S55 AMG, S65 AMG , S63 AMG (W220, W221) 2001 - 2013 (Two Generations)

Strange smell on acceleration?

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Old Jul 3, 2015 | 11:59 AM
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Strange smell on acceleration?

I'm in a 2005 S55. When I hammer the throttle I get a slight wiff of a burnt smell in the cockpit. Is that normal. No smell any other time, only when I lay into it.
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Old Jul 3, 2015 | 02:13 PM
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Maybe burnt fecal matter? Chk ur shorts J/K.... Could be belt slip causing burning odor as SC'r engages coming thru air vents etc..
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Old Jul 4, 2015 | 07:15 AM
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Yeah that makes sense, I mean the belt slipping part.
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Old Jul 4, 2015 | 12:17 PM
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Since you like to hammer it

You might also want to change

the Supercharger oil as it is most

likely the original oil from the factory


Thank-You
D.B.


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Old Jul 6, 2015 | 08:17 AM
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Good thinking D.B. but the guy I got it from within the last three years replaced the pulley bearing, belts, blower coolant pump, and oil. Must just be the belt slipping a bit.
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Old Jul 6, 2015 | 01:18 PM
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Originally Posted by Soylent Green
Good thinking D.B. but the guy I got it from within the last three years replaced the pulley bearing, belts, blower coolant pump, and oil. Must just be the belt slipping a bit.
Try a better non slip belt I think "Gator" belts makes 1 for this eng... Not sure on this maybe 1 of the reg's in your forum will chime in
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Old Jul 6, 2015 | 02:58 PM
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Thank you I will look into the Gator belt.
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Old Jul 6, 2015 | 04:33 PM
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Please post what resolved the problem


Thank-You
D.B.


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Old Jul 6, 2015 | 04:45 PM
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I had the same problem and got rid of it with changing supercharger oil
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Old Jul 6, 2015 | 06:15 PM
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Thanks, I think I will start with changing the supercharger oil. This belt has less than 15k on it and I think it should be good. I'll look into changing the oil and then update.
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Old Jul 6, 2015 | 07:39 PM
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I would also check for any leaks

on any lines / seals

around / on the supercharger

Might be a very small pinhole

that on WOT may spray a

small amount of oil which

is what you are smelling


Thank-You
D.B.


`
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Old Jul 6, 2015 | 09:35 PM
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Thanks for the tip D.B. I will consult the star service library and see if I can figure out how to check for this. I have a fair amount of mechanical experience but this car will be a challenge. Thanks again for the encouragement.
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