Acura RLX (2016) is 390 mm (15.35 inch) longer, 120 mm (4.72 inch) wider, 35 mm (1.38 inch) higher and has 91 liters (3.21 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 179 kg (395 lbs) lighter than Acura RLX (2016).