Changes your car's handling and response at the touch of a button to suit the way you want to drive. Enables the driver to alter the throttle response, gear-shift characteristics (S tronic or tiptronic only) and steering feel between four pre-set modes: Comfort, Auto, Dynamic, Efficiency and, in combination with an MMI Navigation system, an Individual mode is available.

The Efficiency mode sets the engine, automatic transmission, air conditioning and cruise control systems to a more fuel-efficient basic setting"