The technological highlights of the 2012 SLS AMG Roadster embody an aluminum spaceframe physique, an AMG 6.three-liter V8 entrance-mid engine with dry sump lubrication developing a peak output of 563 hp and 479 pound-ft of torque, a seven-speed dual clutch transaxle transmission and a sports activities suspension with aluminum double wishbones - all of which is able to increase the heart beat of sports activities automobile fans while providing excellent driving dynamics and driving pleasure.
The compact material soft prime of the Mercedes-Benz SLS AMG Roadster opens and closes in simply eleven seconds, and may be operated on the transfer at speeds up to 31 mph (50 km/h). The brand new Adaptive AMG Sport Suspension with electronically managed damping is offered as a pretty optionally available extra. It permits the damping characteristics to be modified on the touch of a button. Utilizing the AMG DRIVE UNIT, the driver of the SLS AMG Roadster is due to this fact in a position to choose his own suspension setup. Three modes can be found: "Comfort", "Sport" and "Sport plus".
"AMG Efficiency Media" is a novel new feature: this innovative, motorsport-impressed multimedia system provides an unrivalled mixture of quite a few telemetric shows comparable to lateral and linear acceleration, various engine knowledge and lap times on a racetrack.Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and CEO of Mercedes-Benz Automobiles: "The SLS Roadster is a brilliant sports automotive, cruiser and extremely desirable dream-automobile all in one. In its distinctive method, it continues the succession of iconic and thrilling sports automobiles from Mercedes-Benz."
Ola Källenius, Chairman of Mercedes-AMG GmbH: "Systematic lightweight construction, excellent efficiency and a wide ranging design mixed with sensuous open-air driving pleasure - the new Mercedes-Benz SLS AMG Roadster perfectly embodies the AMG philosophy of German engineering and craftsmanship. The gullwing model has already thrilled sports automobile followers all over the world, and now the convertible model is sure to cause a sensation."
Pure roadster design with excellent proportions
The brand new Roadster adds a second exciting dream-automotive to the SLS AMG family. Head of Design at Mercedes-Benz, Gorden Wagener: "As in the gullwing model, the pure, athletic design instantly catches the eye. Whether or not with the roof open or closed, the Mercedes-Benz SLS AMG Roadster is an impressive visible delight!" The proper proportions are notably memorable: an extended hood, the greenhouse positioned well to the rear and a brief rear end. Plus the robotically extending rear wing, lengthy wheelbase, vast track and quick overhangs - in short, the convertible SLS AMG exudes easy efficiency and an authentic charisma. The pronounced shoulder sections are reminiscent of tensed muscle tissues, and counsel sheer energy in combination with the big wheels - 265/35 ZR 19 (front) and 295/30 ZR 20 (rear). The enticing AMG Sepang brown metallic paint finish and weight-optimized solid wheels in a ten-spoke design, painted in matte black with a high-sheen rim flange, are available as new optional extras.
Options harking back to the 300 SL Roadster, the classic dream-automobile from the Fifties, include not only the extensive radiator grille with its massive Mercedes star and the wing-shaped cross-fin, but additionally the fins on the hood and on the automobile sides. Just like the Mercedes-Benz SLS AMG Roadster, the 300 SL Roadster appeared slightly later than the original gullwing 300 SL, however not like the SL's both AMG dream vehicles are available at the identical time.
Inside ambiance like an plane cockpit
The interior continues the breathtaking design idiom of the exterior, and awakens associations with an plane cockpit: outstanding options embrace the dashboard in the form of a wing and the air vents with adjustable, cruciform nozzles harking back to jet engines. The prolonged middle console of matte, stable metallic and the brand new E-SELECT lever within the form of an plane's thrust management are additionally design options adopted from the world of aviation. Another discreet, nice detail is the embossed AMG emblem on the leather-based-lined selector lever.
The AMG DRIVE UNIT - which like quite a few other interior options is available in real carbon-fiber - is the central management unit in the center console: it allows the driving force to decide on a personal vehicle setup, including adjustment of the elective Adaptive AMG Sport Suspension. The AMG Performance steering wheel with its high-grade premium leather lining and flattened bottom rim part supplies good vehicle control. The shift paddles and lower steering wheel bezel are made from solid metal.
Fully computerized, weight-optimized soft top
The sensual experience within the 2012MY SLS AMG Roadster is further enhanced when the mushy prime is open, and the powerful, naturally aspirated eight-cylinder engine with 563 hp and 479 pound-toes of torque asserts itself and makes the guts beat quicker with its distinctive AMG eight-cylinder sound. The fabric smooth prime could be opened and closed while on the transfer at speeds up to 31 mph (50 km/h); the totally automatic opening/closing process takes only eleven seconds. The driver solely must function the roof management unit conveniently built-in at the front of the middle armrest. When open, the smooth high is space-savingly retracted behind the seats in a folded Z-configuration. Three soft high colours - black, crimson and beige - are available to suit the 9 exterior and eight interior colors.
