Vehicle recall 21V404000 · May 28, 2021
2020 Mercedes-Benz GLB 250
The side curtain air bags may not deploy properly during a crash.
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 GLB250 vehicles. The side curtain air bags may not deploy properly during a crash.
- Consequence
- Air bags that do not deploy as intended can increase the risk of injury.
- Remedy
- Dealers will replace the side curtain air bags, free of charge. Owner notification letters were mailed on September 24, 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
- 21V404000
- Reported to NHTSA
- May 28, 2021
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign
- 2021080012
- Owner notification
- September 24, 2021
- Vehicles potentially affected
- 16
- Initiated by
- the manufacturer
- Components
- Air bags › Side/window › Curtain
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 GLB 250 (2020): 2020
Has your Mercedes-Benz been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. Recall repairs are free.