Mazda 3 (Sedan) (2017) is 28 mm (1.10 inch) higher and 382 kg (842 lbs) lighter than Mercedes CLS-Class (2018).
Mercedes CLS-Class (2018) is 279 mm (10.98 inch) longer, 86 mm (3.39 inch) wider and has 101 liters (3.57 ft3) bigger cargo space than Mazda 3 (Sedan) (2017).