Raybestos 980521R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980521R

The Raybestos R-Line Disc Brake Rotor 980521R is engineered for reliable braking performance on select Mercedes-Benz models. Designed as a vented, conventional rotor, it offers precise fitment and consistent stopping power for vehicles like the C230, C320, CLK350, SLK280, SLK300, and SLK350.

• Compatible with Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, SLK350
• Part number 980521R ensures exact replacement fit
• Vented disc brake rotor design for improved heat dissipation
• 5 mounting bolt holes with 112 mm bolt circle diameter
• Nominal thickness of 28.000 mm and discard thickness of 26.000 mm
• Outside diameter of 330.000 mm and inside diameter of 212.000 mm
• Overall height of 46.500 mm for proper alignment

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes durability and consistent performance, making it suitable for drivers seeking reliable replacement parts for their Mercedes-Benz vehicles. The 980521R rotor is part of this line, offering a vented design that helps maintain optimal braking temperatures under normal driving conditions.

Technical Specifications and Features

The 980521R disc brake rotor features a vented design, which enhances cooling by allowing air to flow between the rotor surfaces. This helps reduce brake fade during extended use. The rotor has a nominal thickness of 28.000 mm and a discard thickness of 26.000 mm, indicating when replacement is necessary to maintain safe braking performance. Its outside diameter measures 330.000 mm, with an inside diameter of 212.000 mm, ensuring compatibility with the specified Mercedes-Benz models. The rotor includes five mounting bolt holes arranged on a 112 mm bolt circle diameter, matching factory specifications for secure installation.

Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, SLK350
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps restore proper braking performance and pedal feel
• Prevents brake fade by improving heat dissipation with vented design
• Ensures safe stopping distances by maintaining rotor thickness within specifications

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 26.000 mm discard thickness
• Ensure mounting surfaces and bolt holes are clean and free of debris
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to ensure even rotor wear
• Perform a test drive to confirm proper braking function after installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet OEM standards for fit, form, and function. The 980521R rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability for Mercedes-Benz brake system maintenance.