I've got a 1999 W210 E320 M112. 240,000km
Love the car, drives perfect other than a low idle/stumble when slowing down/coasting to a stop or using electrical load. Feels like the RPM isnt adjusting for the electrical load of power windows, A/C, etc, at idle and the car is getting close to stalling out. No codes. Only happens in Drive or Reverse. Also getting some high-ish long term fuel trims but nothing really to get upset about. One anomaly
in the live data is the short term fuel trim...
M112 E320 stumble/rough/misfire at idle *ELECTRICAL LOAD RELATED*
Love the car, drives perfect other than a low idle/stumble when slowing down/coasting to a stop or using electrical load. Feels like the RPM isnt adjusting for the electrical load of power windows, A/C, etc, at idle and the car is getting close to stalling out. No codes. Only happens in Drive or Reverse. Also getting some high-ish long term fuel trims but nothing really to get upset about. One anomaly
in the live data is the short term fuel trim...
M112 E320 stumble/rough/misfire at idle *ELECTRICAL LOAD RELATED*
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