C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

clicking noise

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Old 05-14-2017, 01:19 PM
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2010 c300
clicking noise

whenever i start my car or while its at idle i hear this clicking noise coming from somewhere in the engine compartment. i have no idea what it is but it seems to be getting a little louder as time goes on. the car runs perfectly fine so i don't think its anything to worry about, hopefully, but its just annoying and i would love any feedback on what it could possibly be.
Old 05-14-2017, 05:02 PM
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2007 W204 220CDI Classic Sedan
Open the hood & with a good flash light see where it is coming from.
A stethoscope may be handy for diagnosis.
Old 05-17-2017, 06:52 AM
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A car
Compressor clutch for the AC system?

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