Aerpro Control Harness C fits Mercedes

Steering Wheel control Primary harness adapters convert the commands from your car's steering wheel controls to a code that an aftermarket radio can recognize. A patch lead is also requires for SWC type systems based on the brand of head unit you have. for more details check out our you tube video.
CHMC6C
Iso with 10pin iso
Mercedes C-Class (W203) ->2004
Mercedes CLK (W209) ->2004
with interior CAN-Bus and these OEM head units (10-PIN ISO connector)

Audio 5
Audio 10
COMAND 2.0
Audio 30 APS (D2B)

This product is also known to work in the following vehicles:
Mercedes C-Class 2000-2004 W203
Mercedes CLK 2000-2004