v c: .... · l·.\:d. •• T .O ,..., .. i\ t;:. Pi J f'\
Topic number
Version
Design group
Date
Ground points with paint-stripping nut
Ll54.18-P-058937
1
54.18 Cable harnesses
04-21-2014
Validity Model series 176, 246, 156, 117, 166 ,172, 231 , 222, 217,205
Reason for change
Reason for block
Complaint: Various electrical fault profiles and fault messages in the instrument cluster. Supposedly poor ground points in the vehicle Overpainted M6 ground bolts Paint residues on the ground bolts See attachments for examples
Attachments
File Designation
Vermeintlich schlechte Massestelle Nr1 .jpg Supposedly poor ground point during repair; expert opini-on ground point OK
Vermeintlich schlechte Massestelle Nr2.JPG Supposedly poor ground point during repair; expert opini-on ground point OK
Vermeintlich schlechte Massestelle Nr3.JPG Supposedly poor ground point during repair; expert opini-on ground point OK
Vermeintlich schlechte Massestelle Nr4.JPG Supposedly poor ground point during repair; expert opini-on ground point OK
Cause: The contact design of the electrical ground connections to the vehicle body has been changed. All M6 ground bolts on the body are overpainted during production. Newly developed paint-stripping nuts are now used.
Remedy: The technology of the paint-stripping nut means that the paint on the ground bolt is scraped off as the nut is tightened, establishing an electrical connection between the male thread of the ground bolt and the inside thread of the nut. The contact points of the electrical ground connection are the underside of the thread on the ground bolt and the threads of the nut. It does not matter that the contact surface and the protruding thread of the ground bolt are overpainted because the electrical ground connection is made via the thread of the ground bolt. Photos for orientation are attached. These ground points are assessed as not OK during repair work. However, our experts are of the opinion that these ground points are OK (see above for reasoning). In the event of electrical problems in the vehicle, DO NOT open and clean the ground points. Contact surface of ground bolt: The contact surface of the ground bolt for the cable lug is overpainted. This is OK!!!
04-21-2014 1:18 PM © Copyright Daimler AG
PLUBONS Page 1/13
It is sufficient merely to ensure that the contact surface of the cable lug is flat (no dirt inclusions or welding spatter). DO NOT clean the paint off the contact surface, as this could lead to other problems (corrosion). Reuse of paint-stripping nuts: Before screwing the paint-stripping nut back onto the ground connection, the paint residues in the grooves of the paint-stripping nut must be removed (e.g. blow out with compressed air). Replacement of nuts on ground points: In repair cases, make sure that only the new paint-stripping nuts are used. Paintwork rectification on the vehicle: To avoid excessively thick paint coats, the connection must be masked (e.g. with a nut screwed on or with a cap) before retouching the paintwork in the area of the ground connection. For further information on the subject of ground points and paint-stripping nuts, see AH00.19-P-1000-20A. For various electrical fault profiles, please refer to the relevant TIPS documents for these fault profiles and DO NOT merely check and clean the ground points.
Attachments
File Designation
Massestelle uberlackiert Nr1 iO.jpg Contact surface and ground bolt overpainted; electrical conductivity OK
Massestelle uberlackiert Nr2 iO.jpg Contact surface and ground bolt overpainted; electrical conductivity OK
Symptoms
Power transmission I Automatic transmission I Automatic transmission - function I Shifts
Power transmission I Automatic transmission I Automatic transmission - function I Electrical faulUFault code
Power generation I Engine management I Engine management indicator lamp I Engine diagnosis / lit
Overall vehicle I Power supply I Battery/On-board electrical system I Battery/on-board electrical system display mes-sage I Battery/Alternator - Serviced Required
Overall vehicle I Power supply I Battery/On-board electrical system I Battery/on-board electrical system display mes-sage I Low voltage Charge battery
Overall vehicle I Networking I CAN/FlexRay communication I Malfunction
Overall vehicle I Networking I Gateway communication I Malfunction
Chassis/suspension I Brake system I Brakes/traction regulation system I Electronic Stability Program ESP/ Indicator lamp/ lit
Chassis/suspension I Brake system I Brakes/traction regulation system I Brake assist system BAS I Display messa-ge I Brake assist - not available
Chassis/suspension I Brake system I Brakes/traction regulation system I Brake assist system BAS / Indicator lamp I lit
Chassis/suspension I Brake system I Brakes/traction regulation system I Starting-off aid I Nonfunctional
Chassis/suspension I Brake system I Brakes/traction regulation system I Brake assist system BAS / Indicator lamp I Goes on
Chassis/suspension I Brake system I Brakes/traction regulation system I Electronic Stability Program ESP / Indicator lamp I Goes on
Chassis/suspension I Brake system I Brakes/traction regulation system I Electronic Stability Program ESP I Display message I Display text, yellow/white I Unavailable - ESP - See Operator's Man.
