The Mercedes-Benz GLE PHEV should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 GLE 400 e 4MATIC: 4924 mm; 2025 GLE 400 e 4MATIC: 2010 mm; 2025 GLE 400 e 4MATIC: 1795 mm; 2025 GLE 400 e 4MATIC: 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.