• Mercedes V8 showdown, M156 versus M159 - Weistec Stage I supercharged SL63 AMG versus tuned/bolt on SLS AMG

      This is a comparison we have been wanting to see of a supercharged M156 taking on a tuned M159 in an SLS. The SLS belongs to a BenzBoost member named SLS AMG and it features bolt on's including a tune and exhaust mods. The SL63 AMG in this video is a 2009 R230 that belongs to his brother. The car has a Stage I Weistec supercharger. Full specs including weight of the cars are below. The supercharged car is putting out more power and it wins although the SLS hangs in there very well. Maybe time to upgrade the SL to the Weistec Stage 2+ supercharger?

      There is no question that with a Weistec supercharger the SLS would win. A great comparison and we thank the two BenzBoost members involved for bringing it to us. Check out the video and specs below.


      2011 SLS AMG:
      - Custom ECU dyno tune PP-Performance
      - Supersprint Racing Headers (catless)
      - Supersprint Xpipe (catless)
      - 160F Thermostat
      - BMC filters
      - Pirelli Corsa tires (track spec)
      - Weight of the SLS without driver : 1520 KG (spare removed and running catless)

      2009 SL63 AMG:
      - Weistec Stage1+ ECU software tune
      - Weistec Supercharger Stage 1+ kit
      - MBH Longtube Try-Yi headers (catless)
      - Caragraphic Catless H pipes
      - 160F thermostat
      - Carbonio Intake
      - Pipercross Filters
      - Michelin Pilot Cups tires
      - Weight of the SL63 without driver: 1880 KG (Spare removed and installed Evosport rotors on all four sides, running catless)

      This article was originally published in forum thread: Mercedes V8 showdown, M156 versus M159 - Weistec Stage I supercharged SL63 AMG versus tuned/bolt on SLS AMG started by Sticky View original post
      Comments 30 Comments
      1. DavidV's Avatar
        DavidV -
        Looks a bit like the SLS started in the wrong gear.
        After the initial jump it hangs pretty well with the SL.
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by DavidV Click here to enlarge
        Looks a bit like the SLS started in the wrong gear.
        After the initial jump it hangs pretty well with the SL.
        Nope We both started from 2nd gear roll on 40 km/hr. The temperature in that video was @ 95-97F. We previously raced in a cooler temperature @ 74 and my SLS was furthur behind.

        We Vboxed both car frm 100km/hr-200Km/hr

        SLS: 6.4
        Sl63: 5.9

        yes its a big difference

        Right now the SL is tapping 6.2-6.3

        Heat kills supercharged cars. I'm pretty sure when I race him after two weeks, when the temperature gets above 110F I will be ahead of him.

        I'll just make sure not to race him during the winter when the temp is @ 45-55FClick here to enlarge
      1. Sticky's Avatar
        Sticky -
        Where are you located exactly?
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Where are you located exactly?
        Qatar , Arabian Gulf
      1. Sorena's Avatar
        Sorena -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        Arabian Gulf
        Where is that exactly?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        Qatar , Arabian Gulf
        I may want to visit someday.
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Sorena Click here to enlarge
        Where is that exactly?
        Very funnyClick here to enlarge
      1. Sorena's Avatar
        Sorena -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        Very funnyClick here to enlarge
        Yes, very. What post you are referring to? Mine or yours? Click here to enlarge
      1. ecampbell's Avatar
        ecampbell -
        Click here to enlarge Originally Posted by Sorena Click here to enlarge
        Yes, very. What post you are referring to? Mine or yours? Click here to enlarge
        I thought funny as well...you do know where Qatar is don't you?
      1. Sorena's Avatar
        Sorena -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        I thought funny as well...you do know where Qatar is don't you?
        Sure, I've been there quite a few times. My problem is the name of that Gulf Click here to enlarge
      1. ecampbell's Avatar
        ecampbell -
        gotcha....internationally = persian, locally = arabian.
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        gotcha....internationally = persian, locally = arabian.
        Sorena wants me to type Persian. Its not persian as most of the territory belongs to Arab countries
      1. Jacob502's Avatar
        Jacob502 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I may want to visit someday.
        make sure when you visit, you visit at a time when the temperature is not between 110-125F Click here to enlarge
      1. ecampbell's Avatar
        ecampbell -
        Jacob...you have come to the dark side...welcome!
      1. LZH's Avatar
        LZH -
        Surprised how well that SLS hung in there. The immediate boost from the SL put it out in front right away but it didn't seem to pull away from that SLS at all.
      1. Sorena's Avatar
        Sorena -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        Sorena wants me to type Persian.
        Definitely you are right sir. I do ask you to type it's real name.
      1. Jacob502's Avatar
        Jacob502 -
        Joseph,
        That is an excellent Article and excellent write up. Thank you very much for taking the time to compile the video and post this great Article

        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        Jacob...you have come to the dark side...welcome!
        Thank you. I love it. I just got back from completely killing an Audi R8 V10. You guys should have seen the look on his faceClick here to enlarge

        Click here to enlarge Originally Posted by LZH Click here to enlarge
        Surprised how well that SLS hung in there. The immediate boost from the SL put it out in front right away but it didn't seem to pull away from that SLS at all.
        You are completely right. My Bro's SLS is an animal. He has a really good tune. Actually two weeks ago I pulled harder on him when the temperature was lower. Seriously, I did not expect to be ahead of him at all, you have to remember the SL is heavy and weighs 360KG ~ 810lbs more than the SLS. When his car is supercharged, he will be destroying everybody.

        Prior to installing the SC, his car wouldnt leave no trace against me. boosts away in a flah!.
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Sorena Click here to enlarge
        Definitely you are right sir. I do ask you to type it's real name.
        I just did, "Arabian Gulf" that's its real name. Your location tells me alot about yourself. This is an AMG forum. I don't want to argue with you any further and trun this into a political issue. If you are into that, you mentioned that you visit Qatar. When you come here tell everybody that the "Arabian Gulf" is called the "Persian Gulf", and see how much the Citizens of Qatar welcome you. Click here to enlargeNow please let's get back to the subject. If you want to further disrupt I suggest you find yourself another thread. I won't be replying to you any further. Good luck and have a good day.
      1. nielsll's Avatar
        nielsll -
        Historically and internationally[2][3][4] known as the Persian Gulf, this body of water is sometimes controversially referred to as the Arabian Gulf or simply The Gulf by most Arab states,[5] although neither of the latter two terms are recognized internationally. The name Gulf of Iran (Persian Gulf) is used by the International Hydrographic Organization.[6]
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Jacob502 Click here to enlarge



        Thank you. I love it. I just got back from completely killing an Audi R8 V10. You guys should have seen the look on his faceClick here to enlarge


        You are completely right. My Bro's SLS is an animal. He has a really good tune. Actually two weeks ago I pulled harder on him when the temperature was lower. Seriously, I did not expect to be ahead of him at all, you have to remember the SL is heavy and weighs 360KG ~ 810lbs more than the SLS. When his car is supercharged, he will be destroying everybody.

        Prior to installing the SC, his car wouldnt leave no trace against me. boosts away in a flah!.
        You reminded me when I smoked that douchebag with his lousy modded Corvette Z06, in your SL63. When he was talking with me at the traffic light he said this SL63 has no chance Click here to enlarge

        And then I ended up killing his lousy Corvette Click here to enlarge
        I told him "hey man there's probably something wrong with your engine" Click here to enlarge

        and he was about to cry from getting smoked Click here to enlarge