2014 Mercedes-Benz CLA45 AMG: The Most Powerful Turbo 4-Cylinder in the World!

Carlos Lago takes the brand new 2014 Mercedes Benz CLA45 AMG to the Hyundai Proving Grounds, to find out what makes this high-strung turbo four-cylinder AMG sports car so special. With it's engine producing 355 horsepower and 332-lb-ft of torque, the CLA45 AMG easily packs one of the most powerful factory turbocharged four cylinder engines in the world, but with extra options, can it live up to it's near $60,000 price tag?