Question about 2004 Mercedes-Benz Mercedes Benz S Class

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2004 S-430 command unit shows "No sound available"

I have a 04 S430 and twice in the past week or so I've gotten in the car and upon turning the key I've gotten a sound not available across the command screen. I can input a cd as well as a tape casette in the players but still get the "no sound available" error message with no sound coming out of the speakers. I can't even get the station presets to show, no navigation functions as well. This message shows for a few seconds, then the unit turns off. After about 30-45 mins it returns to normal function with the radio, navigation, etc. working fine. What could be causing this problem. Any help is much appreciated.

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  • dwashington7 Jun 10, 2010

    I was told today at the benz dealer the car amplifier is the source to why I get a "no sound available", "system unavilable" error codes and why the radio does not work. Was given a estimate for $2300 for new and $1360 for a re-manufactured one. I also found a good condition used one out of another 04' S430. The question I have is the model numbers on mine are A2208273042 and the used one is A2208200289 Will this amp work and is it a plug & go fix or will there be programming that needs to be done once switched out?

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  • Mercedes-Benz Master
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PROBLEM IN FRONT SAM CONTROL MODULE WITH FUSE AND RELAY.WOULD BE BEST TO TAKE TO DEALERSHIP MERCEDES BENZ IS A EXPENSIVE CAR TAKE SPECIAL TOOLS AND HIGH SKILLS.

Posted on May 25, 2010

Testimonial: "Great help thanks"

  • 1 more comment 
  • dwashington7 May 25, 2010

    Ok thanks, so is this a quick fix at the dealership where they can do and not have to replace the command unit. Or is this a more costly fix?

  • dwashington7 May 25, 2010

    Ok thanks, so is this a quick fix at the dealership where they can do and not have to replace the command unit. Or is this a more costly fix?

  • Jonah Oneal May 25, 2010

    YEP COMMAND UNIT IS A PCM CONTROL ABOUT EVERY THING ON CAR.IT GOING TO COST YOU SOME MONEY.THEY HAVE TO PUT IT IN AND REPROGRAM IT.

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