The three-layered cloth smooth high is a weight-optimized magnesium/steel/aluminum construction, and contributes greatly to the car's low heart of gravity. The smooth top has a seamlessly bonded rear window of heated singlelayer safety glass. The flush, gap-free transition between the outer roof skin and the rear window retains wind noise low. A steady, flexible water pocket running beneath the comfortable top catches rainwater and directs it to the underbody through two apertures on every side. The trunk capability is 6.1 cubic ft with the roof either open or closed, and subsequently roughly equal to that of the SLS AMG Coupé (6.2 cubic feet).
Excellent materials quality and end
The finest leather, matte-completed strong steel or non-compulsory, real carbon-fiber trim create an unique ambience and correspond with the authentic really feel of the cockpit. Exactly executed decorative and contrasting stitching enhances the visible impression, heightens the hand-crafted look and displays the eye to element which is the hallmark of Mercedes design.
The standard appointments of the Mercedes-Benz SLS AMG Roadster embody black designo leather-based, heated AMG sports seats, a removable glass windstop, COMAND with Navigation and DVD player, anti-theft alarm system with tow-away protection and inside monitoring, dual-zone computerized local weather management and the KEYLESSGO beginning function. The standard AIRSCARF® system unique to Mercedes-Benz acts like an invisible scarf warming the head and neck areas of the occupants. It's built-in into the backrests of the AMG sports seats, and blows heat air from vents in the head restraints. The airflow may be adapted for various occupant sizes via adjustable louvers, and the extent of heat might be selected in three levels on the touch of a button.
Leather-based-lined roll-over bars with integrated mesh in a "Silver Shadow" look can be found together with designo Exclusive leather to scale back turbulence within the cockpit. Ambient lighting is integrated into the electrically folding exterior mirrors.
Single-tone or two-tone designo leather-based in espresso brown is offered as a brand new interior colour - this dark shade of brown completely matches the brand new metallic paint finish AMG Sepang brown.
AMG Efficiency Media and Bang & Olufsen as non-obligatory highlights
Along with the Bang & Olufsen BeoSound AMG encompass sound system, one other non-compulsory entertainment spotlight is the AMG Performance Media. In an unprecedented means, this racing-impressed system combines quite a few telemetric displays similar to engine knowledge, lateral and linear acceleration and lap instances on a racetrack. AMG Efficiency Media is activated by urgent the AMG key in the AMG DRIVE UNIT, and operated utilizing the COMAND Controller. Key features at a glance:
* Real-time display of engine oil, coolant and transmission fluid temperature
* Actual-time show of engine output, torque and accelerator position
* Actual-time display of individual tire pressures
* Actual-time display of acceleration time from 0-60 mph or 0-a hundred km/h (alternatively: quarter-mile)
* Real-time display of lateral and linear acceleration mixed with braking efficiency and accelerator position, together with memory perform
* Recording of individual lap instances on a closed racetrack, with sector instances and memory operate
* Integration of DRIVE UNIT features to save lots of setup information to memory and provoke RACE START
The completely different capabilities of AMG Efficiency Media are proven by the color show built-in into the dashboard. Three displays are proven at anyone time, with crucial data positioned within the center. Digitally simulated dial devices with red needles ensure outstanding legibility.
Specifically bolstered aluminum spaceframe, low curb weight
Along with maximum comfort, the key factor for driving pleasure within the new SLS AMG Roadster is the outstanding performance. The premise for this is the progressive body design: the chassis and physique are product of aluminum, a design combining intelligent light-weight development with excessive strength. With a curb weight of three,661 kilos (estimated), the Roadster is barely 88 kilos heavier than the Coupé. The result is a outstanding power-to-weight ratio of 6.5 kilos per hp.
To achieve the identical degree of driving dynamics - without a fixed roof, the Mercedes-Benz SLS AMG Roadster incorporates several features particularly designed to strengthen the bodyshell, together with facet skirts with higher wall thicknesses and extra chambers. The dashboard cross-member is supported towards the windshield frame and center tunnel by extra struts, and a curved strut between the comfortable prime and the tank reinforces the rear axle. The shortage of a roof and gullwing doors implies that the open-high SLS AMG has a reinforcing crossmember behind the seats to help the mounted roll-over protection system. This also accommodates the 250 watt subwoofer of the Bang & Olufsen BeoSound AMG high-finish sound system.
