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Drilled Rear Brake Service for Mercedes-Benz E55 AMG and CLS55 AMG
Brembo KT04470 combines two 330 mm rear rotors with a matching rear pad set for the verified Mercedes-Benz applications below. The ventilated, cross-drilled rotors and Prime low-metallic pads replace compatible original brake components.
Key Features
- Two Brembo 09.C502.11 rear rotors with cross-drilled braking surfaces.
- 330 mm diameter and 26 mm nominal rotor thickness.
- High-carbon cast-iron rotors with protective UV coating on the hub and edges.
- P50061 rear pad set with anti-squeal shims and provision for a wear indicator.
- KT04470 services the rear axle; retain the compatible factory calipers.
Fitment
| Years | Make | Model | Submodel |
|---|---|---|---|
| 2003–2006 | Mercedes-Benz | E55 AMG | Base |
| 2006 | Mercedes-Benz | CLS55 AMG | Base |
Verify the original rear brake equipment and rotor dimensions before ordering KT04470. Modified brake systems require individual checks. Rotor-only applications do not establish fitment for the complete pad-and-rotor kit.
Specifications
| Detail | Value |
|---|---|
| Brand | Brembo |
| Kit manufacturer part number | KT04470 |
| Position | Rear axle |
| Rotor part number | 09.C502.11 |
| Rotor construction | Ventilated; cross-drilled surface; high-carbon cast iron |
| Rotor diameter / thickness | 330 mm / 26 mm nominal |
| Rotor minimum thickness | 24 mm |
| Rotor height / centering diameter | 68 mm / 67 mm |
| Wheel mounting holes | 5 |
| Pad set | P50061; low-metallic; prepared for wear indicator |
What's Included
- Two 09.C502.11 rear brake rotors.
- One P50061 rear axle pad set.
KT04470 does not include calipers. The manufacturer component photographs show the rotor and pad set separately; two rotors are supplied in the kit.
About Brembo
Brembo develops braking components for original-equipment and aftermarket applications. Its Prime replacement range focuses on matching the specified braking system and maintaining consistent road-use braking performance.
Related Parts
- Brembo 09.C502.11 rear rotor — the individual rotor component; two are included here.
- Brembo P50061 rear pads — the pad component. Confirm the complete kit application above rather than relying on a component listing title.
FAQ
What is the KT04470?It is a Brembo rear brake service kit containing two drilled rotors and one matching rear pad set for the listed Mercedes-Benz applications.
Are the rotors drilled or slotted?The specified rotors are cross-drilled and ventilated; they are not slotted.
Does the kit cover both rear wheels?Yes. Two rotors and a rear axle pad set are included.
What size are the rotors?Each rotor is 330 mm in diameter and 26 mm thick when new, with a 24 mm minimum thickness.
Are calipers included?No. This service kit uses the compatible existing rear calipers.
Is a wear sensor included?The pads are prepared for a wear indicator. A separate replacement sensor is not established as kit contents; inspect and order the correct sensor if required.
Will this work with modified brakes?Only after verifying caliper, rotor and pad compatibility. The listed application assumes compatible original brake equipment.
Should a professional install the kit?Professional installation is recommended. Brake service requires appropriate tools, checks and the vehicle manufacturer's procedures.
Installation Instructions
- Verify the vehicle and original rear brake configuration. Review the manufacturer rotor information and assembly instructions.
- Support the vehicle safely, remove the rear wheels and inspect calipers, hoses, parking-brake components and wear sensors.
- Clean the hub contact surfaces, check runout and fit the new rotors and pads using the vehicle service procedure and specified fastener torques.
- Restore pedal pressure, verify brake operation and follow the appropriate bedding procedure before normal driving.
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