Mercedes CLS-Class (2014) is 1383 mm (54.45 inch) longer, 237 mm (9.33 inch) wider and has 269 liters (9.50 ft3) bigger cargo space than Seat Mii (2020).
Seat Mii (2020) is 61 mm (2.40 inch) higher and 465 kg (1,025 lbs) lighter than Mercedes CLS-Class (2014).