2003-2010 Mercedes-Benz CLK-Class / AMG (C209/A209) CCB Big Brake Kit | Brembo GT6 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2003-2010 Mercedes-Benz CLK350 / CLK500 / CLK550 / CLK63 (C209/A209) CCB Big Brake Kit — Genuine Brembo GT6 Front + Genuine Brembo GT4 Rear Setup
The C209/A209 CLK owner usually shops a carbon-ceramic kit after the factory iron brakes start showing heat fade, dust buildup, or repeated rotor service during fast road and track use. This StopFlex kit pairs 380mm carbon-ceramic rotors with Brembo V6 / GT6 / GTS6 6-piston front caliper options and Brembo V4 / GT4 / GTS4 4-piston rear options for higher heat capacity, reduced rotating mass, and lower brake dust than iron. Because CLK350, CLK500, CLK550, and CLK63 hardware can differ by trim, the brackets, hats, offsets, and mounting geometry are engineered only after the exact car and wheel package are confirmed.
- 380mm front and rear carbon-ceramic rotors require 19-inch or larger wheels on the C209/A209 CLK; barrel and spoke clearance are verified before production.
- Front choices are V6, GT6, or GTS6 6-piston Brembo calipers on a 380mm rotor, giving the CLK a larger thermal package than the original iron-brake layout.
- CLK350, CLK500, CLK550, and CLK63 fitment is not treated as one shared W209 pattern; StopFlex matches brackets and rotor-hat offsets to the confirmed trim, body style, hub geometry, and wheel ET.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Mercedes-Benz CLK350 / CLK500 / CLK550 / CLK63 (C209/A209) |
| Model years | 2003-2010 |
| Front setup | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options / 380mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 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 Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, selected by the buyer for the desired caliper family and finish path. V6 uses a Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper with a 380mm rotor, GT6 uses a Genuine Brembo GT | M6 6-Piston Caliper with a 380mm rotor, and GTS6 uses a Genuine Brembo GT | S6 6-Piston Caliper with a 380mm rotor. The 6-piston layout spreads pad pressure across the rotor face for stable pedal response and repeatable clamp force under heat.
Rear Caliper (Balance)
The rear axle uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options with a 380mm carbon-ceramic rotor to keep rear contribution matched to the larger front package. V4 uses a Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper, GT4 uses a Genuine Brembo GT | M4 4-Piston Caliper, and GTS4 uses a Genuine Brembo GT | S4 4-Piston Caliper.
Front & rear, engineered together: The front and rear systems are engineered together so piston area, rotor diameter, pad selection, and hat offset work as one brake package instead of a front-only conversion with unknown rear bias. On a CLK350, CLK500, CLK550, or CLK63, that matters because chassis balance, ABS behavior, and rear stability depend on the relationship between both axles.
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 | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options |
| Front CCB rotors | 380mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| 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. |
| Front caliper option mapping | V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper — 380 mm rotor GT6 = Genuine Brembo GT | M6 6-Piston Caliper — 380 mm rotor GTS6 = Genuine Brembo GT | S6 6-Piston Caliper — 380 mm rotor |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 380 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 380 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 380 mm rotor |
FAQ
Will this kit fit my exact CLK350, CLK500, CLK550, or CLK63?
Fitment is confirmed per vehicle, not by platform name alone. StopFlex builds the brackets, rotor-hat offsets, and caliper mounting around your exact C209 coupe or A209 cabriolet trim, because AMG and non-AMG CLK variants can differ in uprights, hub geometry, and wheel clearance.
What wheel size do I need for the 380mm StopFlex kit?
The 380mm front and rear rotors require 19-inch or larger wheels. Wheel diameter alone is not enough; StopFlex also checks spoke profile, barrel shape, offset, and caliper clearance before the kit is finalized.
Does this CLK kit keep the parking brake?
Yes, the kit is engineered around the C209/A209 mechanical parking-brake layout. This chassis does not use a factory EPB, so there is no electronic rear parking-brake motor to retain or relocate.
Why choose carbon-ceramic instead of replacement iron rotors on this CLK?
Carbon-ceramic rotors reduce rotating and unsprung mass, create much less visible dust, and tolerate repeated high-temperature use better than conventional iron rotors. On the heavier V8 and AMG CLK models, that directly addresses brake heat, dust on open wheels, and repeated rotor service during aggressive driving.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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