The Brembo TY3 Sport slotted disc rotor for 2015–2018 Mercedes‑Benz GL 63 AMG 4MATIC fits the rear at 345x26. Carrying the TY3 Sport name and a slotted profile, it matches the rear rotor diameter and thickness specified for those AMG model years. This rotor is provided as a replacement to maintain correct disc sizing and the slotted braking surface for the vehicle’s rear brakes.
Brembo 15-18 Mercedes-Benz GL 63 AMG 4-Matic Rear TY3 Sport Disc Rotor - 345X26