Vehicle recall 21V771000 · October 1, 2021
2020 Mercedes-Benz GLS 580 4MATIC
The air bag control unit software may be programmed incorrectly, which can cause the driver's air bag to deploy improperly.
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 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.
- Consequence
- An air bag that does not deploy properly during a crash can increase the risk of injury.
- Remedy
- 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.
- 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
- 21V771000
- Reported to NHTSA
- October 1, 2021
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign
- 2021100001
- Owner notification
- October 29, 2021
- Vehicles potentially affected
- 3
- Initiated by
- the manufacturer
- Components
- Air bags › Air bag/restraint control module; Air bags › Frontal
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 GLS 580 4MATIC (2020): 2020
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