2015-2020 Mercedes-Maybach S-Class (X222) CCB Big Brake Kit | AP Racing 9560 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2015-2020 Mercedes-Maybach S500 / S550 / S560 / S600 / S650 (X222) CCB Big Brake Kit — Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper Front + Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper Rear Setup
The X222 Mercedes-Maybach is a long-wheelbase luxury sedan with high curb weight, so repeated braking can expose heat, dust, and rotor-mass drawbacks in the factory iron setup. This StopFlex Kit Upgrade uses 380mm carbon-ceramic rotors with a Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper in front and a Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper in the rear to increase thermal stability while reducing brake dust and rotating mass. Each kit is built around the confirmed S500, S550, S560, S600, or S650 trim, including the required brackets, rotor-hat offsets, lines, pads, hats, and hardware.
- 380mm front and rear carbon-ceramic rotors require 19-inch or larger wheels on the X222; inner barrel and spoke clearance must still be checked before production.
- Front braking is handled by the Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper, paired with StopFlex carbon-ceramic rotors for heat control on a heavy Maybach sedan.
- Rear braking uses the Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper on a 380mm rotor, so the rear axle is upgraded as part of the same engineered system instead of left as a factory mismatch.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Mercedes-Maybach S500 / S550 / S560 / S600 / S650 (X222) |
| Model years | 2015-2020 |
| Front setup | Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper / 380mm |
| Rear setup | Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 19" (for the 380 mm front rotor) |
Every StopFlex kit is bespoke-engineered for your exact model and trim — the brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, not assumed from the platform. This matters because trims that share a chassis name can differ mechanically: a pure M or performance variant often carries different front knuckles/uprights, hub geometry, and wheel axial (ET) clearance than the standard models in the same family, so a bracket and hat offset that bolt onto one are not the same parts that fit the other. StopFlex supplies the calipers, pads, rotor hats, floating hardware, and brake lines as a matched system built to your confirmed trim. Cars with modified knuckles, modified uprights, or non-factory suspension mounting points must be reviewed before ordering and are not treated as direct-fit.
This setup uses a 380 mm front rotor, so the minimum wheel size is 19". Wheels under 19" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.
| Wheel Size (Standard) | Disc Range |
|---|---|
| 15" | 260 mm – 285 mm |
| 16" | 285 mm – 300 mm |
| 17" | 300 mm – 330 mm |
| 18" | 330 mm – 355 mm |
| 19" | 355 mm – 380 mm |
| 20" | 380 mm – 400 mm |
| 21" | 400 mm – 420 mm |
| 22" | 420 mm – 440 mm |
Caliper Overview — Front & Rear Balance
Front Caliper (Primary Upgrade)
The front axle uses the Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper, giving the X222 a rigid, motorsport-proven fixed caliper with six pistons to distribute clamping load across the pad face. AP Racing is a known performance brake supplier, and the Radi-CAL II architecture is selected here for consistent pedal response, heat control, and packaging around a 380mm carbon-ceramic rotor. StopFlex does not rename or substitute this caliper when this kit option is specified.
Rear Caliper (Balance)
The rear axle uses the Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper with a matching 380mm carbon-ceramic rotor. Its role is to support front-to-rear brake balance, rear stability, and controlled deceleration on the long-wheelbase Maybach chassis while preserving the vehicle’s required EPB functionality through the engineered rear solution.
Front & rear, engineered together: The CP9560 front and CP9541 rear calipers are specified together so piston capacity, rotor diameter, pad area, and hydraulic behavior are engineered as one system. That matters on the X222 because a front-only big brake conversion can shift bias forward and leave the rear axle thermally and visually mismatched.
Make It Yours — Color & Logo Customization
Every StopFlex kit-upgrade order can be finished with custom caliper colors, a custom caliper logo, and custom rotor hat colors, so the brake package matches your exact build instead of a fixed off-the-shelf look.
- Custom caliper color
- Custom caliper logo
- Custom rotor hat color
Why StopFlex CCB
Lower Unsprung Mass
StopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.
