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2014 C300 - Heat Squeaking/Chirping

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Old Jan 16, 2024 | 03:00 PM
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2014 C300 Sport / 2022 GLE 450
2014 C300 - Heat Squeaking/Chirping
I recently noticed that when my heat is on, I can hear a chirping/squeaking type of sound. From what I can tell, it comes and goes depending on the fan speed. At full blast it seems to go away.

Uploaded a video here: https://imgur.com/VTWftB5 - You can hear the sound start at around the 8 second mark.
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Old Jan 16, 2024 | 07:54 PM
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W204 2010 C300 4matic Sport M272
When you hear the squeaking open your hood and remove the plastic box above your battery. Check the fan in the dash behind it.
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Old Jan 18, 2024 | 10:15 PM
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2014 C300 Sport / 2022 GLE 450
Originally Posted by TimC300
When you hear the squeaking open your hood and remove the plastic box above your battery. Check the fan in the dash behind it.
Looks like that was it! I'll probably swap it out for one from FCP Euro. https://www.fcpeuro.com/products/mer...tor-2128200708

Thanks!
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Old Jan 19, 2024 | 10:13 PM
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W204 2010 C300 4matic Sport M272
Good choice. It looks like Behr makes the original one.


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