The Brembo GT big brake kit for 2009–2015 GLK rear applications pairs four-piston cast calipers with two-piece 345×28 mm rotors. Rotors feature a Type-3 slotted pattern and a silver finish; the package provides the Brembo two-piece rotor and caliper assembly sized for the GLK rear track and stated fitment.
Brembo 09-15 GLK Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type-3-Silver