The R1 Concepts Geo-Carbon drilled-and-slotted rear rotor for Mercedes-Benz GLS550 (2013–2019) is a direct-fit Geoperformance replacement specified as a rear rotor in the product description. It is supplied with the drilled and slotted surface pattern noted in the listing and intended to be used where a matching rear rotor is required for the listed GLS550 model years.
DFC 13-19 Mercedes-Benz GLS550 Rear Drilled & Slotted Geoperformance Rotors