http://Carwp.blogspot.com.br Mercedes-AMG is further enhancing its SL63 and SL65 high-performance roadsters with updated technology and expressive design. The front section features a completely new design, with a radiator grille which broadens out towards the bottom and the A-wing front spoiler. The stylish light signature and the highly comprehensive scope of standard equipment and appointments underscore the high-quality impression. The engines set the benchmark in the high-performance roadster segment: the 5.5-litre V8 biturbo engine on board the SL63 generates an output of 430 kW (585 hp) and peak torque of 900 Newton metres. The SL65 is powered by a 6.0-litre V12 biturbo engine rated at 463 kW (630 hp) and delivering 1000 Newton metres of peak torque.
Outstanding performance, impressive driving characteristics and the expressive, stylishly honed design are the hallmarks of the new Mercedes-AMG SL63 and Mercedes-AMG SL65. The technical highlights include the sports suspension based on Active Body Control, the rear-axle differential lock which now features as standard, the even more responsive AMG SPEEDSHIFT MCT 7-speed sports transmission (SL63) and the five AMG DYNAMIC SELECT driving programmes.
"Our updated SL63 and SL65 high-performance roadsters offer a unique driving experience, combining hallmark AMG "Driving Performance" with the pleasures of open-air motoring and superior comfort on long journeys, notes Tobias Moers, Chairman of the Board of Management of Mercedes-AMG GmbH. The SL63 and SL65 had their world premiere at the 2015 Los Angeles Auto Show; the market launch will begin in April 2016.
Both roadsters offer more power and torque than their respective competitors in this segment. These engines result in high-calibre performance, as illustrated by figures for acceleration from 0 to 100 km/h in 4.1 and 4.0 seconds respectively, for example. The top speed is 250 km/h (electronically limited). The AMG Driver's package includes an increase in the top speed to 300 km/h (electronically limited). NEDC combined fuel consumption stands at 9.8 litres per 100 kilometres for the eight-cylinder engine and 11.9 l/100 km for the twelve-cylinder variant.
The powerhouses incorporate numerous high-tech components for high power output combined with low fuel consumption: in addition to spray-guided direct petrol injection, further features include an all-aluminium crankcase, twin turbocharging, four valves per cylinder with camshaft adjustment and an air/water intercooler. The weight-optimised exhaust system provides for a striking engine sound with an individual character. Large radiators in the front and special vents in the bonnet ensure the required heat balance for the engines.
Performance is also boosted by the sports suspension based on Active Body Control, the high-performance composite brake system and the redeveloped AMG SPEEDSHIFT MCT 7-speed sports transmission (SL63) or AMG SPEEDSHIFT PLUS 7G-TRONIC (SL65).
The intelligent lightweight design is also a major contributory factor to the high driving dynamics. On the SL models the light all-aluminium bodyshell provides the basis for high rigidity, safety and comfort combined with the lowest possible weight. The designers have used the even lighter material magnesium for the panel behind the tank. The boot lid contributes to a further reduction in weight. The interior support consists of a light carbon-fibre composite material. The extremely rigid carbon-fibre component benefits from AMG's motorsport expertise and is bonded to the equally very light plastic outer shell. This results in weight savings of five kilograms in comparison to a conventional boot lid.
Sports suspension based on Active Body Control
The steering knuckles and spring links of the 4-link front axle and almost all the wheel control parts of the multi-link rear suspension are also produced in weight-optimised aluminium. The reduction in unsprung masses benefits not only agility, but also the response of the spring-damper elements.
Mercedes-AMG remains faithful to the Active Body Control (ABC) active spring and damper system. For even greater agility and high cornering speeds, the AMG SL models have more negative camber all round and fully revised, substantially stiffer elastokinematics. At the touch of a button, the optional Performance suspension (available for SL63 only) offers an emphatically sporty characteristic with reduced roll angles and taut body damping at the touch of a button ("Sport") or a more comfort-oriented set-up for a high level of comfort on longer journeys ("Comfort").
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