McLaren 570S (2017) is 120 mm (4.72 inch) wider and 89 kg (196 lbs) lighter than Mercedes C-Class (2019).
Mercedes C-Class (2019) is 156 mm (6.14 inch) longer, 240 mm (9.45 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than McLaren 570S (2017).