2003-2006 Mercedes-AMG CL65 / CL55 (C215) Carbon Ceramic Brake Rotors Mustang The RS Q3 uses different

The RS Q3 uses different front hub and upright geometry than the standard Q3

fitment depends on your car actually having the 4-piston (or larger) front caliper this platform ships with

or is it a generic B9 fit

Fitment is trim-specific

Full Upgrade CCB Big Brake Kits (With Calipers) for the 2006-2015 Audi Q7 (4L)

2003-2006 Mercedes-AMG CL65 / CL55 (C215) Carbon Ceramic Brake Rotors Mustang The RS Q3 uses differentReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2003 2006 Mercedes AMG CL65 CL55 (C215). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size CL65 390mm 348mm 20" CL55 360mm 330mm 19" Keep Your Factory Calipers? Keep them if the front calipers are fixed 4 piston or more the rear axle