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Service bulletin 491008

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 id10006045
Published by NHTSA2004-04-13
Manufacturer's number491008
Manufacturer's date2004-02-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

GUIDELINES AND TIPS WHICH ARE INTENDED TO HELP WITH THE CAUSE OF NOISES WITHIN THE EXHAUST SYSTEM. MERCEDES MODELS 129, 170, 202, 203, 208, 209, 210,211, 215, 220, 230, 163. MODEL YEAR UNKNOWN. *TT

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, Exhaust and emissions

Vehicles listed
UNKNOWN UNKNOWN1

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