NHTSA ID Number: 10136117
Manufacturer Communication Number: LI54.18-P-057974
TSB/Document Date: 2018-05-07
Summary
ESP, BAS, PRE-SAFE - Fault message in instrument cluster
ESP, BAS, PRE-SAFE - Fault message in instrument cluster
Topic number
LI54.18-P-057974
Version
6
Design group
54.18 Cable harnesses
Date
07-19-2016
Validity
Model 117, 156, 176, 246 with engine 270, 607, 651
Reason for change
Notes adapted
Reason for block
Complaint:
ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable due to a
malfunction. Also the adaptive brake lights, Adaptive Brake Assist and/or ATTENTION ASSIST may have failed or be
deactivated. The brake system continues to operate with normal effectiveness. The support functions listed may have
failed, but are available again after an ignition off/on cycle.
One or more of the faults relating to the accelerator pedal (B37) listed under 'Control unit / Fault code' are stored in
the engine control unit. Consequential faults may be stored in the ESP; see also under 'Control unit / Fault code'.
Cause:
The fault entry could have been caused by occasional transition resistance at contacts.
Remedy:
If all the test steps stored in Xentry Diagnostics have been performed and no component faults were found, the following work must be carried out:
- Check contacts of accelerator pedal plug connector (B37) for widening/damage! Make sure that testing is performed
using the correct contact spring (here MLK1.2) from the electrics case, otherwise the contact could be damaged! If damage/widening is found, the female contacts must be replaced.
- Disconnect engine control unit "plug connector - F and M" once and reconnect.
Engine 651 only:
If the fault occurs again, or if this is a reoccurrence of the same problem, the relevant female contacts of the engine
control unit connector "F" must be replaced. The repair may only be performed by specialist personnel and the instructions in the attachment must be followed!
Notes:
Contact spray must never be used on contacts on the engine wiring harness. The use of contact cleaners can cause
consequential damage!
Please do not replace any components!
07-19-2016 9:45 PM
© Copyright Daimler AG
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Attachments
File
Description
651,270,274_Tausch Kontaktbuchse_german.pdf
Instructions: Replace female contact - German
651,270,274_Change female contact_english.pdf
Instructions: Replace female contact - English
Symptoms
Power generation / Engine management / Indicator lamp / Engine diagnosis / lit
Chassis/suspension / Brake system / Brakes/traction regulation system / Brake assist system BAS / Display message / Brake assist - not available
Chassis/suspension / Brake system / Brakes/traction regulation system / Starting-off aid / Nonfunctional
Chassis/suspension / Brake system / Brakes/traction regulation system / Brake assist system BAS / Indicator lamp /
Goes on
Chassis/suspension / Brake system / Brakes/traction regulation system / Electronic Stability Program ESP / Indicator
lamp / Goes on
Chassis/suspension / Brake system / Brakes/traction regulation system / Electronic Stability Program ESP / Display
message / Display text, yellow/white / Unavailable - ESP - See Operator's Man.
Communication/information / Warning and control system / COLLISION PREVENTION ASSIST / Warning system
nonfunctional
Control unit/fault code
Control unit
Fault code
Fault text
N3/10 - Motor electronics
'MED40' for combustion engine 'M274' (ME)
P213800
The values from the position sensors of the accelerator pedal are
implausible relative to each other. _
A90 - Control unit 'COLLISION U0401FC
PREVENTION ASSIST' (SGAWF) (FCW246)
Chassis CAN bus : CAN signal 'Static engine torque' from control
unit 'Motor electronics' is implausible.
N3/9 - Motor electronics
P022664
'CRR1' for combustion engine
'OM607' (CDI)
Fault of function monitoring of electronic accelerator There is an
implausible signal.
N30/4 - Electronic stability pro- C03A400
gram (ESP®) (ESP9MFA)
The CAN message from control unit 'Engine' is faulty.
