Mazda 6 Atenza (2018) is 125 mm (4.92 inch) higher, 927 kg (2,044 lbs) lighter and has 31 liters (1.09 ft3) bigger cargo space than Mercedes CL-Class (2014).
Mercedes CL-Class (2014) is 820 mm (32.28 inch) longer and 104 mm (4.09 inch) wider than Mazda 6 Atenza (2018).