After news of its bike range, Mercedes-Benz is now reveling over the launch of its SLS AMG Roadster. The car has got a drop top with an option of roof top colours – black, red and beige and can be dropped or raised in only 11 seconds. The car can reach a top speed of 197 mph in 3.7 seconds. Its features include an electronically-controlled Adaptive AMG Sport Suspension, AMG Performance Media system to track and display vehicle telemetrics and an AMG Drive Unit. The car will be officially launched at the Frankfurt Motor Show, to be held from September 13 to 25.