TAG Motorsports is pleased to offer the GiroDisc Mercedes 360mm Rear 2-Piece Dimpled & Slotted Rotors (part number A2-148DS) for the Mercedes AMG GT / AMG GT 4 Door / C-Class / S-Class / SL-Class.

The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency. The Girodisc rear rotors are approx 8.1 lbs. lighter per rotor then the stock units. 24.7 lbs. vs. 16.6 lbs. This reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.

The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.

The rotor and hat have a floating mount system, which utilizes 10 high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for a long lasting corrosion resistance. These pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by class 12.9 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.

Once the Girodisc system is in place, simply replace the cast iron rotor when needed.

Sold/priced per pair

GiroDisc part number: A2-148DS. Sold and priced per pair (one axle).

Fits: Mercedes AMG GT AMG GT (base trim, 2015-23); Mercedes AMG GT AMG GT S/C/R (2015-23) (Without carbon ceramic); Mercedes AMG GT AMG GT63 (incl. S) 4-door Coupe; Mercedes C63 W205 (2015-2020); Mercedes C63 S W205 (2015-2020) (Without carbon ceramic); Mercedes S-Class S63/65 (W222, 2014-20) (Without carbon ceramic); Mercedes SL-Class SL63 (R231, 2012-17) (Without carbon ceramic); Mercedes SL-Class SL65 (R231, 2012-18) (Without carbon ceramic).