Machnumber2 i have the same problem, but mine is a 300e. i have been to 3 different (MB Specialist)mechanics but they couldnt solve my cold start problem. i spend thousands changing parts that didnt solved the problem(fuel filter,OVP, cold start relay, plugs & wires. fuel pump relay....etc. they even want to change my cat and fuel pump. so iwent to my mechanic for my van(which is not an MB specialist). he said all i need is a coolant temp. sensor. iam gonna get the parts tommorow so i'll let you know. coz i know i how frustrating it is spending money on uneccessary parts.