Mercedes-Benz power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.
The short version
Mercedes-Benz USA, LLC reported a problem with the automatic transmission control module (tcm/pcm/tecm). Here is what owners need to know.
The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.
If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.
MBUSA will notify owners, and dealers will replace the transmission control unit, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 21V-033.
| YEAR RANGE | MODEL |
|---|---|
| 2019 | Mercedes-Benz GLA-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.