2016 Mercedes-Benz GL 550 $37,698 56,884 Miles Delivers 18 Highway MPG and 13 City MPG! This Mercedes-Benz GL boasts a Twin Turbo Premium Unleaded V-8 4.7 L/285 engine powering this Automatic transmission. TRAILER HITCH -inc: 7,500 lb towing... Audi Nashville Nashville, TN (877)-853-2126 Inquire