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    • Kleemann's 770+ horsepower Mercedes-Benz C197 SLS AMG M159 V8 supercharger system released - Dyno, video

      The SLS AMG is already a very powerful car in stock form with its excellent naturally aspirated 6.2 liter M159 AMG built V8. Taking such a great motor and adding a little boost can only make it better right? How about to the tune of 770 horsepower from the stock 562-583 (depending on model year). Kleemann did provide a dyno substantiating their horsepower claims showing a peak of 770.4 horsepower a few hundred rpm before redline.

      As Kleemann is based in Denmark BenzBoost.com is not familiar with the dyno used or how this dyno would translate to numbers at the wheels on Dynojet to put the figures in context. There is obviously no doubt the Eaton TVS based system will add power and the pictured exhaust upgrades are stated as required by Kleemann to realize the full power.

      No USA pricing announced yet or if the specifications transfer over to 91 octane pump gas. Hopefully more details will come but until then enjoy the pictures, dynograph, and video below.











      This article was originally published in forum thread: Kleemann's 770+ horsepower Mercedes-Benz C197 SLS AMG M159 V8 supercharger system released - Dyno, video started by Sticky View original post
      Comments 142 Comments
      1. Maverick1975's Avatar
        Maverick1975 -
        Yes i have 3 weistec superchargers and one Kleeman kit. All are on cars that a driven hard as daily drivers. (my first track experience with supercharged CLK63 ended with a shredded belt after 2 laps). I guess because i was one of the early adopters i had plenty of issues with Weistec superchargers. I had multiple failed belts, multiple failed bearings inside the superchargers, multiple power steering failures. Other Australian based customers endured the same issues, particularly power sweering failures, whether this is a right hand drive phenomenon i dont know. I am not sure if power steering reservoiur needs to be relocated in LHD cars but it does in RHD cars and it seemed to correlate with negative impact on survivability of my power steeering pumps in 2 of my cars. the CLK failed twice, the C63 once but SL63 has been ok. I know of several other cars in Austrlaia that lost power steering shortly after installing Weistec superchargers. I believe the design change to single drive puley was in part driven by my negative experiences and Wistec gusy looking to to fix it with a more robust prodcut. The first year plus of ownership of the Weistec product was very trying as every single one of my cars had to be towed to workshop multiple times for repairs. I ordered my second kit after we thought sorted out belt issues with first kit only to have belt issues in that one and then on the 3rd kit as well. Guess i am a sucker for punishment, but the power increase is addictive As i said, 2 cars suffered failed power steering pumps within, one of them twice and this cost me a fortune. I came within a hair's breath of removing all the Weistec superchargers from my cars but the SL has been operating perfectly for about 1 year now and the C63 for about the same and the CLK Black Series lost power steering again just a few months ago. The power steering pump was replaced again and the reservoir was replaced by Rmaspeed with a Kleeman supplied reservoir which is larger and custom fitted to a better position in the engine bay. No probs since then. I have had the Kleeman product in my C63 Black Series for at least six months i guess and only one issue was slight degradation of the belt - seems to be common problem with supercharger manufactures not being able to supply fit for purppose belts. The belt was replaced with a sturdier item from Gator i believe and is perfectly intact.

        Both products yield tremendous increases in power and torque and have totally transformed the cars, they are simply unbelioeveable. The Kleeman product is quieter than Weistec meaning less whine and less overall mechanical noise (i enjoy the whine though). The Kleeman product is apparently more expensive but i bought mine about 18 months ago under a special deal and was comparable to Weistec pricing at the time. I like the Weistec guys and Steve was often on the phone to help out where he could but objectively the Kleeman product has shown to be significantly more reliable for a daily driven car than the early release Weistec products. The C63 BS feels the fastest of all my cars, whether thats down to it being a superior piece of equipment to start with, or the Kleeman product showing an edge of Weistec i just dont know.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Maverick1975 Click here to enlarge
        Yes i have 3 weistec superchargers and one Kleeman kit. All are on cars that a driven hard as daily drivers. (my first track experience with supercharged CLK63 ended with a shredded belt after 2 laps). I guess because i was one of the early adopters i had plenty of issues with Weistec superchargers. I had multiple failed belts, multiple failed bearings inside the superchargers, multiple power steering failures. Other Australian based customers endured the same issues, particularly power sweering failures, whether this is a right hand drive phenomenon i dont know. I am not sure if power steering reservoiur needs to be relocated in LHD cars but it does in RHD cars and it seemed to correlate with negative impact on survivability of my power steeering pumps in 2 of my cars. the CLK failed twice, the C63 once but SL63 has been ok. I know of several other cars in Austrlaia that lost power steering shortly after installing Weistec superchargers. I believe the design change to single drive puley was in part driven by my negative experiences and Wistec gusy looking to to fix it with a more robust prodcut. The first year plus of ownership of the Weistec product was very trying as every single one of my cars had to be towed to workshop multiple times for repairs. I ordered my second kit after we thought sorted out belt issues with first kit only to have belt issues in that one and then on the 3rd kit as well. Guess i am a sucker for punishment, but the power increase is addictive As i said, 2 cars suffered failed power steering pumps within, one of them twice and this cost me a fortune. I came within a hair's breath of removing all the Weistec superchargers from my cars but the SL has been operating perfectly for about 1 year now and the C63 for about the same and the CLK Black Series lost power steering again just a few months ago. The power steering pump was replaced again and the reservoir was replaced by Rmaspeed with a Kleeman supplied reservoir which is larger and custom fitted to a better position in the engine bay. No probs since then. I have had the Kleeman product in my C63 Black Series for at least six months i guess and only one issue was slight degradation of the belt - seems to be common problem with supercharger manufactures not being able to supply fit for purppose belts. The belt was replaced with a sturdier item from Gator i believe and is perfectly intact.

