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CITARO (Euro VI)/07.2014 GB 1

07.2014 EvoBus GmbH

Not to be reprinted, reproduced or translated in any form without prior permission.

Address for orders:EvoBus GmbHService DocumentationD-89231 Neu-Ulm

Printed in Germany

Order no.: A 628 584 37 96

Introduction

The user information supplied witheach bus is only intended for useby those persons who are qualifiedto operate the bus. The userinformation is split into thefollowing parts:

The Driver's Operating Instructionsare intended to answer all import-ant questions concerning operationof the bus in a concise and clearlyunderstandable manner.

More detailed and complete inform-ation, as well as further informationrelevant to safety, can be found inthe Operating Instructions.

The Maintenance Record serves asa guide to the technical care of thebus. It contains all the informationon maintenance intervals and main-tenance tasks as well as pages forconfirming that the maintenancework has been carried out.

Please make sure that you read the“Safety” section before you use thevehicle for the first time. Before thebus is driven, please make sure that youhave read and understood the contentsof these Operating Instructions.

Items of optional equipment are also de-scribed, if their operation needs explana-tion. The bus delivered to you has beencustomised in accordance with your or-der, therefore some descriptions anddiagrams may differ from the equipmenton your bus.

The Driver's Operating Instructions, theOperating Instructions and MaintenanceRecord are important documents andmust always be carried in the bus.

Our buses are the subject of ongoingdevelopment. You are therefore askedto appreciate that we reserve the rightto make modifications to the design,equipment and technical features. Forthese reasons, no claims can be madebased upon the contents of this userinformation.

Environmental protection:

The declared policy of EvoBus GmbHis one of integrated environmental pro-tection. This policy starts at the rootcauses and encompasses in its manage-ment decisions all the consequences forthe environment which could arise fromproduction processes or the productsthemselves.

The objectives are for the natural re-sources which form the basis of our ex-istence on this planet to be used spar-ingly and in a manner which takes therequirements of both nature and human-ity into account.

You can also help the environment byoperating the bus in an environmentally-friendly manner. Fuel consumption andwear in the drive train (engine, clutch,transmission, axles, brakes, tyres) are ex-tremely dependent on your driving style.

We hope you enjoy driving your bus.

EvoBus GmbH

Mercedes-Benz Omnibusse

Table of contents

Vehicle identification . . . . . . . . . . . 1

Safety . . . . . . . . . . . . . . . . . . . . . . . 3Fire-prevention measures . . . . . . . . . 4General safety information . . . . . . . . 5Operation of auxiliary heating . . . . . . 9

General . . . . . . . . . . . . . . . . . . . . . 11Preparation for the journey - dailytasks . . . . . . . . . . . . . . . . . . . . . . . 12Preparation for the journey - weeklytasks . . . . . . . . . . . . . . . . . . . . . . . 13General bus care and mainten-ance . . . . . . . . . . . . . . . . . . . . . . . 14Care and cleaning . . . . . . . . . . . . . . 14

Operation . . . . . . . . . . . . . . . . . . . 15Running-in guideline . . . . . . . . . . . . 19Starting the engine . . . . . . . . . . . . . 19Driving . . . . . . . . . . . . . . . . . . . . . . 22Stopping the engine . . . . . . . . . . . . 23Towing with a tow bar (rigidbuses) . . . . . . . . . . . . . . . . . . . . . . 23

Towing with a tow bar (articulatedbuses) . . . . . . . . . . . . . . . . . . . . . . 24Towing with the front axle raised(rigid and articulated buses) . . . . . . 25Front towing coupling . . . . . . . . . . . 26Rear towing coupling (option) . . . . . 27Brake system safety precautions . . . 28Charging point for externalcompressed-air source . . . . . . . . . . 29Braking and stopping . . . . . . . . . . . 29Brakes with anti-locking protec-tion . . . . . . . . . . . . . . . . . . . . . . . . 30Operating pressure . . . . . . . . . . . . . 30Operating/malfunction displays:brake system . . . . . . . . . . . . . . . . . 31Electronic Stability Program (ESP)(option) - (system description) . . . . . 33Electronic Stability Program (ESP)function description . . . . . . . . . . . . 34Deactivating the Electronic StabilityProgram (ESP) . . . . . . . . . . . . . . . . 36Activating and deactivating accelera-tion skid control (ASR) . . . . . . . . . . 37Operating/malfunction displays:ABS/ASR . . . . . . . . . . . . . . . . . . . . 38

Disabling retarder activation by brakepedal (option) . . . . . . . . . . . . . . . . . 39Retarder direct (customer specifica-tion) . . . . . . . . . . . . . . . . . . . . . . . 40Refuelling (diesel fuel) . . . . . . . . . . . 41Service products . . . . . . . . . . . . . . 43AdBlue® service product . . . . . . . . 43Winter operation with diesel fuels forbuses with fuel-lubricated injectionsystems . . . . . . . . . . . . . . . . . . . . . 45Low-temperature characteristics ofdiesel fuels . . . . . . . . . . . . . . . . . . 45Diesel fuels available by region . . . . 46Replacing the fuel filter . . . . . . . . . . 46Addition of flow improvers . . . . . . . . 46Measures required in the event ofpre-existing paraffin separation . . . . 47Opening/closing the fuel fillercap . . . . . . . . . . . . . . . . . . . . . . . . 47BlueTec® exhaust gas cleaningsystem . . . . . . . . . . . . . . . . . . . . . 49AdBlue® service product . . . . . . . . 50AdBlue® supply tank installationlocation . . . . . . . . . . . . . . . . . . . . 52Filling with AdBlue® . . . . . . . . . . . . 52Diesel particulate filter . . . . . . . . . . 54

CITARO (Euro VI)/07.2014 GB I

Table of contents

Diesel particulate filter regenera-tion . . . . . . . . . . . . . . . . . . . . . . . . 56Starting regeneration of the dieselparticulate filter manually (parkedregeneration) . . . . . . . . . . . . . . . . . 58Operating/malfunction displays:fuel system/exhaust gas cleaningsystem . . . . . . . . . . . . . . . . . . . . . 60Operating 230/400 V systems(option) . . . . . . . . . . . . . . . . . . . . . 62Function description: accident datarecorder (ADR) (option) . . . . . . . . . . 62Anti-jackknifing protection duringforward travel . . . . . . . . . . . . . . . . . 64Anti-jackknifing protection duringreverse travel . . . . . . . . . . . . . . . . . 65Passenger stop request . . . . . . . . . . 66Ramp request . . . . . . . . . . . . . . . . 67Safety instructions for the operationof mechanically folding/electricramps (options) . . . . . . . . . . . . . . . 68Folding the ramp in/out . . . . . . . . . 69Retracting/extending the electricramp (option) . . . . . . . . . . . . . . . . . 71Opening the hinged window . . . . . . 75Care and cleaning . . . . . . . . . . . . . . 76Tilting a rear seat . . . . . . . . . . . . . . 77

Tilting the seat row on the transmis-sion cover . . . . . . . . . . . . . . . . . . . 78Care and cleaning of covers andupholstery . . . . . . . . . . . . . . . . . . . 79Care/cleaning of fabric covers . . . . 79Malfunction displays: Yellow warninglevel - description . . . . . . . . . . . . . . 81Malfunction display: Red warninglevel . . . . . . . . . . . . . . . . . . . . . . . 82

At a glance . . . . . . . . . . . . . . . . . . 85Overview of vehicle key . . . . . . . . . 86Driver's area overview . . . . . . . . . . . 88Switches on the left section of theinstrument panel . . . . . . . . . . . . . . 89Switches on the right section of theinstrument panel . . . . . . . . . . . . . . 91Driver's area side compartment . . . . 94Instrument cluster . . . . . . . . . . . . . 98MTCO tachograph . . . . . . . . . . . . . 102DTCO tachograph . . . . . . . . . . . . . 104Tachograph . . . . . . . . . . . . . . . . . 105

Tachograph approval seal . . . . . . . 106Location of emergency equip-ment . . . . . . . . . . . . . . . . . . . . . . 106Windscreen washer fluid reservoirinstallation location . . . . . . . . . . . . 108

Driver's area controls . . . . . . . . . 109Rotary light switch . . . . . . . . . . . . 112Left steering column switch: Lightand signal functions . . . . . . . . . . . 113Left steering column switch: Wiperand wash functions . . . . . . . . . . . . 113Combination switch for retarder andcruise control (option) . . . . . . . . . . 114Ignition starter switch . . . . . . . . . . 118Parking brake . . . . . . . . . . . . . . . . 118Master safety switch (emergency-offswitch) . . . . . . . . . . . . . . . . . . . . 119Overview of steering wheel buttonsand display screen . . . . . . . . . . . . 122Display screen . . . . . . . . . . . . . . . 124Display screen (description) . . . . . . 125Permanent displays . . . . . . . . . . . . 126Trailer turn signals . . . . . . . . . . . . 127Overview of main menus andsubmenus . . . . . . . . . . . . . . . . . . 128

