NHTSA ID Number: 10178718
Manufacturer Communication Number: LI54.30-P-069456
TSB/Document Date: 2020-08-24
Summary
Model series 205/253 without code 464: Time/date and trip computer reset and/or check engine light in instrument cluster with engine off time DTC in ME
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TSB/Document ID: LI54.30-P-069456
Replacement Service Bulletin Number:
MFR Communication Date: 2020-07-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: INTERIOR LIGHTING
MFR Component System:
MFR Component Subsystem:
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Model series 205/253 without code 464: Time/date and trip computer reset and/or check engine light
in instrument cluster with engine off time DTC in ME
Topic number
LI54.30-P-069456
Version
7
Function group
54.30 Instrument cluster, display instruments, hazard
warning device
Date
07-10-2020
Validity
Model series 205 and 253 without code 464
Reason for change
Remedy for 253 hybrid
edited
Reason for block
Complaint:
The following complaints may be noted:
- The time/date and trip computer may reset automatically and without obvious cause (Note: On vehicles equipped
with navigation, following a reset, the instrument cluster time/date will re-sync with the head unit and correct itself)
- The check engine light may be present or may have been present in the instrument cluster with DTC P261029,
P02FF02, or P02FF85 stored in the engine control unit (N3/10, see attachment for example).
Attachments
File
Description
P261029 DTC.JPG
P261029 DTC example
Cause:
Hardware or software in the Entry instrument cluster (vehicle without code 464)
Remedy:
Pre-facelift vehicles: BR205 up to and including code 808, BR253 up to and including code 809 (not code 800)
- For 205/253 non-AMG
variants, Entry instrument cluster, please perform a software update (E20.3) of the instrument
cluster control unit (A1).
- For 205/253 AMG
variants Entry instrument cluster (with AMG
logo), replace the instrument cluster (A1).
- For 253 Hybrid
variants, Entry instrument cluster, perform a software update of the instrument cluster control unit
(A1)
Note: If no other DTCs are present and there are no additional complaints the DTC referenced can then be cleared
and the vehicle can be released to the customer until the part arrives
Facelift vehicles: BR205 as of code 809, BR253 as of code 800
07-10-2020 2:10 PM
© Copyright Mercedes-Benz
AG
CTENORE
Page 1/3
- For 205/253 non-AMG
variants, Entry instrument cluster:
205: Please perform a software update (E38.4) of instrument cluster control unit (A1).
253: Please perform a software update (E44.4 or E47.0, software object numbers A2059022029 or A2059022329) of
instrument cluster control unit (A1).
- For 205/253 AMG
variants, Entry instrument cluster (only with AMG
logo):
205: Perform a software update (E38.1) of instrument cluster control unit (A1).
253: Perform a software update (E44.0) of instrument cluster control unit (A1).
If the complaint continues to occur after the above corresponding remedy is applied then please open a PTSS case
with the following information:
- Initial quick test
- IC, ME, and PTCU control unit logs
- Currently installed instrument cluster (A1) part number
Symptoms
Communication/information / Information display / Trip computer / Malfunction
Power generation / Engine management / Indicator lamp / Engine diagnosis / lit
Communication/information / Information display / Displays / Clock / Malfunction
Communication/information / Information display / Displays / Multifunction display / Multifunction display, menu / Menu items missing
Communication/information / Information display / Displays / Multifunction display / Multifunction display, menu / Incomplete display
Communication/information / Information display / Displays / Multifunction display / Multifunction display, error messages / Implausible messages despite properly functioning message systems
Communication/information / Information display / Indicator lamp / lit
Communication/information / Information display / Displays / Multifunction display / Multifunction display, error messages / Due to faulty reporting system
Communication/information / Information display / Indicator lamp / Flickers/pulsates
Communication/information / Information display / Trip computer / Average speed is imprecisely/incorrectly displayed
Communication/information / Information display / Trip computer / Driving time is imprecisely/incorrectly displayed
Communication/information / Information display / Displays / Multifunction display / Multifunction display, menu /
Faulty display
Control unit/fault code
Control unit
Fault code
Fault text
A1 - Instrument cluster (IC)
(IC222)
-
-
N3/10 - Motor electronics
P261029
'MED177' for combustion engine 'M276' (ME)
07-10-2020 2:10 PM
© Copyright Mercedes-Benz
AG
The engine off time has an implausible value. There is an invalid
signal.
CTENORE
Page 2/3
N3/10 - Motor electronics
P261029
'MED1775' for combustion engine 'M177' (ME)
The engine off time has an implausible value. There is an invalid
signal.
N3/10 - Motor electronics 'ME- P261029
D177V6LA' for combustion
engine 'M276 Abgasturbolader' (ME)
The engine off time has an implausible value. There is an invalid
signal.
N3/10 - Motor electronics
'MED40' for combustion engine 'M274' (ME)
P261029
The engine off time has an implausible value. There is an invalid
signal.
N3/10 - Motor electronics
'MED41' for combustion engine 'M260/M264' (ME)
P02FF02
Frequency counter 'Downtime of drivetrain' has a malfunction.
There is a general signal fault.
N3/10 - Motor electronics
'MED41' for combustion engine 'M260/M264' (ME)
P02FF85
Frequency counter 'Downtime of drivetrain' has a malfunction.
There is a signal above the permissible limit value.
Operation numbers/damage codes
Op. no.
Operation text
Time
Damage
code
Note
5422A 50
Attachments
P261029 DTC.JPG:
07-10-2020 2:10 PM
© Copyright Mercedes-Benz
AG
CTENORE
Page 3/3
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