This Brembo Brake Rotor (Part Number 09.B842.31) is a direct fit replacement for Mercedes-Benz vehicles, and is compatible with the other part number 2304230812 High Carbon. It is manufactured to the highest standards, and is designed to provide superior stopping power and reliable performance for years to come. This rotor offers superior anti-corrosion protection and superior heat dissipation for maximum braking performance. It is also highly durable and made from high quality materials for maximum longevity. Get this top-grade brake rotor at the best price and enjoy reliable braking performance.