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Service bulletin P-B-54.21/197A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10025827
Published by NHTSA2008-09-09
Manufacturer's numberP-B-54.21/197A
Manufacturer's date2008-07-11
NHTSA componentVISIBILITY:REAR WINDOW WIPER/WASHER:SWITCH/WIRING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:IGNITION

NHTSA's summary

MERCEDES BENZ: MODEL 204.054, 056, 081; VEHICLE DOES NOT START, NO COMMUNICATION WITH STAR DIAGNOSIS, POWER OUTLETS NOT FUNCTIONING. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Equipment and accessories, Glass, wipers and mirrors, Ignition, Instrument cluster, Software

Vehicles listed
MERCEDES BENZ C2008
MERCEDES BENZ C-CLASS2008
MERCEDES BENZ C3002008
MERCEDES BENZ C3502008

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
LI82.85-P-0556962018-05-07. Service bulletin. COMAND: No sound, SDARS message in central display "Device Unavailable"
LI-80-572011-06-13. Service bulletin. MERCEDES-BENZ: DIAGNOSTIC PROCEDURES FOR THE DRIVER AUTHORIZATION SYSTEM. *RM