Dorman 522-108 Suspension Control Arm and Ball Joint Assembly - Rear Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly for Mercedes-Benz

The Dorman 522-108 suspension control arm and ball joint assembly is engineered for reliable performance in select Mercedes-Benz models. Designed with pre-greased components and durable steel construction, this assembly supports smooth suspension operation and vehicle stability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete installation
• Steel control arm with casting/forged construction for strength
• Press-in ball joint with threaded stud for secure fitment
• Compatible with multiple Mercedes-Benz models including 300SD, 500SEL, and S600

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 522-108) features a light suspension grade type suitable for regular driving conditions. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. The assembly includes one mounting hole with a diameter of 12.3 mm and comes with all necessary mounting hardware. The ball joint is installed and ready to use, featuring a 14 mm threaded stud for secure attachment. Rubber bushings are included to help absorb road vibrations and improve ride quality.

Compatible Mercedes-Benz Models

This Dorman suspension control arm and ball joint assembly is compatible with a range of Mercedes-Benz vehicles, including the 300SD, 300SE, 400SE, 400SEL, 500SEC, 500SEL, 600SEC, 600SEL, CL500, CL600, S320, S350, S420, S500, and S600. Ensure proper fitment by verifying your vehicle model before installation.

Common Suspension Issues Addressed

• Worn or damaged control arms causing poor handling
• Loose or failing ball joints leading to steering instability
• Excessive suspension noise or vibrations
• Uneven tire wear due to suspension misalignment
• Reduced ride comfort from deteriorated bushings

Installation Notes and Tips

The Dorman 522-108 assembly comes pre-greased and includes mounting hardware, simplifying installation. It is designed for press-in ball joint mounting and requires no grease fitting. Professional installation is recommended to ensure proper torque specifications and alignment. Verify that the mounting hole diameter and control arm dimensions match your vehicle’s requirements before proceeding.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and fitment. This control arm and ball joint assembly undergoes quality inspections to ensure reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.