- The Mercedes-Benz SLS AMG Gullwing has set new standards. It is best in class and increases the standing of the Mercedes - AMG brand, thanks to its charisma. Two years after the commercial launching of the contemporary legend, the roadster is added to the fascination SLS AMG cosmos. With the coupe, roadster, GT3, an e-cell, AMG has succeeded in creating a quartet of dream machines. The genes of Mercedes - AMG are in every variant.