The R1 Concepts drilled and slotted black brake rotor for 2015–2023 Mercedes‑Benz E300 is specified for the front left position. This front-left drilled and slotted rotor in a black finish is provided for replacement during front brake service on those E300 model years, offering a drilled-and-slotted surface to match the vehicle’s front braking components and appearance.
R1 15-23 Mercedes-Benz E300 Front Left Drilled & Slotted Black Brake Rotor