Hyundai Azera (2015) is 116 mm (4.57 inch) longer and 515 kg (1,135 lbs) lighter than Mercedes M-Class (2014).
Mercedes M-Class (2014) is 67 mm (2.64 inch) wider, 317 mm (12.48 inch) higher and has 228 liters (8.05 ft3) bigger cargo space than Hyundai Azera (2015).