2020 Mercedes-Benz A-Class Engine Problems

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 full engine replacement (~$19,000). This failure is consistent with a known defect in the 2.0L M260 engine used in the 2020 A220, involving premature wear of exhaust valve seat rings and valve guides, causing leaking valves, loss of compression, and catastrophic engine failure. Mercedes-Benz of Georgetown performed a warranty cylinder head replacement on this same engine just five months prior (12/09/2025). The vehicle has been serviced primarily at the authorized Mercedes-Benz dealer, driven under 10,000 miles/year, and purchased new in January 2020. Mercedes-Benz USA has acknowledged the defect by covering engine parts but is refusing to cover $6,733.38 in labor costs, leaving me with a $5,000 out-of-pocket expense for their manufacturing defect. Case Number: 22307804.”

The first incident: upon departing from our location and pulling out onto the highway, the car's check engine light appeared, and immediately went into "limp mode." This occurrence caused the car to not go over 9 miles per hour. After this occurred, we placed the hazard lights on immediately to find a safe place to pull over to. Being that this incident occurred very suddenly, oncoming traffic was forced to go around us, thus placing us unnecessarily in harm's way. After arriving to a safe location, MBUSA Roadside Assistance was notified, and the car was then towed back (over 350 miles) to the certified dealership for repair. After inspection, the cause was determined to be a malfunction in the software of the car. The check engine light was reset, and the car was returned. Three weeks later, the check engine light returned without warning. The car accelerates very roughly and slowly, thus placing us in danger as we do not know if the car is going to go into "limp mode" at any given moment. After being towed to the same certified dealership, we were told it was a "software malfunction" for the fuel pressure system. We were explicitly told that there is NO FIX for the fuel pressure sensor, and that each time this occurs, we are to have it brought into the dealership for the code to be erased and the car to be re-released to us, each time stating the "vehicle is safe to drive," which is incorrect. The car has been inspected 3 times within the past 90 days, 2 of those times resulting in a tow to the dealership. MBUSA is aware of the issue, but states they cannot fix it. This hazardous issue places us at risk due to the fact the sensor can go back out at any time without any warning, resulting in an involuntary loss of control of the vehicle placing our lives and others' lives at stake. MBUSA Headquarters has been notified of the issue twice with the vehicle as we have requested assistance with this, but have received no help, guidance, or resolutions.

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 leak back through electrical connections, creating circuit issues and a fire risk. I paid $2,902.65 out-of-pocket at a certified service center to have all four OEM fuel injectors replaced (invoice available). Later, I took my car to a Mercedes-Benz dealership, where they performed additional work on the fuel injector system at no cost to me. The service advisor stated that this was covered under a recall/service campaign related to the fuel injector defect. This shows Mercedes-Benz has already acknowledged that my car was affected by the exact same issue covered under Recall 21V961000. However, I was told my VIN [XXX] ) is not officially included in the recall population, and Mercedes-Benz USA has declined to reimburse me for the $2,800+ repair. I believe my vehicle should have been included in the recall population and request that NHTSA review whether the recall scope should be expanded. I also request reimbursement for the repair costs I incurred prior to Mercedes-Benz performing the recall-related fix for free. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The car shakes above 60mph