SL/R129: M113k swap
Thread Starter
Newbie
Joined: Jan 2020
Posts: 8
Likes: 1
From: Houston, Texas
1999 500sl
M113k swap
Hello all, has anyone done and shared info about an m113k swap from an SL55, e55, etc into the r129? I have a 99 500sl and it has the standard m113. I figure the bolt in process should be easy enough especially given that the transmissions are the same 722.6. The problem would be the wiring harness and ecu and getting all the electrical stuff figured out. I've seen some mention of CLs swapped to the m113k but never an SL. Any info would be greatly appreciated.
Senior Member
Joined: Dec 2014
Posts: 326
Likes: 47
From: Yorba Linda CA
94 SL320 98 SL500 99 SL600 07 SL55
Here is a good posting on this as I'm going to do the same .
https://mbworld.org/forums/sl-class-...-ecu-tune.html
https://mbworld.org/forums/sl-class-...-ecu-tune.html
Thread Starter
Newbie
Joined: Jan 2020
Posts: 8
Likes: 1
From: Houston, Texas
1999 500sl
Here is a good posting on this as I'm going to do the same .
https://mbworld.org/forums/sl-class-...-ecu-tune.html
https://mbworld.org/forums/sl-class-...-ecu-tune.html
MBWorld Fanatic!
Joined: Apr 2002
Posts: 2,668
Likes: 211
From: Bahrain
R129 SL55 AMG & W208 CLK55 AMG
Swapping out a Naturally Aspirated M113 for a force induced one is not plug and play for sure.
You may want to change out your complete intake manifolds along with the furl rails, and one thing you are definitely going to face is.... ta taaaaa WIRING HARNESS issues.
You will also need to swap out your ECU for this and virginize it too.
Then comes your transmission and rear diffs. That's a whole other story.
You may want to change out your complete intake manifolds along with the furl rails, and one thing you are definitely going to face is.... ta taaaaa WIRING HARNESS issues.
You will also need to swap out your ECU for this and virginize it too.
Then comes your transmission and rear diffs. That's a whole other story.
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Senior Member
Joined: Dec 2014
Posts: 326
Likes: 47
From: Yorba Linda CA
94 SL320 98 SL500 99 SL600 07 SL55
Swapping out a Naturally Aspirated M113 for a force induced one is not plug and play for sure.
You may want to change out your complete intake manifolds along with the furl rails, and one thing you are definitely going to face is.... ta taaaaa WIRING HARNESS issues.
You will also need to swap out your ECU for this and virginize it too.
Then comes your transmission and rear diffs. That's a whole other story.
You may want to change out your complete intake manifolds along with the furl rails, and one thing you are definitely going to face is.... ta taaaaa WIRING HARNESS issues.
You will also need to swap out your ECU for this and virginize it too.
Then comes your transmission and rear diffs. That's a whole other story.
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Senior Member
Joined: Dec 2014
Posts: 326
Likes: 47
From: Yorba Linda CA
94 SL320 98 SL500 99 SL600 07 SL55
https://www.weistec.com/m113k-supercharger-system.html
MBWorld Fanatic!
Joined: Apr 2002
Posts: 2,668
Likes: 211
From: Bahrain
R129 SL55 AMG & W208 CLK55 AMG
Also, the tuner is asking $1500 for this, it's time consuming as he will be performing the dyno runs, parameter checks and adaptations and working along side Jerry from Eurocharged to get the tune just perfect.. not only to simulate the 55 AMG tune, but actually a nice power bump up to to 385hp too.
I'm saving up as we speak. School fees are killing me!
Senior Member
Joined: Dec 2014
Posts: 326
Likes: 47
From: Yorba Linda CA
94 SL320 98 SL500 99 SL600 07 SL55
The car is running fine, that's why I haven't even bothered with the tune yet.
Also, the tuner is asking $1500 for this, it's time consuming as he will be performing the dyno runs, parameter checks and adaptations and working along side Jerry from Eurocharged to get the tune just perfect.. not only to simulate the 55 AMG tune, but actually a nice power bump up to to 385hp too.
I'm saving up as we speak. School fees are killing me!
Also, the tuner is asking $1500 for this, it's time consuming as he will be performing the dyno runs, parameter checks and adaptations and working along side Jerry from Eurocharged to get the tune just perfect.. not only to simulate the 55 AMG tune, but actually a nice power bump up to to 385hp too.
I'm saving up as we speak. School fees are killing me!
Newbie
Joined: Jul 2024
Posts: 1
Likes: 0
1995 Mercedes SL320
Hello all, has anyone done and shared info about an m113k swap from an SL55, e55, etc into the r129? I have a 99 500sl and it has the standard m113. I figure the bolt in process should be easy enough especially given that the transmissions are the same 722.6. The problem would be the wiring harness and ecu and getting all the electrical stuff figured out. I've seen some mention of CLs swapped to the m113k but never an SL. Any info would be greatly appreciated.
