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Service bulletin 70028E

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 id10005702
Published by NHTSA2004-03-12
Manufacturer's number70028E
Manufacturer's date2003-12-18
Replaces70028D
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

ENGINE CONTROL UNIT SOFTWARE UPDATE. (MODEL 203 MODEL YEAR 2002 AND LATER, MODEL 170 (SLK320 ONLY) MODEL YEAR 2002 AND LATER, MODEL 230). *JB

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 2092003
MERCEDES BENZ 2102002
MERCEDES BENZ 2112003
MERCEDES BENZ 2152003
MERCEDES BENZ 2202003

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