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Recent content by duncanmaclaud

  1. C250 2012 Audio 20 No Sound Harman/Becker Amp

    Audio & Telematics Forum
    i am facing the same problem with my 2014 c250 (w204). i have checked sound system fuse 67 and fuse 26. all are ok. i have done the head unit reset but problem not solved. both volume on the head unit and the steering wheel not working. i have tested the amp with a friends car and it worked...