High-Temperature Stability
The carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.
Rust-Free Rotor Surface
Carbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.
Long Street-Service Potential
In normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.
Low Visible Dust
When paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.
Premium Ceramic-Glaze Appearance
StopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.
Street-Usable Cold Bite
Street Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.
Continuous Fiber Reinforcement
Long-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.
Street / Track-Day / Motorsport Rotor Options
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Package Scope
| Item | Details |
|---|---|
| Front calipers | Genuine AP Racing CP9560 Radi-CAL II 6-Piston Caliper |
| Front CCB rotors | 380mm |
| Rear calipers | Genuine AP Racing CP9541 Radi-CAL II 4-Piston Caliper |
| Rear CCB rotors | 380mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| Rotor hats and floating hardware | Vehicle-specific hardware package |
| Brake lines | Included for complete kit-upgrade orders |
| Color customization | Custom caliper colors, a custom caliper logo, and custom rotor hat colors are available for every kit-upgrade order. |
| Order scope | Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation. |
EPB & Rear Caliper Options
This vehicle leaves the factory with an electronic parking brake (EPB) built into the rear brake, so the rear of the kit is built to keep that EPB working. There are two rear paths. The first is a dual-caliper rear: a main performance caliper handles braking while a dedicated EPB actuator caliper is retained alongside it, so the electronic parking brake, auto-hold, and hill-start assist all keep working; on this path the rear performance caliper can be the TTSPORT EP4 / EP4S 4-piston caliper. The second is an EPB-integrated caliper, a single rear caliper with the electromechanical parking-brake motor built in for a cleaner install with fewer parts behind the wheel; on this path the rear is the TTSPORT EP4 / EP4S 4-piston caliper with integrated EPB. Which path fits best depends on your exact trim and EPB configuration, your budget, your appearance preference, and your wheel size and spoke clearance. Confirm your car's rear-brake configuration with StopFlex before ordering so the correct EPB-compatible rear option is built for your kit.
| Rear option | What it is | Rear caliper | Best when |
|---|---|---|---|
| Dual caliper (EPB retained) | Performance caliper plus a dedicated EPB actuator caliper, both fitted on the rear, so the factory electronic parking brake keeps working. | TTSPORT EP4 / EP4S 4-Piston Caliper | You want guaranteed factory EPB, auto-hold, and hill-start behavior preserved. |
| EPB-integrated caliper | A single rear caliper with the electromechanical parking-brake motor built in, for a cleaner install with fewer parts behind the wheel. | TTSPORT EP4 / EP4S 4-Piston Caliper with integrated EPB | You want a cleaner single-caliper rear with full EPB function. |
FAQ
Will this kit fit my exact Mercedes-Maybach X222 trim?
Fitment is confirmed against your exact S500, S550, S560, S600, or S650 configuration before production. StopFlex matches brackets, caliper mounting, rotor-hat offsets, and brake lines to the specific trim rather than assuming every X222 uses the same knuckle, hub, and wheel-clearance geometry.
What wheel size is required for the 380mm carbon-ceramic setup?
The 380mm rotor package requires 19-inch or larger wheels. Wheel diameter alone is not enough; StopFlex also checks spoke clearance for the AP Racing CP9560 front caliper and the rear CP9541 caliper before the kit is built.
Will the electronic parking brake still work?
Yes, the rear package is engineered around the X222’s factory electronic parking brake requirement. EPB compatibility must be confirmed during order review because the rear brake hardware and parking-brake integration are not treated as generic parts.
Why switch a Maybach S-Class from factory brakes to carbon ceramic?
On a heavy X222, carbon-ceramic rotors reduce rotating mass, cut visible brake dust, and tolerate repeated heat cycles better than conventional iron rotors. This kit also replaces the factory-style caliper layout with AP Racing CP9560 front and CP9541 rear fixed calipers for a complete front-and-rear braking system.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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