For € 446,250 ($578K USD), you can own a piece of Mercedes history. Introducing the limited-edtion SLS AMG GT3 "45th Anniversary". And when we say limited-edition, we mean very limited as only five cars will be built! The collector's item car is is your standard V8-powered SLS with the exception of the gorgeous carbon body work, matte paint, rollcage and carbon seats. Any takers?