Hello, I have just bought an old 2003 e270 and I can`t figure out what to do with my radio. I have been looking all over the internet to get a code for the Audio 20 but it seems like there is none,at least that is what everyone says. Maybe one of you can help me out.Thanks
need to do a hard reset and see what it does. if it still comes up with this than possible software update may fix issue. if not than you need a new radio. it may not be a bad idea to take it somewhere that is familiar with your car and has MB diag capabilities .
Would you be able to tell me the steps to do the hard reset please?
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