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  1. #1
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    Article: Weistec releases their tune for the M157 bi-turbo 5.5 liter V8 in 63 AMG models - +149 wheel horsepower for $2950

    Weistec Engineering has released their M157 tune for Mercedes 63 AMG vehicles. The tune adds an incredible 149 wheel horsepower and 193 wheel torque. These gains come on 91 octane and to this point nobody has shown more horsepower on 91 octane pump gas tune only on the M157 platform. In addition to the horsepower gains the top speed limiter is removed, throttle maps are changed for better response, and boost, fuel, and spark are all adjusted. Check out the product page to order or for more info: http://weistec.com/m157s1.html[PRBREAK][/PRBREAK]


    This tune is available for standard M157 vehicles or for those with the optional Performance Package. Gains with the Performance Package are less at 106 wheel horsepower due to the tune being more aggressive from the factory.


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    Key Features:

    • +149 Wheel Horsepower
    • +193 Wheel Torque
    • Eliminate Top Speed Limiter
    • Increased Throttle Response
    • Optimized Boost, Fuel and Spark



    Supported Platforms

    • 2012-Present CLS63 AMG
    • 2012-Present E63 AMG (Sedan and Wagon)
    • 2012-Present S63 AMG
    • 2012-Present CL63 AMG
    • 2012-Present ML63 AMG
    • 2013-Present SL63 AMG

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  2. #2
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    Ugh, same glitch as last time with the Renntech article that eliminated posts.

    Looks like we need a software upgrade.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  3. #3
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    Bumping this due to the loss of earlier posts.

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    INCREDIBLE amount of power from ONLY a tune Click here to enlarge Click here to enlarge ........ and even more impressive that it was done on 91 octane Click here to enlarge

    I'm guessing, +200 whp seems possible with further mods after all Click here to enlarge
    2007 E63 P30
    Click here to enlarge

  5. #5
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    Click here to enlarge Originally Posted by Exeenom Click here to enlarge
    INCREDIBLE amount of power from ONLY a tune Click here to enlarge Click here to enlarge ........ and even more impressive that it was done on 91 octane Click here to enlarge

    I'm guessing, +200 whp seems possible with further mods after all Click here to enlarge
    For sure with a better exhaust design...but $3000 for a tune only ???? Seems pretty steep...

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    Click here to enlarge Originally Posted by LZH Click here to enlarge
    For sure with a better exhaust design...but $3000 for a tune only ???? Seems pretty steep...
    Whatever the market will bear, I suppose. But I agree.

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    Click here to enlarge Originally Posted by c32AMG-DTM Click here to enlarge
    Whatever the market will bear, I suppose. But I agree.
    Yeah for sure. But I mean is there really that much more programming than the M156 tune ? Seems like just different parameters....I dunno. New AMG tax I guess lol

  8. #8
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    Click here to enlarge Originally Posted by LZH Click here to enlarge
    For sure with a better exhaust design...but $3000 for a tune only ???? Seems pretty steep...
    Compare it to the performace package and it is a hp per dollar bargain.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Compare it to the performace package and it is a hp per dollar bargain.
    For sure but all bargains come with a trade off...in this case its the warranty. But I do agree, strictly on paper....the tune is undeniably the way to go with this new motor. I'm going to the dealer tomorrow to test drive the new ML63. Might be a shakeup in my car lineup as this dealer also has a C63BS with track pkg coming soon Click here to enlarge

  10. #10
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    wow. incredible gains from just a tune!

  11. #11
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    Click here to enlarge Originally Posted by LZH Click here to enlarge
    For sure but all bargains come with a trade off...in this case its the warranty. But I do agree, strictly on paper....the tune is undeniably the way to go with this new motor. I'm going to the dealer tomorrow to test drive the new ML63. Might be a shakeup in my car lineup as this dealer also has a C63BS with track pkg coming soon Click here to enlarge
    With what this motor does with just a tune I think it's difficult to not want to pick up that SUV. Would love to trade my Cayenne in for one...

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  12. #12
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    Click here to enlarge Originally Posted by Exeenom Click here to enlarge
    INCREDIBLE amount of power from ONLY a tune Click here to enlarge Click here to enlarge ........ and even more impressive that it was done on 91 octane Click here to enlarge

    I'm guessing, +200 whp seems possible with further mods after all Click here to enlarge
    Most power we have seen on 91 octane, it's insane.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    With what this motor does with just a tune I think it's difficult to not want to pick up that SUV. Would love to trade my Cayenne in for one...
    Yup I'm thinking the same - plus the AWD drive will make it unbeatable off the line. I can't wait to see the salesman's face when I put it in dyno mode for the test drive LOL. Too bad they are not offering this M157 motor in anything that even comes close to a sports car...

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    Click here to enlarge Originally Posted by LZH Click here to enlarge
    Yup I'm thinking the same - plus the AWD drive will make it unbeatable off the line. I can't wait to see the salesman's face when I put it in dyno mode for the test drive LOL. Too bad they are not offering this M157 motor in anything that even comes close to a sports car...
    The new SL is still pretty heavy but it is the closest thing.

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    Nice dyno gains.

    Would love to see some 1/4 mile times with this tune.

    That would be some solid proof that the dyno numbers actually translate to the pavement.

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    Click here to enlarge Originally Posted by AMGSR Click here to enlarge
    Nice dyno gains.

    Would love to see some 1/4 mile times with this tune.

    That would be some solid proof that the dyno numbers actually translate to the pavement.
    With how they presented dyno numbers previously and how they correlated to track times I think we can realistically expect a large real world improvement over stock.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by LZH Click here to enlarge
    For sure but all bargains come with a trade off...in this case its the warranty. But I do agree, strictly on paper....the tune is undeniably the way to go with this new motor. I'm going to the dealer tomorrow to test drive the new ML63. Might be a shakeup in my car lineup as this dealer also has a C63BS with track pkg coming soon Click here to enlarge
    Read somewhere that they're going to make a M157 G63 too. That thing will be bananas.

  18. #18
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    Click here to enlarge Originally Posted by c32AMG-DTM Click here to enlarge
    Read somewhere that they're going to make a M157 G63 too. That thing will be bananas.
    Probably here: http://www.benzboost.com/showthread....ass-on-the-way

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    With how they presented dyno numbers previously and how they correlated to track times I think we can realistically expect a large real world improvement over stock.

    That would be great to see.

    Like to see more than one tuner run 10s and trap over 130 mph with the M157 TT.

  20. #20
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    Click here to enlarge Originally Posted by AMGSR Click here to enlarge
    That would be great to see.

    Like to see more than one tuner run 10s and trap over 130 mph with the M157 TT.
    Me too but the M157 is just getting warmed up. Patience guys, this will be a 9 second motor before we know it.

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    Click here to enlarge Originally Posted by AMGSR Click here to enlarge
    That would be great to see.

    Like to see more than one tuner run 10s and trap over 130 mph with the M157 TT.
    i have the weistec tune on my cls. who wants me to do a 1/4 miles run?

  22. #22
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    Click here to enlarge Originally Posted by saeedg48 Click here to enlarge
    i have the weistec tune on my cls. who wants me to do a 1/4 miles run?
    is that a rhetorical question ?

  23. #23
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    Click here to enlarge Originally Posted by saeedg48 Click here to enlarge
    i have the weistec tune on my cls. who wants me to do a 1/4 miles run?
    Um, go do it!

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