Raybestos 980203 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980203 is engineered for Mercedes-Benz models including CL500, S350, S430, and S500. Designed as a solid, conventional rotor, it offers reliable braking performance tailored for street use.

• Part Number: 980203
• Brand Line: Specialty - Street Performance
• Rotor Type: Solid, Conventional
• Outside Diameter: 11.811 inches (300 mm)
• Nominal Thickness: 0.433 inches (11.000 mm)
• Discard Thickness: 0.366 inches (9.300 mm)
• Overall Height: 2.303 inches (58.500 mm)
• Mounting Bolt Hole Quantity: 5
• Mounting Bolt Hole Circle Diameter: 4.409 inches (112.000 mm)
• Center Hole Diameter: 2.638 inches (67.000 mm)
• Mounting Bolt Hole Diameter: 0.586 inches (14.900 mm)
• Stud/Lug Hole Quantity: 5

Detailed Product Description

This Raybestos disc brake rotor 980203 is designed specifically for Mercedes-Benz vehicles such as the CL500, S350, S430, and S500. The rotor features a solid, conventional design that provides consistent braking performance under typical street driving conditions. With an outside diameter of 11.811 inches and a nominal thickness of 0.433 inches, this rotor meets the precise specifications required for proper fitment and function on these models.

The rotor’s discard thickness is 0.366 inches, indicating the minimum thickness before replacement is necessary to maintain safe braking. The overall height of 2.303 inches ensures compatibility with the vehicle’s brake caliper and hub assembly. The 5 mounting bolt holes and 5 stud/lug holes, along with a bolt hole circle diameter of 4.409 inches, align with the factory mounting points for secure installation.

Specialty - Street Performance Brand Line

The Specialty - Street Performance line by Raybestos focuses on delivering rotors engineered for street-driven vehicles requiring dependable braking without the complexity of vented or drilled designs. This product line emphasizes solid rotors that maintain structural integrity and consistent wear characteristics, making them suitable for Mercedes-Benz models used in everyday driving scenarios.

Common Applications and Issues Addressed

• Replacement of worn or warped rotors on Mercedes-Benz CL500, S350, S430, and S500
• Restoring proper brake rotor thickness to prevent brake fade
• Eliminating brake pulsation caused by uneven rotor surfaces
• Ensuring correct rotor dimensions for safe and effective braking
• Maintaining compatibility with factory mounting specifications

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.366 inches
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and calipers during installation for optimal braking system performance
• Use proper tools to align rotor bolt holes with hub assembly

Quality Assurance and Warranty

Raybestos rotors, including part number 980203, are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance rotors undergo rigorous quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or supplier.