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Center speaker install

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Old Nov 30, 2021 | 11:00 PM
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2017 C300 sedan
Center speaker install

I bought a match audiotech center speaker UP-s4mb-ctr for 2017 C300.

The steps are as follows: https://m.youtube.com/watch?time_continue=124&v=W3jSsGam1OY&feature=emb_ logo

However, I'm not sure how to install the second connector wire for music that came with the speaker. My system only had one stock wire for voice emergency. Any idea?

Last edited by 2017C300; Nov 30, 2021 at 11:04 PM.
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Old Dec 1, 2021 | 02:56 PM
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18 G550, 24 EQB3504M
Does your car have Burmester audio?
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Old Dec 1, 2021 | 04:39 PM
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2017 C300 sedan
Originally Posted by Holson
Does your car have Burmester audio?
No burmester
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Old Dec 1, 2021 | 05:00 PM
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I wonder if non burmester cars don’t have a center channel audio… I’ve been meaning to do this upgrade but wondered since I don’t think I hear anything ever from the center speaker
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Old Dec 1, 2021 | 06:05 PM
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1986 Light Ivory R107 560SL & 2024 W206 Starling Blue C300 4MATIC AMG-Line, Exclusive Trim
Originally Posted by Holson
I wonder if non burmester cars don’t have a center channel audio… I’ve been meaning to do this upgrade but wondered since I don’t think I hear anything ever from the center speaker
yeah unfortunately there isn’t a center speaker installed for us non burmester people, you could probably add one though
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Old Feb 12, 2025 | 07:10 AM
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Originally Posted by AzurSL
yeah unfortunately there isn’t a center speaker installed for us non burmester people, you could probably add one though
I also have a stock Audio 20 radio with my W205 and I also curious to know whether the wiring harness is in place to fit the centre dash speaker. Furthermore, I'd like to know whether the wiring exists in the footwell to upgrade the woofers.

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Old Feb 13, 2025 | 05:35 PM
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This rather helpful German video confirms that the wiring harness for the centre speaker does not exist for the standard Audio 20 system.

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