II CITARO (Euro VI)/07.2014 GB

Table of contents

Menu structure . . . . . . . . . . . . . . . 129Display screen menu controllogic . . . . . . . . . . . . . . . . . . . . . . 136Event notifications . . . . . . . . . . . . 138Overview of the operating, functionand malfunction display screen . . . 140Instrument cluster “button assign-ment” . . . . . . . . . . . . . . . . . . . . . 146Resetting the trip meter . . . . . . . . 147Trip computer data manualreset . . . . . . . . . . . . . . . . . . . . . . 148HOME button . . . . . . . . . . . . . . . . 149Menu button . . . . . . . . . . . . . . . . 150DIAG button (on-board dia-gnostics) . . . . . . . . . . . . . . . . . . . 150SET button . . . . . . . . . . . . . . . . . . 151Setting the language . . . . . . . . . . . 152Adjusting the volume of the turnsignal buzzer . . . . . . . . . . . . . . . . 154Adjusting the display brightness(daytime brightness) . . . . . . . . . . 155Adjusting the display brightness(night brightness) . . . . . . . . . . . . . 156Right-hand steering wheel but-tons . . . . . . . . . . . . . . . . . . . . . . 158

Left-hand steering wheel but-tons . . . . . . . . . . . . . . . . . . . . . . 160Vehicle manoeuvrability with the airsuspension depressurised . . . . . . . 161Lowering/raising the bus on theboarding side . . . . . . . . . . . . . . . . 162Raising the bus above normallevel . . . . . . . . . . . . . . . . . . . . . . 164Activating/deactivating thepull-away aid . . . . . . . . . . . . . . . . 166Applying the parking brake . . . . . . 167Releasing the parking brake . . . . . 168Emergency braking in the event offailure of both brake circuits . . . . . 169Activating/deactivating the busstop brake . . . . . . . . . . . . . . . . . . 170Drive-off lock . . . . . . . . . . . . . . . . 171Important information on thesteering system . . . . . . . . . . . . . . 172Adjusting the steering wheel . . . . . 173Turning the steering wheel whenthe bus is stationary . . . . . . . . . . . 174Opening/closing the driver'swindow . . . . . . . . . . . . . . . . . . . . 175Switching the mirror and windowheating on and off . . . . . . . . . . . . 176

Driver’s seat/passengerseats . . . . . . . . . . . . . . . . . . . . . 179Important notes on the driver'sseat . . . . . . . . . . . . . . . . . . . . . . 180Grammer MSG 90.5 driver's seatcontrol elements . . . . . . . . . . . . . 182Using the driver's seat belt . . . . . . 184

Transmission shift systems . . . . 185Automatic transmission - gener-al . . . . . . . . . . . . . . . . . . . . . . . . 186Tilting the seat row on the trans-mission cover . . . . . . . . . . . . . . . . 187Selector positions of the 3-pushbutton switch panel . . . . . . . . 188Selector positions of the 6-pushbutton switch panel . . . . . . . . 190

Heating/ventilation/air-condi-tioning . . . . . . . . . . . . . . . . . . . . 193Safety instructions for the air-conditioning system . . . . . . . . . . . 195Operating instructions for the air-conditioning system . . . . . . . . . . . 195

CITARO (Euro VI)/07.2014 GB III

Table of contents

Heating/ventilation/air-conditioningcontrol panel - driver’s area . . . . . . 196Heating/ventilation/air-conditioningcontrol panel - complete bus . . . . . 198Driver's area - setting the airdistribution/demisting the wind-screen . . . . . . . . . . . . . . . . . . . . . 199Driver’s area - adjusting thetemperature . . . . . . . . . . . . . . . . . 200Driver’s area - adjusting the blowerspeed . . . . . . . . . . . . . . . . . . . . . 201Driver's area - cooling . . . . . . . . . . 202Additional driver's area ventilation(option) . . . . . . . . . . . . . . . . . . . . 203Switching air-recirculation mode onand off . . . . . . . . . . . . . . . . . . . . 203Passenger compartment – switchingautomatic temperature regulationon and off - code HH2/HK1 . . . . . 204Passenger compartment – switchingautomatic temperature regulationon and off . . . . . . . . . . . . . . . . . . 205Switching the auxiliary heating onand off . . . . . . . . . . . . . . . . . . . . 206Switching the reheat function onand off . . . . . . . . . . . . . . . . . . . . 208

Passenger-compartment tem-perature - changing the basevalue . . . . . . . . . . . . . . . . . . . . . . 209Opening/closing the roofhatches . . . . . . . . . . . . . . . . . . . . 212Fans on/off . . . . . . . . . . . . . . . . . 215Switching the fans on/off (bus withair-conditioning system) . . . . . . . . 216Auxiliary heating preset timer(option) . . . . . . . . . . . . . . . . . . . . 218Operating the auxiliary heater(option) . . . . . . . . . . . . . . . . . . . . 219Programming the auxiliary heatingpreset times . . . . . . . . . . . . . . . . . 222

Opening/locking . . . . . . . . . . . . . 227Protection against entrapment inthe door opening direction . . . . . . 228Protection against entrapment inthe door closing direction . . . . . . . 228Emergency operation - doors . . . . . 230Forced door closure in an emer-gency . . . . . . . . . . . . . . . . . . . . . 232Opening/closing door 1 from theoutside . . . . . . . . . . . . . . . . . . . . 234

Locking/unlocking door leaves fromthe outside (option) . . . . . . . . . . . 235Locking door 1 with the key(option) . . . . . . . . . . . . . . . . . . . . 236Locking/unlocking the door leavesfrom the inside . . . . . . . . . . . . . . . 236Opening/closing the doors from theinside . . . . . . . . . . . . . . . . . . . . . 237Opening/closing automatic doorsfrom the inside . . . . . . . . . . . . . . . 238Opening/closing automatic doorsfrom the outside . . . . . . . . . . . . . . 240Opening/closing automaticdoors . . . . . . . . . . . . . . . . . . . . . 242Switching between automatic andmanual door operation . . . . . . . . . 245Teaching in the doors in the closingand opening directions . . . . . . . . . 247Pushchair stop request . . . . . . . . . 250

Practical advice . . . . . . . . . . . . . 253Note on maintenance work andunderbody cleaning . . . . . . . . . . . . 256Safety precautions for work carriedout in the engine compartment . . . 256Oil level information (option) . . . . . 257

IV CITARO (Euro VI)/07.2014 GB

Table of contents

Checking the engine oil level,topping up if necessary. . . . . . . . . 259Operating safety and roadworthi-ness . . . . . . . . . . . . . . . . . . . . . . 260Tyre pressure . . . . . . . . . . . . . . . . 261On-screen tyre pressure monitor(option) . . . . . . . . . . . . . . . . . . . . 261Tyre tread . . . . . . . . . . . . . . . . . . 263Tyre condition . . . . . . . . . . . . . . . 263Tyre age . . . . . . . . . . . . . . . . . . . 263Invisible tyre damage . . . . . . . . . . 264Tyre load capacity, top speed oftyres and types of tyres . . . . . . . . 264Retreaded tyres . . . . . . . . . . . . . . 265Cleaning the tyres . . . . . . . . . . . . 265Retightening the wheel nuts . . . . . 265Wheel nut tightening torques . . . . . 266Snow chains . . . . . . . . . . . . . . . . 266Tyre pressures table . . . . . . . . . . . 268Safety measures to be taken inthe event of a flat tyre or a wheelchange . . . . . . . . . . . . . . . . . . . . 270Jacking points . . . . . . . . . . . . . . . 270Jacking points, front . . . . . . . . . . . 272Jacking points, centre (articulatedbuses only) . . . . . . . . . . . . . . . . . 272

Jacking points, rear . . . . . . . . . . . . 273Emergency release of the drive-offlock . . . . . . . . . . . . . . . . . . . . . . . 274Electrical system safety precau-tions . . . . . . . . . . . . . . . . . . . . . . 275General safety precautions forbatteries . . . . . . . . . . . . . . . . . . . 276Safety precautions for handlingbatteries . . . . . . . . . . . . . . . . . . . 276Battery maintenance . . . . . . . . . . . 277Testing the battery . . . . . . . . . . . . 277Recharging the batteries . . . . . . . . 278Working on the electrical systemand electrical fuses . . . . . . . . . . . . 278Measures required for the pre-vention of damage to buses orcomponents during electric weldingwork . . . . . . . . . . . . . . . . . . . . . . 279Switching the on-board powersupply on/off . . . . . . . . . . . . . . . . 280Battery isolating switch (withswitch-off authorisation LED) . . . . . 281Switching the on-board powersupply on/off (articulated bus) . . . 282Switching off the on-board powersupply at the master safetyswitch . . . . . . . . . . . . . . . . . . . . . 283

Jump-starting where vehiclebatteries are mounted side byside . . . . . . . . . . . . . . . . . . . . . . . 284Jump-starting buses equipped witha battery charging socket . . . . . . . 286Opening the emergency exit in theroof . . . . . . . . . . . . . . . . . . . . . . . 287Folding out and folding in head-lamps or bumper corner pieces . . . 289

Technical data . . . . . . . . . . . . . . 291Vehicle data . . . . . . . . . . . . . . . . . 292

Index . . . . . . . . . . . . . . . . . . . . . 294

CITARO (Euro VI)/07.2014 GB V

Table of contents

VI CITARO (Euro VI)/07.2014 GB

Vehicle identification

M00.01-0006-71

The identification plate is located in thefront doorway.

