M reg C200 Problem......any ideas?

[F40 KEV]

Hi All,

A friends C200 has an idling problem whereas the car hunts at tick over and occasionally stalls even once hot? Checked all the usual suspects, plugs, leads, vacuum pipes ect but no joy. Ideas anybody??

[F40 KEV]

Throttle body it clean. Thats the first thing we checked. Is there any way of checking the air mass sensor?

Thanks

[F40 KEV]

Great, thanks for the advice.