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. http://aerpro.com/video/control_harness_installation
CHMC3C
ISO with 20pin mini Iso
Mercedes A-Class (W169) ->2005
Mercedes B-Class (W245) ->2005
Mercedes C-Class (W203) ->2005
Mercedes Sprinter ->2006
models with interior CAN-Bus / 20 PIN Mini ISO connector

This product is also known to work in the following vehicles:
Mercedes C-Class 2000-2004 W203
Mercedes Sprinter 2000-2006