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

CL500 REAR WINDOWS PROBLEM

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Old Dec 10, 2014 | 11:59 AM
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cl500 2003
CL500 REAR WINDOWS PROBLEM

Hi, i am having issues with my rear windows on My CL500 2003 5.0. To start with the rear left hand side window does not shut fully no matter what, it goes up and down no problems but doesn't shut that last bit. The second problem is, both rear windows do not operate correctly when opening and shutting the doors, when opening the doors the rear windows do not lower as they should, when the doors are shut the windows do not rise back up into position but instead lower around 2cms. We have tried resetting the windows, including battery reset and module reset, what else could the problem be? could it be that the rear left window is messing around with the module due to not shutting fully and could this be the window mechanism? I have attached a youtube video of me showing the problem, any help will be much appriciated.

https://www.youtube.com/watch?v=mmTS...ature=youtu.be

Kind regards

John
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Old Dec 10, 2014 | 10:10 PM
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I have the exact same issue as in your video so I hope someone will be able to help us !!
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Old Dec 11, 2014 | 05:27 AM
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If you find the problem please let me no! :-) also if i find it i will let you no on here. I've heard it could be the wiring in the drivers door rubber.
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Old Dec 11, 2014 | 10:11 AM
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One very common reason is that windows lost they limits.
So go inside the car and close the doors, then open and close every window one by one so that you don't stop pushing the switch until its been after 3 sec when the window is close or open.
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Old Dec 11, 2014 | 02:08 PM
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I have heard of Rear SAM units going bad as well causing this issue.
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Old Dec 11, 2014 | 05:09 PM
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whats the rear sam unit? is that the fuse box with the fuses and relays? if so were will it be located?

Thanks for your help
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Old Dec 12, 2014 | 03:48 PM
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The SAM (Signal Acquisition Module) tell certain items how to function and holds vehicle/equipment specific coding.

Testing and replacing is not something that can be done without the workshop diagnosis system.
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Old Dec 13, 2014 | 04:58 AM
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It's under the rear seat you can see it looking at the base of the rear seat there's a rectangular plastic door cover where you can see the fuses if you pop off the door

The Sam is a metal box connected to this fuse box . You can get a complete used unit on eBay with all the fuses and relays still in it
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