The Brembo big brake kit for 2006–2011 ML63 (W164) equips the front with GT calipers in a 6-piston cast design paired to 405 x 34 mm two-piece drilled rotors in silver. The description lists front application, piston count and rotor diameter with drilled rotor style so buyers can confirm fitment for ML63 (W164) front braking setups.
Brembo 06-11 ML63 (W164) Front GT BBK 6 Piston Cast 405x34 2pc Rotor Drilled-Silver