Key Takeaway
Air Bag Control Unit Software Malfunction by MERCEDES-BENZ USA, LLC. was recalled on August 16, 2021. What to do: Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may cont...
Air Bag Control Unit Software Malfunction
Description
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.
Injuries / 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.
Products Affected
Vehicle
VehiclesCompany Information
MERCEDES-BENZ USA, LLC.
Unknown location
View all 425 recalls by MERCEDES-BENZ USA, LLC. →Related Recalls
Park Outside - High Voltage Battery May Catch Fire
February 9, 2026
High Voltage Battery May Catch Fire
December 22, 2025
Loss of Drive Power from Damaged Wiring Harness
December 15, 2025
Incorrect Seat Belt Installed/FMVSS 208, 209
December 15, 2025
Insufficient Pedestrian Warning Sound/FMVSS 141
December 2, 2025
Loss of Automatic Emergency Braking
October 22, 2025
Frequently Asked Questions
Is this recall still active?
Check the status badge at the top of this page. "Ongoing" means the recall is still active and you should follow the remedy instructions. "Completed" or "Terminated" means the recall process has concluded, though the safety issue remains relevant for any unrepaired products.
How do I check if my product is affected?
Compare the model number, lot code, serial number, or date range listed in the recall notice with the information on your product's label or packaging. For vehicles, check your VIN at NHTSA.gov/Recalls.
What remedy is available for this recall?
The listed remedy for this recall is: 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.
Where can I find the original recall notice?
This recall was issued by NHTSA. You can view the original notice using the link provided above.