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Mercedes-Benz has revealed details of its astonishingly quick McLaren 722S Roadster, the car named in tribute to the Mercedes-Benz Roadster that Sir Stirling Moss drove to victory in the final Mille Miglia road race in Italy back in the 1950s.

Delivering 478kW, acceleration from 0-to-100 km/h in 3.7 seconds and a maximum speed of 335km/h, this two-seater cabriolet, according to Mercedes-Benz, surpasses the existing benchmark among open-top super sports cars – the SLR McLaren Roadster.

In addition to increased power, the new SLR McLaren Roadster 722 S features even more dynamic suspension tuning and improved aerodynamics.
Both vehicles feature a fully retractable folding soft-top capable of withstanding the high speed and are made of carbon-fibre. This endows both models with a very high degree of safety and extreme torsional stiffness.

Mercedes-Benz says that with its sporty, premium-quality interior appointments and distinctive motorsport pedigree, the new SLR McLaren Roadster 722 S is limited to 150 vehicles and will inspire the most discerning automotive enthusiasts.

By naming this new model variant the SLR Roadster 722 S, Mercedes-Benz is recalling the historic victory won at the classic Mille Miglia long-distance race in 1955 by British motor-racing legend Sir Stirling Moss and his co-driver Dennis Jenkinson, in a Mercedes-Benz 300 SLR with the starting number 722.

Mercedes-Benz says the Mercedes-Benz SLR McLaren Roadster 722 S continues the legend of the successful 1950s SLR racing sports cars, with innovative technology adopted from the world of motorsport.

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At the heart of the SLR Roadster 722 S is a powerful supercharged 5.5-litre, V8-engine, which is hand-built in the Mercedes-AMG engine shop in Affalterbach.

The special strengths of this high-performance engine include extraordinary responsiveness to movements of the accelerator, a high torque and an unmistakable V8 sound.

Moreover, with an output of 478kW and 820Nm of torque, power is on tap almost to excess – the ‘standard’ SLR McLaren Roadster has 460 kW/780Nm.

Mercedes-Benz says the new model variant meets the wishes of the most discerning customers for even more sportiness combined with excellent day-to-day practicality.

The five-speed automatic transmission developed by Mercedes-Benz is designed for high performance.
It is specially configured for a very high torque, and allows the driver to choose between two sets of shift characteristics.

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As a result the roadster achieves performance figures that are even outstanding for the high-end sports car segment: the SLR Roadster 722 S sprints from zero to 100 km/h in a breathtaking 3.7 seconds, and 200 km/h is reached in 10.6 seconds.

The maximum speed is 335km/h, which Mercedes-Benz claims is unrivalled by any other series-production roadster.
The spring and shock absorber configurations of the suspension are stiffer, and the body has been lowered by 10 millimetres at the front and rear.

The lightweight, 19-inch forged aluminium wheels allow a view of the red-painted brake calipers on the highly-resistant carbon-fibre/ceramic brake discs, which make for impressive deceleration figures.

The roadster has a crystal antimony grey paint finish, which Mercedes-Benz says highlights the sculptured look of this high-performance car particularly effectively.

The carbon-fibre technology is visually complemented by the black, grid-like air vents on the bonnet and the front and rear light modules with palladium grey surrounds.

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In the interior, outstanding lateral support is guaranteed by sports bucket seats upholstered in a combination of semi-aniline leather/Alcantara.

Striking visual highlights are provided by the contrasting seams in 300SL red, the embossed 722 S lettering on the head restraints and the likewise red seat belts.

Frequently used controls such as the shift and parking brake levers are lined in particularly high-grip and moisture-absorbing suede leather. In the interior too, the generous use of carbon-fibre underlines the high-performance philosophy and adds a particularly purist touch.

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With just 150 examples, the Mercedes-Benz McLaren 722S Roadster will be predominantly hand-built at the Formula 1 workshops of McLaren in Woking, England, and the car will be available from January 1, 2009.






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