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Old 11-30-2000, 05:01 PM
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Ashman Ashman is offline
Service Advisor
Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,748

I had a similar problem with my jeep. i would start it and it would go up to high revs and wouldn't come down at all sometimes.

I had to have something called the idle speed sensor or something like that replaced. or The Idle Control valve not sure what it was,but since i had that part replaced the car never did it again.

If you can start your car when its in gear, then most likely the the Neutral Safety switch has a problem.

Some cars may not have this feature, but i would assume most cars do.

P.S. i'm not a tech, but just thought this would assist because of the similarity of the problem even though in my case it applied to a jeep and not a benz.

'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.
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