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Service bulletin 142013

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 id609074
Published by NHTSA1999-12-08
Manufacturer's number142013
Manufacturer's date1999-08-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

PROCEDURES FOR AN EGR VACCUM TRANSDUCER IN-CAR CHARACTERISTIC CURVE TEST, INTERNAL LEAK TEST, AND EXTERNAL LEAK TEST FOR ALL DIESEL MODELS. *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, EGR valve

Vehicles listed
MERCEDES BENZ MERCEDES BENZ

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