Air bag/restraint control module: softwareRecall 21V-639 · 2020 Mercedes-Benz GLB 250
Mercedes-Benz USA, LLC recall 21V-639 covers 66 2020 Mercedes-Benz GLB 250 for a air bag/restraint control module: software problem, reported to NHTSA on August 13, 2021. The manufacturer's latest report (2023 Q2) shows 95% of affected vehicles repaired.
Source: NHTSA recall 21V639000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLB250 vehicles. In the event of a crash, the air bag control unit software may not activate the front seat belts and front passenger air bag properly.
The risk
Air bags and seat belts that do not function properly can increase the risk of injury in a crash.
The fix
Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
95%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.