SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: Racing and ESP settings.

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Old Mar 19, 2014 | 10:01 PM
  #1  
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SL 63 AMG
Racing and ESP settings.

Have 2009 SL 63 AMG. Totally stock. (arrangements made for stage 3 renntech upgrade in mid May)

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.
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Old Mar 19, 2014 | 10:21 PM
  #2  
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06 SL65AMG, 13 Tesla Model S 60kwh, 02 Jaguar S-Type 3.0, 12 S550 4 Matic, 07 E320 Bluetec, 06 LX470
I'm assuming that 890ish BHP turbo upgrade? And get some good tires to put that power down.

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
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Old Mar 21, 2014 | 11:26 PM
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I find race start acts as governor so I don't use it

Originally Posted by TBerdit
Have 2009 SL 63 AMG. Totally stock. (arrangements made for stage 3 renntech upgrade in mid May)

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.
I can't speak to what the 890 hp will be like 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!
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Old Mar 21, 2014 | 11:46 PM
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SL 63 AMG
Originally Posted by mcguirja
I can't speak to what the 890 hp will be like 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!
That's about what I suspected. Rolling start, esp disabled, sport+ mode for shifts. I love race start mode, and I am aware that it's only functional from a dead start, but I feel it's more of a novelty feature.

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.
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Old Mar 21, 2014 | 11:56 PM
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What are you looking at for cost on your modifications?

I've estimated $20k for the weistec with all the pieces required on top of the core SC (about $13,000) which is making me consider versus jump right in. Hadn't read about the engine not being ideal for this kind of mod, so I guess another reason to just be considering.

Last edited by mcguirja; Mar 22, 2014 at 12:00 AM.
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Old Mar 22, 2014 | 07:19 AM
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With my SL65, it seems dyno mode is the only guaranteed way to get away with any sort of success...even if you are spinning it will keep spinning forward...
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Old Mar 22, 2014 | 08:44 PM
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06 SL65AMG, 13 Tesla Model S 60kwh, 02 Jaguar S-Type 3.0, 12 S550 4 Matic, 07 E320 Bluetec, 06 LX470
Originally Posted by TBerdit
That's about what I suspected. Rolling start, esp disabled, sport+ mode for shifts. I love race start mode, and I am aware that it's only functional from a dead start, but I feel it's more of a novelty feature.

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.
I would honesty consider looking at other tuners vs Renntech if those are the mods you are looking for since Renntech is known for overpricing all there stuff

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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Old Mar 23, 2014 | 11:09 AM
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Going to try Dyno Mode

Originally Posted by ttboost
With my SL65, it seems dyno mode is the only guaranteed way to get away with any sort of success...even if you are spinning it will keep spinning forward...
Thanks, I didn't know how to engage dyno mode, but since your suggestion, I've found a number of threads in the forum that provide information on how to do it. None were specific to the SL63 but think based on the number of threads there are, one of them should work for me. Now all I need is for the snow to finally melt so I can take it out of hibernation.
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Old Mar 23, 2014 | 11:16 AM
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Any views on Weistec SC Upgrade?

Originally Posted by V12TTenthusiast
I would honesty consider looking at other tuners vs Renntech if those are the mods you are looking for since Renntech is known for overpricing all there stuff

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
Wesitec is about $13k. Would also need LSD and a view other things so am assuming a $20k investment. I need to be able to pass emissions tests so was looking at the Weistec Stage 1 SC. Is there a reason this engine wouldn't perform well with a SC? For this engine I'm finding just a tune provides minor HP and Torque improvements, the Weistec seems to be best money/value upgrade I've been able to find. Any thoughts appreciated.
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Old Mar 24, 2014 | 12:15 PM
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Originally Posted by V12TTenthusiast
I'm assuming that 890ish BHP turbo upgrade? And get some good tires to put that power down.

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
V12TT - what Quaife model # did you buy? I looked on their site, but couldn't find one for any R230. Thanks!
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Old Mar 24, 2014 | 05:16 PM
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06 SL65AMG, 13 Tesla Model S 60kwh, 02 Jaguar S-Type 3.0, 12 S550 4 Matic, 07 E320 Bluetec, 06 LX470
It should be 230066 but I had Paul at EC/DC order it for me, apparently for this model LSD, you have to special order it from the UK
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