idle control valve

Hi, New poster here so apologies if i'm posting in the wrong section. Over a month ago I took ownership of a 1992 Mercedes 190E 1.8 with 64k miles on the clock. She's been well looked after and garaged her whole life. Everything has been fine except she has odd startup behaviour and i'm...

Hi I'm looking at a UK 1988 300SL for a friend. He has a cold running problem ( tick over at 500RPM) He's changed the cold start valve still the same... it has a feed I have put a feed across the idle control valve and runs better I need the following info 1. a Wiring Diagram...