Scores 24 Highway MPG and 20 City MPG! This Mercedes-Benz GLS delivers a Intercooled Turbo Gas/Electric I-6 3.0 L/183 engine powering this Automatic transmission. WHEELS: 21 TRIPLE 5-SPOKE -inc: Tires: P275/45R21 front & 315/40R21 rear, WHEEL LOCKING BOLTS, TRAILER HITCH -inc: increased towing capacity, Increased Towing Capacity.*This Mercedes-Benz GLS Comes Equipped with These Options *ROOF SPOILER, POWER REAR-WINDOW SUNSHADES, PANORAMA ROOF, NATURAL GRAIN GREY OAK WOOD TRIM, MBUX AUGMENTED VIDEO FOR NAVIGATION, LOAD SILL GUARD, CHROME, ILLUMINATED RUNNING BOARDS, DASHCAM, BLACK HEADLINER, 6-SEAT CONFIGURATION -inc: second-row captain's chairs.* Stop By Today *Live a little- stop by Mercedes-Benz of North Haven located at 620 Washington Avenue, North Haven, CT 06473 to make this car yours today!