Engine misfire and cylinder failure with power loss
ENGINE
4 NHTSA complaints · 2024-02-09 → 2026-08-08
“My 2021 Mercedes-Benz E350 (VIN [XXX] ) developed a serious engine issue involving cylinder misfire and check engine light. The dealer diagnosed it as a leaking exhaust valve on cylinder 4, related to TSB LI01.30-P-072328, which documents valve seat wear in M260 engines”
“The engine is misfiring and not powering correctly during driving. Car is failing to take off and today almost caused an accident due to the car would not pull off from the traffic light with oncoming traffic due to loss of power”