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Mercedes-Benz door lock switch may let vehicle roll away

NHTSA campaign 26V481000 · Reported 2026-07-24 · Mercedes-Benz USA, LLC · high severity what's this?

Affected vehicles

What's wrong, in plain English

A small switch inside the driver's door lock can corrode over time and stop sensing when the door is opened. That switch is what tells the car to set the electronic parking brake, or Auto-Park, automatically when you get out. If the switch fails, the parking brake may never come on, and the vehicle can roll away by itself after you step out. The dealer replaces the driver's door lock free of charge.

How serious is it?

Serious: a vehicle that rolls away on its own can cause a crash or injure someone, and the notice does not tell you to stop driving, so in the meantime set the parking brake yourself and make sure the car is fully stopped and secured before you get out.

What you should do

1. Search your VIN at nhtsa.gov/recalls to see whether your Mercedes-Benz is included.
2. Call MBUSA customer service at 1-800-367-6372 or your dealer; owner notification letters are expected to be mailed September 18, 2026.
3. Schedule the free driver's door lock replacement once your dealer has the part.

Who to contact

Mercedes-Benz — official Mercedes-Benz recall lookup

Customer service: 1-800-367-6372

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Official notice

Component
LATCHES/LOCKS/LINKAGES:DOORS:LOCK
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically. This may result in a vehicle rollaway.
Safety risk
A vehicle rollaway increases the risk of a crash or injury.
Remedy
Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.