Mercedes X253 W213 C253 Suspension Leg Wheel Hub Rear Left N/S A2133503105

Mercedes X253 W213 C253 Suspension Leg Wheel Hub Rear Left N/S is an original chassis component from the Suspension replacement kits group, designed for installation on the rear left axle of Mercedes vehicles. It is a precision-engineered component that ensures proper wheel guidance, body stability, and correct interaction with other suspension and braking system elements.

Specifications and technical data

• SKU: A2133503105-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2133503105
• Substitutable numbers: A2133503105, A 213 350 31 05, A2133504600, A 213 350 46 00, A0004237100, A 000 423 71 00, A0004231812, A 000 423 18 12, BG, A 213 350 01 41, A2133500141, A2133572500, A 213 357 25 00
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The steering knuckle with the rear left wheel hub is responsible for stable wheel seating, transferring loads from the road surface to the suspension, and maintaining proper axle geometry. The vehicle placement defined as rear – left side allows for precise matching of the component to the specific position in the car, which is crucial for safety and proper handling. The element works in conjunction with control arms, the shock absorber, the wheel bearing, and the braking system, forming a cohesive assembly responsible for:

• maintaining specified wheel camber and toe angles,
• stable vehicle handling in corners,
• even distribution of braking and acceleration forces,
• reducing vibrations transmitted to the body.

Compatibility and replacement numbers

The steering knuckle with the hub belongs to the Mercedes OEM parts group, which facilitates selection based on the specific body and engine version. The presence of a dedicated part number and associated interchangeable numbers allows for precise identification of the component in manufacturer catalogs and service systems, thereby minimizing the risk of purchasing an incorrect part. Thanks to an extensive list of reference numbers, the part can replace several factory variants, which is particularly useful when repairing vehicles from different model years or equipment versions within the same platform.

Assembly and operational characteristics

The steering knuckle with the rear left wheel hub is structurally prepared to work with factory mounting points in the Mercedes suspension. Properly shaped sockets and mounting surfaces allow for the correct seating of control arms, the shock absorber, and braking system components, which facilitates the mechanic's work and reduces replacement time. Used condition means that the part comes from dismantling but retains the functionality required for further operation after proper installation and potential workshop inspection. This is a reasonable solution for users who want to restore correct suspension geometry and handling stability while optimizing repair costs.

Application in service practice

Replacing the steering knuckle with the rear left wheel hub is recommended in case of mechanical damage (e.g., after a collision, hitting a curb), excessive play within the mounts, or geometry alignment issues that cannot be corrected by adjustment. Using an original element from the Suspension replacement kits group allows for restoring factory vehicle handling parameters and even tire wear. Before installation, it is worth verifying the condition of cooperating components (control arms, bushings, shock absorber, brake elements) to avoid the need for re-intervention in the same suspension area in the near future.

Repair expansion and selection of used parts

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your Mercedes and need other elements from the same group, such as additional steering knuckles, hubs, or complete mounting modules, check the available parts in the Mercedes suspension replacement kits category. When selecting used suspension parts, it is worth paying attention to structural differences between standard and sports versions and the impact of these differences on comfort and handling precision. A detailed discussion of this issue, along with practical examples and answers to the most frequently asked questions, can be found in the article "Standard vs. sports suspension – construction differences and is it worth buying used suspension parts?". To maximize the potential of the used steering knuckle with the hub and extend its trouble-free operation, it is worth following proper installation procedures, regularly checking the condition of cooperating elements, and ensuring proper maintenance. Practical tips on the care and protection of dismantled parts can be found in the guide "How to extend the service life of used car parts?".