NHTSA (USA)High Risk
2020 MERCEDES-BENZ GLB 250NHTSA Campaign #21V526000
The official notice
Defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB 250 vehicles. The accessory power outlet for the second-row seating may have excessive voltage due to an incorrect voltage converter socket.
Safety Risk
Excessive voltage through the accessory power outlet to a connected device can increase the risk of a fire.
Remedy
Dealers will inspect and replace the voltage converter, as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021080005.
1,690 vehicles affectedMfr ref: 2021080005Updated June 10, 2026