Question about Alpine CHAS-634 6-Disc CD Changer

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Not sure what the problem is

I have a 1994 Mercedes Benz C280 with the original factory head unit. I have added an Alpine CHA-S634 cd changer. Everything has been working fine since I installed the changer over 3 years ago. I took my car in for service last week and when I went to pick it up, I turned on my head unit. The head unit displayed an error message "C--ERR". This error code is not in the Mercedes manual and nobody at the dealership has ever seen that code. The antenna doesn't come up on the car, but there is obviously power to the head unit as we are getting the error message. I have power to the changer. I have removed the cd cartridge and then re-inserted it. I have disconnected the cd changer cable and then re-connected it. Still, nothing but the error message. Any thoughts? I'm at a loss!!!
Thanks,
Jim

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  • Patrick Razvoza May 11, 2010

    Have you tried entering the radio security code?

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  • 71 Answers

Check the changer and see if cds are inserted correctly or if 2 cds are in one slot.

Posted on Aug 26, 2009

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