Mercedes R172 SLK 200 Front Left N/S Sports Suspension Leg Wheel Hub Brake Disc

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R172 SLK 200 Front Left N/S Sports Suspension Leg Wheel Hub Brake Disc is an original chassis component designed for the front axle on the driver's side. Thanks to its factory geometry and sports characteristics, it maintains steering precision, driving stability, and proper interaction with other suspension components. This is a solution for users who want to restore the full functionality of the front suspension in their Mercedes while maintaining compliance with factory design specifications.

Specifications and technical data

• SKU: A1723200630-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1723200630
• Substitutable numbers: A1723200630, A 172 320 06 30, A2043320101, A 204 332 01 01, A2074210081, A 207 421 00 81, A0004211612, A 000 421 16 12
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented steering knuckle leg is responsible for guiding the front wheel on the left side and maintaining the correct suspension geometry in the Mercedes SLK-Class R172 200 generation in the sports version. This element is a key link between the suspension strut, wheel hub, and steering system, directly influencing:

• vehicle stability while driving straight,
• precision of steering response,
• even tire wear,
• safe transfer of loads from the road surface to the body.

By maintaining factory mounting points, the steering knuckle leg allows for correct alignment of toe and camber angles, which is particularly important in versions with sports handling characteristics.

Benefits of using an original component

Using an original steering knuckle leg in the sports variant of the SLK R172 200 allows for maintaining the consistency of the entire chassis. Compared to aftermarket replacements, the factory component ensures:

• precise fit to the body structure and other suspension elements,
• proper cooperation with the braking and steering systems,
• preservation of the manufacturer-intended handling characteristics in sports mode.

For users who value confident, predictable vehicle behavior and the driving comfort typical of the Mercedes brand, choosing an original suspension component is a technically justified solution.

Vehicle placement and installation aspects

The steering knuckle leg is intended for installation on the front axle on the left side. Such placement requires following the appropriate sequence of service work, including removing the wheel, disconnecting suspension mounting elements, and the braking system. Proper installation of this component has a direct impact on:

• the absence of play in the chassis,
• correct operation of stability control systems,
• maintaining the comfort and steering precision characteristic of the sports version.

It is recommended to perform a wheel alignment after any intervention in the steering knuckle area to fully utilize the potential of the suspension design in this model.

Characteristics as an element of the Suspension Replacement Kits category

As a part belonging to Suspension Replacement Kits, the described steering knuckle leg fits perfectly into comprehensive service work covering the front axle. Replacing this element is often combined with checking or replacing other components, such as control arms, stabilizer links, or shock absorbers, which allows for restoring the consistency of the entire system's operation.

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 shock absorbers, control arms, or stabilizers, check the available parts in the Mercedes Suspension Replacement Kits category.

Why choose a used original component

In the case of premium models such as the Mercedes SLK R172 200, using a used, original suspension component allows you to combine reasonable costs with the preservation of factory build quality. This is a particularly beneficial solution for post-collision repairs or restoring full efficiency of the chassis in dynamically operated cars.

If you want to better understand the advantages of using original dismantled parts in cars of this brand, it is worth reading the article Used parts for Mercedes – original components from dismantling, which discusses the practical aspects of selecting such elements.

To compare costs and parameters between new and used suspension components, you can also use the advice contained in the material New or used? A comparison of costs and quality of car parts, which will facilitate making an informed service decision.