AMG chief Ola Källenius has announced that the Mercedes-Benz SLS AMG Roadster will be making its debut at the Frankfurt motor show next year.

In an interview with German car magazine Auto, Motor & Sport, the man who heads Mercedes-Benz's performance division made the announcement while lauding the SLS AMG Roadster debut as the brand's biggest launch of 2011.

The SLS Roadster will come with AMG's 6.3 liter (6,208cc) V8 featuring an output of 420 kW (571 PS / 563 hp) and 650 Nm (479 lb-ft) of torque. The 0-100 km/h sprint will take just 4.0 seconds and top speed on the Roadster will be 309 km/h (192 mph).

What the SLS AMG Roadster will not have (for obvious reasons) are the gullwing doors of the standard SLS AMG. Given that many critics found those doors to be an ostentatious design feature, the fact that they are absent on the Roadster may become its biggest selling point.

Also coming next year from AMG is the next CLS 63 AMG and the 2012 SLK AMG.

Gallery: Mercedes-Benz SLS AMG Roadster set for 2011 Frankfurt debut

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