Note:

Precise vehicle identification is a pre-requisite to exact and correct assignmentof “vehicle data”.

M00.01-0011-81

No. Designation Value

1 Vehicle model

2 Headlamp basicsetting

3 EC type-approvalnumber

4 Vehicle manufac-turer

5 Vehicle Identi-fication Number(VIN)


6 Permissible grossweight (country-specific)

7 Permissible grosscombinationweight (country-specific)

8 Permissiblefront axle load(country-specific)

9 Permissible axleload for 2nd axle(country-specific)

10 Permissible axleload for 3rd axle(country-specific)

11 Permissible axleload for 4th axle(country-specific)

12 Permissible tech-nical gross weight


Vehicle identification


13 Permissible tech-nical gross com-bination weight

14 Permissible tech-nical axle load forfront axle

15 Permissible tech-nical axle load for2nd axle

16 Permissible tech-nical axle load for3rd axle

17 Permissible tech-nical axle load for4th axle

M00.00-0614-71

Vehicle identification number (1) is ad-ditionally marked on the skeleton at thefront of the bus. It is accessible via thebumper corner piece on the right-handside.

2 CITARO (Euro VI)/07.2014 GB

Safety

Table of contents

Fire-prevention measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

General safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Operation of auxiliary heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9


Safety

Fire-prevention measures

Fire-prevention measures

Pre-drive measures

Check tyre pressures (daily visualcheck/weekly measurement)

Check that twin tyres are spacedsufficiently apart

On-road measures

Monitor coolant temperature

Post-drive measures

Inform a mechanic/next driver aboutmalfunction, if applicable

Parking the vehicle

Switch the battery isolating switch toOFF.

Danger.

Risk of fire and burns. There is a risk offires and burns due to the high exhausttemperatures and the hot exhaust pipefor the auxiliary heating. For this reason,do not stop or park the bus over ignitablematerials (e.g. grass) when the auxiliaryheating is in operation, has recently beenin operation or has been operated by theinstant heating button/preset timer.

Danger.

Risk of fire and burns. Regeneration ofthe diesel particulate filter is associatedwith very high temperatures. For thisreason, before regeneration is initiatedmanually, make sure that there are noflammable materials near the exhaustpipe and exhaust system.


Safety

General safety information


The use of symbols and theirmeanings

Safety precautions and other importantinformation are highlighted by symbols.

In addition to the instructions providedherein, all generally applicable safety andaccident prevention regulations mustalso be observed, e.g. in Germany, therules and regulations of the institutionsfor statutory accident insurance and pre-vention.

Instructions and information printed onthe packaging for components, tools andservice products must also be observed.

Where information and instructions areto be observed, it is assumed that theuser information is intended for personswho are suitably qualified to carry outthe tasks by nature of their education,training and experience.

These persons should, at the same time,be able to identify risks that may arise inthe undertaking of their tasks and takethe necessary measures to avoid them.

Meaning of symbols:

Note:

Notes about important additional informa-tion

Caution:

Warning notes about damage that mayoccur in the event of non-compliance

Danger.

Warning notes for risks to persons

Environmental protection

Notes about environmental protectionmeasures

Reference to more detailed and addi-tional user information

Notes on vehicle safety

We recommend that you:

Use only genuine parts that areOMNIplus quality tested and con-version parts and accessories thathave been expressly approved byEvoBus for the bus model concernedin order to rule out the possibilityof jeopardising road safety andinvalidating the warranty and generaloperating permit. These parts havebeen specially tested for their safety,reliability and suitability.

You can obtain further information fromany OMNIplus Service Partner.

Operating safety

Important information:

Any work or modifications that havebeen carried out incorrectly on thebus may result in malfunctions.

Tampering with electronic compon-ents and their software may causemalfunctions. As electronic compon-ents are networked, these malfunc-


Safety


tions may also cause other, indir-ectly related systems to malfunction.These malfunctions may jeopardisethe operating safety and reliability ofthe bus.

Retrofitted electrical or electronicdevices must possess type-approvalcomplying with Directive 95/54/ECor ECE Directive 10/02.

Materials that are fitted in the busduring the course of installation, con-version or modification work andthat are subject to mandatory fire-testing requirements must satis-fy the requirements of EU Directive95/28/EC.

Materials and components of seatsand seat fixtures that are also fittedin the bus during the course of in-stallation, conversion or modificationwork must satisfy the requirementsof the following directives: 76/115/EEC as amended by 96/38/EC,74/408/EEC as amended by 96/37/EC, 77/541/EEC as amended by96/36/EC.

At the time of purchase or installa-tion, it must be checked that thesematerials and components have beencertified accordingly. The use of ma-terials or components that have notbeen granted the relevant certificatemay result in the operating permitbeing invalidated.

We recommend that you have workor modifications carried out by anOMNIplus Service Partner.

Stickers

There are various warning stickers af-fixed to your bus. These are intended tomake you and others aware of variousdangers. Therefore, do not remove anywarning stickers unless it is expresslystated on the sticker that you may doso.

Danger.

If you remove warning stickers, this couldresult in you or other persons failing torecognise dangers. You or others couldbe injured as a result.

Data stored in the vehicle

A host of electronic components in yourvehicle contain a data memory. Thesedata memories store information,temporarily or permanently, relating to

Vehicle condition

Events

Faults

These items of technical informationgenerally document the state of acomponent, module, system or theenvironment. These could be, forexample:

Operating states of system compon-ents. These include fill levels, etc.

Status messages relating to thevehicle and its individual compon-ents. These include, for example,


Safety


wheel rotation speed/driving speed,deceleration, lateral acceleration, ac-celerator pedal position.

Malfunctions and defects in import-ant system components. These in-clude lights, brakes, etc.

Responses and operating states ofthe vehicle in specific driving situ-ations. These include, for example,triggering of an airbag, interventionof stability control systems.

Environmental states. These includeoutside temperature, etc.

The data are exclusively technical innature and can be used for

assisting the detection and rectifica-tion of faults and defects,

analysing vehicle functions, e.g. afteran accident,

optimising vehicle functions.

Motion profiles on driven routes cannotbe generated from these data. Wheneveryou arrange for a particular vehicle ser-vice, these items of technical information

can be read out from the event and faultdata memories.

Services include, for example:

Repairs

Customer service processes

Warranty claims

Quality assurance

This read-out is performed by employ-ees in the ServiceNetwork (includingmanufacturers) with the use of specialdiagnostic testers. They enable you toobtain further information as and whennecessary. After faults have been recti-fied, the information in the fault memoryis cleared or continuously overwritten.During use of the vehicle, certain situ-ations could arise in which these tech-nical data could become personal datawhen combined with other information -where applicable under the direction ofan independent expert.

Examples include:

Accident logs

Damage to the vehicle

Witness statements

Other auxiliary functions that arecontractually agreed with the customersimilarly permit the outgoingcommunication of vehicle data from thevehicle. Example:

FleetBoard telematics system

Operation of radio and mobilecommunications equipment

(e.g. telephone, two-way radio, etc.)

Danger.

Please devote your attention primarilyto road and traffic conditions. Do notoperate the display unit, radio or mobilecommunications equipment unless thetraffic situation permits this to be donesafely. Please bear in mind that your buswill cover a distance of 14 metres everysecond at a speed of only 50 km/h.


Safety


Note:

In the Federal Republic of Germany, Sec-tion 23, Paragraph 1a of the Germanroad traffic regulations (StVO) prohib-its a vehicle driver from using a mobilephone or an on-board telephone/intercomif this use involves lifting up or holdingthe mobile phone or the telephone/inter-com handset.

