Mercedes-Benz A 220 2019–2021 — technical service bulletin
Bulletin NCU-2020080023 · NHTSA communication 10179976 · issued Aug 28, 2020
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2019–2021
model years
11
vehicle entries
Official summary
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that certain MY 2019-2021 A-Class (177 platform), CLA-Class (118 platform), GLA-Class (247 platform), and GLB-Class (247 platform) vehicles might not be equipped with a means to check the wear status of the brake pads on the rear axle. Furthermore, information regarding the brake gauge and its operation might not be included in the owner's manual.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.