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W211 COMAND Navigation Intermitent Can't Read DVD

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by dursleyman, Jan 16, 2020.

  1. dursleyman

    dursleyman Senior Member

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    Location:
    Dursley, Glos
    Your Mercedes:
    2005 E220CDI Elegance Estate, 1977 Triumph TR7 FHC, 1980 Triumph TR7 DHC
    Our W211 estate has recently started to have an intermittent problem with the COMAND sat nav. The main screen pops up a message saying "Can't read DVD". The the navigation voice instructions continue to work and the display in the instruments is still working. The Can't Read message stays up on the main screen for some time but then the maps come back briefly only to disappear again.

    I have removed the disc in the rear to check for dust etc but it seems to be clean and undamaged.

    Ideas please.
     
  2. mercmancdi

    mercmancdi Senior Member

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    Your Mercedes:
    2009 E250 cdi 08 cls320 cdi ,2007 e280 cdi '2005 E 280 CDI ,VW TOUAREG ,JAGUAR S AND xTO NAME A FEW
    First thing I would do is clean the disc
    even using a little a alcohol and a micro fibre cloth. Or buy a head cleaner they are only a few pounds and come with disc and cleaner provided. And run it through following the instructions on the disc.
     
  3. OP
    dursleyman

    dursleyman Senior Member

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    Your Mercedes:
    2005 E220CDI Elegance Estate, 1977 Triumph TR7 FHC, 1980 Triumph TR7 DHC
    I have a DVD head cleaner disc but was a bit unsure about using it in the car. Looks like a job for tomorrow then - if the weather inmproves!
     
  4. mercmancdi

    mercmancdi Senior Member

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    Your Mercedes:
    2009 E250 cdi 08 cls320 cdi ,2007 e280 cdi '2005 E 280 CDI ,VW TOUAREG ,JAGUAR S AND xTO NAME A FEW
    I have used one it worked to my surprise, it has a we brush on it.
    Hope it works for you and it’s something simple.
     
  5. AMGeed

    AMGeed Senior Member

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    Your Mercedes:
    2014 W212 E63 Biturbo
    Is the disc an OEM one, or an eBay "original" cheapie that is just a copy?

    If its a copied disc, that may well be your problem. Otherwise, using the DVD head cleaner as mentioned is next to try.
     
    Blobcat likes this.
  6. Blobcat

    Blobcat Moderator

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    R171 SLK280 3.0, Land Rover 110 County SW
    This is what I was going to suggest, but I don’t have to now :D
     
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