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Service bulletin LI18-30P-054921

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 id10050900
Published by NHTSA2013-02-12
Manufacturer's numberLI18-30P-054921
Manufacturer's date2012-10-31
NHTSA componentENGINE

NHTSA's summary

MERCEDES (XENTRY): WHEN ENGINE SWITCHES TO UNIT PROTECTION FUNCTION (LIMP-HOME MODE), SET TOO CONSERVATIVELY, CAUSES VEHICLE TO HAVE REDUCED OR NO POWER, INTERMITTENTLY, AND SOFTWARE NEEDS TO BE UPDATED. MODEL 204. NO MODEL YEARS LISTED. *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

Engine

Vehicles listed
MERCEDES BENZ C632010
MERCEDES-BENZ GLK3502012

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