Mercedes-Benz GLC 300 2021 for GTA 5. The 2021 Mercedes-Benz GLC 300 is a stylish and elegant SUV with superior performance and modern design. The exterior of this car is impressive at first glance, with its sleek lines, expressive contours and unique design elements. The front end of the car looks great with a massive grille adorned with the Mercedes star and dynamic LED headlights. Stylish daytime running lights and air vents complete the look. The rear of the car is also beautifully balanced with elegantly shaped taillights and stylish exhaust pipes. The trunk has plenty of storage space and is easy to access.