NHTSA Recall 21V789000: Air bags: front passenger and software (air bags)
Mercedes-Benz USA, LLC reported this safety recall to NHTSA on , covering an estimated 1,311 vehicles. It affects 2 models including the Mercedes-Benz S 500.
| NHTSA campaign | 21V789000 |
|---|---|
| Manufacturer campaign | 2021100010 |
| Components | AIR BAGS › SENSOR › OCCUPANT CLASSIFICATION › FRONT PASSENGER; AIR BAGS › AIR BAG/RESTRAINT CONTROL MODULE › SOFTWARE |
| Report received | October 11, 2021 |
| Owner notification | December 1, 2021 |
| Initiated by | Manufacturer |
Defect
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 S500, S580, and Maybach S580 vehicles. The air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag.
Safety risk
A deactivated passenger air bag increases the risk of injury during a crash.
Remedy
Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed December 1, 2021. MBUSA's number for this recall is 2021100010. 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 21V789000
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.