Raybestos 981776 Disc Brake Rotor - Front

Raybestos Specialty Coated Rotor Overview

The Raybestos Specialty - Street Performance; Coated Rotor (part number 981776) is engineered for Mercedes-Benz CLA250 and GLA250 models. This vented disc brake rotor offers precise dimensions and a durable coating designed to enhance braking performance and rotor longevity.

• Compatible with Mercedes-Benz CLA250 and GLA250
• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.012 inches (51.100 mm)
• Outside diameter: 12.598 inches (320.000 mm)
• Mounting bolt hole quantity: 5 with 4.409 inch (112.000 mm) bolt circle diameter
• Nominal thickness: 1.180 inches (29.950 mm)
• Discard thickness: 1.100 inches (27.950 mm)
• Conventional rotor type with drum-in-hat design

Detailed Product Description

This Raybestos disc brake rotor, part number 981776, is designed specifically for Mercedes-Benz CLA250 and GLA250 vehicles. The rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade under demanding driving conditions. With an outside diameter of 12.598 inches (320 mm) and an overall height of 2.012 inches (51.1 mm), it meets the exact specifications required for proper fitment and performance.

The nominal thickness of 1.180 inches (29.95 mm) ensures structural integrity, while the discard thickness of 1.100 inches (27.95 mm) indicates the minimum safe thickness before replacement is necessary. The rotor includes five mounting bolt holes arranged on a 4.409 inch (112 mm) bolt circle diameter, matching the factory specifications for secure installation.

Specialty - Street Performance; Coated Rotor Line

The Specialty - Street Performance; Coated Rotor line by Raybestos is designed to provide enhanced corrosion resistance and consistent braking performance for street-driven vehicles. The coating helps protect the rotor surface from rust and environmental damage, extending the service life of the rotor while maintaining reliable stopping power. This product line is suitable for drivers seeking a balance between performance and durability in everyday driving conditions.

Applications and Problem Solving

• Replacement rotor for worn or warped rotors on Mercedes-Benz CLA250 and GLA250
• Addresses brake fade caused by excessive heat buildup
• Prevents rust and corrosion on rotor surfaces
• Restores proper braking performance and pedal feel
• Ensures safe and secure mounting with factory bolt pattern

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 1.100 inches (27.95 mm)
• Ensure mounting surface and bolts are clean and free of debris
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance; Coated Rotor line undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.