The R1 Concepts drilled black brake rotor for 2017–2021 Mercedes‑Benz CLS450 is a replacement rotor for the rear left wheel, described by its drilled surface and black finish. Intended for the stated model years, this rotor is to be installed on the rear left side of the CLS450 when renewing a worn or damaged rotor to match the vehicle's listed component.
R1 17-21 Mercedes-Benz CLS450 Rear Left Drilled Black Brake Rotor