N3/9 - Motor electronics
P213862
'CDID3' for combustion engine
'OM651' (CDI) (CRD3)
The values from the position sensors of the accelerator pedal are
implausible relative to each other. The signal comparison is faulty.
N128 - Electric parking brake
(EFB) (EPKB166)
No CAN message was received from control unit 'Engine'.
U010000
N3/9 - Motor electronics
P212714
'CDID3' for combustion engine
'OM651' (CDI) (CRD3)
Position sensor 2 for the accelerator pedal has a short circuit to
ground. There is a short circuit to ground or an open circuit.
A90 - Control unit 'COLLISION U0401FF
PREVENTION ASSIST' (SGAWF) (FCW246)
Chassis CAN bus : CAN signal 'Position of accelerator pedal'
from control unit 'Motor electronics' is implausible.
A90 - Control unit 'COLLISION U0416FD
PREVENTION ASSIST' (SGAWF) (FCW246)
Chassis CAN bus : No CAN message was received from control
unit 'Electronic stability program'.
07-19-2016 9:45 PM
© Copyright Daimler AG
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A90 - Control unit 'COLLISION U0401FE
PREVENTION ASSIST' (SGAWF) (FCW246)
Chassis CAN bus : CAN signal 'Accelerator pedal sensor (raw value)' from control unit 'Motor electronics' is implausible.
Parts
Part number
ES1 ES2 Designation
Quantity Note
EPC
A 002 982 58 26
Female contact MLK1.2S ----0.5mm²
"B37 - Accelerator pedal"
X
A 000 982 30 26
Female contact MLK1.2S ----0.75mm²
"B37 - Accelerator pedal"
X
A 001 545 50 80
"B37 - Accelerator pedal"
X
W00058913990 0
Wiring harness repair kit, basic
To be ordered as special tool!
W22058904990 0
Wiring harness repair kit, supplement for passenger cars
To be ordered as special tool!
W22058901994 0
To be ordered as special tool!
A 021 545 01 26
Female contact (Kostal
connector) MCP1.2 (0.5-0.
75mm²)
For engine control unit connector M/F
- See attachment
X
A 021 545 05 26
Female contact (Kostal
connector) MCP1.2 (0.25-0.35
mm²)
For engine control unit connector M/F
- See attachment
X
A 007 989 07 85
Fabric tape
See attachment
X
A 004 997 98 90
For engine control unit connector M/F
- See attachment
X
W22058901998 4
Crimping set MLK 1.2 ELA
Special tool "B37 - Accelerator pedal"
A 020 545 93 26
Female contact (Tyco connector) MCP1.2 (0.25-0.35mm²)
See attachment
X
A 020 545 49 26
Female contact (Tyco connector) MCP1.2 (0.5-0.75mm²)
See attachment
X
Operation numbers/damage codes
Op. no.
Operation text
Time
Damage
code
Note
54581 73
Diesel engine control unit
598BF 74
Connector/line F for gasoline engine
control unit
59202 74
Connector/line for accelerator pedal
sensor
598DF 74
Connector/line F for diesel engine
control unit
WIS-References
Document number
07-19-2016 9:45 PM
© Copyright Daimler AG
Title
Note
RWEINGA
Allocation
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AR00.19-P-0100A
Wiring harness general repair methods
Remedy
AR00.19-P-0120A
Remove contacts from
connectors, couplings
Remedy
WS00.19-P-0002B
220 589 02 99 00 Wiring
harness repair kit
Remedy
WS00.19-P-0006B
220 589 04 99 00 Wiring
harness repair kit, supplement for passenger cars
Remedy
07-19-2016 9:45 PM
© Copyright Daimler AG
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TSB/Document ID: LI54.18-P-057974
Replacement Service Bulletin Number:
MFR Communication Date: 2016-07-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRONIC STABILITY CONTROL (ESC)
MFR Component System:
MFR Component Subsystem:
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