The Mercedes-Benz SL is a roadster manufactured by Mercedes since 1954. The designation SL derives from the German Sport Leicht, or Sport Light — and was first applied to the 300SL 'Gullwing' named also after its gullwing or upward-opening doors. It is also one of the world's safest sport vehicles. The term SL-Class refers to the marketing variations of the vehicle, including the numerous engine configurations spanning five design generations...