Zimmermann 166-423-03-12 Coat Z Vented Cross-Drilled Brake Disc

The Zimmermann 166-423-03-12 is a premium Coat Z brake disc engineered to original equipment specifications for Mercedes-Benz GL-Class and ML-Class vehicles. This vented and cross-drilled rotor combines superior performance with advanced corrosion protection for extended service life and improved appearance.

Coat Z Anti-Corrosion Technology:

• Eco-friendly protective coating prevents rust formation at the hub and friction surfaces
• Ready to install straight from the box with no coating removal required
• Maintains attractive appearance throughout the rotor's service life
• Extended rotor longevity compared to uncoated brake discs

Performance Features:

• Cross-drilled design effectively dissipates moisture and brake dust from braking surface
• Internally vented construction for optimized heat dissipation and thermal management
• Manufactured from high-quality grey cast iron with flake graphite
• Precision-engineered in Germany to meet strict OE specifications
• Inertia-dynamometer tested to guarantee superior quality and performance

Zimmermann has been a global leader in brake technology and serves as an original equipment manufacturer for many vehicle brands. This brake disc is manufactured in conformity with DIN EN ISO 9001:2008 and DIN ISO TS 16949 standards, ensuring consistent high-quality performance that meets or exceeds factory specifications.

Cross-Reference Numbers: Mercedes-Benz OEM 1664230312, Zimmermann 400368820