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Service bulletin 1998040001

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 id602388
Published by NHTSA1998-11-03
Manufacturer's number1998040001
Manufacturer's date1998-07-07
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

NHTSA's summary

PROVIDED INFORMATION ON THE PROCEDURE TO ADD AN O-RING TO THE HEATER RETURN HOSE RETAINING CLIP(MODEL 163.154). *YC

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

Glass, wipers and mirrors, Heating and air conditioning

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.