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03 ML350 New battery now no sound from radio

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Old Jan 8, 2009 | 04:48 PM
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2003 ML350
03 ML350 New battery now no sound from radio

I installed a new battery and reset the radio code. System works fine but no sound from Am-Fm. CD changer sound is fine as is weather band sound. Just no sound when in am or fm. Any thoughts?
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Old Nov 19, 2009 | 10:00 PM
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I'm having a similar issue. Did you ever figure it out? Did you have any fault messages on your head unit IE: no cd player found or service tele aid?
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Old Nov 27, 2009 | 06:08 PM
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Originally Posted by jfkakacek
I installed a new battery and reset the radio code. System works fine but no sound from Am-Fm. CD changer sound is fine as is weather band sound. Just no sound when in am or fm. Any thoughts?

Very good Elpie. Thanks for the smile. I think the Open Source is my favorite, but all the others are so good also.
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Old Sep 1, 2010 | 04:12 PM
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jfkakacek - did you fix your radio issues? my AM/Weather/CD all work fine. The FM has no sound. I see that you posted this issue over a year ago, so I am hoping that you read this. If not, does anyone else have any idea what to do to fix it?
Thanks in advance...
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Old Sep 1, 2010 | 06:30 PM
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My issue turned out to be a burned out board in the head unit. It was not sending a fiber optic pulse from the back of the head unit. I had to send it in to ALPINE via a factory repair company on the east coast. It cost 250 to fix. Much cheaper than the 4 grand the stealer quoted me. Go figure. I'll check to see if I have the paper work to get the name.
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Old Sep 29, 2010 | 06:29 PM
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Hello guys,

A few weeks ago my sound system doesn't work so I thought it was the fuse so then I replace the sound system fuse and it work...for a week then now no sounds at all, doesnt matter what I've tried. Can someone help me on this. I call the dealer and they said they will charge me around $200 for just diagnose only. Much appreciated for your help. its 2003 ML350
Thanks.

Last edited by ronnierose; Sep 29, 2010 at 06:32 PM.
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Old Sep 30, 2010 | 10:26 AM
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Did the fuse blow again? If so it sounds like you have a short somewhere. May sound silly but do you have the radio code?
Please post more specific info on your problem. Does the head unit power up, does the cd changer work etc. Push the cd button to make sure the head unit is recognizing the cd changer. If it doesn't it will say cd player not found.
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Old Sep 30, 2010 | 08:08 PM
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When I hit the CD it saids NO CD MAGAZINE... Radio on and Nave is working but NO SOUND! sound fuse is fine

Thanks.
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Old Oct 6, 2010 | 03:10 AM
  #9  
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No, I have not pursued it. My wife plugs in her ipod through the cassette deck or she uses the cd changer. Let me know if you find the answer.

Thanks

John
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Old Mar 23, 2011 | 06:13 PM
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Radio with No Volume.

Hey, I have a 2004 ML350 Inspiration with Bose radio system, and I am having a problem with my radio. I recently changed the battery and it asked for the code, which I did, and radio worked fine, but a few days later the radio would go on and the stations would switch, but there is no sound coming from the system at all, sound would come back a day later then go back off a few days after that. It did this a few times and now I've had no sound for 5 days. I also think that it is not detecting the CD player. Has anyone had this problem or does anyone have any advice??

Thanks in Advance.
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Old Mar 23, 2011 | 11:30 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Either

power down the radio by removing the fuse or disconnect the battery and wait 5 minutes to hook the negative cable back up. Then resync all systems if required for your model and enter the radio code again. Seems like it is missing its call to wake up.
Resetting may slap it awake
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Old Mar 23, 2011 | 11:37 PM
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Thanks Ohlord
I was actually thinking about doing that but wasn't sure if it would actually be effective, but now thats def something i'll try, hopefully thats all it'll need.
Thanks again
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