Dorman 522-959 Suspension Control Arm and Ball Joint Assembly - Rear Left Lower Center or Rear Right Lower Center

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 522-959 suspension control arm and ball joint assembly is designed for select Mercedes-Benz models, including the C32 AMG, CLK55 AMG, and SLK350. This assembly combines a durable steel control arm with a pre-installed ball joint to ensure reliable suspension performance and handling.

• Pre-greased ball joint for immediate use
• Includes rubber bushings for vibration dampening
• Machined ball joint mounting for precise fit
• Threaded ball joint stud with 14 mm diameter
• Steel control arm with black finish for corrosion resistance
• One mounting hole with 12.3 mm diameter
• Mounting hardware included for straightforward installation
• Light suspension grade type suitable for regular driving conditions

Detailed Product Description

The Dorman 522-959 suspension control arm and ball joint assembly is engineered from forged and cast steel, providing strength and durability required for maintaining proper wheel alignment and suspension geometry. The control arm measures up to 288.5 mm in width and 237 mm in length, designed specifically to fit a range of Mercedes-Benz vehicles such as the C200, C350, CLK280, and SLK300. The assembly comes pre-greased, eliminating the need for immediate maintenance after installation. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is machined for a precise fit and features a threaded stud for secure mounting. This assembly is not adjustable but is designed to meet regular suspension grade requirements for light-duty use.

Compatible Mercedes-Benz Models

• Mercedes-Benz C32 AMG, C55 AMG, C200, C230, C240, C280, C320, C350
• Mercedes-Benz CLK55 AMG, CLK63 AMG, CLK280, CLK320, CLK350, CLK500, CLK550
• Mercedes-Benz SLK55 AMG, SLK200, SLK280, SLK300, SLK350

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Loose or failing ball joints leading to steering instability
• Uneven tire wear due to misaligned suspension components
• Excessive vibration or noise from suspension wear
• Corrosion or fatigue in original control arm components

Installation Notes and Tips

Before installation, verify compatibility with your specific Mercedes-Benz model and year. The assembly includes mounting hardware and is pre-greased, simplifying the installation process. Use proper torque specifications for the 12.3 mm mounting hole and 14 mm ball joint stud to ensure secure fitment. Since the control arm is not adjustable, alignment should be checked and corrected after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-959 assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in materials and workmanship.