With sizable increases in performance, safety and refinement, Mercedes-Benz has shown that it's not about to take a backseat to anyone else in the premium luxury sedan market., World-class performance, state-of-the-art safety features, spacious and comfortable cabin., 4.3L V8 engine , Automatic transmission , Up to 15 cty/22 hwy mpg , Navigation System , Side/Curtain Airbags , Stability Control , Traction Control