Mercedes S-Class (2019) is 246 mm (9.69 inch) longer than Subaru Ascent (2020).
Subaru Ascent (2020) is 31 mm (1.22 inch) wider, 329 mm (12.95 inch) higher, 136 kg (300 lbs) lighter and has 1167 liters (41.21 ft3) bigger cargo space than Mercedes S-Class (2019).