Vehicle recall 21V789000 · October 11, 2021
Mercedes-Benz S 500 and S 580
The air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Consequence
- 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.
Recall details
- NHTSA campaign
- 21V789000
- Reported to NHTSA
- October 11, 2021
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign
- 2021100010
- Owner notification
- December 1, 2021
- Vehicles potentially affected
- 1,311
- Initiated by
- the manufacturer
- Components
- Air bags › Sensor › Occupant classification › Front passenger; Air bags › Air bag/restraint control module › Software
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mercedes-Benz S 500 (2021): 2021
- Mercedes-Benz S 580 (2021): 2021
Has your Mercedes-Benz been repaired?
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