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weird shaking

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Old Oct 30, 2012 | 04:20 PM
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From: morgan hill ca
2010 c300
weird shaking
I have noticed lately that when I start my car and its idling the car feels like is rocking side to side and not sure if thats normal? I have also noticed that it happends at a stop light every once in a while.

anyone experiance this before?

my car is a 2010 c300 sport
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Old Oct 30, 2012 | 07:29 PM
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W204
Could be a dirty fuel and you might need to check the fuel pump, the C series has a known issue with that.
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Old Oct 30, 2012 | 10:46 PM
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From: morgan hill ca
2010 c300
Originally Posted by Mercw204
Could be a dirty fuel and you might need to check the fuel pump, the C series has a known issue with that.
Thanks for the response! I fill up at the same chevron just about every time but I guess it's possible they got a bad batch of gas? I will let the dealer know about the symptoms when I get my oil changed. Thanks
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Old Oct 31, 2012 | 12:11 AM
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'08 Mercedes C300
It could be the oil system pressurizing. Do you hear a knocking noise for a few seconds when you first start your car as well?

It could just be all the Giants fans too
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Old Oct 31, 2012 | 12:40 AM
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From: morgan hill ca
2010 c300
Originally Posted by Domm
It could be the oil system pressurizing. Do you hear a knocking noise for a few seconds when you first start your car as well?

It could just be all the Giants fans too
No knocking sounds at all.

Giants ftw lol
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Old Oct 31, 2012 | 03:58 PM
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C204
Same problem here - resolved with quality premium fuel (100 octane). Crap fuel led to shaking of the car while the RPMs were dropping after a cold start.
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Old Oct 31, 2012 | 08:07 PM
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From: morgan hill ca
2010 c300
Originally Posted by dol4er
Same problem here - resolved with quality premium fuel (100 octane). Crap fuel led to shaking of the car while the RPMs were dropping after a cold start.
Thanks for the reply!

I'm hoping it was just a bad batch of gas because I would rather not spend 9 dollars a gallon for 100oct lol gotta love CA 91 lol
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