Power generation I Engine management I Engine performance I Goes into limp-home mode
Power generation I Engine management I Engine performance I No/poor output
Power transmission I Automatic transmission I Automatic transmission - function I Poor shift quality
Overall vehicle I Power supply I Battery/On-board electrical system I Battery/on-board electrical system display mes-sage I Backup battery fault
04-21-2014 1 :18 PM ©Copyright Daimler AG
PLUBONS Page 2/13
Communication/information I Warning and control system I COLLISION PREVENTION ASSIST I Warning system nonfunctional
Parts
Part number ES1
A 004 990 62 50
WIS-References
Document number
AH00.19-P-1000-20A
Validity
Vehicle
156.902
156.903
156.905
156.908
156.943
156.944
156.946
166.003
166.004
166.023
166.024
166.055
166.056
166.057
166.058
166.062
166.073
166.074
166.823
166.824
166.856
166.872
166.873
04-21-2014 1:18 PM ©Copyright Daimler AG
ES2 Designation Quantity
Paint-stripping nut
Title Note
Notes on using paint-strip-ping nut for ground connec-tions
Engine
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
PLUBONS
Note EPC Other ma-ke part
Paint-stripping nut for ground x points
Allocation
Remedy
Transmission
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Page 3/13
\I £'.'.. 11.J - n '" t\o 4 !\ii ~· Y\ l
166.874
176.000
176.001
176.002
176.003
176.005
176.007
176.008
176.011
176.012
176.042
176.043
176.044
176.046
176.052
222.004
222.032
222.033
222.057
222.077
222.082
222.085
222.104
222.123
222.132
222.133
222.157
222.162
222.165
222.176
222.177
222.178
222.179
222.182
222.185
242.848
246.200
246.201
246.203
246.207
246.211
246.212
246.242
04-21-2014 1:18 PM © Copyright Daimler AG
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
PLUBONS Page 4/13
·~. , e::. •. •N .. · .. ·· "''"" R· . ·. v l"\~ ··· l · .. · ·j
246.243 * *
246.244 * *
246.247 * *
c (205) * *
CLA (117) * *
s (217) * *
SL (231) * *
SLK (172) * *
Full model designation breakdown
Vehicle Engine Transmission
117.301 651 .901 711.642
117.301 651 .901 724.003
117.302 651.930 724.011
117.303 651.930 724.003
117.305 651 .930 724.011
117.308 651 .930 711 .645
117.308 651.930 724.003
117.312 607.951 711.632
117.312 607.951 724.020
117.342 270.910 711.632
117.342 270.910 711 .643
117.342 270.910 724.002
117.343 270.910 711.643
117.343 270.910 724.002
117.344 270.920 724.003
117.345 270.920 724.003
117.346 270.920 724.011
117.347 270.920 724.011
117.352 133.980 724.015
156.902 651 .930 724.011
156.903 651.930 724.004
156.905 651 .930 724.011
156.908 651.930 711 .632
156.908 651 .930 724.004
156.943 270.910 711.647
156.943 270.910 724.001
156.944 270.920 724.004
156.946 270.920 724.011
166.003 651.960 722.908
166.004 651.960 722.908
166.023 642.826 722.903
04-21-2014 1:18 PM PLUBONS © Copyright Daimler AG Page 5/13
166.023 642.826 725.031
166.024 642.826 722.903
166.024 642.826 725.031
166.055 276.955 722.906
166.056 276.821 722.904
166.057 276.955 722.906
166.058 276.955 722.906
166.062 276.821 722.904
166.073 278.928 722.909
166.073 278.928 725.031
166.073 278.928 725.032
166.074 157.982 722.905
166.074 157.982 722.931
166.823 642.826 722.903
166.823 642.826 725.031
166.824 642.826 722.903
166.824 642.826 725.031
166.856 276.821 722.904
166.872 278.928 722.909
166.872 278.928 725.031
166.872 278.928 725.032
166.872 278.928 725.033
166.873 278.928 722.909
166.873 278.928 725.031
166.873 278.928 725.032
166.873 278.928 725.033
166.874 157.982 722.905
166.874 157.982 722.931
172.403 651 .980 711 .670
172.403 651 .980 722.908
172.447 271.861 711 .653
172.447 271.861 711 .654
172.447 271.861 722.997
172.448 271.861 711.655
172.448 271.861 722.997
172.457 276.956 722.906
172.475 152.980 722.909
176.000 651.901 711 .642
176.000 651.901 724.003
176.001 651 .901 711.642
176.001 651.901 724.003
176.002 651 .930 724.011
176.003 651.930 724.003
04-21-2014 1:18 PM PLUBONS © Copyright Daimler AG Page 6/13
176.005
176.007
176.007
176.008
176.008
176.011
176.011
176.011
176.012
176.012
176.012
176.042
