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Service bulletin 052016

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 id10016642
Published by NHTSA2005-09-26
Manufacturer's number052016
Manufacturer's date2007-08-21
Replaces052016B
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CHECK ENGINE LIGHT BEING ACTIVATED AFTER STARTING THE ENGINE AND CODE P2034 STORED IN THE ENGINE CONTROL MODULE. MERCEDES-BENZ MODELS 171, 203, 209, 211, 215, 219, 220 AND 230. PRODUCTION DATE JULY 2004 TO JULY 2005. *TT UPDATED ON 10/03/07 *NJ

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

Trouble codes named

P2034

Vehicles listed
MERCEDES BENZ MERCEDES BENZ
UNKNOWN UNKNOWN

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