The 2021 Mercedes-Benz GLE 450 is available as a 4-door, 5-seat sport utility. Starting at $62,500, the 2021 Mercedes-Benz GLE 450 GLE 450 AWD is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 26-mpg on the highway.