SLK/R170: 6 speed SLK E55 AMG build thread
Engine will be an E55 AMG (later to be supercharged) (will ship Monday)
Trans will be a 6 speed from the 2003 3.2 Crossfire. (in transit)
Brake upgrade will be SL500 Brembo brakes (in transit)
330mm slotted rotors (I need suggestions on a brand and seller likely Brembo)
I am yet to decide on coilovers but if I can save and wait I will go D2's had em and loved em.
Yes this is quite the lofty build but very similar builds have been done by a select few and I am starting to reach out to people with this specialized expertise so if you are reading it and you are that person say hello and if you know someone who could be this person do some name dropping.
I was hoping for a wider rear wheel but the deal was too good to not do it. I can always run drag slicks in the rear if I track it.
18x7.5. Zinick Z15's
Along with the engine I received the key the ignition and the ecu
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By the time your car will approach 11 second qtrs I feel every factory part will blow apart. And have to be custom made. almost,all suspension parts will have to be upgraded . Then you get into the tq and the car will crumble. In the end the sl55 will be better faster cheaper and better equipped to handle what your looking for
An 82mm throttle body (on the right) for the increased air I intend to flow

A better set of headers. I learned that I would need to pull the engine to add them later so may as well do it in round 1

Might do long tubes later once I know what my spacing will look like.
I will be building a custom intake like the others I have seen similar to the needswings setup. So I picked up a y pipe.

Picked up a aeromotive for for the additional fuel requirements and a Bosch 044 fuel pump (no pic of it at the moment) I do intend to split the fuel rail to get better equalization in the line and I will likely loop it just because my Legend was.

I was able to score a great deal on a supercharger fully equipped with everything but the SC pulley which was okay because I knew what I wanted and it was not a stock pulley.




Not too long after getting the supercharger I came across the pulley I wanted. Now I just need someone who can tune all this madness lol. Eurocharged 77mm fixed pulley.


And now we are all caught up. I have this build posted on a few different sites as I go in hopes to find as many people as possible who are into this kind of stuff and enjoy it along with sharing learning experiences you may have gone through so again sharing wisdom is appreciated. I still need a good heat exchanger, 550cc injectors, a radiator and an lsd. Hope to here from you soon.
Last edited by Telion; Jan 2, 2016 at 07:07 PM.
Made another tune impacting purchase in an effort to not have to re-tune the car multiple times before it is where I want it. This one is the 82mm throttle body. If I upgraded later it would require a re-tune. I won't get a baseline but I will save a lot of money in the long run this way. Just a few more items before I am ready to end the purchasing phase and jump into the building phase.
Pics of the 82mm throttle body.


This is a pic of the mounting difference between stock (Tb gasket) and the 82mm throttle body.

Left on the wish list is a wavetrack lsd, all aluminum radiator, inline intake air filters, and a set of 550cc injectors then down the road perhaps an ice tank and coil overs but those can wait.

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the diameter is so much bigger in person than when looking at pics of intakes kinda makes me laugh. I will go with 4" inlets that will lead into 5" pipe that will house the 5" inline filters then it will narrow back out into 4" piping that will narrow down to a 3.5" y which will lead into the 82mm throttle body 
In this case I agree 100% since Mercedes had made changes in the pistons of the w211 to make them stronger than the w210 there is reason to believe they won't handle as much force. I believe they changed the writ pin thickness and the oil channel to increase the strength of the w211. I also know the w211 has a lower compression design, unfortunately neither are forged aluminum if I recall. My plan at first is the same as yours emncfi low boost till I prove this actually will all work together and that I can do it then I will do an engine rebuild with Ross pistons and up the boost.




They were able to tune my hybrid ecu just like a normal e500, but I am n/a and have a stock engine for now. I was looking into tb upgrades and ran into your thread. I just ordered my 82mm and a spare intake manifold, once those come in I will play around with how I am going to mount the tb. I will probably end up doing a diy dual intake like yours after I am able to get everything to play nice together.





How are you planning on dealing with the boost tune wise?