The new Mercedes-Benz SL65 AMG
- Author: blog_team_2
- Date: 21 April, 2012
How do you make a 4,300-pound roadster accelerate to 60 miles per hour in under four seconds? Easy, just fit it with a twin-turbocharged 6.0-liter V12 that cranks out 621 horsepower and – wait for it – 738 pound-feet of torque. Sounds bonkers, right? Welcome to the 2013 Mercedes-Benz SL65 AMG.
- Refined exclusive performance
Montvale – Mercedes-AMG is launching itself into the 2012 roadster season with a vengeance. Arriving in U.S. dealerships in November, the new MY2013 Mercedes-Benz SL65 AMG V12 Roadster is making its world debut at the 2012 New York Auto Show. The AMG 6.0-liter V12 biturbo engine generates a peak output of 621 hp and a maximum torque of 738 lb-ft. The use of an all- aluminum body-in-white delivers a drastic weight reduction as the MY13 SL65 AMG is 254 pounds lighter than before. The distinctive front end is dominated by the new “twin-blade” grille with two blade-shaped fins and the lower horizontal bar in the front skirt in high-gloss chrome.
The SL65 AMG joins the SL550 roadster and the SL63 AMG roadster. The SL550 has a starting retail price of $106,375 and arrives in U.S. Mercedes-Benz dealerships in May. The SL63 AMG arrives in July. “The combination of exclusive V12 dynamics and cultivated roadster pleasure was already unique in the previous model. We are certain that, with the new SL65 AMG, we have developed a stunning high-performance automobile beyond compare for a small, but loyal fan base,” says Ola Källenius, CEO of Mercedes-AMG GmbH.
The intelligent lightweight design of the bodyshell also contributes to the reduction of fuel consumption. A key element in the improved fuel efficiency is the result of the AMG SPEEDSHIFT PLUS 7-Speed transmission, the ECO stop/start function, and improvements to the internal efficiency of the engine and alternator management. Despite a considerable improvement in fuel economy, the peak output of the AMG 6.0-liter V12 biturbo engine is up from 604 hp to 621 hp. The maximum torque stands at a mighty 738 lb-ft. This unparalleled output provides amazing propulsion for the new SL65 AMG – acceleration from 0 to 60 mph takes 3.9 seconds. Top speed in the U.S. market stands at 186 mph. The key attributes of the AMG biturbo twelve-cylinder include its heart-stopping acceleration, and seamless power delivery combined with a distinctive AMG V12 soundtrack. In short, the SL65 AMG captures the imagination with its refined, stylish performance. The AMG 6.0-liter V12 biturbo engine (M 279) is based on the previous M 275 unit and has been extensively developed for its application in the new SL65 AMG. New turbochargers with an enlarged spiral cross-section, new manifolds and wastegate channels optimized for airflow deliver an additional 17 hp. The multi-spark ignition with twelve twin ignition coils not only makes for smoother running, but also works together with a new, more powerful engine management and optimized cylinder heads to provide even more effective combustion. The outcome is fewer exhaust emissions, which is also in large part due to the optimized catalytic converter system. The redeveloped AMG sport exhaust system incorporates a modified pipe layout for improved flow coupled with a weight reduction of seven pounds resulting from reduced wall thicknesses. And it is not just the inner attributes of the AMG 6.0-liter V12 biturbo engine that are stunning – the engine also looks inspiring. The carbon-fiber and aluminum engine cover further underscores the exceptional nature of the powerful twelve- cylinder that lies beneath.
AMG SPEEDSHIFT PLUS 7-Speed transmission
For the first time, AMG is combining the 6.0-liter V12 biturbo engine with the AMG SPEEDSHIFT PLUS 7-Speed transmission. The wide ratio spread of the seven- speed automatic transmission delivers significantly lower revving and helps in the reduction of fuel consumption. A new fuel-economy torque converter, reduced- friction bearings and transmission oil thermal management further increase the efficiency of transferring power to the wheels. The AMG SPEEDSHIFT PLUS 7-Speed transmission features four individual drive programs that can be selected at the touch of a button on the center console – Controlled Efficiency (C), Sport (S), Sport plus (S+) and Manual (M). The ECO stop/start function is always active in C mode. For the greatest sense of involvement and dynamics, there is the automatic double-declutch function for downshifting, as well as brief and precisely defined retardation of ignition and injection during upshifting under full load. The latter also reduces shift times. Intelligent lightweight design featuring all-aluminum body-in-white and carbon Compared to the steel construction of the previous model, the all-aluminum body-in- white of the new SL65 AMG delivers weight savings, as well as superior stiffness, safety and comfort. Intelligent lightweight design also means optimizing components for their specific application. For instance, an array of different aluminum processes come into play – components are made using gravity die casting or vacuum pressure casting, worked into extruded profile or used as aluminum sheet with varying wall thicknesses. The results are a high degree of stiffness and safety and improved vibration characteristics. Engineers made use of the even lighter magnesium for part of the cover behind the fuel tank. High-strength steel tubes are integrated into the A- pillars for reasons of safety.
New electromechanical AMG speed sensitive steering
Combined with the all-new, electromechanical AMG speed-sensitive sports steering, the V12 top-of-the-range model offers a stunning ride with excellent dynamics and very clear feedback at the edge of the performance envelope. The steering ratio is constant and direct, while the power assistance adjusts in line with the chassis mode. Standard equipment also includes the 3-stage ESP®, a specialty exclusive to AMG with “SPORT Handling” mode for enthusiastic drivers. The enormous engine power is harnessed with the aid of AMG rear-axle locking differential, which is also standard equipment. Top deceleration figures, perfect modulation and excellent stability – all standard features of an AMG high-performance brake system. The same applies to the all- new brakes on the SL65 AMG – on the front axle are 15.4 x 1.4 in. compound discs with six-piston fixed calipers, while the rear axle boasts 14.2 x 1.0 in. integral discs with single-piston floating calipers. An electric parking brake is standard equipment. The even more powerful and weight-optimized AMG carbon ceramic brake system familiar from the SLS AMG is available as optional equipment.
Interior pleasure for all the senses
Inside, the SL65 AMG is distinguished from its eight-cylinder sibling by highly exclusive design and equipment features. One particular eye-catcher is the electrically adjustable AMG sports seats with one or two-color upholstery in exclusive leather featuring AMG-specific V12 diamond stitching. This distinctive upholstery also appears on the center door panels. The AMG logo embossed on the seat backs is a standard feature, as are AIRSCARF neck-level heating, the multi-contour function, seat memory and seat ventilation. The designo headliner in leather featuring AMG V12 diamond stitching provides a perfect finish that is both visual and tactile. The cockpit design is reminiscent of the SLS AMG – the four air vents in jet-engine style, the E-SELECT gear lever and the AMG DRIVE UNIT are all evocative of the super sports car. The selection of exquisite materials and high quality of workmanship in the interior of the SL65 AMG creates a truly sensual masterpiece. This is underscored by the AMG trim elements in carbon, the analog clock in IWC design, the chromed and white illuminated AMG entry trim and the AMG performance steering wheel incorporating an AMG logo in the lower metal spoke. A 225 mph scale in the AMG instrument panel and the AMG start-up display with exclusive AMG V12 BITURBO animation hints at the phenomenal dynamics of the SL65 AMG.
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