C219 CLS55 and CLS63, 2004-2010

cls55 vs cls63 for tuning

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Old Apr 23, 2008 | 12:37 PM
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cls55 vs cls63 for tuning

Im a long time lurker and have been fortunate to have read and learned much from these boards. Thank you all.

Im planning on buying a 55 or 63 and doing a Kleeman (or Brabus, Renntech, etc) level 3 package or the reasonable equivalent. I have 2 questions.

First, is the 55 more readily tuned? ( I dont race but Im looking for a car that would do mid 11's and a 0-60 around 4.0). It seems there are more alternatives given its been out longer and the ease of getting reasonable gains from an increase in boost and concurrent intake/exhaust work.

Second, will I feel a significant difference from stock? Is there a huge difference between a stock 4.3 0-60 and a hopefully attainable 4.0 or a 12 second vs mid 11 second car?

Thanks for any and all input and advice.
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Old Apr 23, 2008 | 07:37 PM
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Originally Posted by scoote69
Im a long time lurker and have been fortunate to have read and learned much from these boards. Thank you all.

Im planning on buying a 55 or 63 and doing a Kleeman (or Brabus, Renntech, etc) level 3 package or the reasonable equivalent. I have 2 questions.

First, is the 55 more readily tuned? ( I dont race but Im looking for a car that would do mid 11's and a 0-60 around 4.0). It seems there are more alternatives given its been out longer and the ease of getting reasonable gains from an increase in boost and concurrent intake/exhaust work.

Second, will I feel a significant difference from stock? Is there a huge difference between a stock 4.3 0-60 and a hopefully attainable 4.0 or a 12 second vs mid 11 second car?

Thanks for any and all input and advice.

I have seen both stock 55's and stock 63's hit 4 second 0-60 times. The times are driver dependant more so than the level of tunes in the cars. Just because the power is greater does not mean it can be transferred to the pavement. Either car will be incredible but obviously the boost can be turned up on the 55 and the 63 would need headers, weight mods and or a SC or turbo's or NOS to match a stage 3 55. I spent about 6k on my car and it is only as fast as a stage 1-2 55. You could do NOS cheap and the 63 loves it, guy here just went 11.80's and the car was not properly tuned. He could certainly match a stage 5 55. So just depends. Adding the KB SC to the 63 likely will be expensive, but certainly make the car scream.What does it cost to do headers , cams, pulley and a tune on a 55?
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Old Apr 23, 2008 | 08:08 PM
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Its roughly 10k for ecu, headers etc. for a 55.

http://www.gmbhmotorsports.com/index...isplay&tab=318

Of course, an 06 55 is about 10k less than an 07 63.

For 10k am I going to see/feel a significant or even noticable difference if I dont race?
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Old Apr 23, 2008 | 08:36 PM
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06 CLS55 w/ P030, 05 Jag S Type R, 05 TBird-68 Dodge Charger R/T-440 w/4speed I'm original owner
My 55 fully loaded with P030 option, no distronic is $ 107K. The 63 is $ 111K. $ 5K difference.
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Old Apr 23, 2008 | 08:38 PM
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Originally Posted by scoote69
Im a long time lurker and have been fortunate to have read and learned much from these boards. Thank you all.

Im planning on buying a 55 or 63 and doing a Kleeman (or Brabus, Renntech, etc) level 3 package or the reasonable equivalent. I have 2 questions.

First, is the 55 more readily tuned? ( I dont race but Im looking for a car that would do mid 11's and a 0-60 around 4.0). It seems there are more alternatives given its been out longer and the ease of getting reasonable gains from an increase in boost and concurrent intake/exhaust work.

Second, will I feel a significant difference from stock? Is there a huge difference between a stock 4.3 0-60 and a hopefully attainable 4.0 or a 12 second vs mid 11 second car?

Thanks for any and all input and advice.
DO A SEARCH. geez
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Old Apr 23, 2008 | 08:39 PM
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Originally Posted by m_berman
My 55 fully loaded with P030 option, no distronic is $ 107K. The 63 is $ 111K. $ 5K difference.
$4k by my math but who's counting
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Old Apr 23, 2008 | 11:17 PM
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Originally Posted by m_berman
My 55 fully loaded with P030 option, no distronic is $ 107K. The 63 is $ 111K. $ 5K difference.
They stopped making cls55's in 06. So what you paid new is irrelevant. An 06 55 is about 60k. An 07 63 is about 70k. Hence, a 10k difference.
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Old Apr 23, 2008 | 11:23 PM
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Originally Posted by transferred
DO A SEARCH. geez
I should have put in my first post that I not only searched this forum, but read nearly every post dealing with tuning. I also surveyed other forums and purused the tuners' websites. After all of that, I never found a direct comparison of 0-60 or quarter mile times for the same car with the same driver, which compared pre tuning with post tuning. Nor have I found much if any discussion on streetability and reliability--understandable with 63's as they are pretty new to tuning, but surprising for 55's. I also never found any comparison between the aftermarket tuning of a 63 NA engine vis-avis a 55 supercharged engine. Nor could I surmise much from reading many posts touching on these issues as they dealt with different drivers and different cars and never got to the crux of my concerns and inquiries.
If you or anyone else could link a thread or give me your personal experience id greatly appreciate it.
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Old Apr 24, 2008 | 01:53 PM
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Originally Posted by scoote69
I should have put in my first post that I not only searched this forum, but read nearly every post dealing with tuning. I also surveyed other forums and purused the tuners' websites. After all of that, I never found a direct comparison of 0-60 or quarter mile times for the same car with the same driver, which compared pre tuning with post tuning. Nor have I found much if any discussion on streetability and reliability--understandable with 63's as they are pretty new to tuning, but surprising for 55's. I also never found any comparison between the aftermarket tuning of a 63 NA engine vis-avis a 55 supercharged engine. Nor could I surmise much from reading many posts touching on these issues as they dealt with different drivers and different cars and never got to the crux of my concerns and inquiries.
If you or anyone else could link a thread or give me your personal experience id greatly appreciate it.
In stock form, both cars are very close in performance and like juicee mentioned, performance times are very driver dependent. However, you're very interested in tuning the car, then the CLS55 would be the way to go, as modding stages for it will be cheaper and it is more tested and proven. The 55k has been out for almost 6 years compared to only 2 years for 63. The reason you have not seen many comparative dynos is because the CLS is very rare and out of the few members that do have them a smal percentage mod them or even races them. However, if you look at the E55/E63 section, there are countless members who ran their cars before and after mods and showed great improvement. Many of the people who were running 12.0 to 12.6 stock, started running 11.4 to 11.8 after mods. The most popular mods are: Kleemann K2 and K3, RennTech R5, Evosport Stage 2, and most recently VRP VR600 and LET Stage 1. Any one of those mod packages will drop your 0-60 times and 1/4 mile times considerably

Hopefully soon we will start to see 63 power stages and test them on the track
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Old Apr 24, 2008 | 02:05 PM
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MB Forever Thank you very much for your reply. Ill check the other subforums.
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Old Apr 29, 2008 | 04:32 PM
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MB Forever,
You left out my K4 E55.
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Old Apr 29, 2008 | 06:13 PM
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Originally Posted by 2MANYCARS
MB Forever,
You left out my K4 E55.
oh yeah and 2MANYCARS's E55 Kleemann K4 power house
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