Service bulletins for the 2001 Mercedes-Benz M-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.
6 on file from NHTSA, as of 2026-10-19.
About P2004 on the 2001 Mercedes-Benz M-Class: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P2004 are shown. Show all
| 070735 | 2003-10-02. Service bulletin. ELECTRICAL SYSTEM. AIR MASS SENSOR REPLACEMENT DUE TO CHECK ENGINE LIGHT COMING ON AND CODES P2004, P0170 AND P0173. *TT *MJ |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.