c280 1997 when car is warm hesitates - Mercedes-Benz Forum

 
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post #1 of 1 (permalink) Old 08-16-2011, 07:37 AM Thread Starter
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c280 1997 when car is warm hesitates

Hey everyone, my c280 1997 has got a problem and my mercedes mechanic cannot find the problem after 4 weeks!
When the car is cold and on idle everything is fine I can drive it in town and on the highway, but as soon as the car warms up after more or less 15 minutes it starts hesitating has no power and I cannot go over 2 rpm, 20 km/h (10mph).

This started happening after I got stuck in traffic during a big storm, rain was pouring hard and the roads were flooded.

We thought it could be the catalytic converter or the oxygen sensor but we completely took off the exhaust pipes from the manifold and tried to run the car without it but the problem persists.
We also checked the spark plugs and coils, the wires, the air filter, engine wiring harness, all of those are fine.
We also ran diagnostics on the car and it did not give any particular code.

I am open to any input.

Thanks
Jeffrey

Last edited by Jeffrey76; 08-19-2011 at 07:16 PM.
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