dpc004
09-16-2007, 05:42 PM
I have a w210 head unit (A210 820 56 89 to be exact) and I would like to know if the follow ing tuners would work A221 870 29 89, A211 820 14 97, or A220 820 15 97, also does anyone have a wiring diagram including pinout of how these all go together?