Mercedes-Benz A-Class W168 A160 Front Right O/S Suspension Brake Wheel Hub

Mercedes-Benz A-Class W168 A160 Front Right O/S Suspension Brake Wheel Hub is a precision-engineered suspension component designed for the front axle on the right side of the A-Class model. Thanks to its factory-spec geometry and perfect fit for the Mercedes suspension design, it ensures stable handling, secure hub mounting, and proper integration with other system components. This is the ideal solution for users who expect consistency with the original suspension design and wish to maintain the vehicle's predictable road behavior.

Specifications and technical data

• SKU: A1683301720
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1683301720
• Substitutable numbers: A1683301720, A 168 330 17 20, A1683370345, A 168 337 03 45, A1684200383, A 168 420 03 83, A1684210812, A 168 421 08 12
• Location on the vehicle: Front, Right
• Offset (ET):
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The steering knuckle with hub for the front right side of the Mercedes A-Class W168 series is responsible for the rigid connection between suspension components and the steering system, as well as for the correct seating of the wheel. It is a key link between the control arms, shock absorber, braking system, and the wheel, which is why its condition has a direct impact on:

• maintaining proper front wheel geometry,
• driving stability during acceleration and braking,
• even tire wear,
• precision of steering response.

The vehicle placement defined as front – right side allows for the precise selection of the part for a specific mounting point, which minimizes the risk of ordering errors and speeds up service work.

Compatibility and mounting parameters

The steering knuckle has been designed specifically for the Mercedes A-Class W168 suspension structure, ensuring it maintains the correct mounting points for the shock absorber, control arms, hub, and braking system components. A properly selected offset (ET) within the entire wheel mounting assembly allows for maintaining the factory position of the rim relative to the wheel arch, which is essential both for handling and for avoiding collisions with suspension elements.

The presence of a dedicated OEM part number and associated interchangeable numbers (visible in the technical specifications) facilitates verification of compatibility with a specific vehicle version and allows for the safe use of this steering knuckle as a replacement within the configurations provided by the manufacturer.

Application in suspension replacement kits

The product belongs to the Suspension replacement kits category, making it a perfect fit for comprehensive work on the chassis – especially when, in addition to the steering knuckle, other elements such as control arms, shock absorbers, or stabilizer links are also being replaced. Replacing the steering knuckle with the hub on the front right axle is particularly recommended after:

• mechanical damage resulting from a collision or hitting an obstacle,
• detecting deformations affecting wheel alignment and camber,
• excessive wear of cooperating mounting elements.

By maintaining the original Mercedes design concept, such a replacement helps restore predictable vehicle behavior, reduce vibrations, and improve driving comfort.

Characteristics of the used component

The steering knuckle with hub is offered in a used condition, meaning it has been dismantled and previously operated in a vehicle. This type of part is an attractive solution for drivers looking for a technically matched component at a more favorable price compared to brand-new parts. Before installation, a standard inspection of mounting surfaces, bearing seats, and connection points is recommended to ensure proper cooperation with other suspension parts.

Selecting a steering knuckle with a hub that complies with the manufacturer's markings helps avoid geometry issues and reduces the risk of premature wear of tires and steering system components.

Technical support and additional materials

To better understand the relationships between the steering knuckle, shock absorbers, control arms, and stabilizers, and the impact of these elements on driving safety, it is worth checking out our guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. The article helps assess when replacing a single element is sufficient and when it is worth considering a wider range of service work.

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 steering knuckles, hubs, or complete wheel mounting modules, check out the available parts in the Mercedes suspension replacement kits category.