Mercedes E-Class (2014) is 632 mm (24.88 inch) longer, 44 mm (1.73 inch) wider and has 160 liters (5.65 ft3) bigger cargo space than Seat Leon SC (2020).
Seat Leon SC (2020) is 3 mm (0.12 inch) higher and 667 kg (1,470 lbs) lighter than Mercedes E-Class (2014).