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Mercedes-Benz GLB 250 Recall 21V526: Rear Power Outlet Can Overheat and Cause a Fire

NHTSA campaign 21V526, reported July 12, 2021, 1,690 vehicles potentially affected.

What this recall means for you

The 12-volt accessory power outlet for the second-row seats may receive excessive voltage because of an incorrect voltage converter socket. This excess voltage can pass through the outlet to a plugged-in device.

This raises the risk of a fire. Owners should stop using the rear accessory outlet until the vehicle has been repaired.

Authorized dealers will inspect the voltage converter and replace it if needed, at no cost to you. Owners were notified by letter starting September 3, 2021, and can call Mercedes-Benz USA customer service at 1-800-367-6372. You can also check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V526Mercedes-Benz USA, LLC
Component
ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER
Problem
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.
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.
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.

Affected vehicles

Mercedes-Benz GLB 2502020