Wagner Brake ZX1123 Disc Brake Pad Set - Front

QuickStop Front Brake Pads for Mercedes-Benz

Wagner Brake QuickStop ZX1123 is a front disc brake pad set built for Mercedes-Benz applications that need consistent stopping performance and controlled noise. The semi-metallic friction material, chamfered edges, slotted design, and included shims and abutment clips support a clean OE-style brake service.

QuickStop is Wagner Brake’s replacement line focused on restoring like-new braking behavior with friction that is processed after curing for more even performance over the life of the pad. For drivers searching for Mercedes-Benz GL450 front brake pads, Mercedes-Benz ML350 front brake pads, or Wagner Brake ZX1123, this set is built around those service needs.

Key Features

• Front disc brake pad set for select Mercedes-Benz models
• Semi-metallic friction material for OE-style braking response
• Slotted pad design helps manage heat and surface conditioning
• Chamfered edges and shims help reduce vibration-related noise
• Abutment clips included for a complete brake pad service
• Pad wear sensor not included
• FMSI number: 8229-D1123

Detailed Description

Wagner Brake ZX1123 is engineered for front axle service on select Mercedes-Benz vehicles, including GL350, GL450, GL550, ML350, ML450, ML550, R350, E350, E550, G55 AMG, and related applications listed below. The pad set uses semi-metallic friction material with a 100% post-cure process to help maintain even friction performance as the pads wear. Outer pad thickness measures 0.773 and inner pad thickness measures 0.795, supporting a direct replacement approach for the specified front brake applications.

This part cross-references Centric Parts 300.11230 for the same application. If you are replacing worn front pads on a Mercedes-Benz GL450, ML350, or R350, ZX1123 provides the fitment and hardware details needed for a focused brake repair.

What It Helps Fix

• Squealing or vibration from worn front brake pads
• Reduced braking response caused by depleted friction material
• Uneven pad wear on the front axle
• Brake noise related to pad movement or contact irregularities
• Service issues on Mercedes-Benz front disc brake systems

Installation Notes and Tips

• Verify rotor condition before installing new pads; replace or resurface rotors as needed.
• Clean caliper contact points and inspect hardware surfaces before assembly.
• Confirm the vehicle uses the listed front application and note any wheel, package, or chassis restrictions shown in fitment.
• Follow proper bedding-in procedures after installation to help establish consistent pad transfer.
• Check pad wear sensor requirements separately, since this set does not include a sensor.

Quality Assurance

Wagner Brake QuickStop pads are developed to restore OE-style braking performance and are tested to support even friction behavior across the service life of the pad. The design also focuses on reducing noise-causing vibration through chamfers, shims, and slotted pad construction.

• Fits 2013 Mercedes-Benz R350, front
• Fits 2010-2012 Mercedes-Benz GL350, front
• Fits 2009-2012 Mercedes-Benz GL450, front
• Fits 2008-2012 Mercedes-Benz GL550, front
• Fits 2006-2012 Mercedes-Benz R350, front
• Fits 2005-2011 Mercedes-Benz G55 AMG, front
• Fits 2006-2011 Mercedes-Benz ML350, front
• Fits 2010-2011 Mercedes-Benz ML450, front
• Fits 2008-2011 Mercedes-Benz ML550, front
• Fits 2007-2009 Mercedes-Benz E350, front
• Fits 2007-2009 Mercedes-Benz E550, front
• Fits 2007-2009 Mercedes-Benz GL320, front
• Fits 2007-2009 Mercedes-Benz ML320, front
• Fits 2007-2009 Mercedes-Benz R320, front
• Fits 2007-2008 Mercedes-Benz GL450, front
• Fits 2006-2007 Mercedes-Benz ML500, front
• Fits 2006-2007 Mercedes-Benz R500, front
• Fits 2006 Mercedes-Benz E350, front
• Fits 2005-2006 Mercedes-Benz E500, front