Mercedes-Benz threaded connection between the camshaft idler gear and the crankcase may be improperly tightened, possibly causing the idler gear to detach from the crankcase.
The short version
Mercedes-Benz USA, LLC. reported a problem with the engine gasoline. Here is what owners need to know.
The threaded connection between the camshaft idler gear and the crankcase may be improperly tightened, possibly causing the idler gear to detach from the crankcase.
A detached idler gear can damage the engine, resulting in a stall and increasing the risk of a crash.
MBUSA will notify owners, and dealers will replace the engine, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 19V-821.
| YEAR RANGE | MODEL |
|---|---|
| 2018–2019 | Mercedes-Benz S-Class |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
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MyAutoRecalls is not affiliated with Mercedes-Benz USA, LLC. or the National Highway Traffic Safety Administration.