My '96 E320 has got an uneven idle, running between 500-1500 when warm. My workshop changed the petrol-return-valve which helped a bit, but the problem is not solved.

My workshop (autorized MB) now says they have to change the entire "throttle-device", which is really expensive ($3.000).

But when I look into web-sites offering spare parts, I see that there is a separate Air Mass Meter ($300) and Throttle-valve(or Actuator?) ($1.200).

Most people I ask indicate that this problem most probably is caused by weared-out air-mass-meter.

Anybody knows if this easily could be replaced by my self to see if the problem goes away?

Thanks for replies!

Cheers
PÃ¥l

 

It is very easy to replace the Air Mass Meter in your car.

When was the last time your car had a tuneup? When was the last time fuel filter was replaced? Fuel filter is very inexpensive. Make sure your fuel filter is OK before you start replacing expensive parts.