Danger.

Please observe local legal requirementsgoverning the use of mobile phones oron-board telephones/intercoms in force inthe country of vehicle operation.

Operation of mobile phones andtwo-way radios without an exterioraerial

We advise against making or receivingtelephone calls in buses not equippedwith an exterior aerial as the operationof radio transmitters, which include butare not limited to radio telephones (mo-bile phones), may cause inadequately

shielded equipment (cardiac pacemakersincluded) to malfunction.

Note:

If a mobile phone or radio system is ret-rofitted in the bus in a manner that doesnot comply with EvoBus installation spe-cifications, the operating permit for thebus could be invalidated (EU Directive95/54/EC).

Note:

Older peripherals (e.g. ticket-printing ma-chines, ticket-cancelling machines, destin-ation displays, etc.) that are still used innew buses must comply with the technic-al requirements of EC Directive 72/245EEC.

Danger.

Please observe local legal requirementsgoverning the use of mobile phones oron-board telephones/intercoms in force inthe country of vehicle operation.

Washing the outside of the bus inan automatic vehicle wash

Before the bus is washed, make surethat the roof hatches, driver's windowand the doors are closed. Set the heat-ing/ventilation/air-conditioning systemto air-recirculation mode (Smog button).

M88_00-0085-71

Before the bus is washed, fold right-sideexterior mirror (1) inwards towards thewindscreen by means of the hinge pin onthe mirror arm.

After the washing process, fold the ex-terior mirror outwards again.


Safety

Operation of auxiliary heating

M88_00-0081-71

Disengage the left-side mirror from tworetaining springs (2) by yanking the out-side edge of the mirror housing to therear. The mirror can now be pivoted upto a distance of 90 mm from the outsidesurface of the bus. In this position, atensioning spring (3) prevents the mirrorfrom swinging back inadvertently.

After the washing process, bend tension-ing spring (3) slightly by pressing fromthe side, pivot the mirror towards thefront of the bus and engage it in the re-taining springs.

Before the bus is washed, remove at-tachment parts (e.g. roof-mounted satel-lite receivers, exterior aerials, etc.).


Danger.

Risk of fire and burns. There is a risk offires and burns due to the high exhausttemperatures and the hot exhaust pipefor the auxiliary heating. For this reason,do not stop or park the bus over ignitablematerials (e.g. grass) when the auxiliaryheating is in operation, has recently beenin operation or has been operated by theimmediate heating button/preset clock.

Danger.

Risk of poisoning and suffocation. Theauxiliary heating must not be used in en-closed spaces such as garages or work-shops due to the risk of poisoning andsuffocation. It must also not be used intimer or preselection mode.


Safety


Danger.

Risk of explosion. The auxiliary heatingmust be switched off at filling stationsand fuel dispensing systems due to therisk of explosion.

Danger.

Risk of fire. The auxiliary heating mustremain switched off in places where ignit-able vapours or dust can accumulate (e.g.in the vicinity of filling stations, fuel, coal,sawdust and grain stores or similar).

Caution:

The heating unit must be operated for10 minutes at least once a month (alsoduring the warm season) when the engineis cold.


GeneralTable of contents

Preparation for the journey - daily tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Preparation for the journey - weekly tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

General bus care and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Care and cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14


GeneralPreparation for the journey - daily tasks

Preparation for the journey - dailytasksYou will find instructions and notes on

the windscreen washer fluid reservoir inthe “At a glance” section.

Check the windscreen washer fluidlevel and test the windscreen washersystem and windscreen wipers.

Check the fuel level for the engineand auxiliary heating.

Danger.

Switch off the engine and auxiliary heat-ing before refuelling.

Check the AdBlue® additive level inthe BlueTec® exhaust gas cleaningsystem.

Check the electrical system, payingparticular attention to the headlamps,turn signals, tail lamps, brake lampsand licence plate lamps.

Note:

Under certain weather and operating con-ditions, moisture may form on the insideof the headlamps and other lights whenthe bus is stationary. This does not in-dicate a fault or defect. The ventilationopenings in the headlamps allow thismoisture to evaporate after the bus hasbeen driven for a short time.

Check the service covers for securelocking.

Check the emergency exits.

Insert the tachograph recording discor the driver card.

Note:

If the indicator lamp in the tachograph islit, no disc or driver card has been inser-ted.

Check that the emergency equip-ment is accessible and complete, e.g.first-aid kit, fire extinguisher, warningtriangle, emergency hammer for sidewindows, jack.

Check the adjustment of the interiorand exterior rear-view mirrors, cleanthe mirrors, check the mirror heatingfor correct function.

Check tyre pressures and tyre con-dition. Check wheel nuts and wheeltrim discs for firm seating.

M40_00-0115-71

Check wheel hubs (1) on all wheelsfor leaks inside and out (visualcheck).


GeneralPreparation for the journey - weekly tasks

Note:

If the wheel hubs are leaking, there maybe grease or oil residue on the tyresthemselves or deposits on the parkingarea on which the bus is standing. Con-sult an OMNIplus Service Partner in theevent of a leak.

Preparation for the journey - weeklytasksOil level in the hydraulic steering sys-

tem, belt tension, drain fuel filter, referto maintenance information.

Check the oil level in the hydraulicsteering system.

Caution:

If the oil level is low, have the steeringsystem checked at an authorised special-ist workshop.

Check the belt tension of all beltdrives.

Carry out a visual check to ensurethere are no leaks in the engine,transmission, driven axle, steeringor the cooling and heating systems.

Check the acid level in the starterbatteries.

Danger.

Observe the safety precautions in the“Practical advice” section.


GeneralGeneral bus care and maintenance

General bus care and maintenanceCarry out the work specified in theMaintenance Record.

Danger.

Risk of accident. Maintenance tasks mustbe carried out on the chassis and drivetrain at regular intervals to maintain theoperating safety and roadworthiness ofthe bus. The time intervals and the scopeof the required tasks are specified in theMaintenance Record.

Caution:

It is strongly recommended that the spe-cified maintenance intervals be observed.

Note:

Warranty claims may be rejected if theperiodic maintenance tasks have not beencarried out at the specified distances(odometer reading) or times. Have con-firmation of the completed work recor-ded in the Maintenance Record by anOMNIplus Service Partner.

Care and cleaning

You will find further instructions andnotes on caring for and cleaning yourbus in the “Operation” section.

Note:

The following stipulations for exteriorcleaning must be observed: Use a suffi-cient amount of fresh water. Dry rubbingbetween washing brushes and the vehiclemust not be allowed to occur. Precleanheavily soiled components. The polishingof lighting equipment with commerciallyavailable care products is not permitted.The use of polyethylene fibres as a brushmaterial is not permitted. Recommenda-tion: Use brushes made with textile fibresor foam.


Operation

Table of contents

Running-in guideline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Starting the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Stopping the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Towing with a tow bar (rigid buses) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Towing with a tow bar (articulated buses) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Towing with the front axle raised (rigid and articulated buses) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Front towing coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Rear towing coupling (option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Brake system safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Charging point for external compressed-air source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Braking and stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Brakes with anti-locking protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Operating pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Operating/malfunction displays: brake system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Electronic Stability Program (ESP) (option) - (system description) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33


Operation

Table of contents

Electronic Stability Program (ESP) function description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Deactivating the Electronic Stability Program (ESP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Activating and deactivating acceleration skid control (ASR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Operating/malfunction displays: ABS/ASR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Disabling retarder activation by brake pedal (option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Retarder direct (customer specification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Refuelling (diesel fuel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Service products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

AdBlue® service product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Winter operation with diesel fuels for buses with fuel-lubricated injection systems . . . . . . . . . . . . . . . . . . . 45

Low-temperature characteristics of diesel fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Diesel fuels available by region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Replacing the fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Addition of flow improvers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Measures required in the event of pre-existing paraffin separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Opening/closing the fuel filler cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47


Operation

Table of contents

BlueTec® exhaust gas cleaning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

AdBlue® service product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

AdBlue® supply tank installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Filling with AdBlue® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Diesel particulate filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Diesel particulate filter regeneration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Starting regeneration of the diesel particulate filter manually (parked regeneration) . . . . . . . . . . . . . . . . . . . 58

Operating/malfunction displays: fuel system/exhaust gas cleaning system . . . . . . . . . . . . . . . . . . . . . . . . . 60

Operating 230/400 V systems (option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Function description: accident data recorder (ADR) (option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Anti-jackknifing protection during forward travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Anti-jackknifing protection during reverse travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Passenger stop request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Ramp request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Safety instructions for the operation of mechanically folding/electric ramps (options) . . . . . . . . . . . . . . . . . 68

Folding the ramp in/out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69


Operation

Table of contents

Retracting/extending the electric ramp (option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Opening the hinged window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Care and cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Tilting a rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Tilting the seat row on the transmission cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Care and cleaning of covers and upholstery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Care/cleaning of fabric covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Malfunction displays: Yellow warning level - description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Malfunction display: Red warning level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82


Operation

Running-in guideline

Running-in guideline

Running in the chassis and drivetrain.

