What we have here are two Sedans from Mercedes-Benz with some differences, such as the powertrain, modifications, horsepower, market segment, and fuel economy. First of all, the 2016 Mercedes-Benz CLA-Class AMG CLA 45 has bigger and thirstier engine; the 2016 Mercedes-Benz C-Class Hybrid gets 4 more mpg. Among similarities are the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy.