Fit Mercedes-Benz CL550, S550, S400 Rear Drill Slot Brake Rotors+Ceramic Pads Kit includes 4 Ceramic Brake Pads and 2 Performance Brake Rotors Drilled for Air Ventilation and Fast Heat Reduction Slotted to Improve Pad Bite and Reduce Stopping Distance Direct Fitment; Ready to Install; No Modication Needed 1 Year Warranty against Warping and Defects