2016-2023 Mercedes-AMG GLC63S / GLC63 / GLC43 (X253/C253) Carbon Ceramic Brake Rotors A7 so you get the same

so you get the same low-pad alert you had from the factory

since a full-diameter iron rotor at the front corner is heavy rotating and unsprung mass

Direct replacement is only valid because the front M40i/M40d caliper is a multi-piston fixed unit

so the 395mm front rotors take real heat and load on repeated hard stops

We addressed this directly on the M135i kit by tuning both the pad compound and the disc's ceramic coating for cold starts

2016-2023 Mercedes-AMG GLC63S / GLC63 / GLC43 (X253/C253) Carbon Ceramic Brake Rotors A7 so you get the sameReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2016 2023 Mercedes AMG GLC63S GLC63 GLC43 (X253 C253). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size GLC63S GLC63 390mm 360mm 20" GLC43 360mm 320mm 19" Keep Your Factory Calipers? Yes if your front factory calipers are fixed 4 piston or