w 164 ml 350 2010 sticky throttle

[brewy]

Evening all,got a sticky throttle on my ml w164 it's getting really annoying ticking over high I keep having to pull the pedal up with my foot.any ideas any one? Thanks in advance

 

[evansaj23]

I am having the same problem, only when cold on mine though, once up to temperature it drives perfectly. Start up in a morning ticks over at 750-800 start drinking and you can feel it trying to drive itself, come to a junction I have to knock it into neutral and the revs are up in the 1100 - 1200 rpm, place my toe under throttle pedal and gently pull up it will drop to 900 ish. Sorry I can't help with yours, I am leaning towards the pedal on mine but at £150 it's on expensive guess.
Have had it plugged into two diagnosis machines 1-snapp-on 2- text both would let me into faults but no codes where stored and no warning lights are coming on.
Is this anything like what you are experiencing?

 

[kid-jensen]

If you can get the correct ticvkover by physically lifting the pedal, it can only be a return spring issue.
Make some basic checks for unlubricated joints and swivels, carpet binding etc before you open your wallet.

I don't know if the return spring is internal to the Accelerator position sensor, but if it's broken or missing, it should be easy to cobble-together an effective return spring and save the wear on your Jimmy Choos....