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Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster interior

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Mercedes-Benz SLS AMG Roadster

Year 2012
Engine 6.3 litre V8
Transmission 7-speed, dual-clutch RWD
Max speed 197 mph (electronically limited)
0-60 mph -
Horsepower 571 hp @ 6,800 rpm
weight -

5th May 2011 (UPDATED with new images 29th May 2011):

Mercedes-Benz have finally taken the covers off the soft-top version of the SLS AMG supercar.

The SLS AMG Roadster is currently in the final-testing phase of its three year development. The car's official unveiling, in full production form, is scheduled for the 2011 International Automobile Show in Frankfurt this September. Sales will start for the 2012 model year.

The engineers are primarily focused on making sure the drop-top SLS AMG's chassis is as rigid as possible, and the handling dynamics aren't spoiled by the lack of a solid roof section.

One of the defining features of the SLS AMG hardtop are its dramatic gullwing doors. Clearly they are impossible to integrate into convertible, so they've been ditched in favor of more conventional doors.

As the Roadster variant's production was already guaranteed during the conceptual phase for the SLS AMG, the lightweight and extremely rigid aluminum spaceframe was specified at a correspondingly early stage. Since there's no roof to span the cockpit area, it was necessary to engineer stronger, more rigid sideskirts, not just for crash performance, but because test drives showed that the driving dynamics could be enhanced by strengthening this area.

In order to achieve handling characteristics almost identical to the Coupe, the SLS AMG Roadster has two features designed to increase the rigidity of the chassis. The cross-member carrying the dashboard has additional supporting struts at the windshield frame and at the center tunnel, and a structure between the soft top and the fuel tank stiffens the rear axle. Amazingly, the Roadster's bodyshell is only 1.8 kgs (4lbs) heavier than the Coupe's.

Engineers working on the SLS AMG Roadster paid special attention to the durability of the soft top, making sure it could withstand sustained assaults from water, sand, dust, heat and cold. One special feature of the compact soft top is the continuous water pocket: this is attached below the soft top to catch rainwater and direct it down to the underbody via two openings on each side.

The rain test at the Mercedes Technology Center (MTC) in Sindelfingen is particularly demanding. Extreme amounts of water are used to ensure that the result of the development work is watertight - which is a particular challenge in the case of roadsters or convertibles.

Tests include the hose test - when all soft top, door and flap seals are sprayed with a water-hose; the continuous overnight rain test, the fording test, the icing, swirl and high-pressure tests, and a final session in an automatic car wash. The rain test simulates every conceivable situation that can occur on any continent.


Similar and related vehicles:
Mercedes SLS AMG GT3
Mercedes SLS AMG

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