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Help: GLC63 transfer case fluid swap

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Old Aug 24, 2025 | 12:41 AM
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Dakrt23
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2020 GLC63
Help: GLC63 transfer case fluid swap
I found some instructions on doing the transfer case and got the trans mount off did the drain part no problem (first picture) then went to fill it and the fill port in this picture (second picture) isn't on my car. Looks completely different in the back of the transfer case. Where do you fill the transfer case from? Last picture is my car, 2020 glc63. Thanks.



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Old Sep 1, 2025 | 03:11 PM
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GLC63
I have an 18 I'll look at mine to see if its similar or different and I'll check manual if there is something different in procedure...
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Old Sep 3, 2025 | 05:15 PM
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2025 AMG E 53; 2018 GLC300 4Matic; 2003 360 Modena
This video is identical to the 2018 GLC 300. How does it compare to the 63?

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Old Sep 3, 2025 | 10:44 PM
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GLC63
Originally Posted by Dakrt23
I found some instructions on doing the transfer case and got the trans mount off did the drain part no problem (first picture) then went to fill it and the fill port in this picture (second picture) isn't on my car. Looks completely different in the back of the transfer case. Where do you fill the transfer case from? Last picture is my car, 2020 glc63. Thanks.


The manual youre referencing is effective for the following models


Manual ref
Manual ref

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Old Sep 3, 2025 | 10:58 PM
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Can you zoom out more in photo? Are you in the right spot?
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Old Sep 4, 2025 | 12:51 PM
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2018 GLC 4MATIC
Originally Posted by hyde000
Can you zoom out more in photo? Are you in the right spot?
see attched
Attached Files
File Type: pdf
ap28.00-p-2801b.pdf (449.6 KB, 265 views)
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