There are 3 owner-reported engine complaints for the 2020 Mercedes-Benz E-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The AC compressor failed in traffic causing the engine to lock up and not restart.
While driving on the highway the engine shut down and I needed to pull over and restart the car. The engine would restart but then stalled several more times while driving. No check engine lights were on before the vehicle stalled and upon restarting the car no check engine lights turned on. I have it at the dealership currently but they can't look at it until December because of their backlog of repairs.
On October 2, 2021, car caught fire in the engine compartment while car was turned off under carport of home. Car mileage was 18,000. The car was serviced by Mercedes of Marin and driven approximately 25 miles after the service when incident occurred. No warning lamps or messages appeared. Fire damage to carport and garage of house and fence and gate. Allstate, the insurance carrier is performing a fire inspection of the vehicle.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026