Mercedes-Benz AMGDitching the gull-wing doors and roof in favor of conventional doors and a soft top has required Mercedes to stiffen the body, resulting in the Roadster being 40 kg (88 lbs) heavier than the coupe ... but it can still go from 0 to 100 km/h (62 mph) in 3.8 seconds on its way to an electronically limited top speed of 317 km/h (197 mph).
The open-top SLS Mercedes-Benz AMG sports the same 6.3-liter V8 engine as its gull-wing counterpart with a peak output of 420 kW (571 hp) at 6,800 rpm and maximum torque of 650 Nm at 4,750 rpm.
Mercedes says the flush, gap-free transition between the outer roof skin and the bonded rear window of heated single layer safety glass helps keep wind noise to a minimum. At 243 kg (535.7 lb), the Roadster's weight-optimized aluminum spaceframe is only two kilograms (4.4 lb) heavier than the Coupe model.
The Roadster also sees a new Mercedes-Benz AMG RIDE CONTROL sports suspension available as an option. Mercedes will also be making the new suspension system available as an option on the Coupe in the future.
The system will also be installed on other AMG high-performance cars in the future.
The Mercedes-Benz AMG SLS Roadster, which was designed in parallel with the Coupe, is the second of at least four variants of the SLS AMG with an electric-powered E-Cell and Black Series versions also in the works.
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