How has Mercedes Benz incorporated aerodynamics into the design of the A Class Limousine, and what benefits does this bring?

Mercedes Benz has incorporated a number of aerodynamic features into the design of the A Class Limousine, including an active grille shutter, aero blades in the front bumper, and a rear diffuser. These features help to reduce drag and improve fuel efficiency, as well as enhance stability and handling at high speeds.