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Service bulletin LI-05-20

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 id10037989
Published by NHTSA2011-06-09
Manufacturer's numberLI-05-20
Manufacturer's date2010-12-08
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

MERCEDES-BENZ: CHECK ENGINE LIGHT IS ON AND THE ENGINE MAY BE RUNNING ROUGH. THE CAMSHAFT ADJUSTERS MAY BE STICKING. *RM

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, Engine, Instrument cluster

Vehicles listed
MERCEDES BENZ M2010 to 2011

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