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Data through Oct 2026
Campaign 21V-639

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

View NHTSA filingAll Mercedes-Benz campaigns
Defect summary

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.

Consequence

Air bags and seat belts that do not function properly can increase the risk of injury in a crash.

Remedy

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.

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.

Source: NHTSA ODI recalls file, campaign 21V639000. Text as published by NHTSA.
Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about airbags on these vehicles: 4, of which 1 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 21V-639
MakeModelModel yearsComplaints on this component
Mercedes-BenzGLB 25020204
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.