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

Transfer Case Hell

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Old Nov 10, 2023 | 04:48 AM
  #1  
Chassis87's Avatar
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2009 w212 e250 cdi
Unhappy Transfer Case Hell

Dear all,

Over the last week my X case developed a hell of a rattle.

My vehicle is a W164, ML300cdi, 2010.


My questions/concerns:

1) Where is the part number located on these boxes? Is it visible from under the vehicle? - the only visible number we could see is : DCS 122 5191 CAV 04

2) Who supplies such cases? - MB in my area are useless

3) Do upgraded boxes exist? - The vehicle has 86K but she is my war horse and I can't afford to have her down.

4) Do I need any additional Gaskets when mating new X case to Gbox?

5) Are X case's interchangeable between different models?

Please feel free to help me with anything I'm missing - my family and my *** thanks you 😅😅😅

Thank you very very much.


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Old Nov 10, 2023 | 07:09 AM
  #2  
Dewey Dog's Avatar
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2009 ML350 4matic
Chassis87 - transfer case can be a real PIA. I had very same issue and worked my way thru it. Here is the link with my saga: https://www.benzworld.org/threads/w1...#post-17939761

Good luck!
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Old Nov 10, 2023 | 07:25 AM
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2009 w212 e250 cdi
Originally Posted by Dewey Dog
Chassis87 - transfer case can be a real PIA. I had very same issue and worked my way thru it. Here is the link with my saga: https://www.benzworld.org/threads/w1...#post-17939761

Good luck!
Id prefer a new/refurbished full unit - I'm located on an island in the Mediterranean - so taking no chances hehe.

Do you happen to know of any good suppliers of such transfer case?

Many Thanks
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Old Nov 10, 2023 | 07:29 AM
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2009 ML350 4matic
That I do not know. I had to do loads of research before I could find just the chain at one place in California and another place with the parts needed to do the work. What I do know is that after that repair in 2020, I've had no more issues.
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Old Nov 10, 2023 | 07:35 AM
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2009 w212 e250 cdi
Originally Posted by Dewey Dog
That I do not know. I had to do loads of research before I could find just the chain at one place in California and another place with the parts needed to do the work. What I do know is that after that repair in 2020, I've had no more issues.
Thank you very much then - may i ask at what mileage yours decided to give up please?

Thank you very much
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Old Nov 10, 2023 | 07:43 AM
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2009 ML350 4matic
I think it was about 125-130 thousand.
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Old Nov 10, 2023 | 08:24 AM
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2009 w212 e250 cdi
Originally Posted by Dewey Dog
I think it was about 125-130 thousand.
The effect of a hilly light island and rough terrain - god damn.


Anyone ever bought one please?
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Old Nov 11, 2023 | 05:41 AM
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2010 ML550 VIN WDC1641722A564750, 2010 B180
There are some excellent youtube videos on this..And some shockers.
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