The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS 580 vehicles. The air bag control unit software may be programmed incorrectly, which can cause the driver's air bag to deploy improperly.
The risk
An air bag that does not deploy properly during a crash can increase the risk of injury.
The fix
Dealers will replace the air bag control unit, free of charge. Owner notification letters were mailed on October 29, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall details
| NHTSA campaign | 21V-771 (21V771000) |
|---|---|
| Manufacturer number | 2021100001 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Air bags › Air bag/restraint control module |
| Report date | October 1, 2021 |
| Owners notified | October 29, 2021 |
| Vehicles affected | 3 |
| Initiated by | Manufacturer |
Vehicles covered
Frequently asked questions
Is the recall 21V-771 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will replace the air bag control unit, free of charge. Owner notification letters were mailed on October 29, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 3 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.