Zimmermann 400.5502.20 Disc Brake Rotor - Front

Zimmermann 400.5502.20 Front Brake Rotor

Zimmermann 400.5502.20 is a coated, perforated front disc brake rotor built to OE-style dimensions and material quality for select Mercedes-Benz applications. It is ECE R90 approved and finished with Zimmermann Coat Z anti-corrosion surface protection for a cleaner appearance and added resistance to rust.

Key Features

• Part number 400.5502.20
• Perforated disc brake rotor design
• Coated surface for corrosion resistance
• Outer diameter: 344 mm
• Thickness: 32 mm; minimum thickness: 30 mm
• Height: 64.5 mm
• Hub bore: 67 mm
• Bolt hole circle: 112 mm
• 6/5 hole arrangement
• ECE R90 approved

Product Details

This Zimmermann brake rotor is manufactured as an equivalent-quality replacement part for vehicles that require OE-level fit and braking dimensions. The perforated rotor face and coated finish support consistent braking performance while helping maintain a cleaner rotor appearance over time. Part number 400.5502.20 is listed for front axle use on Mercedes-Benz E-Class and S-Class applications, including Mercedes-Benz E400, Mercedes-Benz E550, Mercedes-Benz E300, Mercedes-Benz C250, and Mercedes-Benz S400L models in the fitment range shown below.

This part cross-references Brembo 09.B746.51 for the same application.

Fitment

• Fits 2018 Mercedes-Benz E400, front; Vehicle Equipment = for vehicles with AMG Sports Package; Product note: COAT Z
• Fits 2017-2018 Mercedes-Benz S400L, front; Vehicle Equipment = for vehicles with AMG Sports Package; Product note: COAT Z
• Fits 2012-2017 Mercedes-Benz E550, front; Country-spec. model = USA
• Fits 2009-2017 Mercedes-Benz E550, front
• Fits 2012-2016 Mercedes-Benz E300, front; Vehicle Equipment = for vehicles with sports package; Product note: COAT Z
• Fits 2016 Mercedes-Benz E400, front
• Fits 2012-2015 Mercedes-Benz C250, front; W/ Sport Edition; Vented
• Fits 2013-2015 Mercedes-Benz E400, front; W/ Sport Package; W/ AMG Sport Package; Vented
• Fits 2015 Mercedes-Benz E400, front; W/ Sport Package; W/ AMG Sport Package; W/ Sport Package Exterior
• Fits 2012 Mercedes-Benz E350, front
• Fits 2012 Mercedes-Benz E350, front; W/ Sport Package
• Fits 2010-2011 Mercedes-Benz E550, front; W/O Sport Package
• Fits 2010-2011 Mercedes-Benz E550, front; W/ Sport Package

Common Uses

• Replacing a worn front brake rotor on Mercedes-Benz E-Class or S-Class vehicles
• Addressing brake pulsation caused by rotor wear or thickness variation
• Restoring braking surface condition after scoring, heat checking, or corrosion
• Maintaining proper rotor thickness within service limits
• Supporting front brake service on sport-package equipped Mercedes-Benz models

Installation Notes

Verify rotor diameter, hub bore, bolt pattern, and minimum thickness before installation. This rotor is listed for front axle applications only, and fitment varies by model, trim, and equipment package, including AMG Sport Package, Sport Package, Sport Edition, and vented configurations. Always confirm the vehicle’s brake specification against the part number 400.5502.20 before ordering.

Quality Assurance

Zimmermann standard brake rotors are produced to dimensions and material quality specified for the original application, and this rotor carries ECE R90 approval. The coated surface is part of Zimmermann’s Coat Z anti-corrosion range, developed to improve surface appearance and help resist corrosion.