Mercedes W169 W245 Front Left N/S Suspension Wheel Carrier Hub Knuckle

Mercedes W169 W245 Front Left N/S Suspension Wheel Carrier Hub Knuckle is an original chassis component designed for the front axle on the driver's side. Thanks to its factory-spec geometry and perfect fit for the specific design of A-Class and B-Class models, it ensures stable handling, precise wheel alignment maintenance, and proper integration with other suspension components. This is the ideal solution for users looking for a proven, structurally compliant part rather than universal aftermarket replacements.

Specifications and technical data

• SKU: A1693300720-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1693300720
• Substitutable numbers: A1693300720, A 169 330 07 20, A1693300520, A 169 330 05 20
• Location on the vehicle: Front, Left
• Category: Wheel Bearings, Hubs & Seals

Function and role of the steering knuckle with hub in the suspension

The steering knuckle integrated with the hub in the front suspension is responsible for transferring loads from the wheel to the rest of the chassis and maintaining the correct wheel position relative to the body. In the case of Mercedes W169 and W245 models, this component works with the shock absorber strut, control arm, and steering system, creating a rigid yet appropriately flexible wheel guidance system.

A precisely manufactured hub allows for the correct seating of the bearing and brake disc, which directly impacts even tire wear, stability during braking, and vehicle behavior at higher speeds. The vehicle placement in the front – left side area means the component is dedicated to a specific mounting position, which eliminates the risk of suspension geometry issues.

Compatibility and mounting parameters

The offered steering knuckle with hub was designed specifically for the front suspension architecture of the Mercedes A-Class and B-Class W169/W245 generations. This ensures the retention of factory mounting points for the shock absorber, control arm, tie rod end, and brake caliper. Such a solution facilitates installation and allows for the use of standard service procedures without the need for modifications.

The component belongs to the Wheel bearings, hubs, and bushings group, which highlights its importance in the area of load transfer and wheel guidance. A correctly selected steering knuckle with hub reduces the risk of vibrations, play, and unwanted noises from the suspension area, and also facilitates subsequent geometry adjustment after the repair is completed.

Characteristics of the used part

The presented item is a used part, sourced from a dismantled Mercedes vehicle. Such components are frequently chosen by professional workshops because they allow for the preservation of the original chassis design while optimizing repair costs. In the case of steering knuckles and hubs, it is particularly important to maintain factory geometry and appropriate material quality, which is standard in original parts.

Before installation, a standard inspection of mounting surfaces, bearing seats, and connection points is recommended, as well as verification of the condition of cooperating suspension elements. This approach allows for trouble-free operation and a longer service life of the entire system.

Application in service practice

The steering knuckle with hub on the front left side is most often replaced after mechanical damage (e.g., hitting a curb, collision) or due to excessive wear of cooperating elements. Replacing it with an original component dedicated to Mercedes allows for restoring proper suspension operation, reducing vehicle pulling to the side, and improving ride comfort.

In service practice, installing such a component:

• facilitates wheel alignment after repair,
• ensures the correct position of the hub relative to the brake caliper,
• minimizes the risk of improper wheel bearing seating,
• allows for maintaining the structural integrity of the entire front suspension.

Related suspension components and offer for the Mercedes brand

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

When choosing components from the secondary market, it is worth knowing reliable information about their durability and safety. To better understand the specifics of such solutions and clear up common doubts, read the article Used car parts: Myths and facts you need to know, which discusses key aspects of using second-hand parts in an accessible way.