Note:

The way in which the chassis and drivetrain of the new bus are treated duringthe first 3,000 miles (5,000 km) is criticalto the future performance and service lifeof the bus.

Note:

During the first 3,000 miles (5,000 km),the load to which the bus is subjectedshould be increased only gradually. Themaintenance and lubrication tasks spe-cified in the Maintenance Record shouldbe carried out conscientiously.

Caution:

Do not place the engine under full loadduring the first 3,000 miles (5,000 km).Up to 1,200 miles (2,000 km): run inwith care. Do not drive at any more than3/4 of the maximum engine speed foreach gear. After 1,200 miles (2,000 km):slowly increase to the economic rpm ineach gear. During the first 3,000 miles(5,000 km), do not drive the bus for longdistances at a constant road speed orengine speed. Varying engine speeds andtherefore varying loads demanded of thedrive train are favourable to the running-inof the bus.

Starting the engine

Note:

Precondition: Parking brake applied,transmission in neutral.

Note:

At outside temperatures of below -20 °C,preheat the engine using the auxiliaryheating (refer to “Heating/ventilation/air-conditioning control panel”).


Operation

Starting the engine

M54.00-2270-71

Turn the key to drive position (2).M54.00-2307-71

Operating displays are displayed oneafter the other during initialisation ofelectrical systems.

Note:

Before you start the engine, wait until theelectrical systems have been initialisedand the “Bus stop” indication display ap-pears on the screen.

M54.00-2372-71

Note:

The engine cannot be started with the en-gine flap open; yellow alert (1) appears onthe display screen and “Pop-up window”(2) is displayed.

Turn the key to starting position (3).Do not depress the accelerator ped-al. Release the key as soon as theengine starts.


Operation

Starting the engine

Note:

If the engine does not start, interrupt thestarting procedure after a maximum of15 seconds, wait approximately 1 minute,and try again. Turn the key back to itsinitial position (0) before the next startingattempt. Introduce a pause (approxim-ately 15 minutes) after three starting at-tempts. Release the key after the enginestarts. Observe the indicator lamps imme-diately after the engine has started. If nomalfunction is indicated, it is possible topull away.

Danger.

Never lock the steering while the bus isin motion. Whenever you disembark, evenfor a short time, always remove the keyso that the bus cannot be started by chil-dren or other unauthorised persons.

Caution:

If the “Oil pressure too low” symbol isdisplayed on the display screen, switchoff the engine immediately and determinethe cause.

Caution:

If the “No oil pressure” symbol is dis-played on the display screen, switch offthe engine immediately and determine thecause.


Never warm up the engine by allowing itto idle with the bus stationary. Instead,drive off and operate the engine at mod-erate engine speeds.

Note:

The engine should not be placed underfull load until it has reached normal op-erating temperature (75 °C to 90 °C de-pending on operating conditions and theoutside temperature).


Operation

Driving

Driving

Danger.

All doors must be unlocked before thebus is driven off.

Danger.

The freedom of movement of the ped-als must not be restricted. The operat-ing safety and roadworthiness of the buswould otherwise be at risk. Objects couldfall and get caught between the pedals ifyou were to accelerate or brake suddenly,with the result that you would no longerbe able to brake or accelerate. You couldcause an accident and endanger yourselfand others.

Check the freedom of movement ofthe pedals.

Danger.

Where floormats and carpets are fitted,make sure that these are safely securedagainst slipping and that the pedals havesufficient clearance.

Danger.

Do not stow any objects in the driver'sfootwell.

Danger.

Stow and secure all loose objects insuch a way that they cannot get intothe driver's footwell when the bus is inmotion.

Keep an eye on the rev counter whiledriving.

Note:

Keep within the economical operatingrange. Make sure that the engine speeddoes not enter the danger zone (redzone).

Danger.

Test the service brake immediately afterpulling away.


Operation

Stopping the engine

Stopping the engine

M54.00-2271-71

Stop the bus, shift transmission toneutral, apply parking brake. Turnthe ignition starter switch from posi-tion (2) back to position 1.

Danger.

There is a risk of fire and burns due tothe high exhaust temperatures and thehot exhaust pipe for the auxiliary heating.For this reason, avoid parking the buswhere ignitable material (e.g. dry grass,leaves, etc.) is in close proximity to theexhaust system, engine and auxiliary heat-ing exhaust system.

Note:

To avoid engine damage, do not underany circumstances switch the engine offimmediately after a long period of driv-ing under full load (elevated coolant tem-perature, e.g. after hill climbing). Leavethe engine running at idling speed for ap-proximately 1 to 2 minutes to allow theexhaust gas turbocharger to cool down.

Towing with a tow bar (rigid buses)

Danger.

Only authorised specialists (recovery ser-vices) are permitted to tow away broken-down buses. The rules and regulations inthe country concerned must be observed.

Caution:

Special measures are required in orderto protect the transmission if the bus isto be towed: For safety reasons the pro-peller shaft must always be removed. Thepropeller shaft securing screws at theaxle flange must be removed and thoseat the transmission flange secured againstdisplacement.


Operation

Towing with a tow bar (articulated buses)

Danger.

The ignition starter switch of the vehiclebeing towed must always remain in po-sition 2 during the towing procedure.The steering lock must not be allowedto engage. Failure to comply with thisguideline could result in the steering lock-ing. Safety-relevant functions would nolonger be operational.

Note:

The front flap must remain closed for theduration of the towing procedure.

Note:

The towing coupling is suitable only fortowing vehicles having a gross weight ofno more than 18 tonnes.

Note:

The towing coupling must not be used fortowing trailers.

Towing with a tow bar (articulatedbuses)

Danger.


Caution:



Operation

Towing with the front axle raised (rigid and articulated buses)

Danger.

The ignition starter switch of the vehiclebeing towed must always remain in po-sition 2 during the towing procedure.The steering lock must not be allowedto engage. Failure to comply with thisguideline could result in the steering lock-ing. Safety-relevant functions would nolonger be operational.

Note:

The front flap must remain closed for theduration of the towing procedure.

Note:

The towing coupling is suitable only fortowing vehicles having a gross weight ofno more than 18 tonnes.

Note:

The towing coupling must not be used fortowing trailers.

Towing with the front axle raised(rigid and articulated buses)

Danger.


Caution:


Danger.

The ignition starter switch must not beswitched to position 1 or 2 while thefront axle is raised. The wheels on thedriven axle may lock. Disregard for thiswarning could result in brake intervention


Operation

Front towing coupling

by ABS/ASR, which could cause the rearaxle to skid. Articulated buses: Abovea speed of 12 km/h, this could happeneven sooner, whether during straight-ahead travel or with the articulation atan angle. In addition, the bus stop brakewould be activated by the articulationangle control unit.

Caution:

Articulated buses: With the ignitionstarter switch in position 0, articulationprotection is in emergency dampingmode. Articulation protection and vehiclestabilisation functions are extremelylimited in this mode.

Front towing coupling

M88.00-0100-71

Grasp handle recesses (2) with bothhands and open front flap (1).

M00_00-0338-71

Move the levers on both flap locks(1) to the left (when viewed in thedirection of travel) to release thelower section of the front flap.

The lower section of the front flapfolds down.

Note:

A retention strap prevents the lower sec-tion of the front flap from folding downcompletely.


Operation

Rear towing coupling (option)

M88_00-0060-01

Lift locking tab (6) slightly and turnthe linchpin clockwise by handle (5)until it is released.

Pull the linchpin up and out of thetowing coupling.

Fit the eyelet of the tow bar into thetowing coupling.

Fit the linchpin into the towing coup-ling and eyelet of the tow bar.

Turn the linchpin anti-clockwise byhandle (5) until locking tab (6) en-gages.

Note:

The linchpin must remain engaged in lock-ing tab (6) at all times.

Close the front flap.

Rear towing coupling (option)

Remove the linchpin from the fronttowing coupling.

Note:

The rear towing coupling is optionalequipment and has no linchpin.

M00_00-0492-71

Remove cover (1).

Fit the eyelet of the tow bar into thetowing coupling.


Operation

Brake system safety precautions

M88_00-0061-01

Fit linchpin (5) into the towing coup-ling and eyelet of the tow bar.

