KD7846 RS-635 Rear Brake Pads - Mercedes-Benz G-Class

Barbaro Racing KD7846 RS-635 rear brake pads for Mercedes-Benz G-Class / AMG G63 and Mercedes-AMG G63 single-piston calipers. RS-635 is Barbaro's low-metallic endurance race compound (50–800°C, μ 0.40–0.52) — CEC 2025 TCS class winner. Pad shape KD7846: 132 × 79.1 × 17.1 mm; interchanges with FMSI D2239, Brembo P50167.

Specifications

Barbaro part number	KD7846
Compound	RS-635 — Race endurance low-metallic
Barbaro factory code (SKU)	D78462N5
Axle	Rear
Dimensions (L × H × T)	132 × 79.1 × 17.1 mm
Drawing note	X2 pads 132 x 70.1 x 17.1; X2 pads with wear-sensor tab 132 x 79.1 x 17.1; backing 6; friction 64.5
Supplied as	One axle set
Also available for KD7846	KD7846 C-01 Premium Street, KD7846 S-01 Street & Track, KD7846 CSI-01B Carbon-Ceramic

Caliper fitment

Caliper brand	Caliper	Details
Mercedes-AMG	G63 single-piston (rear)	68 mm friction face

Vehicle fitment

Make	Model	Chassis	Years	Engine / variant	Notes
Mercedes-Benz	AMG G63		2019–
Mercedes-Benz	G-Class	W463 (W463-2)	2018–	4MATIC, 4.0T

Fitment is compiled from the Barbaro Racing application catalogue and Barbaro factory data, together with the vehicle listings of the interchange part numbers below. Brake packages can differ within one model — please compare your current pads with the dimensions and drawing, or send us your VIN, before ordering.

Cross-reference / interchange numbers

FMSI	D2239
Brembo	P50167
WVA	22717, 22718

Interchange numbers identify the matching pad shape. Friction material, shims and wear-sensor hardware can differ between brands.

About the RS-635 compound

RS-635 · The endurance champion

The CEC 2025 class winner. At Tianfu International Circuit, a Hongqi H6 on RS-635 ran a 200-minute stint against PAGID RST3's 120 — with less wear.

Temperature range: 50–800°C
Friction: μ 0.40–0.52 (steel disc)
Formula: Race endurance low-metallic
Discs: Steel and carbon-ceramic
CEC Championship validated — TCS class winner
200 min endurance on a single set
Ideal for: Endurance racing in heavier GTC and touring cars

RS-635 full specifications on barbaro-racing.com

About Barbaro Racing

Barbaro Racing (野蛮人) is the performance brand of the CAC Racing Division — proprietary compounds developed entirely in-house. Development begins on the dynamometer and ends on the circuit: every friction formula is bench-tested to destruction before earning the right to carry the Barbaro name. All compounds are validated against GB5763-2018 national standards; Street Series compounds are asbestos-free.