NHTSA (USA)Critical
2019 MERCEDES-BENZ GLA 250NHTSA Campaign #21V033000
The official notice
Defect
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.
Safety 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.
4 vehicles affectedMfr ref: 2021020038Updated June 10, 2026