Mercedes CLS-Class (2018) is 677 mm (26.65 inch) longer, 66 mm (2.60 inch) wider and has 140 liters (4.94 ft3) bigger cargo space than Seat Leon (2014).
Seat Leon (2014) is 42 mm (1.65 inch) higher and 566 kg (1,248 lbs) lighter than Mercedes CLS-Class (2018).