Service bulletins for the 2004 Mercedes-Benz S-Class
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.
19 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| 2005110002 | 2006-01-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. INSPECT CATALYTIC CONVERTER, REPLACE IF NECESSARY, DUE TO THE STEEL MATERIAL USED TO MANUFACTURE THE CATALYTIC CONVERTER HOUSING DID NOT MEET DIN SPECIFICATIONS AND COULD LEAD TO A NOISE COMPLAINT. *TT |
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| 2004070012 | 2004-10-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPLACEMENT OF ABC PRESSURE SUPPLY VALVE UNIT HYDRAULIC LINE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.