Mercedes Benz GLC Coupe Price in USA Starting From USD 76,000 to USD 80,000. The Mercedes Benz GLC Coupe is a new 5 seater Coupe Car that comes with a Diesel and 2 Petrol Engine Type, 1991 cc and 2991 cc while the Petrol is 1950 cc Engine Displacement, 384hp Power, and 520Nm Torque of engine. Depending upon the variant and fuel type the Benz GLC Coupe has a mileage of 12.74 kmpl .This car comes with 6 cylinders and has length of 4658mm, width of 1890 mm, and a wheelbase of 2873mm.