The Mercedes-Benz GLC 43 AMG fitted with a decat exhaust delivers deep, aggressive tones and sharp throttle response. Hear it rev, accelerate, and growl like a true AMG should. How loud is too loud?

Mercedes doesn’t seem too concerned about keeping its facelifted GLC and GLC Coupe a secret. Just a few months after we caught the standard gasoline-powered models testing, our spy photographers have ...