Genuine OEM Mercedes-Benz Front Brake Disc, part number A000421151207. This vented brake disc provides the necessary surface for brake pads to generate friction, enabling the vehicle to slow down and stop. It is designed for the front axle. The disc has a weight of 12.838 kg and dimensions of 0.343m x 0.065m x 0.343m. Genuine OEM brake discs are manufactured to precise tolerances for optimal performance, heat dissipation, and longevity, ensuring reliable braking.