M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Window Lock Stuck

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Old Apr 4, 2013 | 02:37 PM
  #1  
mickeyb's Avatar
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Joined: Mar 2011
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ML350
Window Lock Stuck

Hi, I searched the forums but didn't see this particular issue.

The rear window lock button on my '07 ML350 is stuck down, in the lock position. Pressed it down and it stayed down, instead of toggling.

Was thinking of spraying lubricant in before taking it to the dealer. Is this a bad idea? Should I use teflon spray, WD40, 3 in 1 oil -- or none of the above?

Any help appreciated.
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Old Apr 19, 2013 | 11:15 AM
  #2  
meaculpa's Avatar
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Joined: Mar 2013
Posts: 36
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From: Las Vegas, NV
2007 ML350 (hers) 2001 JAGUAR VDP (his)
Remove the switch, spray it with some WD-40 and blow it dry with an air hose or buy a can of Blow Off Air Duster. Repeat the process a few times - it should fix your problem.
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Old Apr 20, 2013 | 08:33 AM
  #3  
06e320cdi's Avatar
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Joined: Feb 2010
Posts: 431
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From: Cross Roads, PA
2008 ML320CDI
I ended up replacing mine, it went down and stayed there. Seemed like something snapped as I was pressing it down.
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Old Mar 27, 2014 | 04:43 PM
  #4  
Jasyrata's Avatar
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Joined: Mar 2014
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2007 e63 amg
how did you remove the window switch?

I know that this is old but I was wondering if you could tell me how you removed the switch panel from the door? Did you have to remove the whole panel or does it pry up from the outside? I have the same problem as you did.

Thanks

-J
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Old Mar 28, 2014 | 07:03 PM
  #5  
06e320cdi's Avatar
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Joined: Feb 2010
Posts: 431
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From: Cross Roads, PA
2008 ML320CDI
I actually had mine done at the dealer, under CPO warranty. According to www.alldatadiy.com (same instructions as found in MB service manual). You have to remove the door panel. The switch is actually held in with a screw.
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