2020 Mercedes-Benz GLB 250 Recall: Side curtain air bags may not deploy properly during a crash
NHTSA campaign 21V404000 · Air Bags · filed May 28, 2021 · verified Jul 30, 2026
The defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. The side curtain air bags may not deploy properly during a crash.
The risk
Air bags that do not deploy as intended can increase the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mercedes-Benz | GLB 250 | 2020 |
Related recalls
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All Mercedes-Benz GLB 250 recalls → · All Mercedes-Benz recalls →
Source: NHTSA recall database, campaign 21V404000 (manufacturer number 2021080012). Data last verified Jul 30, 2026.