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Service bulletin SC-2013010001

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 id10051992
Published by NHTSA2013-04-29
Manufacturer's numberSC-2013010001
Manufacturer's date2013-02-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

MERCEDES: DUE TO LEFT AND RIGHT SECONDARY CHAIN TENSIONERS, OF THE CHECK VALVE, BEING INSTALLED AND PRESSED DEEPLY INTO CYLINDER HEADS, THE OIL SUPPLY CAN NOT BE ENSURED FOR CYLINDER HEAD, AND CHECK VALVE, OF LEFT AND RIGHT SECONDARY CHAIN TENSIONERS, MUST BE REMOVED. MODELS 2013 207(E350, 550), 212 (E350, 550, 63), 218 (CLS550, 63), 221(S550, 600, 65, 63, 400, 450, 350), 231 (SL). *PE

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 SL-CLASS2013
MERCEDES-BENZ E3502013
MERCEDES-BENZ S5502013

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