Mercedes CL-Class (2018) is 597 mm (23.50 inch) longer, 85 mm (3.35 inch) wider and has 190 liters (6.71 ft3) bigger cargo space than Opel Ampera (2014).
Opel Ampera (2014) is 22 mm (0.87 inch) higher and 563 kg (1,241 lbs) lighter than Mercedes CL-Class (2018).