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Speaker Screeching.... Please Help!

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

Speaker Screeching.... Please Help!

Old 02-07-2019, 10:23 AM
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2012 C350 Sport
Speaker Screeching.... Please Help!

Hello everyone, I'm brand new to these boards. I bought a 2012 C350 Sport with 30,000 miles last week.

I've been super happy with the vehicle except something came up on my way to work this morning. I couldn't find anything anywhere on the internet regarding this issue, so I figured I would see if y'all knew what the issue could be. The rear speakers (I think it's the rear deck sub woofer/tweeter), started to crackle... about 10 minutes later an extremely high pitched screeching started to emanate from the rear of the car (It's unbearably loud). Attached is a video I recorded on my phone. It sounds like a grounding issue to me. Has anyone experienced anything like this? I'm not averse to popping a few panels to get at the wiring, just wondering if anyone had anything like this and looking to tap into some experience that someone else might have.

Many thanks!
Attached Files
File Type: mov
Speaker Screech.mov (1.84 MB, 31 views)
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