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Service bulletin 20158050004

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 id10076229
Published by NHTSA2016-07-07
Manufacturer's number20158050004
Manufacturer's date2016-08-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

CHECK RADIATOR FAN THIS SERVICE CAMPAIGN HAS BEEN INITIATED BECAUSE DAIMLER AG (DAG), THE MANUFACTURER OF MERCEDES-BENZ VEHICLES, HAS DETERMINED THAT THE AIR CONDITIONING MAY MALFUNCTION DUE TO A FAILURE OF THE ELECTROLYTE CAPACITOR IN THE RADIATOR FAN CONTROL UNITL TO CORRECT THIS CONDITION AN AUTHORIZED MERCEDES-BENZ DEALER WILL CHECK THE PRODUCTION DATE OF THE RADIATOR FN AND REPLACE THE RADIATOR FN, IF NECESSARY, AT THE NEXT DEALER VISIT.

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, Cooling system, Radiator

Vehicles listed
MERCEDES BENZ S CLASS
MERCEDES-BENZ MERCEDES-BENZ

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