Mercedes CL Class Mercedes CL500 and Mercedes CL600 Coupes.

HELP!!! Idle too high at 900 RPM when in Park.

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Old Jan 19, 2008 | 04:22 PM
  #1  
1badzr1's Avatar
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Joined: Jan 2008
Posts: 3
Default HELP!!! Idle too high at 900 RPM when in Park.

Noticed recently when comming to a light or stopping the Idle is a bit high. Is there a rely that controls the idle? If so I would like to replace it to bring the idle back to normal at 500 RPM. This high idel is causing a slight vipration through the complete car. When driving at speed all is fine. This is causing the trans to make a humming sound as well.

Can I replace the idel relay to correct this problem if so where is it?

Has anyone experienced this in their cars if so what was your fix. As stated the car runs fine when moving and in Park. Only in Drive at a stop does the Idle rise to 900 and noise begin.

Thanks
BR[/align]
 
Old Jan 25, 2008 | 08:45 AM
  #2  
CLK500KID's Avatar
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Joined: Oct 2004
Posts: 81
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Default RE: HELP!!! Idle too high at 900 RPM when in Park.

What kind of benz is it? Are you letting it heat up?
 
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