All this prevents undesirable vibrations right from the beginning, and makes it unnecessary to make use of the extra, weight-growing vibration dampers that are often present in open-top sports cars. The burden-optimized aluminum spaceframe weighs 536 kilos, tipping the scales at simply 4.5 kilos more than the gullwing model.
Clever material combine and low middle of gravity
50 p.c of the intelligently designed, weight-optimized aluminum spaceframe is fabricated from aluminum sections, 26 % of sheet aluminum, 18 % of cast aluminum and 6 % of steel. Maximum occupant safety requires using ultra-excessive-energy, warmth-formed metal in the A-pillars.
The whole vehicle has been designed to achieve the bottom possible heart of gravity. This applies both to the low connection points of the powertrain and axles, as well as to the arrangement of the inflexible bodyshell construction, which has been saved as low as possible. Examples embrace the inflexible flexural and torsional connections between the front and rear part and the passenger safety cell, which have been designed to make use of power paths which might be as little as possible.
Passive safety
The aluminum spaceframe gives the idea for excellent passive safety. The in depth safety features embody the fixed roll-over safety system, three-level seat belts with belt tensioners and belt power limiters, and eight airbags: adaptive entrance airbags and kneebags, two seat-integrated sidebags and two windowbags deploying from the door beltlines.
The usual Blind Spot Help helps the driver with a visible warning image and acoustic alert if the danger of a collision with another car is detected when altering lanes.
Powerful AMG 6.3-litre V8 engine with 563 hp
The Mercedes-Benz SLS AMG Roadster has the identical, muscular engine because the gullwing model. The 6.3-litre V8 with a peak output of 563 hp at 6,800 rpm makes the open-top SLS probably the most powerful sports vehicles in its segment. Its power-to-weight ratio is 6.5 pounds per hp. This naturally aspirated engine generates its most torque of 479 pound-ft at four,750 rpm. The convertible SLS AMG accelerates from zero to 60 mph in 3.7 seconds (0-100 km/h in 3.eight s), and the top speed is 197 mph / 317 km/h (electronically limited) - which signifies that the Roadster has virtually an identical performance to the gullwing.
The excessive-revving 6.3-liter V8 engine has the standard characteristics of powerful racing engines. It responds instantly and effortlessly to accelerator movements. The usage of a dry sump lubrication system allows for a significantly lower installation within the vehicle, yielding a decrease middle of gravity for high lateral acceleration and thrilling driving dynamics.
Achievement of demanding gasoline consumption targets
Regardless of its uncompromisingly athletic character, gas consumption has also been addressed. The SLS AMG consumes 13.2 litres per a hundred kilometres (NEDC mixed), equivalent to CO2 emissions of 308 grams per kilometre. Efficiency enhancements embrace the familiar AMG-unique, friction-optimized twin-wire arc-sprayed coating on the cylinder partitions as well as the on-demand, map-optimized oil supply and clever generator administration: throughout the engine's overrun phases, kinetic energy is used to cost the battery moderately than wasted by simply generating heat. Conversely, the generator is switched to no-load operation throughout acceleration, thus lowering the load on the engine. Refined catalytic converter technology enables current and future emission standards reminiscent of Euro-5, LEV 2 and ULEV to be met.
Rev-matching transmission with transaxle configuration and torque tube
The AMG 6.3-litre V8 engine delivers its considerable power to the rear transaxle through an ultra-gentle carbon-fiber driveshaft - just like the setup used within the DTM C-Class racing touring car. The rev-matching transmission is mounted on the rear (transaxle), and linked to the engine housing by way of a torque tube. A carbon-fiber shaft rotates at engine speed within the torque tube. The benefits of this sophisticated resolution lie within the rigid hyperlink between the engine and transmission and, in flip, the optimum assist for the forces and torque generated.
The AMG SPEEDSHIFT DCT 7-pace sports activities transmission boasts quick gear changes with no loss of tractive power - in as little as 100 milliseconds. The driving force has a selection of 4 completely different driving modes: "C" (Controlled Effectivity), "S" (Sport), "S+" (Sport plus) or "M" (Manual). Within the Sport, Sport plus and Handbook modes the automatic rev-matching perform is active; all the modes can be selected conveniently via the rotary control knob on the AMG DRIVE UNIT. The RACE START operate supplies optimum traction for full energy launches from a lifeless cease -- as does the mechanical differential lock, which is integrated into the compact transmission housing.
