The R1 Concepts drilled black brake rotor for 2016–2021 Mercedes‑Benz Metris is a replacement rotor for the rear left wheel, described in the product title with a drilled face and black finish. It serves as the specified rotor for that application and is intended to be installed on the rear left side when replacing a worn or damaged factory rotor on the listed model years.

R1 16-21 Mercedes-Benz Metris Rear Left Drilled Black Brake Rotor