Mercedes W221 350 AMG Front Right O/S Suspension Leg Brake Wheel Carrier

The Mercedes W221 AMG Front Right Knuckle Suspension Strut is a precise suspension component designed for the front axle on the passenger side. It is responsible for stable wheel guidance, correct suspension geometry, and reliable load transfer, which are crucial for safety, driving precision, and predictable vehicle behavior.

Specifications and technical data

• SKU: A2213324601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213324601
• Substitutable numbers: A2213324601, A 221 332 46 01, A0044202483, A 004 420 24 83, A2214211612, A 221 421 16 12, A2213323001, A 221 332 30 01, A2214211112, A 221 421 11 12, BG
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The front right knuckle on Mercedes S-Class W221 models, especially AMG versions, is one of the main load-bearing elements of the suspension. It connects the wheel hub, suspension mounting points, and steering system, ensuring:

• maintenance of proper wheel geometry under dynamic loads,
• stable vehicle handling during braking and acceleration,
• precise interaction with control arms and shock absorbers,
• appropriate transfer of forces from the road surface to the body.

This allows the steering system to maintain predictable characteristics, and the car responds cohesively to steering inputs, which is particularly important in more powerful AMG variants.

Vehicle Placement and Fitment

The presented knuckle is designed for the front, right side of the vehicle. Correct placement on the vehicle is important not only for installation but also for structural reasons – the geometry and mounting points are optimized for a specific side, allowing for the preservation of factory handling parameters.

This part belongs to the Suspension Replacement Kits category, which facilitates selection during comprehensive repair or upgrade of the running gear. In practice, this means the possibility of coordinated replacement of several suspension sub-assemblies in a single service process, while maintaining structural consistency.

Product Characteristics and Application

The front right knuckle for the Mercedes W221 AMG has been designed as a component meeting premium segment requirements. The construction is adapted to the higher loads found in higher-powered versions, which translates to:

• appropriate stiffness in the suspension and steering system mounting areas,
• stable maintenance of wheel camber and toe angles,
• proper interaction with factory AMG components.

The product is offered in Used condition, allowing for economical replacement of the part while maintaining the original structural specification. For many users, this is a sensible compromise between repair cost and preserving factory technical solutions.

Benefits of Using an Original Knuckle

Using a knuckle dedicated to the Mercedes W221 AMG allows for maintaining the consistency of the entire suspension system. The most important benefits include:

• Factory Fitment – compatibility with the body and suspension structure, without the need for modifications.
• Predictable Vehicle Behavior – maintaining the handling characteristics designed by the manufacturer.
• Accurate Geometry Adjustment Capability – after installation, parameters can be set according to service data.
• Consistency with Other Running Gear Components – proper interaction with control arms, shock absorbers, and the steering system.

Selection, Reference Numbers, and Technical Support

The knuckle has a dedicated OEM part number and associated replacement numbers, which facilitates unambiguous identification in catalogs and service systems. When selecting, it is advisable to use the manufacturer's designations to ensure compatibility with the specific body and suspension version.

If you are planning a more extensive running gear service for your Mercedes S-Class and wish to select other related components such as control arms, mounts, or additional mounting hardware, check the available parts in the Mercedes Suspension Replacement Kits category.

To better understand the differences between standard and sports suspension and to make informed purchasing decisions for used components like knuckles, shock absorbers, or control arms, it is worth reading the article: Standard vs. Sports Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?.