Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Sorry, I should have mentioned it looks like the cam magnet has been done before and it has the superseeded short harness fitted to that magnet. The rest of the harness looks free from oil, right down to the plugs for the oxy sensors..
This problem is so consistant. At a stone cold startup, it starts no trouble, then if you alter the idle ie: putting in to gear or tap the throttle, the throttle body has a tough time stabilising the rpm unitl the coolant temp reads around 30deg C, then everything behaves as it should.