Question about 2000 Mercedes-Benz S-Class

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Mercedes/dead battery can't open trunk help

We have a 2000 mercedes c230 with a dead battery and unable to open trunk with key need help. thank you

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  • Anonymous Mar 20, 2009

    2002 mercedes benz cant open trunck

  • Fabrice Fab
    Fabrice Fab Jan 08, 2014

    i took the battery out and left my key inside of my 99 Mercedes c280 trunk,

  • Anonymous Mar 16, 2014

    Mercedes clk 320 1999 trunk won't open with key or remote how to open

  • Anonymous Mar 19, 2014

    2007 c230 mercedes key won't open locks

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I have the same issue (battery is completely dead in my 1998 Mercedes C280 and I can't pop open the trunk). I looked under the hood and have no idea where the positive charging post would be - can anyone help me find it? Thanks

Posted on Mar 24, 2010

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  • Master
  • 4,669 Answers

There should be a positive charging post under the hood. Hook up jumper cables to this post for positive and the engine for ground. Then get in the car and pop the trunk with the trunk release button.

Posted on Mar 08, 2009

  • Clint Smock
    Clint Smock Jun 27, 2010

    The charging post should have a red cover on it with a positive sign. I think its on the passenger side near the firewall.

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My mercedes benz avantgarde e320 1999 trunk wont open. remote inside as well as the remote key wont work. im afraid to put the slim metal key into the trunk lock that it would break if i try to turn the key. any solution?

Posted on Aug 26, 2011

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You don't need anything but your key. You have a Valet Key, which is the black plastic part with the buttons on it. If you look at the metal part of the key that is inserted at near the keyring, you will notice a black plastic sliding tab that allows the metal key to be pulled out of the Valet key. It's just a skinny metal key that will slide out, but you can take it and put it into the keyhole on the trunk, and I think you turn to the left to unlock. Then push in the trunk button on the hatch and it should pop open.

Posted on Jun 26, 2010

  • Jay V84 Sep 20, 2010

    The car battery died on me today: In addition to that... the key hole maybe a little stiff and you may think the key does not work at all. (DO NOT TRY TO FORCE IT AS YOU MAY BREAK THE KEY) If this happens, squirt some WD40 in the key whole to grease it up so it can be easily turned LEFT then press in. The batter will be under the carpet on your right. Allow about 5 minutes to charge the battery when you jump it then turn your key in the ignition.

  • Alice Mosley
    Alice Mosley Mar 27, 2014

    Have only one key and the trunk is shut and battery is dead. How can I get in to battery

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  • Master
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Hi,I agree with colonel a,but I had the same problem,I undone the battery and then shut the boot but unlucky for me the blade or key that is in the fob wasnt the right one for the lock.so the only way apart from calling out a car lock smith was to put a screwdriver in the lock and hit it hard a couple of times with the hammer,once the boot was open I managed to salvidge the lock.I know this sounds a bit brootle but at the time it seemed the only way.

Posted on Dec 09, 2014

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Posted on Jan 02, 2017

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