Dynamite Friction 631-63185L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for select Mercedes-Benz models. Designed with a vented, directional surface, this rotor balances heat dissipation and consistent stopping power for vehicles like the A220 and CLA250.

• Part Number: 631-63185L
• Disc Type: Vented, directional with drilled and slotted surface
• Outside Diameter: 330 mm
• Nominal Thickness: 30 mm; Discard Thickness: 28 mm
• Hat Finish: Zinc silver coating for corrosion resistance
• Rust Resistant Coating: Yes
• Bolt Hole Quantity: 5 with 112 mm bolt circle diameter
• Center Hole Diameter: 67 mm

Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction is engineered to provide enhanced heat dissipation and improved brake pad bite through its drilled and slotted surface design. The zinc silver hat finish and rust resistant coating extend rotor life by protecting against corrosion. This rotor line is tailored for performance and durability in demanding driving conditions, making it suitable for Mercedes-Benz vehicles requiring precise braking components.

Product Specifications and Features

This disc brake rotor features a vented design that helps reduce heat buildup during braking, which is critical for maintaining consistent brake performance. The directional drilled and slotted surface improves water and debris evacuation, reducing brake fade and enhancing pad contact. With a nominal thickness of 30 mm and a discard thickness of 28 mm, the rotor ensures a long service life before replacement is necessary. The zinc silver hat finish and rust resistant coating protect the rotor from corrosion, especially important for vehicles exposed to varying weather conditions.

Compatible Mercedes-Benz Models

• Mercedes-Benz A220
• Mercedes-Benz CLA250
• Mercedes-Benz EQB 250+
• Mercedes-Benz EQB 300
• Mercedes-Benz EQB 350
• Mercedes-Benz GLA250
• Mercedes-Benz GLB250

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Corrosion and rust on rotor surfaces
• Uneven brake pad wear due to poor surface contact
• Reduced braking efficiency in wet conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the bolt hole pattern matches the vehicle’s hub (5 bolt holes with 112 mm bolt circle diameter). Use proper torque specifications for lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rust resistant coating and zinc silver hat finish contribute to durability and corrosion resistance. Please refer to the manufacturer’s warranty documentation for specific coverage details related to the part number 631-63185L.