Normally a Mercedes-Benz isn't a car you get excited about. Inspired by the classic Mercedes 300SL (known as the "Gullwing") of the 1950s, the new Mercedes-Benz SLS shares the iconic SL's proportions with its long hood and short rear deck as well as the SL's unique upward-opening doors. The SLS is meant to be Mercedes-Benz's ultimate automobile, but it's also meant to be more affordable and