Service bulletins for the 2014 Mercedes-Benz B-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.
31 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| LI54.18-P-057927 | 2019-11-12. Service bulletin. ENGINE AND ENGINE COOLING. Engine diagnosis warning lamp is active. One or more of the faults listed under 'Control unit / Fault code' relating to the throttle valve actuator (M16/6) and/or oxygen sensor (G3/1 and/or G3/2) are stored in the engine control unit. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.