McLaren 570S (2018) is 160 mm (6.30 inch) wider and 249 kg (549 lbs) lighter than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 62 mm (2.44 inch) longer, 228 mm (8.98 inch) higher and has 111 liters (3.92 ft3) bigger cargo space than McLaren 570S (2018).