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C63 Black Series - RennTech tune - will it go over 200 mph?

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Old Jun 17, 2024 | 12:39 PM
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C63 Black Series - RennTech tune - will it go over 200 mph?

Hello! So, I have a RennTech ECU tune on the way, and I was curious if anyone knows if the slight bump in power, and the elimination of the speed governor, will allow it to go over 200 mph in a safe and closed environment. Prior to the tune, the car seemed to be able to get over 180 mph without much issue at all, so I'm wondering if the gearing and other factors will let it exceed the 200 mph barrier.

Has anyone done it or have experience with it on a U.S. spec C63 Black Series?

Thank you,
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Old Jun 17, 2024 | 02:20 PM
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500E - CLK BS
Where can you do this at? I would like to test my car
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Old Jun 17, 2024 | 03:52 PM
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2013 c63 Magnuson SCed
If you have the Aero package that won't help with a top speed trial. Regardless, I think it's probably top out in the 190s somewhere compared to other AMGs with their aerodynamics and power levels. 🤷‍♂️
​​​​​
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Old Jun 17, 2024 | 04:33 PM
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'12 C63BS "SlickTop", '08 CLK63BS, '16 E63S wagon, '12 CLS63, amongst other non-Merc toys
what hardware mods are you pairing the software to Mitch?

with everything else stock, you'll have zero gain in peak power, OEM software already maxed out the peak-power potential of the OEM hardware on our BS..

you might see some gains over the power-band & along the curve on dyno, but no peak power gain.
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Old Jun 17, 2024 | 06:07 PM
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There is a video from Carwow where a BS went 203 mph I believe, but it was supercharged and didn't say what tune, I believe other then the supercharger it was stock. Without a supercharger it should still be able to go over 200, but would take a long runway I believe.
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Old Jun 17, 2024 | 06:57 PM
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From: NYC
500E - CLK BS
Evo Sport had one of their CLK BS hit 207 mph with a tune and exhaust goodies
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Old Jun 18, 2024 | 02:18 AM
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Originally Posted by Lemons6245
There is a video from Carwow where a BS went 203 mph I believe, but it was supercharged and didn't say what tune, I believe other then the supercharger it was stock. Without a supercharger it should still be able to go over 200, but would take a long runway I believe.
Thats Acids car at MSL, far from stock 😄 It’s stage 3 Weistec build with additional cooling mods. Plus that was 200+ in 1/2 or full mile
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Old Jun 18, 2024 | 11:12 AM
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2013 c63 Magnuson SCed
Originally Posted by Phil_T
Thats Acids car at MSL, far from stock 😄 It’s stage 3 Weistec build with additional cooling mods. Plus that was 200+ in 1/2 or full mile
Definitely full mile. These need about 1,200-1,300hp minimum and lots of traction to hit 200mph in a half mile.
I'm hoping to hit 170mph in a half mile run with ~740chp/625whp, but need to dial in some cooling mods and a better tune first.
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Old Jul 9, 2024 | 03:36 PM
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Originally Posted by 1JDM911
what hardware mods are you pairing the software to Mitch?
lable c
with everything else stock, you'll have zero gain in peak power, OEM software already maxed out the peak-power potential of the OEM hardware on our BS..

you might see some gains over the power-band & along the curve on dyno, but no peak power gain.
That's the issue. I want to get the RennTech Carbon Fiber airbox and throttle body, as well as the headers, but the airbox is unavailable currently. So, I would like to add more, I just don't know what will be a good match. I like things to match and work together as designed.
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Old Jul 9, 2024 | 03:37 PM
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'94 NSX,'99 NSX Z,'12 C63 Black Series (Prior: '07 E63, '08 CLK63 Black Series,'14 E63-S & 16 C63-S)
Originally Posted by duuder
Evo Sport had one of their CLK BS hit 207 mph with a tune and exhaust goodies
I genuinely think that was my old car. It was one of two CLK63 Black Series done by Evo Sport that had the entire catalog thrown at it.
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Old Jul 9, 2024 | 03:39 PM
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'94 NSX,'99 NSX Z,'12 C63 Black Series (Prior: '07 E63, '08 CLK63 Black Series,'14 E63-S & 16 C63-S)
Originally Posted by Accidental L8 apex
If you have the Aero package that won't help with a top speed trial. Regardless, I think it's probably top out in the 190s somewhere compared to other AMGs with their aerodynamics and power levels. 🤷‍♂️
​​​​​
No Aero Package. As nuts as this sounds, I specifically wanted a car WITHOUT the Aero Package to stay a little more 'low profile'. I am too old for big wings, and plus, they won't go through the car wash.
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Old Jul 9, 2024 | 03:41 PM
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500E - CLK BS
Originally Posted by Meeyatch1
I genuinely think that was my old car. It was one of two CLK63 Black Series done by Evo Sport that had the entire catalog thrown at it.
i believe i have one of the cars right now...
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Old Jul 9, 2024 | 03:42 PM
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Originally Posted by duuder
i believe i have one of the cars right now...
There were (2). One with red brake calipers, and one with blue. Mine was the blue caliper one, and it is in Florida. I have tried to buy it back about (100) times. Do you have the other?
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Old Jul 9, 2024 | 03:43 PM
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From: NYC
500E - CLK BS
Originally Posted by Meeyatch1
That's the issue. I want to get the RennTech Carbon Fiber airbox and throttle body, as well as the headers, but the airbox is unavailable currently. So, I would like to add more, I just don't know what will be a good match. I like things to match and work together as designed.
and the RennTech airbox was the only airbox that actually gave you more power!
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Old Jul 9, 2024 | 03:45 PM
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From: NYC
500E - CLK BS
Originally Posted by Meeyatch1
There were (2). One with red brake calipers, and one with blue. Mine was the blue caliper one, and it is in Florida. I have tried to buy it back about (100) times. Do you have the other?

i have this one with the red calipers and i have the carbon fiber dymag wheels too. this was fs at RennTech around 2015/16

Last edited by duuder; Jul 9, 2024 at 04:29 PM.
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