Zimmermann 400.3657.20 Vented Disc Brake Rotor with Coat Z

The Zimmermann 400.3657.20 is a premium vented disc brake rotor engineered for Mercedes-Benz vehicles. This German-manufactured rotor features Zimmermann's proprietary Coat Z anti-corrosion coating that protects against rust formation on the hub and within the cooling vanes, ensuring superior visual appearance and immediate functional capability without pre-installation preparation.

Key Features:

• OEM-equivalent quality meeting KFZ-GVO (EU) no. 330/2010 standards
• High-carbon construction for exceptional thermal resistance and wear characteristics
• Internal venting for superior heat dissipation and reduced brake fade
• Coat Z anti-corrosion coating eliminates rust and extends service life
• Precision-engineered to original equipment dimensions and specifications
• Ready to install without surface preparation or coating removal

Zimmermann has served as an OE supplier to major German automotive manufacturers including Mercedes-Benz, Porsche, and BMW. This rotor is manufactured to the exact material quality and dimensional specifications required by automotive manufacturers, ensuring optimal braking performance and safety. Cross-references to Mercedes-Benz OEM part number 000423121290.