HELP INSTALLING /UPGRADING TO COMAND ONLINE I
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w205 2.0 T C250
HELP INSTALLING /UPGRADING TO COMAND ONLINE I
I have a w205 c250 06/2017 bougth in mexico, it has audio 20 with 7" display, then I bought the 8.4 " screen from a friends car and the screen looks small, so i bougth from my friend the main unit harman Q01, in the agency they got the pin with the vin, but when installing it, the car does not support that new stereo, it shows errors because my car shows the 522 audio code 20 and the stereo has the 531 code, how can I solve that and activate the stereo in my car, i spent a lot of money and my friends car doesnt work so i cant take it back, i have stereos pin,and car vin, without theft report.PLEASE HELP ME IM SO STREESED
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