C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

W203 Funny noise...

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Old Dec 6, 2010 | 03:52 AM
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BigAlC230K's Avatar
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From: Southern California
2005 Mercedes Benz C230K SS
W203 Funny noise...

I have a 2005 C230 Kompressor. This morning before i went to work... I turned on my car... warmed it up a bit... but as soon as I put it in reverse, I noticed a "slight vibration" and weird noise? (more than likely, engine area)

Surprised/shocked, I put it in park and it went away. I then put it in drive while pressing on the brake and noise persisted. Same when I did it in reverse, with foot on brake.

It seems to be happening when I have it in drive or reverse, but ONLY when I have my foot on the brake.

Looks like I have to have that checked out asap on my next day off.

With the "FEW" minor details that I have provided, has anyone had this problem and what was the outcome?
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Old Dec 6, 2010 | 05:15 AM
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LILBENZ230's Avatar
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2019 G70 6MT & 2022 Ford Maverick XL
What kind of funny noise? These old Kompressor models have vibration issues in reverse, but given that you own it I'm sure you're aware of what is normal.
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Old Dec 6, 2010 | 01:06 PM
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BigAlC230K's Avatar
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From: Southern California
2005 Mercedes Benz C230K SS
The way this person describes it sounds like my problem!

https://mbworld.org/forums/c-class-w203/365595-very-loud-clanking-noise-engine-belt-drive-compressor.html
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Old Dec 15, 2010 | 12:27 PM
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BigAlC230K's Avatar
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2005 Mercedes Benz C230K SS
It ended up being alternator issue. Had it replaced yesterday, she's good as new...
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