The R1 Concepts drilled black brake rotor for 2015–2021 Mercedes‑Benz C300 Coupe & Convertible front left is presented as the replacement rotor for that wheel position. The description specifies a drilled disc with a black finish; this rotor installs on the front left braking assembly to match the listed drilled configuration during repair, maintenance, or part replacement.
R1 15-21 Mercedes-Benz C300 Coupe & Convertible Front Left Drilled Black Brake Rotor