Mazda 6 Atenza (2014) is 52 mm (2.05 inch) higher, 871 kg (1,920 lbs) lighter and has 7 liters (0.25 ft3) bigger cargo space than Mercedes S-Class (2014).
Mercedes S-Class (2014) is 970 mm (38.19 inch) longer and 131 mm (5.16 inch) wider than Mazda 6 Atenza (2014).