Mercedes S-Class (2015) is 768 mm (30.24 inch) longer and 43 mm (1.69 inch) wider than Vauxhall Grandland X (2017).
Vauxhall Grandland X (2017) is 119 mm (4.69 inch) higher, 570 kg (1,257 lbs) lighter and has 14 liters (0.49 ft3) bigger cargo space than Mercedes S-Class (2015).