Mercedes S-Class (2020) is 1570 mm (61.81 inch) longer, 201 mm (7.91 inch) wider, 14 mm (0.55 inch) higher and has 295 liters (10.42 ft3) bigger cargo space than Opel Karl (2014).
Opel Karl (2014) is 1207 kg (2,661 lbs) lighter than Mercedes S-Class (2020).