McLaren 570S (2018) is 48 mm (1.89 inch) wider and 419 kg (924 lbs) lighter than Mercedes CLS-Class (2020).
Mercedes CLS-Class (2020) is 410 mm (16.14 inch) longer, 215 mm (8.46 inch) higher and has 300 liters (10.59 ft3) bigger cargo space than McLaren 570S (2018).