This little monster is among the last of Mercedes-Benz models to receive a naturally-aspirated AMG V8. New, turbocharged motors power everything from CLA-class to S-class AMG models, and a new 4.0-liter twin-turbo makes up to 503 horsepower in the Mercedes-AMG GT sports car. The broad switch to turbocharged engines for the AMG lineup just makes this 2014 Mercedes-Benz C63 AMG […]