InMotion WA520003 Wheel Bearing and Hub Assembly - Front

Front Wheel Hub Assembly for Mercedes-Benz

The InMotion WA520003 wheel bearing and hub assembly is built for front-end service on select Mercedes-Benz models. It is engineered from OE data and measurements for accurate fitment, stable performance, and long service life.

Designed as a direct replacement for the original front hub assembly, this unit supports proper wheel mounting and ABS sensor function on applications that require it. It is a practical choice for Mercedes-Benz E-Class, C-Class, and SLK/SLC front hub replacement service.

Key Features

• Part number: WA520003
• Front wheel bearing and hub assembly
• OE-data-based design for fitment and performance
• High-precision manufacturing with strict quality-control standards
• Anti-lock brake sensor included
• 5 wheel studs
• Wheel pilot diameter: 66.4 mm
• Brake pilot diameter: 67.0 mm
• Bolt circle diameter: 112.0 mm
• Flange diameter: 150.0 mm

Detailed Description

InMotion WA520003 is a front wheel bearing and hub assembly made for Mercedes-Benz vehicles that use a 5-lug, 112 mm bolt circle front hub design. The assembly is manufactured with precise measurements to match the original part location and support consistent wheel mounting, braking system alignment, and ABS sensor operation. This part number, WA520003, is a direct replacement option for front hub service on Mercedes-Benz E400, E550, E350, C250, C300, C350, SLK250, SLK300, SLK350, SLK55 AMG, and SLC300 applications listed below.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Front wheel bearing noise or rough rotation
• Wheel play caused by hub wear
• ABS warning light concerns related to the hub-mounted sensor
• Vibration or looseness at the front wheel mounting point
• Fitment issues from a worn or damaged original hub assembly

Fitment

• Fits 2017-2020 Mercedes-Benz SLC300, Front, Standard Grade
• Fits 2015-2017 Mercedes-Benz E400, Front, Standard Grade
• Fits 2010-2017 Mercedes-Benz E550, Front, Standard Grade
• Fits 2016 Mercedes-Benz SLK300, Front, Standard Grade
• Fits 2012-2016 Mercedes-Benz SLK350, Front, Standard Grade
• Fits 2012-2016 Mercedes-Benz SLK55 AMG, Front, Standard Grade
• Fits 2012-2015 Mercedes-Benz C250, Front, Standard Grade
• Fits 2008-2015 Mercedes-Benz C350, Front, Standard Grade
• Fits 2012-2015 Mercedes-Benz SLK250, Front, Standard Grade
• Fits 2010-2014 Mercedes-Benz E350, Front, Standard Grade
• Fits 2008-2011 Mercedes-Benz C300, Front, Standard Grade

Installation Notes and Quality Assurance

Confirm the front position, bolt circle diameter, wheel pilot diameter, and brake pilot diameter before installation. Verify ABS sensor connection and compare the original hub dimensions to the replacement part before assembly. Professional installation is recommended for proper torque, bearing seating, and brake system alignment.

InMotion manufactures this hub assembly using OE data and strict quality-control criteria to support accurate fitment and dependable service on Mercedes-Benz front hub applications.