MPA Electrical BR45397GDR Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mercedes-Benz Vehicles

The MPA Electrical Black Series Coated Rotor BR45397GDR offers a durable and rust-resistant braking solution designed specifically for select Mercedes-Benz models. Engineered to meet standard replacement specifications, this disc brake rotor ensures consistent performance and longevity.

• Coated disc and hat finish for enhanced rust resistance
• X drilled surface type for improved heat dissipation
• Nominal thickness of 1.28 inches (32.4 mm) with discard thickness at 1.16 inches (29.4 mm)
• Standard replacement grade type for reliable fit and function
• Compatible with Mercedes-Benz E350, E500, S430, and S500 models

About the Black Series Coated Rotor Line

The Black Series Coated Rotor line by MPA Electrical features rotors with a protective coating on both the disc and hat surfaces. This coating helps reduce corrosion and extends the rotor's service life, making it suitable for drivers seeking a maintenance-friendly replacement part. The X drilled surface design enhances braking performance by allowing better heat dissipation during operation.

Product Details and Specifications

This disc brake rotor, part number BR45397GDR, is manufactured to meet standard replacement criteria, ensuring compatibility and reliable braking performance for your Mercedes-Benz E350, E500, S430, or S500. The rotor has a nominal thickness of 1.28 inches (32.4 mm) and a discard thickness of 1.16 inches (29.4 mm), which indicates when the rotor should be replaced to maintain safe braking. The coated finish on both the disc and hat surfaces provides rust resistance, helping to maintain rotor integrity over time. The X drilled surface type improves heat dissipation, reducing the risk of brake fade under demanding conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake vibration
• Upgrading corroded rotors to prevent rust-related damage
• Restoring braking performance on Mercedes-Benz E350, E500, S430, and S500 models
• Addressing brake noise issues related to rotor surface wear
• Maintaining safe braking by replacing rotors at discard thickness

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 1.16 inches (29.4 mm). Clean the hub surface thoroughly to prevent uneven rotor mounting. Use proper torque specifications for lug nuts to avoid rotor warping. This rotor does not include bearings, so verify existing bearings are in good condition or replace as needed.

Quality Assurance and Warranty

The MPA Electrical Black Series Coated Rotor BR45397GDR is a new, standard replacement part designed to meet OEM specifications for Mercedes-Benz vehicles. The rust-resistant coating and precise manufacturing standards contribute to consistent braking performance. Warranty details should be confirmed with the distributor or manufacturer.