Von Zip

My car started fine and drove fine for about 15 minutes then at stop lights it would hesitate and seem to slip and over rev. Finally, at the next light it would not go forward and engine revved like it was not in gear. Changing gear selector from D to N to R or park made no difference. A friendly motorist helped push the car out of any danger. I left the car (due to business meeting) for about 3 hours. It started up and went in gear as normal. What is going on? I can't trust this car this way.

skylolow

Any warning lights on??

Have you done anything recently with the car (ie: removed the air intake)???

Von Zip

Found Accelerator sensor was bad. All is well again.

ak.luv2xlr8

That was a quick fix, well done!

When you had the issue, did you try engine on/off or did you just park up?

How did you find out it was the accelerator sensor, did you use diagnostic?

nice one!

Von Zip

Yeah, tried all you suggested.
A friend had a code reader and it said the accelerator sensor was shot.
Got new one from MB dealer 100 mi away the next day and got it installed by a local indy mechanic.
He also updated needed programming. Overall cost was about $820.00