CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

Driver's door controls not working

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Old Oct 3, 2016 | 10:11 AM
  #1  
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550 CLK convertible
Driver's door controls not working

2008 550CLK convertible. All Driver's door controls stopped working yesterday. When operating the control for the convertible top - three windows lower; the driver's window remains up. I've read a number of threads that all point to the DCM. Some of those threads have mentioned a software update and a fuse being the culprit. Before moving forward with replacing the DCM I have a few questions. First, I was hoping to find out which fuse or fuses I should look at? Additionally, I was wondering if these symptoms describe a situation that would be cured by a software update? Lastly, if I replace the DCM myself (with a used DCM) will I need to do a software update anyway?

Thank you for any help.
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Old Oct 5, 2016 | 10:51 PM
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bone stock E55 AMG
moved to W209 forum...
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Old Oct 5, 2016 | 11:39 PM
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Assuming your driver's side is the left side, then check fuse #21 on the cabin panel. If it's RHD, then fuse #22.
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Old Jan 21, 2017 | 07:59 PM
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2008 Clk 350
Hey, I just bought a 2008 Clk350 and I'm having the same problem that you had. Were you able to figure out how to fix it?
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Old Jan 22, 2017 | 10:39 AM
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2005 320CLK Cab
If it's not the fuse, I find my driver's seat not properly set in it's locked position. Just try to lift the seat forward & push back down & then try the adjustments. Sometimes, I have to get a little forceful (read slam) the seat down into position then the controls work fine. Obviously, careful not to break anything. Search for a few threads on this topic.

Last edited by clydem; Jan 22, 2017 at 10:44 AM.
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Old Jan 22, 2017 | 03:29 PM
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2008 Clk 350
Thanks for the reply. I will try that but i think its a biger issue than that. Nothing on the driver door works. Including the seats, windows, mirror (left side still moves!), Light on top of the vanity mirror. Locks do work. Tried to put in a new DCM but still no power. All fuses look OK. Really stuck here.
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Old Jan 22, 2017 | 09:23 PM
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Maybe it's a wiring issue going from the body into the door.
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Old Jan 23, 2017 | 09:27 AM
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2009 CLK 350
I was thinking little rodents!
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Old Jan 25, 2017 | 04:50 PM
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2008 Clk 350
Put in a new battery today and now the back window opened up a little on its own and the engine fan stays on after I shut the engine until I disconnect the battery. DCM still doesn't work. Are there and specific wires to check or is it just a big guessing game now?
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Old Jan 28, 2017 | 10:00 PM
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2008 Clk 350
I got my hands on a Autel DS708 maxidas scanner tool. Is there any way to diagnose these electrical systems with the scanner? After the new battery was installed the battery still dies overnight.
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Old Feb 3, 2017 | 03:22 PM
  #11  
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2008 Clk 350
UPDATE: Seems like it was the DCM. Just replaced it. Everything started working again and no more battery drain issues.
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Old Jan 30, 2019 | 09:14 AM
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2007 clk350
Originally Posted by Tzvikramer
UPDATE: Seems like it was the DCM. Just replaced it. Everything started working again and no more battery drain issues.
Hello, i qm having the same issue. Nothing will work on the driver side door. My window is left with a small gap that is supposed to close everytime the door is opened/ closed. What is a dsm? Thank you!
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Old Jan 30, 2019 | 10:29 AM
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2008 Clk 350
Originally Posted by Cole Chapin
Hello, i qm having the same issue. Nothing will work on the driver side door. My window is left with a small gap that is supposed to close everytime the door is opened/ closed. What is a dsm? Thank you!
It's a door control module. Its a simple plug and play fix once you can get the door panel off. It controls the seat, mirror, windows etc.
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Old Feb 11, 2019 | 05:52 AM
  #14  
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clk 320 w209 2004
I had exactly same problem. About 5x happened that all buttons on drivers (right) door stopped working, puddle light stays off, window and lock don't move at all either. Problem cured sooner or later itself except last time. I followed red / white cable from door module through right side kick panel and realized that in threshold, under the plastic cover is this wire broken. I replaced about 30cm of cable and so far, so good.
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Old Mar 11, 2021 | 11:37 AM
  #15  
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2004 clk 200 elegance convertible
2004 clk 200 elegance convertible

I have a problem when opening and closing both doors it stays recognized as closed , the front dome light and side doors light are frozen , as the windows too when opening and closing the doors,
And whatever I opened stays showed as opened , such as hood , boot ,doors and every thing closed stays recognized as closed ,
I think its a wiring or electric paws issues
Fuse boxes all checked nothing missing or wrong
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