Raybestos 980521 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 980521, is engineered for select Mercedes-Benz models including the C230, C320, CLK350, SLK280, SLK300, and SLK350. Designed to meet precise specifications, this vented rotor ensures reliable braking performance tailored for street driving conditions.

• Compatible with Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, SLK350
• Part Number: 980521
• Vented disc brake rotor for improved heat dissipation
• Overall diameter: 330 mm (12.992 inches)
• Nominal thickness: 28.000 mm (1.102 inches)
• Discard thickness: 26.000 mm (1.024 inches)
• Five mounting bolt holes with 112 mm (4.409 inches) bolt circle diameter
• Center hole diameter: 67.000 mm (2.638 inches)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Specifications

This Raybestos disc brake rotor features a vented design that enhances cooling efficiency during braking, reducing the risk of brake fade. The rotor's overall diameter measures 330 mm (12.992 inches), with a nominal thickness of 28.000 mm (1.102 inches) and a discard thickness of 26.000 mm (1.024 inches), ensuring it meets strict wear limits for safety and performance. The inside diameter is 212 mm (8.346 inches), and the rotor height is 46.500 mm (1.831 inches), providing a precise fit for the specified Mercedes-Benz models. The rotor mounts using five bolt holes arranged on a 112 mm (4.409 inches) bolt circle diameter, with a center hole diameter of 67 mm (2.638 inches), compatible with the vehicle's hub assembly.

About the Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors designed for street-driven vehicles that require dependable braking performance under everyday driving conditions. This product line balances durability and heat dissipation, making it suitable for Mercedes-Benz models like the C230 and SLK350, where consistent braking response is essential without the need for race-level components.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz C230, C320, CLK350, SLK280, SLK300, SLK350
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during extended street driving
• Restores proper rotor thickness to maintain braking efficiency and safety
• Compatible with vehicles requiring a vented, conventional rotor design

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (26.000 mm) before installation
• Clean mounting surfaces and hub to prevent rotor runout
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance
• Check for proper alignment of the 5 mounting bolt holes and center hole diameter (67 mm)

Quality Assurance and Warranty

Raybestos rotors, including part number 980521, are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous quality control to ensure consistent thickness, balance, and durability. 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.