M264 engine cylinder head and valve seat failure
ENGINE
20 NHTSA complaints · 2021-10 → 2026-08
“At approximately 87,000 miles, my 2021 GLE350 (M264 2.0T engine) experienced a severe engine misfire resulting in a flashing check engine light, rough idle, engine shaking, significant loss of power, and near-stall condition. The vehicle was taken to Speedhaus Automotive…”
“Our vehicles engine has stopped running on two different occasions, resulting in a very scary near miss accident situation. The first time this happened was it 22,000 miles, the engine shut off as a result of a failure in the engine cylinder head valve that burned up, causing…”
“There is a known issue with the Cylinder Heads on specific models of Mercedes vehicles. Symptoms of M264 Cylinder Head Failure If your GLE 350 is experiencing these symptoms, it may be covered under the extension: Check Engine Light (MIL): Often triggered by misfire codes.…”
“Complete engine failure in traffic. Prior to vehicle stopping it did not give me any message that the vehicle was having a problem. The total milage on the vehicle is 21,908. Other than being told the engine has to be replaced, I have been given no information upon what…”