Hyundai Genesis (2014) is 300 mm (11.81 inch) longer and 80 mm (3.15 inch) wider than Mercedes C-Class (2015).
Mercedes C-Class (2015) is 58 mm (2.28 inch) higher, 378 kg (833 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Hyundai Genesis (2014).