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    • 2012 CLS 63 AMG dyno comparison - Standard vs. Performance Package. vs. Renntech Stage 1 tune

      This is something we have been waiting to see for a while. An M157 comparison between a standard CLS 63 AMG, a performance package CLS 63 AMG, and a Renntech tuned CLS 63 AMG. The standard car puts down 483 wheel and 478 wheel torque. The performance package ups this to 516 and 544 respectively which is a very nice jump. The Renntech tune then takes this to 583 wheel horsepower and 643 wheel torque which is just about a 100 pound-foot gain on top of the performance package. Incredible? Yes.





      This article was originally published in forum thread: 2012 CLS 63 AMG dyno comparison - Standard vs. Performance Package. vs. Renntech Stage 1 tune started by Sticky View original post
      Comments 21 Comments
      1. flipm3's Avatar
        flipm3 -
        Talk about increased area under the curve! Nice work RENNTech.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by flipm3 Click here to enlarge
        Talk about increased area under the curve! Nice work RENNTech.
        Glad somebody finally said something, I thought this was an awesome comparison to see. Huge gains under the curve, seems they got every last ounce out of the stock turbos.
      1. flipm3's Avatar
        flipm3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Glad somebody finally said something, I thought this was an awesome comparison to see. Huge gains under the curve, seems they got every last ounce out of the stock turbos.
        It so drastic with the change in both power and torque! I would love to drive one of this pre and post tune to just feel the difference.

        Seeing this definitely makes me wonder if getting MB's Performance Package is even worth it despite getting the sportier suspension, brakes, steering wheel, and spoiler.
      1. m54b25's Avatar
        m54b25 -
        After driving new F10 M5 & previously driven the 2012 CLS63 with RENNtech tune or even stock CLS63 w/PP. The F10 M5 will really need to step it up in displacement to at least 5.0L IMHO. Besides AMG new styling & improved quality... the torque & handling of the CLS63 powered by M157 it's give me more chills Click here to enlarge

        Now, I just want the M157 in the W204 Class Coupe =)
      1. flipm3's Avatar
        flipm3 -
        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        After driving new F10 M5 & previously driven the 2012 CLS63 with RENNtech tune or even stock CLS63 w/PP. The F10 M5 will really need to step it up in displacement to at least 5.0L IMHO. Besides AMG new styling & improved quality... the torque & handling of the CLS63 powered by M157 it's give me more chills Click here to enlarge

        Now, I just want the M157 in the W204 Class Coupe =)
        How would you compare the power delivery between the two?

        What is very impressive about those dynos from RENNTech is how it depicts such a flat torque curve. I assume that translates to minimal turbo lag and instantaneous power. For me, I have always been all about the overall driving experience which is why I've always had a preference for the M cars. These new AMG and Black Series cars that are coming out are really tempting me to try one out...
      1. m54b25's Avatar
        m54b25 -
        Definetely, turbo lag it's a thing of the past. The M157 has nice displacement 5.5L, high compression 10:1, & MCT 7 speed gearing.... which translates into more efficient gas engines, pure acceleration & greater fun factor.

        The F10 M5 it's an improvement over the E60 M5, but still lacks that displacement torque (automotive downsizing for efficiency thinking). The M cars are great handling overall vehicules, but lacked in torque IMHO (excluding the Diesels). AMG did not lack in torque, just overall handling.... they are indeed catching up with the 2012 CLS63 no doubt & you should try it!

        Speaking of automotive downsizing:

        Past E60 M5 V10 5.0L all muscle...now F10 M5 V8 4.4L Direct Inj biturbo (they should have kept it between 4.8L-5.0L)

        Past AMG V8 6.2L all muscle...now AMG V8 5.5L Spray Guided Inj biturbo

        BTW, the RENNtech tune on the 2012 CLS63 chassis, it will handle it with no issues... Since AMG 1st gen CLS65 V12 concept has been done before =)

        Click here to enlarge Originally Posted by flipm3 Click here to enlarge
        How would you compare the power delivery between the two?

        What is very impressive about those dynos from RENNTech is how it depicts such a flat torque curve. I assume that translates to minimal turbo lag and instantaneous power. For me, I have always been all about the overall driving experience which is why I've always had a preference for the M cars. These new AMG and Black Series cars that are coming out are really tempting me to try one out...
      1. dzenno@PTF's Avatar
        dzenno@PTF -
        that's a very nice fat torque curve...good job renntech!
      1. flipm3's Avatar
        flipm3 -
        Thanks for the feedback. I'll have to wait until the F10 M5 is available for test drive. I'd love to see what tuners will be able to churn out of the motor with very basic mods. I'm thinking about finally buying a larger sedan for my daily driver. Ideal situation would be that it's a highway monster and better gas mileage than my E46 M3 and E90 M3. Fortunately, I think both the CLS63 AMG, E63 AMG, and F10 M5 all fit the bill!!

        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        Definetely, turbo lag it's a thing of the past. The M157 has nice displacement 5.5L, high compression 10:1, & MCT 7 speed gearing.... which translates into more efficient gas engines, pure acceleration & greater fun factor.

        The F10 M5 it's an improvement over the E60 M5, but still lacks that displacement torque (automotive downsizing for efficiency thinking). The M cars are great handling overall vehicules, but lacked in torque IMHO (excluding the Diesels). AMG did not lack in torque, just overall handling.... they are indeed catching up with the 2012 CLS63 no doubt & you should try it!

