Mercedes CL-Class (2014) is 510 mm (20.08 inch) longer and 9 mm (0.35 inch) wider than Peugeot 308 SW (2014).
Peugeot 308 SW (2014) is 55 mm (2.17 inch) higher, 870 kg (1,918 lbs) lighter and has 118 liters (4.17 ft3) bigger cargo space than Mercedes CL-Class (2014).