I just bought a 1990 300CE, it is a nice car and I love it. I want to keep it forever but I don't know what to do with the problems I found so far. My main concern is...I see oil coming out of the exhaust and the exhaust smells like pure carbon monoxide. I don't see any indicator light on the dashboard about the oxygen sensor. The other thing that I want to fix are the moldings on both doors and on the edges of the front and rear bumpers. I seems like whatever is holding them needs to be replaced. Where can I get these things and will it be hard to do it myself? I really don't want to take it to the dealer bec they charge you an arm and a leg to fix it. Anyone who can help would be greatly appreciated.

ok - #1, carbon monoxide doesn't have any smell (which is part of the reason why it is so dangerous). So what you are smelling is something else. I have no clue what it is, but maybe others can help.

As for the door moldings, the dealer sells these for ~$.10 a piece. They can look up part numbers and they should have them in stock.
Good luck!

Peter

Sounds like your burning oil, probably the valve stem seals. This would get better responses in the tech help forum though.

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