Turn linchpin (5) anti-clockwise bythe handle until locking tab (6) en-gages.

Note:

Linchpin (5) must remain engaged in lock-ing tab (6) at all times.

M88_00-0060-01

At the end of towing, lift lockingtab (6) slightly and turn the linch-pin clockwise by handle (5) until it isreleased.

Refit the linchpin into the front tow-ing coupling and secure it.

Brake system safety precautions

Caution:

The braking characteristics of the busmay change if a yellow warning level mal-function in the brake system appears onthe instrument cluster display screen. Ad-opt a particularly cautious driving style.Have the malfunction rectified as soon aspossible by an OMNIplus Service Partner.

Danger.

The braking characteristics of the bushave changed if a red warning level mal-function in the brake system is displayed.Pedal travel may increase under brak-ing. ABS has been disabled. Stop the busimmediately and disable it (traffic condi-tions permitting). Have the malfunctionrectified by an OMNIplus Service Partnerimmediately.


Operation

Charging point for external compressed-air source

Charging point for externalcompressed-air source

M42.00-0855-71

Charging point (1) for an externalcompressed-air source is located behindthe front flap on the right-hand side(example).

Note:

The minimum and maximum pressuresto be observed will differ, depending onthe variant of external source concerned.Cleaned and dried air may also be re-quired, depending on the variant used.

Caution:

Disregard for these notes could result indamage to the compressed-air system.

Note:

You can obtain further information fromany EvoBus Service Partner

Braking and stopping

Whenever the bus is driven for longdistances downhill, you should makeuse of the braking effect of the en-gine by shifting into a lower gearrange. To relieve the service brakeof load, use the integrated retarder inaccordance with the manufacturer'soperating instructions.

Note:

Except for emergencies, the service brakedoes not usually need to be appliedsharply.

Danger.

Always apply the parking brake beforeyou leave the driver's area. On steep up-hill and downhill gradients, you shouldalso chock the wheels and turn the steer-ing towards the kerb.


Operation

Brakes with anti-locking protection

Brakes with anti-locking protection

In a hazardous situation, the brakepedal should be depressed fully. Thisensures that all wheels are brakedwith ABS assistance and optimumdeceleration is achieved.

Note:

The retarder is deactivated automaticallyfor the duration of an ABS control inter-vention.

Danger.

The anti-locking protection of ABS doesnot relieve the driver of the responsib-ility for adopting a driving style whichtakes traffic and road conditions into ac-count. While the directional stability andsteerability of the bus are improved underbraking, ABS is not able to avert the con-sequences of, for example, driving at anunsafe distance behind a vehicle in frontor driving too fast through bends.

Danger.

If the bus is towing a trailer that does nothave ABS, this trailer could be overbrakedif the brakes were applied with maximumforce. In this case, the driver must keepan eye on the trailer in the rear-view mir-ror. The bus equipped with ABS remainssteerable, thereby enabling the driver tokeep it stable.

Operating pressure

Note:

Precondition: Operating pressure at least6.8 bar in circuit 1 and circuit 2, and atleast 5.5 bar in circuit 3 auxiliary con-sumers circuit

Danger.

Risk of accident. To ensure maximumoperating safety and reliability, a supplypressure of at least 6.8 and 5.5 bar isrequired in the individual compressed-aircircuits. A leaking compressed-air brakesystem jeopardises the operating safetyand roadworthiness of the bus. Stop im-mediately (traffic conditions permitting)if the supply pressure in the brake sys-tem is too low. Have the brake systemchecked at an OMNIplus Service Partner.


Operation

Operating/malfunction displays: brake system

M54.00-2361-71

Select the monitoring menu, operat-ing pressure submenu.

The following appears on the displayscreen: Present “supply pressure”in brake circuits 1 and 2 (max. 12.0bar) and circuit 3 auxiliary consumers(max. 9.0 bar).

Operating/malfunction displays:brake system

“Parking brake applied” indicationdisplay (A)

M54.00-2334-71

Bus stop brake/drive-off lockmalfunction

If this symbol is displayed, either the busstop brake is defective or the emergencyrelease switch of the bus stop brake hasbeen operated.


Operation

Operating/malfunction displays: brake system

“Brake circuits 1 and 2 supplypressure” indication display

M54.00-2363-71

Screen display: Present “supply pres-sure” in brake circuits 1 and 2 too low.

Note:

Red warning level.

“Supply pressure in auxiliaryconsumers circuit 3” indicationdisplay

M54.00-2362-71

Screen display: Present “supply pres-sure” in auxiliary consumers circuit 3 toolow.

Note:

Yellow warning level.

Brake pad wear

An overly worn brake pad is indicated onthe display screen by a service notifica-tion and a yellow warning level malfunc-tion alert.

Danger.

The braking characteristics of the busmay change if a yellow warning levelmalfunction relating to brake system isshown on the display screen. Adopt aparticularly cautious driving style. Havethe malfunction rectified as soon as pos-sible by an OMNIplus Service Partner.


Operation

Electronic Stability Program (ESP) (option) - (system description)

Electronic Stability Program (ESP)(option) - (system description)

Dynamic handling control (FDR) acts toprevent the bus from skidding or tilting(subject to the laws of physics), regard-less of vehicle load and road surfaceconditions, and particularly in criticaldriving situations (e.g. sudden evasivemanoeuvre or high cornering speed).This is achieved by selective braking ofindividual wheels or, where necessary, allwheels. The Electronic Stability ProgramESP is a combination of dynamic hand-ling control FDR and acceleration skidcontrol ASR. ESP remains operationaleven when the service brake is appliedor a continuous brake is active.

Danger.

RISK OF ACCIDENT. The Electronic Sta-bility Program (ESP) does not relieve thedriver of the responsibility for adopting adriving style which takes traffic and roadconditions into account. The ability ofESP to restabilise the bus is subject tothe laws of physics. The bus may skid

out of control if the Electronic StabilityProgram (ESP) has been deactivated andthe drive wheels start to spin.

Note:

In wintry conditions, optimum perform-ance of the Electronic Stability Program(ESP) cannot be achieved unless wintertyres (M+S) are fitted.

M54.00-2249-82

Note:

It is recommended that the ElectronicStability Program (ESP) be deactivatedusing ESP OFF pushbutton (1) if tractionproblems are experienced when drivingwith snow chains fitted or over loose sur-faces (e.g. sand or gravel).


Operation

Electronic Stability Program (ESP) function description

Electronic Stability Program (ESP)function description

Functions:


Initialisation phase

Handling in the event of understeer-ing

Handling in the event of oversteering


M54.00-2375-71

If ESP detects a critical driving situation,automatic control interventions stabilisethe bus by:

– reducing engine power output

– selectively braking individual wheels

– applying the brakes at all wheels

Note:

Indicator lamp (1) flashes while the Elec-tronic Stability Program (ESP) is interven-ing.

Note:

Dynamic handling control (FDR) is activeonly at speeds of over 10 km/h. Dynam-ic handling control (FDR) is deactivatedwhenever reverse gear is selected.

Note:

The Electronic Stability Program (ESP) isdeactivated automatically in the event ofan ESP malfunction or a technically re-lated malfunction in the Electronic BrakeSystem.


Operation

Electronic Stability Program (ESP) function description

Initialisation phase

M54.00-2375-71

Whenever the ignition starter switch isswitched to ON, the Electronic StabilityProgram (ESP) undergoes an initialisa-tion process that lasts until the first fewmetres have been driven and the sensorsare checked for correct function. Dy-namic handling control (FDR) is not yetfunctional during the initialisation phase,although acceleration skid control (ASR)is operational. If the system determinesthat correct operation is guaranteed, ini-tialisation is completed and the systemis ready for operation. Indicator lamp (1)

lights up for the duration of the initialisa-tion phase.

Handling in the event ofundersteering

M42_25_0003_01

The front axle of the bus deviates fromsteered course (1) towards the offsideof the road (2). Selective braking of therear wheel on the nearside (3) restabil-ises the bus.

Note:

The illustration shows a 2-axle bus asan example. In the case of 3-axle busesequipped with RAS, the 3rd axle is regu-lated separately as necessary.

Handling in the event ofoversteering

M42_25_0002_01

The bus breaks out at the rear axle. Thebus deviates from steered course (4) andturns towards the near side of the road(5). Selective braking of the front wheelon the offside (6) restabilises the bus.


Operation

Deactivating the Electronic Stability Program (ESP)

Note:

The illustration shows a 2-axle bus asan example. In the case of 3-axle busesequipped with RAS, the 3rd axle is regu-lated separately as necessary.

