NHTSA campaign 21V789000 · Manufacturer campaign 2021100010
Mercedes Benz Recall 21V-789: Deactivated Front Passenger Air Bag
NHTSA recall 21V789000 (Manufacturer campaign 2021100010) was reported by Mercedes-Benz USA, LLC on October 11, 2021, with 1,311 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz S 500 and Mercedes Benz S 580 for the 2021 model year. Owners were notified on December 1, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V789000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Mercedes Benz VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V789000 (also written 21V-789 or 21V789)
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign number
- 2021100010
- Report received
- Potentially affected
- 1,311 vehicles (per NHTSA)
- Component
- Air Bags — Sensor — Occupant Classification — Front Passenger
- Owners notified
Repair completion: 98.25% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V789000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mercedes Benz
All Mercedes Benz recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V789000.
Defect description
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 consequence
A deactivated passenger air bag increases the risk of injury during a crash.
Manufacturer 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.
Sources
Official NHTSA notice for recall 21V789000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.