C63 AMG (W204) 2008 - 2015
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Old Dec 12, 2020 | 12:30 PM
  #76  
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12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
Originally Posted by roadkillrob
Those torques are the diff to diff mounts/frame of car specs.

Rear axle differential to front adapter - 65 Nm
Bolt, rear axle differential to crossmember - 170 Nm
Ok had a minute so looked it up in WIS for you

Bolt end cover to rear axle differential, so cover to diff (torque setting indicates bolts are stretched so you should use new bolts.
Stage 1 NM 30
Stage 2 45 degrees

Bolt Heat sink to end cover 35NM
Attached Files

Last edited by roadkillrob; Dec 12, 2020 at 12:33 PM.
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Old Dec 12, 2020 | 06:06 PM
  #77  
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W204 c63
Thanks a lot that is great info.
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Old Dec 13, 2020 | 04:56 AM
  #78  
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WIS wins everytime Worth having if you like working on your vehicle
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Old Dec 21, 2020 | 02:47 PM
  #79  
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W204 c63
Is the black stock diff cover as pictured by OP aluminum also? So the bolts and torque spec would be the same for the new cover.

I am having trouble finding diff cover mounting bolts part number or for sale anywhere if anyone can help.



My new finned diff cover, rectifier and rectifier mounting bolts have arrived.

Thanks for the help
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Old Jun 6, 2021 | 01:52 PM
  #80  
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Hi Guys,

I just bought these items A2043510608 diff plate, A1713510108 rectifier , 2x N000000001536 bolts and turns out its already fitted. I really should have checked before ordering.

Too much time has elapsed for me to return them so I need to sell them.

Send me a message if you want them. I am based in the UK but can ship. Cost me £220 gbp.
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Old Jun 7, 2021 | 03:11 PM
  #81  
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^ I'd be game, but every time I plug the part numbers into FCP Euro, it says it does not fit 2013 C63
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Old Jun 7, 2021 | 03:20 PM
  #82  
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Originally Posted by VektorPerforman
^ I'd be game, but every time I plug the part numbers into FCP Euro, it says it does not fit 2013 C63
if you zoom in on my pic above you can see the 0608 part number stamped on the part on the right side and the 0108 part number on the box for the part on the left, and the number on the bolt packaging. All fit perfectly on my 2015 c63 w204. The parts are not made for USA c63, but they fit, as mentioned above they came on Euro and Australian c63 w204s. Just buy the guys parts and install them.


Last edited by Dr.Speedfellow; Jun 7, 2021 at 03:27 PM.
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Old Jun 7, 2021 | 03:28 PM
  #83  
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Originally Posted by Dr.Speedfellow
if you zoom in on my pic above you can see the 0608 part number stamped on the part on the right side and the 0108 part number on the box for the part on the left, and the number on the bolt packaging. All fit perfectly on my 2015 c63 w204. The parts are not made for USA c63, but they fit, as mentioned above they came on Euro and Australian c63 w204s. Just buy the guys parts and install them.
So you got the rear Ultra subframe brace to fit, that’s excellent. Did you have to grind out the bushing holder, or did they modify the design after I told them they don’t fit I wonder…

I was going to try to fit mine this week, but think my new diff pump is now in the way.
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Old Jun 7, 2021 | 07:31 PM
  #84  
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Originally Posted by VektorPerforman
^ I'd be game, but every time I plug the part numbers into FCP Euro, it says it does not fit 2013 C63
For some odd reason, MBUSA stopped opting the rectifier for the FL C63, except the BS. It could be the reason why it says it doesn’t fit. Rest assured, it fits on my 2014 sedan.
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Old Jun 7, 2021 | 08:51 PM
  #85  
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W204 c63
Originally Posted by BLKROKT
So you got the rear Ultra subframe brace to fit, that’s excellent. Did you have to grind out the bushing holder, or did they modify the design after I told them they don’t fit I wonder…

I was going to try to fit mine this week, but think my new diff pump is now in the way.
maybe you can spot if it was changed


Last edited by Dr.Speedfellow; Jun 11, 2021 at 12:48 PM.
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Old Jun 9, 2021 | 10:52 PM
  #86  
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Hey Jim,

Give our favorite shop in Jersey a Call. They did my bar last year and made it removeable
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Old Jul 1, 2021 | 09:43 AM
  #87  
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How bad is the rear diff to drop and do this upgrade if I have access to a lift? I see the WIS instructions, but for an average home mechanic with lift access.
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Old Apr 3, 2026 | 03:22 AM
  #88  
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Bumping this thread. I’ve gathered all the parts and I'm ready to install.

I’ve checked with a few a couple shops in the greater Seattle area and they are quoting $1,200–$1,400 in labor, claiming the entire differential has to come out. Wobble64 and others mentioned this being a ~3-hour job ($400–$600).

For those who have done this: Did your shop manage to do the "partial lower" method, or is a full diff drop actually required? I want to make sure I’m not overpaying. Any advice on how to "guide" a shop on the shortcut would be huge. Thanks!
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Old Apr 3, 2026 | 01:17 PM
  #89  
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Originally Posted by Sea63s
Bumping this thread. I’ve gathered all the parts and I'm ready to install.

I’ve checked with a few a couple shops in the greater Seattle area and they are quoting $1,200–$1,400 in labor, claiming the entire differential has to come out. Wobble64 and others mentioned this being a ~3-hour job ($400–$600).

For those who have done this: Did your shop manage to do the "partial lower" method, or is a full diff drop actually required? I want to make sure I’m not overpaying. Any advice on how to "guide" a shop on the shortcut would be huge. Thanks!
This is really at the discretion and comfort of the shop, as the entire posterior covering for the diff has to be removed (after complete drainage of fluids). I would discuss potential option of just dropping the Diff housing to access this posterior cover with the actual Technician who will be installing it. Also, this is a great time to put a LSD in there, if you don't have one already.

Good luck, and let us know how it all shakes out!
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Old Apr 3, 2026 | 09:39 PM
  #90  
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No shop you should take your car to would ever consider doing this for 3hrs of labor. Now if you found an MB tech that does side work for cash.... sure $5-600. Going through a shop though I'd run if they quoted less than $1000..
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Old Apr 4, 2026 | 08:08 AM
  #91  
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No one else other than BLKROKT added a diff oil cooler yet?
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