The DFC Geomet-coated drilled rotor for 2021-2025 Mercedes-Benz S500 rear applications is a hi-carbon alloy replacement intended to maintain rear braking consistency and resist corrosion. Built from premium G3000/G11H18 iron castings with OE vane design, it’s precision mill-balanced and fine-turned (16 RMS) to reduce vibration and aid pad break-in. Geomet coating protects against rust; DTV max 0.010 mm, lateral runout max 0.050 mm.
DFC 21-25 Mercedes-Benz S500 Rear Drilled Hi-Carbon Alloy Geomet Coated Rotor