        Speaking of automotive downsizing:

        Past E60 M5 V10 5.0L all muscle...now F10 M5 V8 4.4L Direct Inj biturbo (they should have kept it between 4.8L-5.0L)

        Past AMG V8 6.2L all muscle...now AMG V8 5.5L Spray Guided Inj biturbo

        BTW, the RENNtech tune on the 2012 CLS63 chassis, it will handle it with no issues... Since AMG 1st gen CLS65 V12 concept has been done before =)
      1. fastgti69's Avatar
        fastgti69 -
        ohh man, 640 wtq and 580 whp. Wow. The game is changing way too fast for me. By the time I go big turbo I will need to build the motor too! crap.
      1. SpeedLimit?'s Avatar
        SpeedLimit? -
        Click here to enlarge Originally Posted by flipm3 Click here to enlarge
        Thanks for the feedback. I'll have to wait until the F10 M5 is available for test drive. I'd love to see what tuners will be able to churn out of the motor with very basic mods. I'm thinking about finally buying a larger sedan for my daily driver. Ideal situation would be that it's a highway monster and better gas mileage than my E46 M3 and E90 M3. Fortunately, I think both the CLS63 AMG, E63 AMG, and F10 M5 all fit the bill!!
        I think this go 'round AMG has M beat. I think the base model would give the M all it can handle so the PP should show the M its taillights all day! And as far as tuning goes, it looks like you'd have to drop the motor just to add downpipes and remove the cats on the M...not too appealing as I can only imagine how much $$$ will be added for labor to work on the M.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by flipm3 Click here to enlarge
        Seeing this definitely makes me wonder if getting MB's Performance Package is even worth it despite getting the sportier suspension, brakes, steering wheel, and spoiler.
        Not worth it in my opinion but I thought it was just software not suspension and brakes?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
        I think this go 'round AMG has M beat. I think the base model would give the M all it can handle so the PP should show the M its taillights all day! And as far as tuning goes, it looks like you'd have to drop the motor just to add downpipes and remove the cats on the M...not too appealing as I can only imagine how much $$$ will be added for labor to work on the M.
        But the turbos are top mounted so they will be easier to change...
      1. SpeedLimit?'s Avatar
        SpeedLimit? -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        But the turbos are top mounted so they will be easier to change...
        That part could be a plus, but whose going to put out a kit that won't require a new exhaust set up? Unlike the e60 f10 owners are going to see great gains but I think the extra work required is going to add more than than what AMG owners will have to pay for the same kinds of upgrades.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
        That part could be a plus, but whose going to put out a kit that won't require a new exhaust set up?
        You mean exhaust manifolds or an aftermarket exhaust?

        Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
        Unlike the e60 f10 owners are going to see great gains but I think the extra work required is going to add more than than what AMG owners will have to pay for the same kinds of upgrades.
        Not really sure what you are saying here. Changing turbos on the N63/S63 or M157 is going to cost money regardless and these are $100k cars so people are going to have to pay to play. The M3 is only in the 70's and superchargers are $13k+ with plenty of people lining up. I expect turbo upgrades to be somewhere around this range at least early on and people will go for it. That is part of the appeal in my mind.
      1. flipm3's Avatar
        flipm3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Not worth it in my opinion but I thought it was just software not suspension and brakes?
        Yeah, I believe it comes with a sportier suspension, CF engine cover, CF lip spoiler, software, and a nice steering wheel.

        I don't think it's worth it either, haha.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by flipm3 Click here to enlarge
        Yeah, I believe it comes with a sportier suspension, CF engine cover, CF lip spoiler, software, and a nice steering wheel.
        Can we confirm this as I don't think the sportier suspension is right?
      1. flipm3's Avatar
        flipm3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Can we confirm this as I don't think the sportier suspension is right?
        I just read that on the AMG website when I "built" one online. You can double check to make sure I didn't misinterpret.In addition, there is a carbon ceramic brake option and another option to paint the calipers red for free.
      1. m54b25's Avatar
        m54b25 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Can we confirm this as I don't think the sportier suspension is right?
        Same suspension! It comes with mentioned CF trims & red calipers. The only difference, it's that the S63 AMG PP has the most power M157 in the line up & then comes the CL63 PP M157. Certain M157 might also come with an auxiliary radiator cooler, but has not physically confirmed.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        Same suspension! It comes with mentioned CF trims & red calipers. The only difference, it's that the S63 AMG PP has the most power M157 in the line up & then comes the CL63 PP M157. Certain M157 might also come with an auxiliary radiator cooler, but has not physically confirmed.
        That is what I thought, thanks.
      1. flipm3's Avatar
        flipm3 -
        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        Same suspension! It comes with mentioned CF trims & red calipers. The only difference, it's that the S63 AMG PP has the most power M157 in the line up & then comes the CL63 PP M157. Certain M157 might also come with an auxiliary radiator cooler, but has not physically confirmed.
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        That is what I thought, thanks.
        Oh, I stand corrected, my fault. I assumed the listed "Sports Suspension" in the AMG Performance Package was different than the Standard Sports Suspension, but I guess they are the same. Click here to enlarge