Mercedes C-Class (Coupe) (2014) is 495 kg (1,091 lbs) lighter than Mercedes GLC-Class (2017).
Mercedes GLC-Class (2017) is 64 mm (2.52 inch) longer, 120 mm (4.72 inch) wider, 229 mm (9.02 inch) higher and has 19 liters (0.67 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).