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Mercedes-Benz GLA 250 Recall 21V033: Transmission May Shift Into Neutral While Driving

NHTSA campaign 21V033, reported January 29, 2021, 4 vehicles potentially affected.

What this recall means for you

On certain 2019 vehicles, the power supply to the automatic transmission control unit can be interrupted while driving. This may cause the transmission to shift into neutral.

If the transmission shifts into neutral, the vehicle loses drive power, which increases the risk of a crash.

The remedy is free of charge: an authorized dealer will replace the transmission control unit. Owners can also contact Mercedes-Benz USA customer service at 1-800-367-6372, and should check their VIN for any 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 21V033Mercedes-Benz USA, LLC
Component
POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 GLA 250 vehicles. The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.
Risk
If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.
Remedy
MBUSA will notify owners, and dealers will replace the transmission control unit, free of charge. The recall began March 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020038.
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.safercar.gov.

Affected vehicles

Mercedes-Benz GLA 2502019