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Service bulletin LI03.20-P-048278

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 id10135950
Published by NHTSA2018-05-07
Manufacturer's numberLI03.20-P-048278
Manufacturer's date2013-03-26
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Engine makes intermittent knocking noise, ticking/crackling

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MERCEDES BENZ CLS5002003 to 2009
MERCEDES BENZ CLS552005
MERCEDES BENZ CLS552007 to 2009
MERCEDES BENZ CLS5502003 to 2009
MERCEDES BENZ CLS632003 to 2006
MERCEDES BENZ G4632011 to 2013
MERCEDES BENZ M1642007
MERCEDES BENZ R2512007
MERCEDES BENZ S2212007
MERCEDES-BENZ AMG CLS552006
MERCEDES-BENZ AMG CLS632007 to 2009
MERCEDES-BENZ AMG CLS632011
MERCEDES-BENZ C2042011 to 2014
MERCEDES-BENZ CLS5502011 to 2015
MERCEDES-BENZ CLS632012 to 2015
MERCEDES-BENZ E2072011 to 2017
MERCEDES-BENZ E2122011 to 2014

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