Buick Enclave (2015) is 108 mm (4.25 inch) wider, 295 mm (11.61 inch) higher and has 160 liters (5.65 ft3) bigger cargo space than Mercedes S-Class (2018).
Mercedes S-Class (2018) is 117 mm (4.61 inch) longer and 7 kg (15 lbs) lighter than Buick Enclave (2015).