        Both products yield tremendous increases in power and torque and have totally transformed the cars, they are simply unbelioeveable. The Kleeman product is quieter than Weistec meaning less whine and less overall mechanical noise (i enjoy the whine though). The Kleeman product is apparently more expensive but i bought mine about 18 months ago under a special deal and was comparable to Weistec pricing at the time. I like the Weistec guys and Steve was often on the phone to help out where he could but objectively the Kleeman product has shown to be significantly more reliable for a daily driven car than the early release Weistec products. The C63 BS feels the fastest of all my cars, whether thats down to it being a superior piece of equipment to start with, or the Kleeman product showing an edge of Weistec i just dont know.
        It's not unheard of to have issues being early to get a product nobody else has out there. I've had my share of issues as well. Products that comes out later can often skip some of the teething problems as they have the benefit of somebody else being a guinea pig.

        Regarding the sound, makes complete sense. One is a roots style blower while the other is a twin screw. They will have some noise differences due to engineering differences.

        Both should definitely provide a large power gain.

        Your experience and feedback is appreciated quite rare to have someone who owns both with extensive seat time in both.

        Regarding what feels or is faster, wouldn't you be able to set something up regarding comparison runs?
      1. Maverick1975's Avatar
        Maverick1975 -
        Well dyno runs down here cost $150-200 a piece so its not cheap when you have 4 superchargers to do before and after. Drga strip comparos are not out of the question. would happily put the cars in the hands of experienced driver to do tests as i have have zero quarter mile experience. My comment on C63BS is made just from feel only, zero emprical data. My post was not meant to impugn guys at Weistec, i got decent support form Steve and Michael. I guess it was the trials and tribulations of being an early adopter that i was perhaps unprepared for.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Maverick1975 Click here to enlarge
        Well dyno runs down here cost $150-200 a piece so its not cheap when you have 4 superchargers to do before and after. Drga strip comparos are not out of the question. would happily put the cars in the hands of experienced driver to do tests as i have have zero quarter mile experience. My comment on C63BS is made just from feel only, zero emprical data. My post was not meant to impugn guys at Weistec, i got decent support form Steve and Michael. I guess it was the trials and tribulations of being an early adopter that i was perhaps unprepared for.
        Somehow I feel if you have four superchargers on M156's you can afford the dyno runs but I understand.

        The C63 BS will feel the fastest due to its more raw nature by default anyway.

        I do not get the impression that your post was negative at all simply sharing your experience.

        Before / after dynos would have been a goldmine though.
      1. Maverick1975's Avatar
        Maverick1975 -
        I did do some before and after dynos on the CLK63 and C63 i think but the comparison is a bit corrupted because some had after market mufflers, some had headers at the time etc. i am not sure where the graphs are. I could never really do a like for like comparo which would have involved multiple dynos of each car after each mod. After spending $20k on each sc with install dropping another couple of grand on dynos was not palatable to me. The Kleeman equipped car for example has stock headers but secondary cat and resonator delete while other cars all have longtubes but from different manufacturers. as you can see the usefulness of the data becomes increasingly complicated.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Maverick1975 Click here to enlarge
        I did do some before and after dynos on the CLK63 and C63 i think but the comparison is a bit corrupted because some had after market mufflers, some had headers at the time etc. i am not sure where the graphs are. I could never really do a like for like comparo which would have involved multiple dynos of each car after each mod. After spending $20k on each sc with install dropping another couple of grand on dynos was not palatable to me. The Kleeman equipped car for example has stock headers but secondary cat and resonator delete while other cars all have longtubes but from different manufacturers. as you can see the usefulness of the data becomes increasingly complicated.
        I definitely understand.

