I have both PAC SWI-CAN steering control and Swi-PS for sale. This will help you control your after market head unit with your steering wheel therefore you wont loose your steering wheel controls. This is brand new. Just opened, never installed. I have all the instructions and direction.

this is where i bought it from:
SWI-CAN:
http://pac-audio.com/productDetails....&CategoryID=29
SWI-PS
http://pac-audio.com/productDetails....&CategoryID=29

heres a brief preview of the installation.
http://archive.pac-audio.com/instructions/swi-can.pdf

pics




$120 shipped to US only
paypal only


I also have the 01-04 Mercedes C CLass Install kit MB K100C MBK100C For sale.
https://mbworld.org/forums/mobile-el...c-mbk100c.html