Dorman 524-559 Suspension Control Arm - Front Left Lower

Durable Suspension Control Arm for Mercedes-Benz Models

The Dorman 524-559 suspension control arm is engineered to provide reliable performance for various Mercedes-Benz SUVs. Designed with quality steel construction and a coated finish, this control arm ensures durability and resistance to corrosion for long-lasting use.

• Constructed from stamped steel with a protective black coating
• Includes a rubber bushing with a black color and precise dimensions for optimal fit
• Overall length of 262.5 mm for accurate replacement
• Features a welded ball joint mounting type with a threaded stud (ball joint not included)
• Compatible with multiple Mercedes-Benz GL and ML series models

Detailed Product Features and Specifications

This suspension control arm by Dorman is built from stamped steel, providing strength and rigidity necessary for suspension components. The black coated finish helps prevent rust and wear from road conditions. It includes a single rubber bushing with an inside diameter of 14.3 mm, an outside diameter of 39.6 mm, and a length of 92 mm, designed to absorb vibrations and reduce noise. The ball joint mounting type is welded, and the stud is threaded, allowing for secure attachment (note that the ball joint itself is not included). The control arm measures 262.5 mm in overall length and features a press-in type on the second end, ensuring proper fitment and function.

Compatible Mercedes-Benz Models

This Dorman suspension control arm 524-559 is compatible with the following Mercedes-Benz vehicles:

• GL320, GL350, GL450, GL550
• ML320, ML350, ML450, ML500, ML550

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Excessive suspension noise or vibration
• Misalignment or uneven tire wear due to faulty control arms
• Reduced handling performance in Mercedes-Benz GL and ML series SUVs
• Corrosion or structural damage to original control arm components

Installation Notes and Tips

When installing the Dorman 524-559 suspension control arm, ensure the vehicle is securely lifted and supported. Since the ball joint is not included, inspect the existing ball joint for wear and replace if necessary. The control arm features a press-in end and a welded ball joint mounting point, so proper tools and techniques are required for removal and installation. Verify bushing alignment and torque specifications according to the vehicle manufacturer’s guidelines for optimal performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards, using quality materials such as stamped steel and durable rubber bushings. While specific warranty details are not provided, Dorman products typically undergo rigorous testing to ensure reliability and fitment for Mercedes-Benz GL and ML series vehicles.