when cold car starts and idles rough for a few seconds and dies. on 2004 Mercedes-Benz C230

on restart it runs fine

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers 3 comments
may be a bad cold start valve.
That would be nice if it had a cold start valve!
There is your problem, your cold start valve is missing!
poss cold start valve or water in cyl's
That would be nice if it had a cold start valve!