Question about 2003 Mercedes-Benz C-Class

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Electronic key My electronic key is unable to unlock the car from a distance any longer

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  • toine24 Dec 19, 2008

    I want to change the batteries, but who can tell me HOW to open the key?

    regards,
    Toine

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Do you have another key that works fine? If so, then try replacing the batteries in the key that doesn't work. If that makes no difference, then you likely need a new key. If you do have another available key, and it also isn't working correctly, then you likely have an antenna/control module issue and the vehicle will need a visit to the dealer.

Posted on Nov 14, 2008

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Posted on Jan 02, 2017

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