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How to tighten my rear driver's door?

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Old Feb 29, 2024 | 10:51 AM
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How to tighten my rear driver's door?
My front door is nice and tight. When I open it, it stays open. Although my rear driver's door when I open it, will swing closed occasionally. Does anyone know where the adjustment is located to tighten the door?
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Old Mar 1, 2024 | 05:19 AM
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From: Aridzona
'15 S550, '10 E350 P1/P2, '02 ML320
If you have an early build W222, the first few model years had door hinges that were meant to stay put at the angle to which they were opened. Apparently this design did not work well and now the only option is to replace the door hinges. The new hinges provide a typical two-detent style of operation (somewhat open and fully open.) No way to tighten what you have from what I understand.
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Old Mar 1, 2024 | 09:51 AM
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Originally Posted by dlafever
If you have an early build W222, the first few model years had door hinges that were meant to stay put at the angle to which they were opened. Apparently this design did not work well and now the only option is to replace the door hinges. The new hinges provide a typical two-detent style of operation (somewhat open and fully open.) No way to tighten what you have from what I understand.
Thanks for the info.
How can I tell if mine is an early build? Do you have a picture of the door hinge so I can compare?
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Old Mar 1, 2024 | 11:25 AM
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From: Aridzona
'15 S550, '10 E350 P1/P2, '02 ML320
Looks like the early chassis is up to May 22, 2015. After that the new hinges were used. You can check your driver's door pillar for manufacture date.
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Old Mar 1, 2024 | 04:28 PM
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Originally Posted by dlafever
Looks like the early chassis is up to May 22, 2015. After that the new hinges were used. You can check your driver's door pillar for manufacture date.
Yep that's me, January 2015.
By any chance do you know the part numbers for the updated hinges front and rear?
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Old Mar 1, 2024 | 05:49 PM
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From: Aridzona
'15 S550, '10 E350 P1/P2, '02 ML320
This should work, no warranty on this information.

Part Number Description
A2227203901 HINGE Left upper
A2227200337 HINGE Left lower

A2227204001 HINGE Right upper
A2227200437 HINGE Right lower

A2227300137 HINGE Left rear door, upper
A2227300337 HINGE Left rear door, lower

A2227300237 HINGE Right rear door, upper
A2227300437 HINGE Right rear door, lower
Last edited by dlafever; Mar 1, 2024 at 05:50 PM. Reason: Reordered by door position
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Old Mar 18, 2024 | 06:01 PM
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Originally Posted by dlafever
This should work, no warranty on this information.

Part Number Description
A2227203901 HINGE Left upper
A2227200337 HINGE Left lower

A2227204001 HINGE Right upper
A2227200437 HINGE Right lower

A2227300137 HINGE Left rear door, upper
A2227300337 HINGE Left rear door, lower

A2227300237 HINGE Right rear door, upper
A2227300437 HINGE Right rear door, lower
Thank you
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Old Mar 18, 2024 | 06:06 PM
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Originally Posted by dlafever
This should work, no warranty on this information.

Part Number Description
A2227203901 HINGE Left upper
A2227200337 HINGE Left lower

A2227204001 HINGE Right upper
A2227200437 HINGE Right lower

A2227300137 HINGE Left rear door, upper
A2227300337 HINGE Left rear door, lower

A2227300237 HINGE Right rear door, upper
A2227300437 HINGE Right rear door, lower
Do you know if it's the upper or lower hinge that controls how the door stays open at different intervals?
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Old Mar 19, 2024 | 08:21 AM
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From: Aridzona
'15 S550, '10 E350 P1/P2, '02 ML320
Originally Posted by brl12
Do you know if it's the upper or lower hinge that controls how the door stays open at different intervals?
So, no I don't. But it could be that both hinges work together to provide this function OR that only one does. Looking at some photos of the left front door hinges, it appears that the lower hinge has the magic hold thingy on it.

LOWER HINGE (front left)

UPPER HINGE (front left)

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