rbdett

Hi guys ive done around 2000 miles in my c63 & have noticed that when the car is idling it seems like the car is running lumpy if that makes any sense the revs on the dash are normal. But the engine seems as if its about to stall but doesnt then I have to rev it to clear out the throat anyone had any similar issues please let me no thanks

cptdaz

New car? Could be gas related or sign of a more serious problem. Try higher grade gas or another gas station, if it doesn't go away, you should take it into the shop.

NellyRod

Check your engine oil level. Mine did the same thing when the dealership put an extra quart of oil in the engine.

callmiro

Crap gas....top it up with high octane and dump a bottle of octane boost in

Ahmed

Same here, just picked up my 2013 yesterday, the idle is intermittently lumpy. Will take her in next week and see what happens. This can't be normal.