2019-2026+ Mercedes-Benz G63 (W463A/W465) (W463A) Carbon Ceramic Brake Rotors GLC-Class A cold carbon-ceramic disc naturally

A cold carbon-ceramic disc naturally bites a little less than cold iron on the first stops—that's physics

and this kit reuses that same rear caliper

The R232 uses an electronically actuated parking brake integrated into the rear caliper

current rotor dimensions

The result is that first-stop feel on a cold RS Q3 now comes very close to summer feel

2019-2026+ Mercedes-Benz G63 (W463A/W465) (W463A) Carbon Ceramic Brake Rotors GLC-Class A cold carbon-ceramic disc naturallyReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2019 2026+ Mercedes Benz G63 (W463A W465) (W463A). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size G63 400mm 370mm 20" Keep Your Factory Calipers? The rule is simple: front factory calipers must be 4 piston or more; the rear has no limit.