carl_t

Hi guys
im looking to add an aftermarket amp into a w205 with the standard audio system.
I want to integrate with the head unit also.
I will add my own speakers and will not use any of the factory ones.
how do I tap into the wiring? Is there any wiring harness I can use?
how have others done this?
cheers
Carl

thegreyone

On my BMW I used a converter to tap into the rear speakers for audio RC source which connects to the amp. The rest is straight forward.

Kicker 46KISLOC2 K Series 2-channel line output converter with 12-volt turn-on lead at Crutchfield

I have an old school MTX audio car amp, 800+RMS for 140$+ shipping if interested.

jeboo

You can try this approach, but if you are looking at a total system overhaul you will almost certainly end up needing a DSP. There should be plenty of threads here covering this. See my signature for the DSP/speakers I went with.

Or you can try just replacing the factory speakers first and see if that's good enough. I believe Match has drop-ins for both the front and rears now.