Subtle suspension format with double-wishbone axles
The entrance-mid-engine plus transaxle configuration gives a perfect entrance/rear weight distribution of 47 to fifty three percent. Mounting the engine behind the entrance axle has created ideally suited driving dynamics with precise steering, first-class agility, low inertia for spontaneous directional changes and outstanding traction. All 4 wheels are positioned on double wishbones with a track rod, a expertise that has confirmed itself in motor racing proper through to Formulation 1. With a double-wishbone axle, the wheel location and suspension capabilities stay separate; the spring/damper struts are supported on the decrease wishbone. The double-wishbone setup with its excessive camber and monitor rigidity positively locates the wheel with minimal elastic actions, providing the driver with an optimum sense of street contact when driving on the limits.
Wishbones, steering knuckles and hub carriers on the front and rear are made entirely from solid aluminum - substantially decreasing the unsprung lots; this configuration additionally notably improves the suspension response. The lengthy wheelbase of 105.5 inches not only ends in excellent straight-line stability but also low wheel load shifts, considerably lowering the car's tendency to dive and squat when braking and accelerating. The broad track width - entrance 66.2 inches, rear 65.1 inches - gives decrease shifts in the wheel hundreds from the inside to the outer wheel when cornering, enabling the tires to retain more grip.
New Adaptive AMG Sport Suspension
The new Adaptive AMG Sport Suspension with electronically controlled damping is available as a beautiful non-obligatory different to the standard AMG sports suspension. It enables the damping traits to be modified on the touch of a button. Utilizing a button on the AMG DRIVE UNIT, the motive force can select his personal suspension setup. Three modes can be found: "Comfort", "Sport" and "Sport plus". The present mode is proven within the instrument cluster.
"Comfort" delivers a sensitive response with smooth damping traits, whereas in "Sport" mode the shock absorbers have a a lot stiffer response relying on the driving situation. This not only results in higher highway contact, but in addition successfully suppresses physique roll and pitching. "Sport plus" is ideal for challenging laps on a racetrack: along with the upper damping force, this mode comes with specific control algorithms that have been tailor-made for a sporty driving style. The new, variable suspension can even be optionally obtainable for the SLS AMG Coupé in future.
Direct steering, differential lock and 3-stage ESP®
The rack-and-pinion steering gear provides a persistently direct steering really feel with a constant mechanical ratio of 13.6:1, in tune with the high expectations positioned on an excellent sports activities car. The ability steering offers velocity-delicate assistance and improves suggestions for the driver as velocity will increase, invaluable throughout excessive-pace straight-line driving. Mounting the steering gear in entrance of the engine on the integral subframe enables the engine to be set down very low. The SLS AMG comes with 3-stage ESP® as standard, offering the motive force with access to the three "ESP ON", "ESP SPORT" and "ESP OFF" modes at the contact of a button. In "ESP OFF" mode, operating the brake pedal restores all the normal ESP® functions.
The acceleration skid control (ASR) system's traction logic is lively in all three ESP® modes. If one of the drive wheels starts to spin, particular brake stress is utilized to enhance traction significantly - especially along side the usual-fit mechanical multi-disc limited-slip differential. Which means that the engine power is transferred to the road extra successfully during aggressive driving.
Optionally available AMG ceramic excessive-performance two-piece braking system
The AMG high-efficiency braking system with two-piece brake discs on the front offers extraordinarily quick stopping distances even below enormous loads. Pink-painted brake calipers in any respect four corners are available as an option. The optional ceramic two-piece brakes with even larger discs present even higher braking performance. The ceramic brake discs carry out at even greater operating temperatures due to their better hardness, all mixed with a powerful weight reduction of around 40 percent. Lowering the unsprung lots has additional improved both consolation and grip, and the diminished rotating lots on the entrance axle present a extra direct steering response.
Light-weight development was additionally key when it came to the wheels: AMG mild-alloy wheels based on the modern circulate-forming precept scale back the unsprung masses while improving driving dynamics and suspension comfort. Along with the standard AMG twin 5-spoke gentle-alloy wheels, there's a 7-spoke wheel that's available as a no price option. Weight-optimized 10-spoke cast wheels are available as an option. 265/35 R 19 (front) and 295/30 R 20 (rear) tires developed completely for the SLS AMG provide optimum performance. A tire stress monitoring system is fitted as normal to completely monitor tire pressure in all four wheels, with an individual show for each tire.
Manufacturing in Sindelfingen, market launch in Fall 2011
The convertible super sports activities automotive can be produced at the largest Mercedes-Benz manufacturing plant in Sindelfingen. The AMG 6.three-litre V8 engine comes straight from the AMG engine workshop in Affalterbach, the place it's hand-assembled in response to the normal "One man, one engine" philosophy.
The promoting value in Germany is €195,one hundred sixty (incl. 19% VAT). The 2012 SLS AMG Roadster will make its U.S.
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