Mercedes GLC-Class (2017) is 288 mm (11.34 inch) longer, 91 mm (3.58 inch) wider, 199 mm (7.83 inch) higher and has 80 liters (2.83 ft3) bigger cargo space than Seat Leon (2020).
Seat Leon (2020) is 485 kg (1,069 lbs) lighter than Mercedes GLC-Class (2017).