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Service bulletin 01M992

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 id603948
Published by NHTSA1999-03-12
Manufacturer's number01M992
Manufacturer's date1999-01-05
NHTSA componentELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE

NHTSA's summary

AS OF VIN A057920 A NEW AAM AND IMMOBILIZER WAS INTRODUCED INTO PRODUCTION. *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

Electrical system, Ignition

Vehicles listed
MERCEDES BENZ 163
MERCEDES BENZ ML320

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