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Battery was disconnected, now no power to radio,cd, etc. code is 3.8 405 but buttons on unit only 1-6 with 7-12 when holding down button. All fuses O.K. and been replaced in case. Radio/cd is from 2002, in a 1979 Mercedes 450sl, I have manuals but no idea of solution-it all worked before work was done ,no comeback with tech, he's history. Also on manual is that dot between the 3.8 what's that about. No decimal pts. on unit. Help, please.

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If it has an anty theft system, (which it might not because it is an old car) then it will need to be reset, search in the manuls for something that says resetting radio or something similar and follow directions. If that dosent work, then please dont hate me

Posted on Jul 27, 2009

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