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CL-Class (W215) 2000-2006: CL 500, CL 600

Car is DEAD. '02 CL500

 
Old 03-18-2018, 01:12 PM
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CL 500
Car is DEAD. '02 CL500

Wife accidentally left the key in the car overnight. There is no power in the car. No dome lamps, no soft close etc.. Cannot open trunk or even turn the key! I am attempting charging the car with a battery tender hooked up to fuse F9 (air suspension). Can anyone tell me a work around on this?
Any help is, as usual, greatly appreciated.
Will
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Old 03-18-2018, 07:39 PM
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remove the battery---charge the battery------what happens??
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Old 03-18-2018, 11:25 PM
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2001 Mercedes CL500 2006 E350 4-matic
Originally Posted by Plutoe View Post
remove the battery---charge the battery------what happens??
How do you get to the battery if you cannot open the trunk ?? I believe there is a plate underneath the passenger side floor which lets you hook up to a cable to charge the battery ??
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Old 03-19-2018, 12:32 AM
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Originally Posted by calgary View Post
How do you get to the battery if you cannot open the trunk ?? I believe there is a plate underneath the passenger side floor which lets you hook up to a cable to charge the battery ??

Here is a video where to apply power .


https://youtu.be/Jb_7E-Z5D7g

Just apply power under passenger carpet to pop the trunk . Dont jump start from there

then once trunk is open charge the battery by connecting directly to the battery
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Old 03-19-2018, 12:44 AM
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2003 CL 600
Trunk opens with the metal key to access the battery
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Old 03-19-2018, 01:21 PM
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Thanks for the help. I finally got the emergency key to work in the trunk, so I could access the battery. I tried charging at the point under the passenger foot well, but the battery was so dead it would not charge! There is a video on YouTube by Mercedessource on how to restore AGM batteries. Easy trick. My batt showed 0 volts on my multimeter. After using this method the battery came all the way back and is holding at 13.2 volts! I had to reset all the windows and sunroof and I had a couple of error messages, but they went away after driving for a few minutes. Just gotta love the internet. Please check out Mercedessource. You guys probably already know about this.
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Old 03-21-2018, 11:13 AM
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2002 CL500
Same issue. No spare key

Hi guys,
I have the same problem. Opened up the passenger side foot panel and i see only one point. Not sure if i should connect positive on this. Or should i dig deeper and take the rubber bit off? Also it doesn't help that i can't open passenger door as the car is parked next to a wall!.
Please help. Thanks





How far the key goes in the boot lock


Under the passenger side foot panel. Not sure if i can connect positive one the top left corner
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