Nav System, Moonroof, Third Row Seat, Heated Seats, Panoramic Roof, Turbo Charged Engine, Aluminum Wheels, Full-Time 4MATIC All-Wheel. GLS 450 trim. EPA 24 MPG Hwy/19 MPG City! Warranty 4 yrs/50k Miles - Basic Warranty; READ MORE!KEY FEATURES INCLUDEThird Row Seat, Navigation, Sunroof, Panoramic Roof, Full-Time 4MATIC All-Wheel Rear Spoiler, MP3 Player, Keyless GO, Privacy Glass, Remote Trunk Release.EXPERTS CONCLUDEGreat Gas Mileage: 24 MPG Hwy.Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.