LI54.18-P-062956 Service Bulletin/Repair Instructions

ESP, BAS, PRE-SAFE - Fault message in instrument cluster

Topic number
LI54.18-P-062956
Version
3
Design group
54.18 Cable harnesses
Date
05-13-2016
Validity
Model 205 - M274

Model 205 - M276

Model 205 - OM626

Model 205 - OM651

Note part numbers of engine control unit connector "F"!
Reason for change
Validity and part numbers adapted.
Reason for block
Complaint:
ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable. Also the

adaptive brake lights, Adaptive Brake Assist and/or ATTENTION ASSIST may have be unavailable. 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 have been logged in the ESP control unit.
Cause:
The fault entry could have been caused by occasional transition resistance at contacts.
Remedy:
The remedy refers only to the model series listed and is not compatible with other published TIPS documents for other

model series.

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:

- Replace the female contacts at the connector/ feed line of the accelerator pedal sensor (B37).

- Disconnect engine control unit "plug connector - F and M" once and reconnect.

If the fault occurs again, or if this is a re-occurrence of the same problem, the relevant female contacts on the engine

control unit connector "F" must be replaced. The repair may only be performed by specialist personnel.

Notes:

Contact spray must never be used on contacts on the engine wiring harness. The use of contact cleaners can cause

consequential damage!

05-13-2016 7:26 PM

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Please do not replace any components/assembly parts (accelerator pedal sensor or engine control unit)!
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. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212800
Position sensor 2 for the accelerator pedal has a short circuit to

positive _
N3/9 - Motor electronics

P212700

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
Position sensor 2 for the accelerator pedal has a short circuit to

ground. _
N3/10 - Motor electronics

P212300

'MED177' for combustion engine 'M276' (ME)
Position sensor 1 for the accelerator pedal has a short circuit to

positive _
N3/10 - Motor electronics

P212200

'MED177' for combustion engine 'M276' (ME)
Position sensor 1 for the accelerator pedal has a short circuit to

ground. _
N3/9 - Motor electronics

P213800

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
The values from the position sensors of the accelerator pedal are

implausible relative to each other. _
N3/9 - Motor electronics

P212100

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
Position sensor 1 for the accelerator pedal has a malfunction. _
N3/9 - Motor electronics

P212300

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
Position sensor 1 for the accelerator pedal has a short circuit to

positive _
N3/10 - Motor electronics

P212812

'MED177' for combustion engine 'M276' (ME)
Position sensor 2 for the accelerator pedal has a short circuit to

positive There is a short circuit to positive.
N3/9 - Motor electronics

P212200

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
Position sensor 1 for the accelerator pedal has a short circuit to

ground. _
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N3/10 - Motor electronics

P060D64

'MED177' for combustion engine 'M276' (ME)
The signals of accelerator pedal sensors 1 and 2 are implausible

in relation to each other. There is an implausible signal.
N3/10 - Motor electronics

P213800

'MED177' for combustion engine 'M276' (ME)
The values from the position sensors of the accelerator pedal are

implausible relative to each other. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212100
Position sensor 1 for the accelerator pedal has a malfunction. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212200
Position sensor 1 for the accelerator pedal has a short circuit to

ground. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P2121FA
Position sensor 1 for the accelerator pedal has a malfunction. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212300
Position sensor 1 for the accelerator pedal has a short circuit to

positive _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212700
Position sensor 2 for the accelerator pedal has a short circuit to

ground. _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P212164
Position sensor 1 for the accelerator pedal has a malfunction.

There is an implausible signal.
N3/10 - Motor electronics

'MED40' for combustion engine 'M274' (ME)
P212711
Position sensor 2 for the accelerator pedal has a short circuit to

ground. There is a short circuit to ground.
N3/10 - Motor electronics

'MED40' for combustion engine 'M274' (ME)
P212812
Position sensor 2 for the accelerator pedal has a short circuit to

positive There is a short circuit to positive.
N3/10 - Motor electronics

'MED40' for combustion engine 'M274' (ME)
P212200
Position sensor 1 for the accelerator pedal has a short circuit to

ground. _
N3/10 - Motor electronics

'MED40' for combustion engine 'M274' (ME)
P212300
Position sensor 1 for the accelerator pedal has a short circuit to

positive _
N3/9 - Motor electronics

'CR43' for combustion engine

'OM651' (CDI)
P213800
The values from the position sensors of the accelerator pedal are

implausible relative to each other. _
N3/9 - Motor electronics

P212800

'CDI41R' for combustion engine 'OM626' (CDI) (CR41R)
Position sensor 2 for the accelerator pedal has a short circuit to

positive _
N3/10 - Motor electronics

P212711

'MED177' for combustion engine 'M276' (ME)
Position sensor 2 for the accelerator pedal has a short circuit to

ground. There is a short circuit to ground.
Parts

Part number
ES1 ES2 Designation
Quantity Note
EPC
A 021 545 13 26
Female contact MCP 1.2 LL
"B37 - Accelerator pedal sensor"
X
A 000 545 69 80
Single-wire seal
"B37 - Accelerator pedal sensor"
X
05-13-2016 7:26 PM

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W22058904991 0
Crimping set MCP 1.2 ELA
Special tool "B37 - Accelerator pedal

sensor"
A 005 982 49 26
Female contact MCP 1.2 CB
Engine control unit connector "F".

Engine 274 with part number for

connector A 011 540 42 81.

Engine 276 with part number for

connector A 007 540 97 81.

Engine 626 with part number for

connector A 007 540 99 81.

Engine 651 with part number for

connector A 007 540 97 81.
X
A 001 982 41 26
Female contact MLK 1.2 S
Engine control unit connector "F".

Engine 276 with part number for

connector A 007 540 67 81.

Engine 626 with part number for

connector A 007 540 65 81.

Engine 651 with part number for

connector A 011 540 12 81.
X
W22058904991 1
Crimping set MCP 1.2
Special tool
W22058901993 0
Removal tool MCP 1.2
Special tool
W22058904993 4
Release tool MCP 1.2 CB
Special tool
W22058901998 3
Crimping set MLK 1.2 S
Special tool
W22058901992 5
Removal tool MLK 1.2 S
Special tool
Operation numbers/damage codes

Op. no.
Operation text
Time
Damage

code
Note
59202 74
Connector/line for accelerator pedal

sensor
WIS-References

Document number
Title
Note
Allocation
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
Validity

Vehicle
Engine
Transmission
C (205)
626
*
05-13-2016 7:26 PM

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C (205)
276
*
C (205)
651
*
C (205)
274
*
05-13-2016 7:26 PM

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