Mercedes C118 H243 Wheel Hub Front Left N/S Bearing Suspension Mount A2473320100

Mercedes C118 H243 Wheel Hub Front Left N/S Bearing Suspension Mount is an original chassis component from the Wheel bearings, hubs and bushings group, designed for installation on the front left side of the vehicle. Thanks to its factory geometry and design compliant with manufacturer standards, it ensures stable handling, precise wheel alignment, and proper integration with the suspension and braking systems. This is a solution for users seeking parts of proven quality that maintain the factory specifications of the Mercedes vehicle.

Specifications and technical data

• SKU: A2473320100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473320100
• Substitutable numbers: A2473320100, A 247 332 01 00, A2474214500, A 247 421 45 00, A2474212012, A 247 421 20 12
• Location on the vehicle: Front, Left
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the chassis system

The steering knuckle with hub for the front left side is responsible for a rigid yet precise connection of suspension, brake, and wheel components. In practice, this means:

• maintaining proper wheel geometry during driving and braking,
• stable seating of the hub and bearing,
• secure mounting of suspension and steering system components,
• correct transfer of loads from the wheel to the body.

As a result, the vehicle maintains predictable road behavior, and the steering system responds consistently with the manufacturer's design. A correctly selected steering knuckle with hub is crucial for post-collision repairs, replacing damaged suspension components, or eliminating wheel alignment issues.

Original Mercedes component – fitment and compatibility

The product comes from the Mercedes brand, which ensures the maintenance of factory mounting parameters and full compatibility with the front axle design of the specific body model. The original steering knuckle with hub:

• provides correct mounting points for the shock absorber, control arms, and steering components,
• maintains the proper position of the hub relative to the brake caliper,
• minimizes the risk of fitment issues with the brake disc and wheel.

An additional advantage is the presence of dedicated part numbers and interchangeable numbers, which facilitates compatibility verification with a specific vehicle version in service catalogs and parts selection systems.

Characteristics of the used component

The steering knuckle with hub is offered as a used part, allowing for an economical repair while maintaining the original design. Such components typically come from the dismantling of vehicles where the chassis system was not damaged in the front axle area. In practice, this means the possibility of obtaining a factory component at a more favorable price than a new replacement, while maintaining proper fitment.

Before installation, it is recommended to perform a standard inspection of the condition of mounting surfaces, bolt sockets, and any sensor mounting points to ensure trouble-free installation and proper operation of the entire system.

Benefits of using the front left steering knuckle with hub

Using a complete steering knuckle with hub for the front left side of the vehicle provides a number of practical service benefits:

• reduced repair time due to replacing the entire assembly instead of individual components,
• preservation of factory geometry and mounting points,
• reduced risk of incorrect wheel positioning relative to the wheel arch and brake caliper,
• easier inspection of the component's condition on a lift before installation.

For workshops and users, this means a more predictable repair outcome and a lower risk of needing further intervention in the chassis system after a short period of operation.

Part selection and additional information

When selecting a steering knuckle with hub for a Mercedes, it is worth paying attention to manufacturer markings, reference numbers, and placement on the vehicle. In this case, we are dealing with a component intended for the front, left side, which is crucial for proper compatibility with the suspension and steering system of a specific body version.

If you are planning a comprehensive repair or upgrade of the chassis area in your Mercedes and need other elements from the same group, such as hubs, bearings, or bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category.

In the case of used components, many drivers have doubts regarding durability and safety. To better understand how to properly assess the condition of such elements and when their use is technically justified, it is worth reading the article Used car parts: Myths and facts you need to know, which clarifies the most common concerns related to salvaged parts.