Zimmermann 400.3685.20 Disc Brake Rotor - Front

Overview of Zimmermann Disc Brake Rotor 400.3685.20

The Zimmermann disc brake rotor 400.3685.20 is engineered for reliable braking performance on select Mercedes-Benz models. Designed with precision, this perforated rotor enhances heat dissipation and braking efficiency for vehicles like the GLE300d and ML350.

• Perforated brake disc type for improved cooling
• 350 mm outer diameter with 32 mm thickness
• Coated surface to resist corrosion
• 8/5 hole arrangement with 112 mm bolt hole circle
• Hub bore diameter of 67 mm for secure fitment
• Minimum thickness of 29.4 mm ensuring durability
• Weight of 11.7 kg for balanced performance
• Height of 54.5 mm compatible with specified Mercedes-Benz models

Technical Details and Specifications

This Zimmermann disc brake rotor features a perforated design that allows for better heat dissipation during braking, reducing the risk of brake fade. The rotor measures 350 mm in outer diameter and 32 mm in thickness, providing a robust braking surface. Its coated finish helps protect against rust and corrosion, extending the rotor's service life. The bolt hole circle diameter is 112 mm with an 8/5 hole arrangement, ensuring compatibility with the hub assembly. The hub bore diameter of 67 mm guarantees a precise fit on the wheel hub, while the minimum thickness of 29.4 mm indicates the rotor's wear limit for safe operation. Weighing 11.7 kg, this rotor balances strength and weight for optimal braking response.

Compatible Mercedes-Benz Models

This disc brake rotor 400.3685.20 is compatible with a range of Mercedes-Benz vehicles, including the GLE300d, GLE350, GLE350d, GLE400, GLE500, ML250, ML350, and ML400. It is designed to meet the specific braking requirements of these models, ensuring proper fitment and performance.

Common Applications and Problem Solving

• Replacement for worn or warped brake rotors on Mercedes-Benz GLE and ML series
• Improves braking efficiency by reducing heat buildup during heavy use
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Restores proper braking performance after rotor surface damage
• Prevents corrosion-related rotor degradation with coated surface

Installation Notes and Tips

When installing the Zimmermann disc brake rotor 400.3685.20, ensure the rotor is compatible with your specific Mercedes-Benz model. Verify the bolt hole circle and hub bore dimensions match your vehicle’s specifications. It is recommended to inspect brake pads and replace them if worn to maintain optimal braking performance. Proper torque settings should be applied to the wheel bolts to avoid rotor warping. Always follow manufacturer guidelines for brake system maintenance.

Quality Assurance and Warranty

Zimmermann rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. The coated surface provides additional protection against corrosion, contributing to the rotor’s longevity. While specific warranty details are not provided, Zimmermann products typically adhere to industry quality controls and are suitable for professional automotive repair and maintenance.