The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB 250 and AMG GLB 35 vehicles. The driver-side window air bag may not have been mounted correctly to the lower area of the A-pillar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "Ejection Mitigation."
The risk
The driver-side window air bag may not function properly during a crash, increasing the risk of injury.
The fix
Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge. Owner notification letters were mailed December 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall details
| NHTSA campaign | 21V-860 (21V860000) |
|---|---|
| Manufacturer number | 2021110014 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Air bags › Side/window |
| Report date | November 5, 2021 |
| Owners notified | December 21, 2021 |
| Vehicles affected | 46 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the air bags
Frequently asked questions
Is the recall 21V-860 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge. Owner notification letters were mailed December 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 46 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.