NHTSA (USA)High Risk
2021 MERCEDES-BENZ S 500NHTSA Campaign #21V789000
The official notice
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.
1,311 vehicles affectedMfr ref: 2021100010Updated June 10, 2026