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

Drivers Door Lock Removal

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Old Jul 28, 2021 | 02:20 PM
  #1  
texterted's Avatar
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ML420 W164 (2009)
Drivers Door Lock Removal

Hi has anyone got instructions for removing the drivers door lock and handle on my ML

VIN WDC1641282A449850

Many thanks.
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Old Jul 28, 2021 | 03:57 PM
  #2  
expl0rer's Avatar
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From: Yeast Coast, Canada
GL550 X164
Visual instructions? Provided in large part by Google search.

Click me - I'm not spam, I promise.
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Old Jul 28, 2021 | 09:02 PM
  #3  
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ML420 W164 (2009)
Yeah, thanks.
I'm looking for the official instructions for my facelift model W164. None of what I've found so far seems to work.
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Old Jul 29, 2021 | 07:14 AM
  #4  
Maj. Dundee's Avatar
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2002 ML 320 & 2006 ML500
Here it is.
Attached Files
File Type: pdf
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Old Jul 29, 2021 | 07:23 AM
  #5  
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ML420 W164 (2009)
Thanks Major!

That's as far as I've got but the cylinder refuses to budge. I wondered if there was something changed on my model.
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Old Jul 29, 2021 | 07:38 AM
  #6  
Maj. Dundee's Avatar
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Originally Posted by texterted
Thanks Major!

That's as far as I've got but the cylinder refuses to budge. I wondered if there was something changed on my model.
Did you pull on the door handle? Pry it out with a plastic pry tool.
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Old Jul 29, 2021 | 07:48 AM
  #7  
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ML420 W164 (2009)
Yeah, I've tried all sorts. I think something is damaged inside the lock cylinder. As the key will only turn half way without serious wiggling and appears to do nothing when I do get it to turn.

It's hard to apply force without damaging the paint or something else.
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Old Jul 29, 2021 | 08:05 AM
  #8  
Maj. Dundee's Avatar
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Then remove the door lining see if you can push it out manually. The window must be fully up.



























Attached Thumbnails Drivers Door Lock Removal-r-i-door-lining-front-1a.jpg  
Attached Files
File Type: pdf
R&I Door Lining Front #1.PDF (117.9 KB, 135 views)
File Type: pdf
R&I Door Lining Front #2.pdf (73.7 KB, 121 views)
File Type: pdf
R&I Door Lining Front #3.pdf (68.9 KB, 120 views)
File Type: pdf
R&I Door Lining Front #4.pdf (77.6 KB, 119 views)
File Type: pdf
R&I Door Lining Front #5.pdf (77.6 KB, 122 views)
File Type: pdf
R&I Door Lining Front #6.pdf (91.0 KB, 117 views)
File Type: pdf
R&I Door Lining Front #7.pdf (73.1 KB, 121 views)
File Type: pdf
R&I Door Lining Front #8.pdf (94.7 KB, 110 views)
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Old Jul 29, 2021 | 08:20 AM
  #9  
texterted's Avatar
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ML420 W164 (2009)
Aye, thanks again Major!

I've got it all stripped down to the metal. There's one bolt on the outside of the door, under the door handle, preventing removal of the regulator/door lock assembly.

Of course you have to remove the lock cylinder before you can remove the door handle!

I think my cylinder is snapped internally. With the mechanism stuck in the "locked" position. This is preventing the cylinder from releasing from the door lock.
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Old Jul 29, 2021 | 08:43 AM
  #10  
Maj. Dundee's Avatar
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There is only one bolt that has to be removed to remove the lock cylinder.

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Old Jul 29, 2021 | 09:29 AM
  #11  
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ML420 W164 (2009)
Yeah, I've removed that one but the cylinder is still tightly stuck!

Like I say "I think my cylinder is snapped internally. With the mechanism stuck in the "locked" position. This is preventing the cylinder from releasing from the door lock."
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Old Nov 11, 2021 | 04:01 AM
  #12  
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2009 w164 280
@texterted,
Any news about this ?,
I'm in the same issue.
Thanks,
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Old Nov 11, 2021 | 07:24 AM
  #13  
Maj. Dundee's Avatar
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From: Bronx, N.Y.
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I provided the procedure and a video. Why can't you remove the lock?
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Old Nov 11, 2021 | 09:33 AM
  #14  
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2009 w164 280
Hi,

As with texterted, the first procedure does not work, there is something more tightening the cylinder.
In the other hand, I'm trying to avoid removing the door lining.

My request is addresed to know what is sticking the cylinder, aside of the well known 20-torx nut

Thanks
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