        Would you mind specifying which car has what blower? You have a CLK63, C63 BS, what am I missing?
      1. Maverick1975's Avatar
        Maverick1975 -
        I have:

        ML63 with Vath V63RS kit (shorty heads sports cats and ECU tune and Mille Miglie exhaust
        SL63 with Weistec supercharger, defilipo longtube headers, hiflow cats Mille Miglia custom exhaust
        C63 sedan with Weistec supercharger, cargraphic headers, hiflow cats, Mille Miglia custome exhaust
        C63 BS with Kleeman supercharger secondary cat and resonator removed
        CLK63 BS with Weistec supercharger, deflippo headers, hiflow cats and Mille Miglia custom exhaust
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Maverick1975 Click here to enlarge
        I have:

        ML63 with Vath V63RS kit (shorty heads sports cats and ECU tune and Mille Miglie exhaust
        SL63 with Weistec supercharger, defilipo longtube headers, hiflow cats Mille Miglia custom exhaust
        C63 sedan with Weistec supercharger, cargraphic headers, hiflow cats, Mille Miglia custome exhaust
        C63 BS with Kleeman supercharger secondary cat and resonator removed
        CLK63 BS with Weistec supercharger, deflippo headers, hiflow cats and Mille Miglia custom exhaust
        You must really love the M156. Quite a lineup.
      1. Maverick1975's Avatar
        Maverick1975 -
        it goes alright i guess!
      1. George Smooth's Avatar
        George Smooth -
        Click here to enlarge Originally Posted by Maverick1975 Click here to enlarge
        it goes alright i guess!
        Welcome to the forum.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by George Smooth Click here to enlarge
        Welcome to the forum.
        He's been here for a bit...
      1. George Smooth's Avatar
        George Smooth -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        He's been here for a bit...
        Well since he started talking.
      1. ecampbell's Avatar
        ecampbell -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        You must really love the M156. Quite a lineup.
        Joe, I drove with Jim awhile ago with his stage 3 C/BS. The car was several hundred hp down on our clk's however the trans is such a huge step forward, it felt almost equal. We were going at stupid speeds and I thought we were going to die (we were drifting when Jim took a sip of tea which didn't help). It was not until the carbon brakes kicked in that I thought $#@!, this is a car.

        Not to derail this thread but I am dying how it will compare to my new wagon coming in Jan.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        Joe, I drove with Jim awhile ago with his stage 3 C/BS. The car was several hundred hp down on our clk's however the trans is such a huge step forward, it felt almost equal. We were going at stupid speeds and I thought we were going to die (we were drifting when Jim took a sip of tea which didn't help). It was not until the carbon brakes kicked in that I thought $#@!, this is a car.
        The transmission is definitely a large step forward and the shorter gearing will have an impact in feel alone.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        Not to derail this thread but I am dying how it will compare to my new wagon coming in Jan.
        What type of wagon?
      1. ecampbell's Avatar
        ecampbell -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        What type of wagon?
        http://www.motortrend.com/roadtests/...on_first_test/
      1. Sticky's Avatar
        Sticky -
        Ya that's a hell of a wagon.
      1. ecampbell's Avatar
        ecampbell -
        It won't be staying stock for more than 500 miles.

        the sad thing is that my option list is not ready until Jan. Will be FBO Germany.
      1. Sticky's Avatar
        Sticky -
        It shouldn't. Too much power to be uncorked.
      1. Jacob502's Avatar
        Jacob502 -
        Guys,


        Just to clear things up about @Maverick1975 belt issues. First of all I want to say that I am glad that Maverick is enjoying his supercharger on his BS from Kleeman. The Old design featuring the cog pulley from Weistec wasnt direct with the pullies from the engine. This was causing issues when the 2.3L came out. This was done to keep the system CARB approved .some of my friends runin with C63's including @Sirex63 ran with the same issues with the belt tearing apart. I NEVER HAD IT with My SL63. I do know though, that Weistec were assisting them every way possible and sending them belts when needed.

        This is the reason Weistec switched to the direct pulley system on both the 2.3L and 3.0L. My SL63 now has the 3.0L SC with the direct drive. I have been driving it hard without any problems and verified a world record from 60-130.


        I really dont think there would be much diffrence between the 2.3L from Weistec and Kleeman. In fact, I truly believe Weistec has the edge on this one. Put the 3.0L and I believe its game over for everybody.

        whos offering tranny upgrades, oil seperators, modified sprak plugs, upgraded engine internals, larger injectors, and ice tanks?

        I think one could see who really has this platform figured out better than the otherClick here to enlarge


        btw, Kleeman owe me $4000 that I still did not recieve from them!