Mercedes-benz A-class Engine Problems
21 owner complaints filed with NHTSA across 4 model years.
Complaints by Year
Worst year: 2019. Best year: 2022.
Owner Reports
A representative sample of complaints filed with NHTSA.
The car shakes above 60mph
While driving at highway speed, I experienced a sudden loss of engine power with no warning. This created an immediate safety hazard for myself and other drivers. The vehicle was diagnosed by Mercedes-Benz of Georgetown as requiring a fu...
Thermostat failed making car over heat also sunroof failed due to cheap rolling up shade device getting stuck , when car was less than 4 years old with very little use.
While driving the car shuts off and unable to restart. It will turn over but not remain started enough to move the vehicle. I did notice it jerk when speed was increased a few times before. Fuel pump was replaced less than a year ago acc...
My 2020 Mercedes-Benz A220 experienced the same defect described in NHTSA Recall 21V961000 (fuel injector leakage and potential fire hazard). In March 2023, my vehicle was diagnosed with leaking fuel injectors that were causing fuel to ...
August 2024 the dealership had my vehicle for over a month for major engine repairs after the motor mount snapped on the freeway and since then I only drove 3661 miles and I’m now convinced that they miss diagnosed and missed something...
While driving my lease vehicle on two separate days, it completely shut down while in motion with no prior warning. The first incident occurred while crossing a MAX train intersection in downtown Portland. The engine stopped mid intersec...
The contact owns a 2019 Mercedes-Benz A220. The contact stated that while driving at an undisclosed speed, the vehicle briefly began to shake and vibrate violently, after which there was an abnormal odor inside the vehicle. The vehicle r...
The car shakes, vibrates and has rough idling. My engines stalls when it is at low rpm. I am afraid that if this is not fixed a fuel leak could occur in the presence of an ignition source, such as hot engine or exhaust components, which ...
Unknown vehicle won’t go pass 20mph in first and second gear when in third gear it goes passes 20mph
The contact owns a 2019 Mercedes-Benz A220. The contact stated that upon attempting to refuel the vehicle, the gas cap failed to open. The vehicle was towed to the dealer, where the fuel door intermediate lid was opened, and the contact ...
Failed Cylinder head. Car diagnostic completed. The issue will cause the engine to stall in traffic and have acceleration issues.