2020 Mercedes-Benz GLB 250 Recall: Accessory power outlet for the second-row seating may have excessive…
NHTSA campaign 21V526000 · Electrical System · filed Jul 12, 2021 · verified Jul 30, 2026
The 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.
The risk
Excessive voltage through the accessory power outlet to a connected device can increase the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mercedes-Benz | GLB 250 | 2020 |
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Other campaigns involving Mercedes-Benz vehicles
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All Mercedes-Benz GLB 250 recalls → · All Mercedes-Benz recalls →
Source: NHTSA recall database, campaign 21V526000 (manufacturer number 2021080005). Data last verified Jul 30, 2026.