Mercedes S-Class (2016) is 982 mm (38.66 inch) longer, 83 mm (3.27 inch) wider, 31 mm (1.22 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Seat Leon (2014).
Seat Leon (2014) is 936 kg (2,064 lbs) lighter than Mercedes S-Class (2016).
