Brembo 09.A448.21 Disc Brake Rotor - Front

Overview of Brembo Premium UV Coated OE Equivalent Rotor

The Brembo 09.A448.21 disc brake rotor is engineered for reliable braking performance on select Mercedes-Benz models. Designed with high carbon material and a UV coated finish, this rotor offers durability and resistance to rust, making it suitable for vehicles like the Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, and SLK350.

• High carbon material for enhanced strength and heat dissipation
• Drilled braking surface to improve cooling and reduce brake fade
• Vented rotor design for efficient heat management
• UV coated rust-resistant finish for extended rotor life
• Includes fixing screws for straightforward installation
• Compatible with 5-hole mounting and 67mm centering diameter
• Outside diameter of 330mm and nominal thickness of 28mm
• Torque specification of 110 Nm for proper fitment

Detailed Product Features and Specifications

This Brembo disc brake rotor, part number 09.A448.21, is constructed from high carbon steel, which provides improved thermal conductivity and resistance to warping under heavy braking conditions. The drilled braking surface enhances heat dissipation and helps maintain consistent braking performance by reducing the risk of brake fade. Its vented design further aids in cooling by allowing air to flow between the rotor surfaces.

The rotor measures 330mm in outside diameter with a nominal thickness of 28mm and a minimum thickness of 26mm, ensuring compatibility with the specified Mercedes-Benz models. The centering diameter is 67mm, and it features a 5-hole mounting pattern. The included fixing screws simplify installation, and the rotor is coated with a UV resistant finish to protect against rust and corrosion.

About the Premium UV Coated OE Equivalent Rotor Line

The Brembo Premium UV Coated OE Equivalent Rotor line is designed to meet or exceed original equipment specifications. This product line focuses on providing rotors with enhanced corrosion resistance through UV coating, ensuring longevity and consistent performance. The 09.A448.21 rotor is part of this line, offering a balance of durability and OE-level fitment for Mercedes-Benz vehicles.

Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, and SLK350
• Addresses brake fade caused by overheating during heavy braking
• Prevents rust and corrosion that can reduce rotor lifespan
• Improves braking consistency with drilled and vented design
• Restores proper rotor thickness and surface condition for safe braking

Installation Notes and Tips

• Ensure the rotor thickness meets minimum specifications before installation
• Use the included fixing screws and torque to 110 Nm for secure mounting
• Clean the rotor surface to remove any protective coatings before brake pad installation
• Check compatibility with your specific Mercedes-Benz model and year
• Inspect brake calipers and pads for wear during rotor replacement

Quality Assurance and Warranty

Brembo rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Premium UV Coated OE Equivalent Rotor line includes corrosion-resistant coatings to extend service life. Warranty coverage details should be confirmed with the point of purchase or Brembo directly, as they may vary by region and application.