Mercedes W221 350 AMG Front Left N/S Suspension Leg Brake Wheel Carrier

Mercedes W221 350 AMG Front Left N/S Suspension Leg Brake Wheel Carrier is a complete solution for the front left suspension corner, designed for W221-generation S-Class models with the 3.0 Diesel engine in the AMG version. The set combines the wheel carrier and the brake caliper, which facilitates maintenance and allows for a consistent, technically correct replacement of components within the suspension and braking system. By maintaining factory geometry, it provides a solid foundation for restoring the vehicle's proper handling and stability.

Specifications and technical data

• SKU: A2213324501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213324501
• Substitutable numbers: A2213324501, A 221 332 45 01, A0044202383, A 004 420 23 83, A2214211612, A 221 421 16 12, A2213322901, A 221 332 29 01, A2214211112, A 221 421 11 12, BG
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The wheel carrier with the caliper is responsible for precise wheel guidance, transferring loads from the suspension to the body, and working in conjunction with the braking system. For S-Class W221 350 AMG 3.0 Diesel models, a correctly selected component is crucial for:

• maintaining proper wheel geometry and driving stability,
• even suspension performance under loads typical for the luxury segment,
• correct positioning of the caliper relative to the brake disc,
• maintaining comfort and predictable vehicle behavior at higher speeds.

The placement on the vehicle is the front left side, which is important when selecting parts in pairs or when performing wheel alignment after repair.

Set completeness and assembly benefits

Combining the wheel carrier with the caliper in one set from the Suspension replacement kits category simplifies the service process and reduces the risk of incompatibility between individual elements. The mechanic receives a coherent module that:

• facilitates fitting to existing control arms, hub, and shock absorber,
• ensures correct positioning of the caliper relative to the disc,
• shortens assembly time compared to selecting individual components,
• minimizes the risk of additional adjustments resulting from design differences.

For the user, this means a more predictable repair result and greater confidence that the suspension and braking systems will work in a manner close to factory specifications.

Technical characteristics and fitment

The element is intended for Mercedes vehicles from the W221 family in the 350 AMG 3.0 Diesel configuration, where precise fitment to the specific body version and chassis is required. The use of the correct wheel carrier with the caliper affects:

• proper cooperation with the factory ABS/ESP system,
• even tire wear due to maintained geometry,
• vehicle stability during braking and emergency maneuvers,
• overall suspension performance during daily operation.

The product has assigned dedicated part numbers and interchangeable numbers, which facilitates compatibility verification with a specific vehicle configuration in service catalogs and parts selection systems.

Condition, quality, and practical application

The offered set comes from the used components segment, which allows for a significant reduction in repair costs compared to new elements, while maintaining functionality suitable for further operation. This type of solution is particularly beneficial for:

• post-accident front axle repairs,
• mechanical damage to the wheel carrier or caliper,
• the need for quick component replacement to restore vehicle mobility,
• servicing intensively used vehicles where the cost/effect ratio matters.

Choosing a used original OEM element is often preferred by workshops specializing in the Mercedes brand due to the preservation of the factory design and predictable performance in operation.

Technical support and additional information

To better understand the differences in suspension performance and to consciously select used components, it is worth reading an article describing the construction and parameters of various suspension configurations: Standard vs. sports suspension – construction differences and selection of used elements. The material helps to assess when the use of used suspension parts is technically justified.

If you are planning a comprehensive repair or upgrade of the front suspension area in your Mercedes and need other elements from the same group, such as control arms, hubs, or shock absorber mounts, check the available parts in the Mercedes suspension replacement kits category.

Additional tips regarding the choice between new and used components are provided in the guide: Car parts – new or used? Comparison of costs and durability, which helps to choose a service strategy tailored to your budget and expectations regarding the vehicle.