Acura RDX (2014) is 188 mm (7.40 inch) higher, 459 kg (1,012 lbs) lighter and has 239 liters (8.44 ft3) bigger cargo space than Mercedes S-Class (2020).
Mercedes S-Class (2020) is 585 mm (23.03 inch) longer and 27 mm (1.06 inch) wider than Acura RDX (2014).