Dorman 520-960 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

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

The Dorman 520-960 suspension control arm and ball joint assembly is engineered for select Mercedes-Benz models, including CLS55 AMG, CLS63 AMG, CLS500, CLS550, E55 AMG, E63 AMG, E320, E350, E500, and E550. Designed to restore precise suspension geometry and improve vehicle handling, this assembly combines a lightweight aluminum control arm with a pre-installed ball joint for reliable performance.

Key Features of Dorman 520-960 Control Arm Assembly

• Pre-greased ball joint for immediate use without additional lubrication
• Includes rubber bushings to reduce vibration and noise
• Aluminum control arm constructed with casting and forging for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with light suspension grade type for smooth ride quality
• Black finish for corrosion resistance and long service life

Detailed Product Description

The Dorman 520-960 suspension control arm and ball joint assembly is specifically designed for Mercedes-Benz vehicles such as the CLS and E-Class AMG and non-AMG models listed in the fitment. The control arm is made from durable aluminum using casting and forging processes, providing a balance of strength and reduced weight. It features a single mounting hole with a diameter of 12.3 mm and measures up to 288.5 mm in width and 237 mm in length, ensuring precise fitment. The assembly comes with rubber bushings that help absorb road shocks and minimize noise, contributing to a smoother driving experience. The ball joint is pre-installed and pre-greased, eliminating the need for immediate maintenance after installation. Its press-in mounting type and threaded stud with a 14 mm thread diameter ensure a secure and reliable connection to the suspension system.

Common Applications and Problem Resolution

• Restores proper suspension alignment and handling on Mercedes-Benz CLS and E-Class models
• Replaces worn or damaged control arms causing uneven tire wear or steering issues
• Eliminates clunking noises from faulty ball joints or bushings
• Improves ride comfort by reducing vibration and harshness
• Addresses suspension component wear from normal driving conditions

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal of old control arm
• Verify compatibility with your specific Mercedes-Benz model and year
• Use included mounting hardware to maintain proper torque specifications
• Check suspension alignment after installation for optimal performance
• Do not attempt to adjust the control arm as it is non-adjustable

Quality Assurance and Warranty

Dorman manufactures the 520-960 control arm and ball joint assembly to meet or exceed OEM standards for fit, form, and function. The assembly is pre-greased and includes all necessary bushings and mounting hardware to facilitate a reliable installation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product durability and performance.