Mercedes-Benz SLS AMG--D&M Motorsports Test Drive Review 2012 Chris Moran

An in-depth review of Mercedes' newest world-class supercar, the 2011 Mercedes-Benz SLS AMG. Hosted by Chris Moran. SEE OVER 100 IN-DEPTH AUTO REVIEWS @ www.SUPERCARNETWORK.com. It's five and a half feet long. It weighs 8.8 pounds. Height of an adult female, weight of a gallon or so of gas—these are the critical dimensions of the carbon-fiber driveshaft running between the engine and the rear-mounted transaxle in the new Mercedes SLS AMG. We note this here because, despite the car's retro-gullwing looks, the SLS is utterly bleeding edge—both in terms of its technical attributes and what it represents for Mercedes' in-house tuner. It is not simply a Mercedes with bigger wheels and a breathed-upon V-8 or V-12. It is, down to its churning carbon-fiber core, AMG's first dedicated automobile and the very antithesis of the overly complex and overweight half-million-dollar Mercedes SLR McLaren. "The SLS is a serious super sports car," says AMG chief of development Tobias Moers before taking a shot at the SLR, a carbon-fiber-bodied car that still managed to weigh in at 3858 pounds. "Our SLS weighs only 3572 pounds," he says, nearly 300 pounds lighter than the McMerc. Keeping the 182.6-inch-long, two-seat SLS's mass in check is its entirely aluminum construction (save for that driveshaft and steel A-pillars), a first for Mercedes-Benz. The aluminum structure weighs just 531 pounds, Mercedes says. The most distinctive aspect of the SLS's appearance is, of course, its roof-hinged gullwing doors, an homage to the iconic 300SL Gullwing. But AMG personnel took pains to point out that the doors are the only thing the SLS has in common with the 300SL. "We do not build a retro car at all!" AMG boss Volker Mornhinweg explains sharply. "In fact, we think it is the most advanced super sports car you can buy today." Those gullwing doors look spectacular. Unlike with the original SL, where one had to slide over a wide sill because of the space-frame structure underneath, it's easy to access the SLS's cabin. There's only one issue: Riders need long arms to reach the distant handles at the bottom of each door to pull them closed. The interior is simple and uncluttered, much like a current SL roadster's. While the car's structure is a pure AMG design, most of the parts, except for the shifter, are from the Mercedes bin. The instrument cluster is clear and easy to read, and we love the round HVAC vents. The center console has an aluminum finish, with carbon fiber an option. Press the starter button on the center console, and the now-familiar, AMG-designed 6.2-liter V-8 awakens with an angry yelp. The idle is deep, and the revs rise and fall race-car swiftly. Code-named M159, the engine is basically a reengineered version of the M156 unit that's fitted to AMG's "63" models. The M159 comes with an all-new magnesium intake, forged pistons in place of cast ones, and optimized tubular Exhaust headers. The engineers also switched from a wet sump to a dry arrangement, allowing the engine to be mounted lower to benefit the SLS's center of gravity. The maximum output of 563 horsepower is delivered at 6800 rpm, and peak torque of 479 pound-feet comes at 4750 rpm. In order to satisfy emissions standards—EU5, LEVII, ULEV—the Bosch ME 9.7 AMG engine management is set up to recharge the battery during deceleration. It's another way of trying to eke out decent fuel economy, which, based on Mercedes' European estimates, should equate to roughly 13 mpg city and 20 highway. -Car and Driver, November 2009

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2011 Mercedes-Benz SLS AMG vs 2007 Ferrari F430 Drag Racing Racelegal.com 6-29-2012
Friday night race your ride at qualcomm stadium racelegal drag racing 2007 Ferrari F430 vs 2011 Mercedes-Benz SLS AMG The body styling of the F430 was revised from its predecessor, the Ferrari 360, to improve its aerodynamic efficiency. Although the drag coefficient remained the same, downforce was greatly enhanced. Despite sharing the the same basic Alcoa Aluminium chassis, roof line, doors and glass, the car looked significantly different than the 360. A great deal of Ferrari heritage was included in the exterior design. At the rear, the Enzo's tail lights and interior vents were added. The car's name was etched into the Testarossa-styled driver's side mirror. The large oval openings in the front bumper are reminiscent of Ferrari racing models from the 60s, specifically the 156 "sharknose" Formula One car and 250 TR61 Le Mans cars of Phil Hill. The F430 features a 4.3L V8 petrol engine derived from a shared Ferrari/Maserati design. This new power plant was a significant departure for Ferrari, as all previous Ferrari V8s were descendants of the Dino racing program of the 1950s. This fifty year development cycle came to an end with the entirely new 4.3L, the architecture of which is expected to replace the Dino-derived V12 in most other Ferrari cars. The engine's output specifications are: 490 PS (360 kW; 483 hp) at 8500 rpm and 465 N·m (343 lb·ft) of torque at 5250 rpm, 80% of which is available below 3500rpm. Despite a 20% increase in displacement, engine weight grew by only 4 kg and engine dimensions were decreased, for easier packaging. The connecting rods, pistons and crankshaft were all entirely new, while the four-valve cylinder head, valves and intake trumpets were copied directly from Formula 1 engines, for ideal volumetric efficiency. The F430 has a top speed of 196 mph It's five and a half feet long. It weighs 8.8 pounds. Height of an adult female, weight of a gallon or so of gas—these are the critical dimensions of the carbon-fiber driveshaft running between the engine and the rear-mounted transaxle in the new Mercedes SLS AMG. We note this here because, despite the car's retro-gullwing looks, the SLS is utterly bleeding edge—both in terms of its technical attributes and what it represents for Mercedes' in-house tuner. It is not simply a Mercedes with bigger wheels and a breathed-upon V-8 or V-12. It is, down to its churning carbon-fiber core, AMG's first dedicated automobile and the very antithesis of the overly complex and overweight half. The SLS is a serious super sports car," says AMG chief of development Tobias Moers before taking a shot at the SLR, a carbon-fiber-bodied car that still managed to weigh in at 3858 pounds. "Our SLS weighs only 3572 pounds," he says, nearly 300 pounds lighter than the McMerc. Keeping the 182.6-inch-long, two-seat SLS's mass in check is its entirely aluminum construction (save for that driveshaft and steel A-pillars), a first for Mercedes-Benz. The aluminum structure weighs just 531 pounds, Mercedes says.




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