SL55/63/65/R230 AMG: Racing and ESP settings.
Will I be faster from the start with esp completely off or in sport mode under the following conditions;
Race start from dead stop
Race start from 20mph roll
I want to smoke a couple of the local kids with hot rod mustangs, along with some of the old guys (my peers) with corvettes. Any help is appreciated.
If I were you I would also invest in LSD, and Toe-links
I swapped the stock SL65 LSD to a Quaife and it made such a difference in putting the power down, and from what I read Renntech Toe-links will help you a lot with fish tailing, and that's my next mod lined up



Will I be faster from the start with esp completely off or in sport mode under the following conditions;
Race start from dead stop
Race start from 20mph roll
I want to smoke a couple of the local kids with hot rod mustangs, along with some of the old guys (my peers) with corvettes. Any help is appreciated.
but with my stock SL63 I like ESP off, rolling start and sport+ or manual mode. With manual, you have to be very alert with your shifts as red line comes on very fast. I still find with manual I'm too late with my shifts, where sport+ seems to optimize.I might be mistaken but RS only works from 0 not a rolling start. You have to go through a series of steps to enable it, including full brake and full throttle. I find RS actually governs the take off to minimize wheel spin and is slower than what I do on my own, although controlling wheel spin is a challenge.
I've been considering the Weistec SC upgrade, they have a 50 state emissions legal one. As V12 suggested though, doing this without LSD and a couple of other modifications would only exacerbate the inability for the car to get the power to the road.
Enjoy your mods, sounds like it will be an awesome beast!
but with my stock SL63 I like ESP off, rolling start and sport+ or manual mode. With manual, you have to be very alert with your shifts as red line comes on very fast. I still find with manual I'm too late with my shifts, where sport+ seems to optimize.I might be mistaken but RS only works from 0 not a rolling start. You have to go through a series of steps to enable it, including full brake and full throttle. I find RS actually governs the take off to minimize wheel spin and is slower than what I do on my own, although controlling wheel spin is a challenge.
I've been considering the Weistec SC upgrade, they have a 50 state emissions legal one. As V12 suggested though, doing this without LSD and a couple of other modifications would only exacerbate the inability for the car to get the power to the road.
Enjoy your mods, sounds like it will be an awesome beast!
The stage 3 renntech includes the following; ecu upgrade, 82mm throttle body, carbon fiber airbox, stainless steel long tube headers, trans upgrade and locking diff. I read somewhere the engine really wasn't designed for forced induction so I am likely to ignore that mod.



Last edited by mcguirja; Mar 22, 2014 at 12:00 AM.
The stage 3 renntech includes the following; ecu upgrade, 82mm throttle body, carbon fiber airbox, stainless steel long tube headers, trans upgrade and locking diff. I read somewhere the engine really wasn't designed for forced induction so I am likely to ignore that mod.
ECU Upgrade you can def find somewhere else
I heard Kleemann make pretty good headers for price is lower then Renntech
82 mm throttle body you can get pretty much anywhere, or just bore out slightly the OEM 80 mm TB
There LSD is way over priced you better off getting Quaife and Quaife is a very reputable LSD maker
If you were going to buy Renntech Parts I'd do the following
Carbon Fiber Airbox
Transmission Upgrade
And with the money your saving buy not buying everything at Renntech get Toe Links as Renntech is the only maker for our cars
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ECU Upgrade you can def find somewhere else
I heard Kleemann make pretty good headers for price is lower then Renntech
82 mm throttle body you can get pretty much anywhere, or just bore out slightly the OEM 80 mm TB
There LSD is way over priced you better off getting Quaife and Quaife is a very reputable LSD maker
If you were going to buy Renntech Parts I'd do the following
Carbon Fiber Airbox
Transmission Upgrade
And with the money your saving buy not buying everything at Renntech get Toe Links as Renntech is the only maker for our cars
If I were you I would also invest in LSD, and Toe-links
I swapped the stock SL65 LSD to a Quaife and it made such a difference in putting the power down, and from what I read Renntech Toe-links will help you a lot with fish tailing, and that's my next mod lined up


