The Mercedes-Benz GLE should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 GLE 450 4MATIC AMG Line: 4924 mm; 2025 GLE 450 4MATIC AMG Line: 2157 mm; 2025 GLE 450 4MATIC AMG Line: 1797 mm; 2025 GLE 450 4MATIC AMG Line: 5. Wheelbase and seating matter most day to day because they influence rear-seat comfort, child-seat friendliness and how relaxed the car feels on longer trips.