The R1 Concepts drilled black brake rotor for 2003–2006 Mercedes‑Benz SL500 (rear left) is specified as the rear-left replacement rotor for those model years. The description notes a drilled face and black finish, indicating this rotor as the identified option when replacing or servicing the rear-left brake component on applicable SL500 vehicles.

R1 03-06 Mercedes-Benz SL500 Rear Left Drilled Black Brake Rotor