GLS Class (X166) Produced from 2016 to 2019

driver door creaking sound

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Old May 2, 2026 | 03:21 AM
  #1  
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2017 GLS 450,Bmw Z4 35i
driver door creaking sound

bad or loose check strap?
door closes like new so hinges are ok i think
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Old May 4, 2026 | 08:18 PM
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Our doors don't have a check strap.
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Old May 4, 2026 | 10:00 PM
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ok,i think there is a loose nut inside the door that holds the hinges,i am pretty sure noise is coming from inside the door panel
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Old Jun 8, 2026 | 12:52 PM
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I have similar sound on the driver door. If you fully open the door it makes the sound in 2 different places of the full door swing. I dont see any loose screw or any moving part that can be causing this. Door ginges looks good and no play if I move the door up and down. Im not able to locate it and it is a little anoying to have that ina door that soft closes.

I havent been able to find the cause.

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Old Jun 8, 2026 | 04:55 PM
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did you remove door card? im gonna do that soon im sure there is a loose bolt but ill report back
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Old Jun 9, 2026 | 09:49 PM
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No, I have not checked inside the door. I only inspected if there was any sign of hinge looseness while swinging the door.

If you find anything please post back. Im sure more people have this issue.

Thanks in advance

David
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Old Jun 17, 2026 | 05:03 AM
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ok so i removed the door card,i removed second door card and there are no nuts on the inside,i spent prob 2 hours back and forth trying to see where this noise is coming from and i cant figure it out,tried tightening the hinges and 13 mm bolt and nothing,at least now i know how to replace the glass lol
i think possibly hinges are bad,ill post some pics later
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Old Jun 17, 2026 | 11:23 AM
  #8  
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Originally Posted by serb
ok so i removed the door card,i removed second door card and there are no nuts on the inside,i spent prob 2 hours back and forth trying to see where this noise is coming from and i cant figure it out,tried tightening the hinges and 13 mm bolt and nothing,at least now i know how to replace the glass lol
i think possibly hinges are bad,ill post some pics later
Hi Serb
I was hopping it would be an easy fix ... thanks for sharing. Please post anything you find. I will do the same.

Thanks

David
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Old Jun 17, 2026 | 04:21 PM
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ordered the driver door lower hinge A1667200337 150$,lets see if this will fix it
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Old Jun 17, 2026 | 07:12 PM
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Originally Posted by serb
ordered the driver door lower hinge A1667200337 150$,lets see if this will fix it
Nice. can it be ordered with the car color?
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Old Jun 17, 2026 | 07:13 PM
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Originally Posted by serb
ordered the driver door lower hinge A1667200337 150$,lets see if this will fix it
Forgot to ask. What gave you the hint the issue must be the lower hinge and not the upper one?

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Old Jun 17, 2026 | 07:43 PM
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no it comes unpainted but i got a spray can ill spray just enough to cover it in black,dealer tech told me its the lower one and it makes sense because it holds all the weight,also ordered lower passenger hinge since the sound is pretty similar from that door but not that bad yet,rear door closes with no sound at all thats what i want
pn for passenger is A1667200437
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Old Jun 18, 2026 | 09:01 AM
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Is It possible it's just rubber seals that are dried out and need lubricating?
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Old Jun 18, 2026 | 12:58 PM
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i tried lubing it twice with wd40 it did nothing,once i install new hinge ill try disassembling the old one to see how it works since there is no check strap its integrated into the hinge
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Old Jun 18, 2026 | 01:04 PM
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Originally Posted by serb
i tried lubing it twice with wd40 it did nothing,once i install new hinge ill try disassembling the old one to see how it works since there is no check strap its integrated into the hinge
Different model but don't use wd 40: https://mbworld.org/forums/glk-class...ml#post9301136

Reason being wd 40 can strip away existing oils.
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Old Jun 18, 2026 | 02:10 PM
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ok but the sound is followed by a mechanical movement of something i cant see which i believe is inside the hinge
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Old Jun 18, 2026 | 02:30 PM
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Originally Posted by serb
ok but the sound is followed by a mechanical movement of something i cant see which i believe is inside the hinge
Are you planning to spray lithium greese regardless then?
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Old Jun 18, 2026 | 02:51 PM
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i will try,i have valvoline lithium grease but not in spray form
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Old Jun 18, 2026 | 04:09 PM
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Alright, hope it works.
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Old Jun 18, 2026 | 04:27 PM
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2017 GLS 63 AMG
Originally Posted by serb
no it comes unpainted but i got a spray can ill spray just enough to cover it in black,dealer tech told me its the lower one and it makes sense because it holds all the weight,also ordered lower passenger hinge since the sound is pretty similar from that door but not that bad yet,rear door closes with no sound at all thats what i want
pn for passenger is A1667200437
Interesting. I dont have issues on the passenger side

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Old Jun 18, 2026 | 06:21 PM
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i think every door should close like rear door completely silent,i tried greasing it and nothing
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Old Yesterday | 07:45 PM
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I've been researching this. The door hinge part number is A1667200337, but per WIS, the hinge pin is A019 990 4301 and is named " Bolt with flange"

Would be that bolt removable? I think it is. By removing the bolt, it may be a lot easier to fully grease instead of using penetrating lubricant (stay away of WD40)

Im mwondering if any of you that have replaced the hinge, hav tried this route on the old hinge.

There is a few pictures on this ebay page that can be usefull. https://www.ebay.com/itm/305945624622, https://www.ebay.com/itm/353945112257

I think is even doable as worst case scenario, to buy the hinge to see if there is a fix. It would be way more cheaper than getting the hinge replaced with all the time and billable hours to do that, plus painting the new hinge.

My door does not have any play vertically, If I move the door the hole car moves with it, so the hinge is good, is just the rotating part.

Any ideas are welcome




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Old Yesterday | 11:42 PM
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i think these are maintenance free hinges,wis doesnt mention lube it after reintall or similar,once i remove it ill compare them side by side,truth has never been closer lol
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Old Today | 09:41 AM
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Originally Posted by serb
i think these are maintenance free hinges...
I'm fighting the same battle in the X204 forum. My maintenance schedule calls for lubing the hinges, but I can't find anything in WIS on how to do it or what to use.

It must have been wishful thinking. It is not listed. Lube sunroof, check hood hinges, but nothing about the doors. One of the doors is really stiff. Guess I'm on my own...

Last edited by John CC; Today at 11:29 AM.
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Old Today | 01:27 PM
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Originally Posted by serb
i think these are maintenance free hinges,wis doesnt mention lube it after reintall or similar,once i remove it ill compare them side by side,truth has never been closer lol
​​​@serb thanks. I will really appreciated it. I've been staring to the hinges for quite some time without figuring it out lol.

Thanks

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