S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Auto RX???

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Old Aug 14, 2009 | 01:31 AM
  #1  
MILIN1609's Avatar
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From: GA
2001 S430
Auto RX???

I have a 2001 S430 with 130000 miles. It has rough idling. I came across a product called Auto RX. Has very positive testimonials. Has anyone tried it in S 430's? Give me your thoughts, please. Thanks.
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Old Aug 14, 2009 | 09:00 AM
  #2  
Quadcammer's Avatar
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From: Clifton, NJ
96 and 08 911 turbos
no.

There is a reason you have a rough idle, and autorx or any other snake oil products are not going to fix it.

First you'll need to determine whether its a spark, fuel or compression problem, then you can apply the appropriate solution.
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Old Aug 14, 2009 | 11:05 AM
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Kar don's Avatar
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Mercedes-Benz
If it's too good to be true...

Could be your motor mounts, probably shot at that age and mileage.
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Old Aug 14, 2009 | 11:22 AM
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Oxygen's Avatar
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W220 S65 AMG
Do not pour anything like that into your Mercedes V8 engine... Diagnose the problem like Oliverk said!
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