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      Published on 05-28-2011 10:12 PM
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      Well here it is, finally. Car is basically the same as its gullwing coupe sibling except that it loses the gullwing doors which add so much character to the coupe. The car looks great as a roadster, just as it does in coupe form, and the transition came without much of a weight penalty. Only 40 additional kilograms for the reinforcement of the already stiff aluminum chassis. All other mechanicals remain identical to the coupe, so the same M156 563 horsepower 6.2 liter V8 and the same dual clutch transmission. The car goes on sale in the United States in the fall, this year. ...
      Published on 05-28-2011 12:37 AM
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      Seems like everybody is tuning the SLS these days. German tuner MEC Design decided to get in on it and their offering is the standard fare. They offer a new front bumper with an LED option of course since that is the hot new thing. A modified rear diffuser with 3 options is available including a GT3 carbon fiber style diffuser. Side skirts are included as well with optional LED's just in case an SLS with the doors going up at your local Starbucks doesn't get you enough attention as is. ...
      Published on 05-26-2011 10:20 AM
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      Earlier this year we reported there was a rumor going around that Mercedes was planning an AMG version of the GL. Turns out the rumors were true as the AMG version of the GL, the GL63, was spotted testing on the ring. There should not be any major surprises here, the powerplant will be the M157 twin turbo V8 we are all growing to love which produces plenty of torque which will be needed to move this behemoth. Considering the performance package version of the motor, which will be available for the GL63 as well, can move the nearly 5000 pound S-class to low 12's, this should be one quick SUV. ...
      Published on 05-25-2011 08:33 AM
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      Congratulations, yet again, to Renntech for raising the bar for the SLR as well as the M113/M155 supercharged 55 AMG Mercedes V8. We had known about this run for a little while now but no proof was posted. Well, Renntech finally put a video up along with some specs validating the record. Renntech claims this SLR puts out 634 whp with a modified pulley, custom tuning, Renntech exhaust, and a high volume intercooler pump. The car was run with drag radials as well as with a new transmission cooler. ...
      Published on 05-24-2011 04:00 AM
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      Mercedes continues to expand its lineup in a manner appealing to enthusiasts. The car has been given an internal development codename and is set to slot in around the $100,000 mark. It will be launching in 2014 and be powered a V8. We assume the M156 will be nearing the end of production if not out of production at that point which means it will likely be powered by an M157 twin turbo V8. The SLC is likely to share much of the drivetrain from the next generation SL. A big thumbs up to Mercedes for offering so many different performance options. ...
      Published on 05-23-2011 10:45 PM
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      Mercedes has been testing the upcoming 2012 SLK55 AMG on the ring and photographers have captured the newest test model. The sideskirts and front fascia are more aggressive as expected along with the typical oval shaped quad exhaust. The question remains, what motor will it have? The current rumor is that it will have an M157 twin turbo based variant just without the turbos. We find that a bit disappointing as if going the naturally aspirated route at least give it the M156 out of the C63 AMG. This little car has a lot of potential but Mercedes holds the SLK back to prevent it from stepping on the toes of its big brother AMG's. ...
      Published on 05-22-2011 01:12 PM
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      The 2011 Spanish Grand Prix had Sebastian Vettel continue his dominance. Vettel won, again, after starting second when teammate Mark Webber took the pole for the first time. Hamilton and Button finished in second and third respectively for McLaren-Mercedes. The Spanish Grand Prix was the first race in which Michael Schumacher finished ahead of teammate Nico Rosburg. Michael Schumacher finished sixth and Nico Rosberg finished in seventh which is the best result for the duo this season. ...
      Published on 05-21-2011 04:00 AM
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      Eisenmann is a factory supplier for AMG which often means they do not produce aftermarket exhausts for Mercedes AMG models. An exception in this instance has been made and Eisenmann has wrapped up its sport perforamnce C63 AMG exhaust prototype. The exhaust should be officially available soon and features 120x77 mm tips. A race exhaust system will also be available after the sport. As always, the exhaust will be available for purchase through BenzBoost premier vendor IND who is the official North American Distributer for Eisenmann: www.eisenmann-na.com ...
      Published on 05-20-2011 08:21 PM
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      When we posted the dyno numbers for the M157 Performance Package twin turbo we were blown away. Over 500 horsepower at the wheels? Over 600 wheel torque? Ridiculous power indeed. The question was how it would transfer to the dragstrip and we have an answer. Insideline ran the car hitting 12.3@116. We expected a bit more out of it but putting the time in context with the S65 AMG that they tested to 12.6@115 and you see the new S63 AMG is actually quicker and faster than the S65 AMG. Remember, this is a 5,000 pound car. ...
      Published on 05-20-2011 02:12 AM
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      We reported not too long ago that the M156 was rumored to be confirmed for the Black Series C-Class. With this latest round of spy photos M157 twin turbo V8 rumors have started up again due to the sounds heard from the car when testing. Could it just be a photographer imagining things? Sure, as all signs are pointing to the M156 right now. It could be that Mercedes hasn't made their own minds up yet. ...
      Published on 05-18-2011 10:42 PM
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      The M156 has received plenty of accolades over the years, deservedly so. However, its run in the International Engine of the Year awards has come to an end in 2011. The M156 won the Best Performance Engine of the Year category for the past 2 years (2009, 2010) as well as the best engine over 4.0 liters of displacement taking the place of the BMW S85 V10. The Ferrari 4.5 liter V8 from the 458 Italia has knocked the M156 out of both spots. It was a good run and 63 AMG owners with the motor should be proud that it took an engine in a car over $250k to beat it out. ...
      Published on 05-18-2011 06:06 AM
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      This is the 2030 Mercedes Aria by Slavche Tanevski. A student at the Munich Univeristy of Applied Sciences, this design was his bachelor's thesis and we are guessing he passed. He was under the direct instruction of Mercedes designers, talk about a tough crowd to impress. It is also imagined as an all electric design and it would seem by 2030 Mercedes expects most of its cars to be electrics. Check it out, it's just a dream, but a great one. ...
      Published on 05-17-2011 05:18 AM
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      The 551 whp dyno graph posted below is from a CLK63 Black Series belonging to BenzBoost member Ecampbell. He was kind enough to share his graph after some controversy resulting from a 573 whp graph that we posted for a similar Weistec supercharger setup. The graph you see here is the result of a claimed 5.5-6.0 psi with aftermarket Hennessey headers and an Evosport exhaust. Very strong results for 91 octane pump gas. ...
      Published on 05-16-2011 07:35 PM
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      We finally have some test numbers for the new M278 4.7 liter direct injected twin turbo V8 that will be going into all the new Mercedes 550 models. In the very heavy CL550 at California Speedway (a notoriously slow drag strip) Edmunds Insidline was able to hit a 12.8@109 on street tires. This is in an almost 4700 pound car. What this means is with this motor in the E class the new E550 is going to be putting up acceleration numbers that won't be too far off the previous generation E63 AMG with the M156 naturally aspirated V8. The new E550 is going to be a very fast car and this bodes well for the new E63 AMG. The new CL550 basically matches the elapsed time of the previous naturally aspirated CL63 AMG and is a few MPH off its trap speed. ...
      Published on 05-16-2011 01:01 AM
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      Bruno Spengler conitnued his strong racing for Mercedes finishing in second place after taking the pole in qualifying. Spengler won the first of the season but was not able to hold off Mike Rockenfeller in his Audi. Audi took the 1st, 3rd, and 5th spots with Mercedes taking 2nd and 4th out of the top 5. The next race is in 21 days in Austria. ...

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