unsteady

Hi Guys, I've been a happy driver of a E Class Mercedes 60 plate Avantgarde for nearly 11 months now. Bought it a week after passing my driving test and have done over 20,000 miles in it since (there's a baptism for you!). It generally drives well, but am having few issues which are...

I noticed whilst sat on the Glasgow circular car park ( otherwise known as the M8) that when at idle my engine has for a few moments been varying by about 100rpm whilst sat still. This is something that's quite intermittent and despite my best efforts to cause it I've been unable to replicate it...

Hi all, Problem is following: a bit unsteady idle when engine is warming up, at coolant temperature aproximately from 30*C - 60*C. NB!!! Problem is appearing only at outside temperatures +5*C and lower. Above +5*C, not a sign of a problem. Detailed description: Perfectly (cold)starts even at...