Dorman 521-502 Suspension Control Arm - Rear Right Upper Rearward

Durable Aluminum Suspension Control Arm for Mercedes-Benz

The Dorman 521-502 suspension control arm is engineered to provide reliable performance for various Mercedes-Benz models. Designed with a coated aluminum construction and rubber bushings, this control arm offers a balance of strength and flexibility for your vehicle's suspension system.

• Constructed from durable aluminum with a coated finish for corrosion resistance
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting type (ball joint not included)
• Compatible with multiple Mercedes-Benz models including CLS55 AMG, CLS63 AMG, E63 AMG, SL500, and more

Product Details and Specifications

This suspension control arm features a casting and forged aluminum construction that ensures structural integrity while reducing weight. The black coated finish helps protect against rust and wear over time. It comes equipped with a single rubber bushing designed to absorb vibrations and provide smooth suspension articulation. The bushing measures 92 mm in length, supporting stable linkage and control. The ball joint mounting is welded, requiring a separate ball joint installation. The control arm measures 262.5 mm in overall length, matching factory specifications for a direct replacement on compatible Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models

This Dorman suspension control arm (part number 521-502) is compatible with a range of Mercedes-Benz models, including:

• CLS55 AMG, CLS63 AMG, CLS350, CLS500, CLS550
• E63 AMG, E320, E350, E500, E550
• SL500, SL550

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Corroded or weakened control arm structure affecting suspension stability
• Loose or misaligned suspension components leading to uneven tire wear
• Vibration and harshness due to deteriorated suspension linkage
• Replacement of factory control arm for maintenance or repair

Installation Notes and Tips

When installing the Dorman 521-502 control arm, ensure the ball joint is sourced separately as it is not included. The welded ball joint mounting requires a compatible ball joint with a pinch bolt stud type. Verify the bushing orientation and press-in end type for proper fitment. Professional installation is recommended to maintain suspension alignment and vehicle safety.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-502 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.