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My Mercedes-Benz 190E Alpine CM2191 Radio displays Hold, but I can't find my manual on how to fix it so I can enter my four Digit Code. What can I do?

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Is this the stock radio that was sold with the car?

Posted on Nov 11, 2010

  • yadayada
    yadayada Nov 11, 2010

    Ok found that indeed this is the original radio, so read bleow what must be done and what the "HOLD" means. If this doean't work you will need to see the dealer.

    HOLD means you entered the wrong code too many times. You will need to remove the radio to obtain the serial number to get the code if the dealer does not have if on file with your VIN number.

    You need to leave the radio undisturbed for at least an hour with the ACC on to clear the HOLD. When display reads CODE, enter the code you receive from the dealer.


    If you have the Alpine Mercedes radio, should be a 5 digit code.

    With either one, you just input the code with the preset buttons. Radio should turn on.

    If you have the code and you have done the above then you have the wrong code.

  • yadayada
    yadayada Nov 25, 2010

    You will need to see the dealer on this.

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