Deactivating the Electronic StabilityProgram (ESP)

M54.00-2249-82

Press ESP OFF pushbutton (1).

Note:

Pressing “ESP OFF” pushbutton (1) againor switching the ignition starter switchto OFF and back to ON reactivates theElectronic Stability Program (ESP).

Danger.

RISK OF ACCIDENT. The bus may skidout of control if the Electronic StabilityProgram (ESP) has been deactivated andthe drive wheels start to spin.

Note:

It is recommended that the ElectronicStability Program (ESP) be deactivatedusing ESP OFF pushbutton (1) if tractionproblems are experienced when drivingwith snow chains fitted or over loose sur-faces (e.g. sand or gravel).


Operation

Activating and deactivating acceleration skid control (ASR)

M54.00-2374-76

Dynamic handling control (FDR) andacceleration skid control (ASR) aredisabled. Indicator lamp (18) lightsup permanently.

Activating and deactivating acceler-ation skid control (ASR)

Note:

If traction problems are experienced whendriving with snow chains fitted or onloose surfaces (e.g. sand and gravel):Deactivate acceleration skid control.

M54.00-2286-71

Press pushbutton (1) with the ignitionstarter switch switched on in position2.

Danger.

The bus may skid out of control if ASRhas been switched off and the drivewheels start to spin.

Pressing pushbutton (1) again orswitching the ignition starter switchto OFF and back to ON reactivatesacceleration skid control.


Operation

Operating/malfunction displays: ABS/ASR

Operating/malfunction displays:ABS/ASR

ABS/ASR malfunction

In the event of an ABS/ASR failure ormalfunction, a red or yellow warninglevel malfunction, depending on faultseverity, is displayed on the displayscreen.

Note:

If a yellow warning level malfunction isdisplayed after the ignition has beenswitched on, release the parking brakeand depress the brake pedal fully for 2seconds. If the fault alert continues to bedisplayed, pull away and continue to mon-itor the display. If the fault alert is stillpresent even after you have pulled away,it is necessary to visit a workshop.

Danger.

The wheels could lock, especially on aslippery surface - risk of skidding.

Danger.

The braking characteristics of the busmay change if a yellow warning levelmalfunction relating to brake system isshown on the display screen. Adopt aparticularly cautious driving style. Havethe malfunction rectified as soon as pos-sible by an OMNIplus Service Partner.

Danger.

The braking characteristics of the bushave changed if a red warning levelmalfunction is displayed on the displayscreen. Pedal travel may increase underbraking. ABS has been disabled. Stopthe bus immediately and disable it(traffic conditions permitting). Have themalfunction rectified by an OMNIplusService Partner immediately.

Acceleration skid control (ASR)active

ASR is activated automatically if thedrive wheels on one or both sides startto spin. An active ASR intervention isindicated by this icon in the Drivingoperating display menu on the displayscreen. If the drive wheels on one sidestart to spin, they will be braked auto-matically. - If the drive wheels on bothsides start to spin, engine power outputwill be reduced automatically.

Danger.

Risk of accident. Acceleration skid con-trol does not relieve the driver of the re-sponsibility for adopting a driving stylewhich takes traffic and road conditionsinto account.


Operation

Disabling retarder activation by brake pedal (option)

Deactivating acceleration skidcontrol (ASR)

Acceleration skid control can be deactiv-ated using “ASR OFF” pushbutton (1).

Note:

This icon appears on the display screen.

Danger.

Risk of accident. The bus could skid ifASR has been switched off and the drivewheels start to spin.

Disabling retarder activation bybrake pedal (option)

Note:

This switch is for use mainly in wintryroad conditions so that the driver canmoderate the braking effect more effect-ively.

Note:

Disabling the retarder results in increasedwear of the brake pads.

M54.00-2253-82

Press the lower section of switch (1).

Note:

The retarder is now decoupled from theservice brake and is no longer operatedwhen the brake pedal is depressed.


Operation

Retarder direct (customer specification)

Press the upper section of switch (1).

Note:

The retarder is coupled with the servicebrake again and is operated when thebrake pedal is depressed.

Depress the brake pedal.

The following appears on the displayscreen: “Retarder active”.

Release the brake pedal.

The “Retarder active” indication dis-play on the display screen goes out.

Retarder direct (customer specifica-tion)

Danger.

Risk of accident. To protect the retarderfrom overheating during continuous op-eration, the retarder's braking effect isreduced automatically as a function ofthe operating temperature. Adjust yourdriving style, particularly on long downhillgradients. Do not activate the retarderwhen the road is slippery as the wheelsmay lock (risk of skidding).

Note:

Use of this function increases fuel con-sumption.

M54.00-1780-71

Press down switch (2).

The retarder is ready for operation.

Fully release the accelerator pedal.

The bus is braked directly by themaximum retarder stage.

The following appears on the displayscreen: “Retarder active”.


Operation

Refuelling (diesel fuel)

Note:

With switch (2) pressed down, it is ne-cessary to release the accelerator pedalcompletely to permit braking with the re-tarder.

Depress the accelerator pedal.

Braking of the bus by the maximumretarder stage is interrupted.

Note:

Whenever the accelerator pedal is oper-ated, retarder braking will be interrup-ted until the accelerator pedal is fully re-leased again.

The “Retarder active” indication dis-play on the display screen goes out.

M54.00-1780-71

Press the upper section of switch (2).

Braking of the bus by the maximumretarder stage is disabled.


The vehicle has a two-tank system fittedto the front of the front axle. The fueltanks are interconnected through theirbases by a fuel line. The bus can berefuelled from either side. If the fueltanks on your bus are interconnected, itis necessary to remove the fuel cap fromeach of the fuel tanks.

The addition of flow improvers is notpermitted.

Switch off the engine and auxiliary heat-ing before refuelling. Turn the ignitionstarter switch back to position 0. Parkthe bus on a level surface.

Cleanliness is of utmost importancewhen refuelling. Do not leave cottonrags or cloths in the vicinity of the openfiller neck.

Close the fuel tank properly once fillingis complete.


Operation


Caution:

Refuel using only commercially available,sulphur-free diesel fuel complying withEuropean standard EN 590 as revisedfrom 2010 onwards (max. 0.001 % sul-phur by weight). Fuels containing morethan 0.001 % sulphur by weight or othertypes of fuel such as marine diesel fuel,heating oils or fatty acid methyl esterFAME (biodiesel fuel) are not permitted.These types of fuel would cause irrevers-ible damage to the engine and BlueTec®6exhaust gas aftertreatment system andconsiderably reduce expected service life.

Danger.

Risk of injury and explosion. Fuel ishighly flammable. Fire, naked flames andsmoking are therefore prohibited whenfuel is being handled.

Danger.

Before refuelling, switch off the auxiliaryheating to prevent fuel vapours from ig-niting on the auxiliary heating exhaustsystem.

Danger.

Fuel is toxic and harmful to health. Forthis reason, make sure that the fuel doesnot come into contact with skin, eyesor clothing, that you do not inhale fuelvapours and that children are kept awayfrom the fuel.

Danger.

If you or others have come into contactwith fuel: In case of contact with theeyes, rinse them immediately and copi-ously with clean water and seek medicalattention. Clean affected areas of skinimmediately with soap and water. Imme-diately change out of clothing that hascome into contact with fuel. If fuel has

been swallowed, seek medical attentionimmediately.


If handled improperly, fuels constitute ahazard to health and the environment.Fuels must not be allowed to enter thesewerage system, surface water, ground-water or soil.


Operation

Service products

Service products

Service products are: fuels, lubricants(e.g. engine oils, transmission oils,greases), coolants, brake fluids, etc.

Structural parts and service productsmust be matched to each other. Forthis reason, only brands that have beenapproved by EvoBus are permitted to beused. These are stipulated in the EvoBusSpecifications for Service Products.

Danger.

Risk of injury. Service products are harm-ful to health. Seek medical attention im-mediately if a service product has beenswallowed. Avoid inhaling fumes wherepossible. Do not allow service productsto come into contact with skin, eyes orclothing. Clean all affected areas of skinwith water and soap. In case of contactwith the eyes, rinse the eyes thoroughlywith clean water. Change out of contam-inated clothing immediately. Keep serviceproducts away from children.


Incorrect handling of service productsmay endanger human life and the envir-onment. Service products must not beallowed to enter the sewerage system,surface water, ground water or soil. Dis-pose of service products and containersand components that have come into con-tact with service products (e.g. filters) inan environmentally responsible manner.Comply with legal requirements.

AdBlue® service product

AdBlue® is a non-flammable, non-tox-ic, colourless, odourless, water-solubleliquid.

Caution:

Use only AdBlue® complying with DIN 70070. Special additives are not permitted.

