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Service bulletin 30992

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 id605899
Published by NHTSA1999-07-30
Manufacturer's number30992
Manufacturer's date1999-06-17
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

SOME VEHICLES WITH AUTOMATIC TRANSMISSION MAY EXHIBIT ETC CONTROL MODULE WITH DIAGNOSTIC TROUBLE CODE 146 (SLIPPING) ON ENGINES M112 AND M113. *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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
MERCEDES BENZ M112
MERCEDES BENZ M113

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