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04' SLK230
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80 Posts
Discussion Starter #1
When I drive the SLK (going probably 80mph) the rpms will start to jump in its own.

Like after i stop at a light ill see the rpms kick up and my foot is on the brakes.. or when im driving my speed will just jump up and down do to the rpms jumping.

Anyone know what this is?
 

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2001 SLK230 KOMPRESSOR & 2003 C230 KOMPRESSOR
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44 Posts
mine did that a few times when I first bought it (1 1/2 years ago). It hasn't done it since. And the stealership never told me anything was wrong regarding that problem when they did an inspection/service. I think it was because I wasnt allowing my SLK to warm up enough before driving it. The supercharger was pulling to much power for the cold engine to keep up with (I guess) Also try to keep you A/C off or heater and see if it still does it. I hope this helps, but I'm not that mechanically inclined when it comes to a Mercedes.
 

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2001 SLK320, 2001 C320
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2,267 Posts
Crankshaft position sensor (CPS)? That would be a truly wild guess. Check with Bazzle...he might know for sure...
 
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