Caution:

If, during a top-up, AdBlue® comes intocontact with painted or aluminium sur-faces, rinse down these surfaces with wa-ter immediately.

Properties of AdBlue® at high temperat-ures

Note:

Ammonia vapours may be produced if thecontent of the AdBlue® tank is heated toover 50 °C for a lengthy period (e.g. as aconsequence of direct sunlight).


Operation


Note:

Ammonia vapours have an acrid odour.For this reason, you should avoid inhalingany ammonia vapours that may escapewhen you remove the AdBlue® filler cap.Ammonia vapours are neither toxic norhazardous to health in this concentration.

Storage

Caution:

For the storage of AdBlue®, use only con-tainers made from plastic, high-alloy CrNisteels or MoCrNi steels complying withDIN EN10088-1/2/3. Containers madeof aluminium, copper, cupriferous alloysand non-alloyed or galvanised steels arenot suitable for the storage of AdBlue®.If stored in such containers, AdBlue®could dissolve out constituents of thesemetals and destroy the exhaust gas clean-ing system. The vehicle warranty will beinvalidated if damage to the exhaust gascleaning system is found to have beencaused by constituents dissolved out ofnon-approved storage containers.

Properties of AdBlue® at low temperat-ures

Note:

AdBlue® freezes at a temperature of ap-proximately -11 °C. The bus is equippedwith an AdBlue® preheating system asstandard. Winter operation is thus en-sured, even at temperatures below -11°C.

Disposal of AdBlue®


Observe country-specific legislation andrequirements governing the disposal ofAdBlue®.

AdBlue® additives

Caution:

Do not add any additives to AdBlue®.Do not dilute AdBlue® with tap water.Doing so could destroy the exhaust gascleaning system. Damage to the exhaustgas cleaning system caused by additivesor tap water will invalidate the warranty.

AdBlue® purity

Note:

It is prohibited to return to the tank anyAdBlue® that has been pumped out, e.g.during a repair, because the purity of theliquid would no longer be guaranteed.


Operation

Winter operation with diesel fuels for buses with fuel-lubricated injection systems

Winter operation with diesel fuelsfor buses with fuel-lubricatedinjection systems

WARNINGS:

Danger.

Risk of fire and explosion. Petrol mustnever be mixed with diesel fuel.

Danger.

Risk of fire and explosion. If paraffin hasalready separated and this has causedoperational malfunctions, do not underany circumstances heat components usingsources of heat, e.g. heaters, heat radiat-ors, hot air blowers or blow torches. Riskof damage to components. Risk of fuelescaping.

Note:

Please observe the further notes in thetext.

Further notes on winter operation withdiesel fuel can be found on Mercedes-Benz Specifications for Service Productssheet 137.0.

Low-temperature characteristics ofdiesel fuels

At subzero outside temperatures, thefilterability or fluidity (low-temperaturecharacteristics) of diesel fuel could de-teriorate as a consequence of paraffincrystal separation.

On average, the temperature values forfilterability (low-temperature character-istics) of diesel fuel are 0 °C in the sum-mer, -20 °C in winter and -10 °C in thetransition period. During particularly coldspells or if diesel fuel with inadequatelow-temperature behaviour is used for re-fuelling, there is a risk of malfunctionsoccurring if no precautions are taken toprevent paraffin separation.


Operation

Diesel fuels available by region

Diesel fuels available by region

If a cold spell is encountered when driv-ing from warmer to colder regions, it isessential to change over immediately tothe diesel fuel conventionally used in theregion.

Replacing the fuel filter

With the use of diesel fuels having a highwater content, the fuel filter should bereplaced with a new one before the on-set of winter. This is a precautionarymeasure to prevent the fuel filter fromicing up.

For fuel filter instructions, refer tomaintenance information.

Addition of flow improvers

In the case of winter-grade diesel fuelswith an operating reliability of -20 °Cand below, the addition of a flow im-prover does not promote any furtherimprovement in low-temperature charac-teristics because these fuels are alreadysaturated with flow improvers.

The following must be taken into accountwhen flow improvers are used:

Summer diesel fuel: should be addedwhen the fuel temperature is at least+8 °C.

Winter diesel fuel: should be addedwhen the fuel temperature is at least0 °C.

Since diesel fuels vary in their prop-erties, it cannot be guaranteed thatevery diesel fuel will react positivelyto the addition of flow improvers. Inthe case of particularly cold-resist-ant winter-grade diesel fuels, therecould even be a deterioration in low-temperature characteristics. The sub-sequent addition of flow improvers isnot recommended in this instance.


Operation

Measures required in the event of pre-existing paraffin separation

Measures required in the event ofpre-existing paraffin separation

The addition of flow improvers has no ef-fect if paraffin separation has already oc-curred. Paraffin separation must first bereversed to remedy the situation. This isachieved by heating the entire fuel sys-tem.

The fuel system should be heated byparking the bus in a heated indoor facil-ity for a long period. The covers, of theengine compartment for instance, shouldbe opened to accelerate the process.

Danger.

Risk of fire and explosion. Do not underany circumstances heat components usingartificial sources of heat, e.g. heaters,heat radiators, hot air blowers or blowtorches. Risk of damage to components.Risk of fuel escaping. Risk of fire.

Opening/closing the fuel filler cap

Observe the general information onrefuelling.

M88_00-0067-01

Open the flap (1)

M47_00-0035-01

Push fuel filler cap (2) downwardsagainst the spring pressure.


Operation

Opening/closing the fuel filler cap

M47_00-0036-01

Tilt the fuel filler cap.M47_00-0037-01

Open the fuel filler cap.M47_00-0035-01

Press fuel filler cap (2) downwardsuntil the catch engages.


Operation

BlueTec® exhaust gas cleaning system

BlueTec® exhaust gas cleaningsystem

The BlueTec® exhaust gas cleaning sys-tem essentially comprises a supply tank,a catalytic converter and an AdBlue®metering system. It is monitored andcontrolled electronically. Pollutants inthe exhaust gas are converted into en-vironmentally friendly substances by theaddition of AdBlue® and the catalyticconverter integrated into the silencer.

To function correctly, the BlueTec® ex-haust gas cleaning system requires theaddition of a reducing agent (AdBlue®).The addition of AdBlue® does not formpart of the routine scope of bus main-tenance – it is the responsibility of thevehicle operators to ensure that the Ad-Blue® supply tank is regularly replen-ished. Filling and operating the bus withAdBlue® is mandatory for compliancewith emission regulations and is thusone of the conditions for the road trafficapproval of the bus. The road traffic ap-proval of the bus will be invalidated ifthe bus is operated without AdBlue®. It

would then be against the law to operatethe bus on public roads. In some coun-tries, operation of the bus without Ad-Blue® may be considered to be a crimin-al offence or a violation of administrativelaw punishable by fine. Support in thepurchase or operation of the bus, e.g.tax relief, road tax, may also be inval-idated retrospectively. This may be thecase both in the country in which thevehicle is registered and in other coun-tries in which the vehicle is operated.

Danger.

It is essential that work relevant to safetyor work on safety-related systems be car-ried out at a qualified specialist work-shop.

Danger.

Always have maintenance work carriedout at a qualified specialist workshopwhich has the necessary knowledge andtools.

Note:

AdBlue® freezes at a temperature of ap-proximately -11 °C. The bus is equippedwith an AdBlue® preheating system asstandard. Winter operation is thereforeguaranteed, even at temperatures of be-low -11 °C.


AdBlue® is biologically degradable. Un-less it is handled properly, however, Ad-Blue® constitutes an environmental haz-ard. Do not allow AdBlue® to enter thesewerage system, surface water, ground-water or soil in significant volumes.

Danger. Risk of poisoning andinjury.

AdBlue® is not classified as a hazardoussubstance by German regulations govern-ing hazardous substances. Nevertheless,certain points should be observed whenhandling AdBlue®.

The AdBlue® line system and the systemcomponents connected to it are pres-


Operation


surised while the engine is warm. Thereis a risk of scalding from hot AdBlue®spraying out if the line system is suddenlyopened. There is also the risk of skin ir-ritation or damage to the eyes if AdBlue®comes into contact with the skin or eyes.

Wear gloves

Wear protective clothing

Wear safety goggles

Work on the exhaust gas aftertreat-ment system should not be com-menced until approximately 4 minuteshave passed as individual lines con-tinue to be flushed even after theengine has been switched off.

Switch the ignition starter switch tothe “OFF” position and remove thekey before work is carried out on theSCR system.

Allow the AdBlue® line system tocool down

Open line connections and systemcomponent covers/caps slowly.

Capture any AdBlue® that escapes ina suitable container and dispose ofit in an environmentally respo

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