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Mercedes-Benz A 220 Recall 23V732: Rear brake pad wear gauge may be missing, raising crash risk

NHTSA campaign 23V732, reported November 1, 2023, 42,742 vehicles potentially affected.

What this recall means for you

Certain Mercedes-Benz A-Class, CLA, GLA and GLB models from 2019 to 2021 may not have the tool needed to check how worn the rear brake pads are. The owner's manual may also lack instructions for using that tool. Because of this, these vehicles do not fully meet federal brake safety requirements.

Driving with worn brake pads can reduce braking performance and increase the risk of a crash. Owners may not be able to easily tell when the rear pads need replacement.

Authorized Mercedes-Benz dealers will install the inspection gauge and provide supplemental owner's manual information at no cost. Owners can contact Mercedes-Benz USA customer service at 1-800-367-6372, and can check their vehicle identification number (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 23V732Mercedes-Benz USA, LLC
Component
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2020 A220, 2020 CLA250, GLB250, AMG A35, AMG CLA45, AMG CLA35, and 2021 GLA250 vehicles. The vehicles may not be equipped with an inspection gauge to check the wear of the rear brake pads. In addition, information for using this inspection gauge might not be included in the owner's manual. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."
Risk
Driving with worn brake pads can reduce braking ability, increasing the risk of a crash.
Remedy
Dealers will install an inspection gauge and provide supplemental owner's manual information, free of charge. Owner notification letters were mailed on February 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
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 A 22020192020
Mercedes-Benz AMG A352020
Mercedes-Benz AMG CLA352020
Mercedes-Benz AMG CLA452020
Mercedes-Benz CLA 2502020
Mercedes-Benz GLA 2502021
Mercedes-Benz GLB 2502020