Dorman 524-539 Suspension Control Arm - Front Left Lower

Dorman 524-539 Front Left Lower Control Arm

Dorman 524-539 is a suspension control arm for the front left lower position on select Mercedes-Benz SUVs. It is precision-engineered and tested as a direct replacement for the original equipment part, with an aluminum body, coated finish, and rubber bushings for OE-style fit and function.

Key Features

• Fits select Mercedes-Benz GLE350, GLE400, GLE500, GLS450, GL450, ML350, and related models in the front left lower position
• Aluminum construction with casting/forged design for strength and weight efficiency
• Coated black finish for added corrosion resistance
• Rubber bushing included with black bushing color
• Welded ball joint mounting type with threaded stud interface
• Direct replacement part number 524-539 for OE-style suspension service

Detailed Description

This Dorman suspension control arm is built for Mercedes-Benz front suspension repair where the original arm has worn bushings, looseness, or alignment-related issues. The aluminum construction and coated finish support durable service in demanding road conditions, while the included rubber bushing helps restore proper suspension articulation and ride control. Part number 524-539 is a practical OE replacement for the front left lower control arm on 2012-2019 Mercedes-Benz ML, GL, GLE, and GLS applications listed below.

This part cross-references MOOG Chassis Products RK643148 for the same application.

Vehicle Fitment

• Fits 2016-2019 Mercedes-Benz GLE350, front left lower
• Fits 2016-2019 Mercedes-Benz GLE400, front left lower
• Fits 2016-2019 Mercedes-Benz GLE500, front left lower
• Fits 2018-2019 Mercedes-Benz GLE500e, front left lower
• Fits 2017-2019 Mercedes-Benz GLS450, front left lower
• Fits 2019 Mercedes-Benz GLS500, front left lower
• Fits 2017 Mercedes-Benz GLS500, front left lower
• Fits 2017-2019 Mercedes-Benz GLS550, front left lower
• Fits 2016-2018 Mercedes-Benz GLE550, front left lower
• Fits 2016-2018 Mercedes-Benz GLE550e, front left lower
• Fits 2016-2017 Mercedes-Benz GLE300d, front left lower
• Fits 2017 Mercedes-Benz GLS350d, front left lower
• Fits 2013-2016 Mercedes-Benz GL350, front left lower
• Fits 2013-2016 Mercedes-Benz GL450, front left lower
• Fits 2013-2016 Mercedes-Benz GL550, front left lower
• Fits 2016 Mercedes-Benz GLE350d, front left lower
• Fits 2013-2015 Mercedes-Benz GL500, front left lower
• Fits 2013-2015 Mercedes-Benz GL63 AMG, front left lower
• Fits 2015 Mercedes-Benz ML250, front left lower
• Fits 2012-2015 Mercedes-Benz ML350, front left lower
• Fits 2015 Mercedes-Benz ML400, front left lower
• Fits 2012-2015 Mercedes-Benz ML500, front left lower
• Fits 2012-2015 Mercedes-Benz ML550, front left lower
• Fits 2012-2015 Mercedes-Benz ML63 AMG, front left lower

Common Repair Symptoms

• Front-end clunking or knocking over bumps
• Uneven tire wear from suspension geometry changes
• Steering wander or reduced directional stability
• Excessive play from worn control arm bushings
• Alignment issues after suspension wear

Installation Notes and Tips

Verify vehicle fitment by year, model, and front left lower position before installation. Mounting hardware is not included, so reuse or replace fasteners as required by the vehicle service procedure. After installation, a professional wheel alignment is recommended to restore suspension geometry and steering response.

Quality Assurance

Dorman manufactures this control arm as a tested replacement component for specific Mercedes-Benz applications. The part is built with aluminum construction, rubber bushings, and a coated finish to match the demands of OE-style suspension service.