Hyundai Genesis (2014) is 182 mm (7.17 inch) longer and 327 kg (721 lbs) lighter than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 36 mm (1.42 inch) wider, 404 mm (15.91 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than Hyundai Genesis (2014).