E320 5 speed swap help
Super Member
Joined: Oct 2009
Posts: 534
Likes: 13
From: Beirut, Lebanon
2006 C55 AMG 6 speed
I'm not sure if any 4 cyl tranny besides the 2.3/2.5 AMG doglegs would work. I do know that the standard 5 speed off of the 6 cylinder 2.6 works, as does the dogleg.
I did this swap last year, and the tranny I used was the standard W124 300E 5 speed. Those came here. The 300E-24V and E320 are the same engine besides overboring and EFI, so the transmissions do fit.
Therefore, the transmissions that will fit for SURE on your E320 are:
Dogleg out of 2.3/2.5 AMG,
Standard 190E 2.6 5 speed,
standard E320 manual which is identical to the 2.6, however some E320 Sportlines came with the same dogleg out of the AMG 190E's.
Remember, you need to also change your flywheel, install the 3 pedal setup, buy a pressure plate, etc... The best way to do this is to purchase an entire 2.6 assembly, if the W124 5 speed assembly isn't available.
4 speed trannies came on the older Mercs, but I don't think they fit, besides that they suck.
I did this swap last year, and the tranny I used was the standard W124 300E 5 speed. Those came here. The 300E-24V and E320 are the same engine besides overboring and EFI, so the transmissions do fit.
Therefore, the transmissions that will fit for SURE on your E320 are:
Dogleg out of 2.3/2.5 AMG,
Standard 190E 2.6 5 speed,
standard E320 manual which is identical to the 2.6, however some E320 Sportlines came with the same dogleg out of the AMG 190E's.
Remember, you need to also change your flywheel, install the 3 pedal setup, buy a pressure plate, etc... The best way to do this is to purchase an entire 2.6 assembly, if the W124 5 speed assembly isn't available.
4 speed trannies came on the older Mercs, but I don't think they fit, besides that they suck.
Super Member
Joined: Oct 2009
Posts: 534
Likes: 13
From: Beirut, Lebanon
2006 C55 AMG 6 speed
Oh, and you'll notice a significant performance upgrade when you swap to manual, too.
The 5 speed automatic that came on the M104s draw 30% of the engine's power to the wheels, while the manual draws 15%.
220 - 30% = ~155whp
220 - 15% = ~187whp
I consider that a very good performance mod, don't you? :P
The 5 speed automatic that came on the M104s draw 30% of the engine's power to the wheels, while the manual draws 15%.
220 - 30% = ~155whp
220 - 15% = ~187whp
I consider that a very good performance mod, don't you? :P
Senior Member
Joined: Sep 2007
Posts: 259
Likes: 0
From: Calgary, AB
1995 E320 Cabriolet
Oh, and you'll notice a significant performance upgrade when you swap to manual, too.
The 5 speed automatic that came on the M104s draw 30% of the engine's power to the wheels, while the manual draws 15%.
220 - 30% = ~155whp
220 - 15% = ~187whp
I consider that a very good performance mod, don't you? :P
The 5 speed automatic that came on the M104s draw 30% of the engine's power to the wheels, while the manual draws 15%.
220 - 30% = ~155whp
220 - 15% = ~187whp
I consider that a very good performance mod, don't you? :P
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Super Member
Joined: Oct 2009
Posts: 534
Likes: 13
From: Beirut, Lebanon
2006 C55 AMG 6 speed
What would this transmission cost down there?
So tell me oh great Shoomakan, besides the obvious parts, what in all do I need to get from the salvaged car.
And don't me a smartass. :P
Here's the thread I posted a long time ago asking that very question:
https://mbworld.org/forums/e-class-w...-question.html
BSMWUK had it down pat. Ask him for input. Remember what he said about the flywheel, it applies to you.
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Newbie
Joined: Jan 2017
Posts: 1
Likes: 0
320E and E320
If you are thinking of it do the swap. I recently bought a wrecked 320 with a manual tranny and used it as a donor car so it was an easy swap. Result is fantastic! Best is the longer legs so lower revs at cruising speeds. Manual and auto share same ratios for 1st through 4th and the manual has a 5th gear - makes all the difference.
