NHTSA Recall 21V639000: Software (air bags)
Mercedes-Benz USA, LLC reported this safety recall to NHTSA on , covering an estimated 66 vehicles. It affects 2020 Mercedes-Benz GLB 250.
| NHTSA campaign | 21V639000 |
|---|---|
| Manufacturer campaign | 2021080019 |
| Component | AIR BAGS › AIR BAG/RESTRAINT CONTROL MODULE › SOFTWARE |
| Report received | August 13, 2021 |
| Owner notification | September 17, 2021 |
| Initiated by | Manufacturer |
Defect
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. In the event of a crash, the air bag control unit software may not activate the front seat belts and front passenger air bag properly.
Safety risk
Air bags and seat belts that do not function properly can increase the risk of injury in a crash.
Remedy
Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Vehicles covered by recall 21V639000
| Make and model | Model years |
|---|---|
| Mercedes-Benz GLB 250 | 2020 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.