ATE SP22226 Disc Brake Rotor - Rear

ATE Coated Rear Brake Rotor Overview

The ATE Coated Single Pack Rotor SP22226 is a vented disc brake rotor built with a full cast metal construction and a rust-resistant coating. It is engineered for rear brake service on select Mercedes-Benz GL, ML, and R-Class vehicles, with a non-directional finish for straightforward service preparation.

ATE, a brand of Continental Automotive Systems, applies OE-level product and process engineering to its aftermarket brake parts. The ATE Coated Single Pack Rotor line focuses on coated brake discs that combine first-quality materials with corrosion protection for long-term service performance.

Key Features

• Part number SP22226
• Vented rear disc brake rotor
• Full cast metal construction
• Rust-resistant coating helps protect the rotor surface
• Non-directional disc finish
• 330.00 mm outside diameter
• 22.00 mm nominal thickness
• 5-bolt hole design
• 2.850 in. height

Detailed Product Description

ATE SP22226 is a coated rear brake rotor designed for Mercedes-Benz applications that require a vented rotor with OE-style dimensions and finish. The 330.00 mm outside diameter, 22.00 mm nominal thickness, and full cast construction support consistent braking performance, while the rust-resistant coating helps reduce surface corrosion during storage and service. This rotor is a practical choice for drivers searching for a rear brake rotor for 2007-2012 Mercedes-Benz GL450, rear, or a coated rear rotor for 2006-2009 Mercedes-Benz R350, rear.

This part cross-references Brembo 09.R124.21 and Zimmermann 400.3663.20 for the same application.

Vehicle Fitment

• Fits 2010-2012 Mercedes-Benz GL350, rear
• Fits 2007-2012 Mercedes-Benz GL450, rear
• Fits 2008-2012 Mercedes-Benz GL550, rear
• Fits 2010-2012 Mercedes-Benz R350, rear
• Fits 2008-2011 Mercedes-Benz ML550, rear
• Fits 2007-2009 Mercedes-Benz GL320, rear
• Fits 2007-2009 Mercedes-Benz R320, rear
• Fits 2006-2009 Mercedes-Benz R350, rear
• Fits 2006-2007 Mercedes-Benz R500, rear

Common Brake Service Uses

• Rear brake pulsation caused by rotor wear or thickness variation
• Corrosion on the braking surface or rotor hat area
• Brake noise related to uneven rotor finish
• Reduced braking consistency from worn rear rotors
• Service replacement for OE-style rear rotor dimensions

Installation Notes and Tips

Confirm rotor dimensions, bolt pattern, and rear axle application before installation. Clean the hub mounting surface thoroughly to help prevent runout concerns, and inspect pads, calipers, and hardware condition during brake service. Follow the vehicle manufacturer’s torque specifications and bedding procedure after installation.

Quality Assurance

ATE brake parts are backed by Continental Automotive Systems’ experience as a major original equipment brake system manufacturer. The SP22226 rotor is produced to meet or exceed North American OEM specifications for the listed Mercedes-Benz rear applications.