176.042
176.042
176.043
176.043
176.044
176.046
176.052
205.002
205.002
205.002
205.003
205.003
205.003
205.004
205.004
205.004
205.008
205.008
205.008
205.009
205.009
205.012
205.012
205.012
205.036
205.036
205 .037
205.037
205.040
205.040
205.040
04-21-2014 1:18 PM ©Copyright Daimler AG
651 .930
651.930
651 .930
651.930
651 .930
607.951
607.951
607.951
607.951
607.951
607.951
270.910
270.910
270.910
270.910
270.910
270.920
270.920
133.980
651.921
651.921
651.921
651 .921
651.921
651 .921
651.921
651.921
651.921
651.921
651.921
651 .921
651 .921
651 .921
651 .921
651.921
651.921
626.951
626.951
626.951
626.951
274.910
274.910
274.910
PLUBONS
724.011
711.645
724.003
711 .645
724.003
711.632
711 .645
724.020
711.632
711 .645
724.020
711.632
711.643
724.002
711.643
724.002
724.003
724.011
724.015
716.754
722.908
725.011
716.754
722.908
725.011
716.754
722.908
725.011
716.754
722.908
725.011
716.754
722.965
716.754
724.208
725.011
716.700
722.993
716.700
722.993
716.702
722.995
725.011
Page 7/13
'" c NT R ·v I'\ ~ . ·.. . . f
205.041
205.041
205.041
205.042
205.042
205.042
205.045
205.045
205.045
205.049
205.049
205.066
205.066
205.142
205.142
205.145
205.145
205.204
205.204
205.204
205.208
205.208
205.208
205.212
205.212
205.212
205.240
205.240
205.240
205.242
205.242
205.242
205.245
205.245
205.245
217.382
222.004
222.032
222 .032
222.033
222 .057
222.057
222.077
04-21-2014 1 :18 PM © Copyright Daimler AG
274.910
274.910
274.910
274.920
274.920
274.920
274.920
274.920
274.920
274.920
274.920
276.823
276.823
274.920
274.920
274.920
274.920
651 .921
651 .921
651.921
651 .921
651 .921
651.921
651.921
651 .921
651 .921
274.910
274.910
274.910
274.920
274.920
274.920
274.920
274.920
274.920
278.929
651.921
642.861
642.861
642.867
276.960
276.960
157.985
PLUBONS
716.702
722.995
725.011
716.702
722.995
725.011
716.702
722.995
725.011
716.702
722.969
722.961
725.041
722.995
725.011
722.995
725.011
716.750
722.908
725.011
716.750
722.908
725.011
716.750
724.208
725.011
716.702
722.995
725.011
716.702
722.995
725.011
716.702
722.995
725.011
722.909
724.208
722.903
725.011
722.966
724.206
725.011
722.931
Page 8/13
222.082
222.082
222.085
222.085
222.104
222.123
222.123
222.132
222.132
222.133
222.157
222.157
222.162
222.162
222.165
222.165
222.176
222.177
222.178
222.179
222.182
222.182
222.185
222.185
231.457
231.465
231.473
231.474
231.479
242.848
242.848
246.200
246.200
246.201
246.201
246.203
246.207
246.207
246.211
246.211
246.212
246.212
246.212
04-21 -2014 1:18 PM © Copyright Daimler AG
278.929
278.929
278.929
278.929
651.921
642.861
642.861
642.861
642.861
642.867
276.960
276.960
276.824
276.824
276.824
276.824
277.980
157.985
157.985
279.980
278.929
278.929
278.929
278.929
276.954
276.825
278.927
157.983
279.981
270.920
270.920
651.901
651.901
651 .901
651 .901
651.930
651.930
651.930
607.951
607.951
607.951
607.951
607.951
PLUBONS
722.909
725.011
722.967
725.041
724.208
722.903
725.011
722.903
725.011
722.966
724.206
725.011
722.904
725.011
722.904
725.011
722.932
722.931
722.971
722.932
722.909
725.011
722.967
725.041
722.906
722.904
722.909
722.931
722.932
711.632
724.003
711.642
724.003
711.642
724.003
724.003
711.645
724.003
711 .632
724.020
711.632
711.645
724.020
Page 9/13
){ENTRY
246.242
246.242
246.242
246.243
246.243
246.243
246.244
246.247
Attachments Vermeintlich schlechte Massestelle Nr1 .jpg:
04-21-2014 1 :18 PM © Copyright Daimler AG
270.910 711.632
270.910 711.643
270.910 724.002
270.910 711.643
270.910 724.002
270.910 724.003
270.920 724.003
270.920 724.011
PLUBONS Page 10/13
,. ,~ e .N. - ,D ·",,,. i\m>'• . . ··" f"\ {
Vermeintlich schlechte Massestelle Nr2.JPG:
Vermeintlich schlechte Massestelle Nr3.JPG:
04-21-2014 1 :18 PM ©Copyright Daimler AG
PLUBONS Page 11/13
>tENTRY
Vermeintlich schlechte Massestelle Nr4.JPG:
Massestelle Oberlackiert Nr1 iO.jpg:
04-21-2014 1 :18 PM ©Copyright Daimler AG
PLUBONS Page 12/13
t
Massestelle Oberlackiert Nr2 iO.jpg:
04-21-2014 1:18 PM © Copyright Daimler AG
PLUBONS Page 13/13