Mercedes W177 Wheel Carrier AMG 4matic Rear Left N/S Hub Bearing A1773501900

Mercedes W177 Wheel Carrier AMG 4matic Rear Left N/S Hub Bearing is a specialized suspension component designed for the rear left axle of Mercedes vehicles equipped with the 4Matic drive system. The precise geometry of the wheel carrier ensures stable handling, correct wheel alignment, and predictable vehicle behavior during acceleration, braking, and cornering.

Specifications and technical data

• SKU: A1773501900-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1773501900
• Substitutable numbers: A1773501900, A 177 350 19 00, A1773505700, A 177 350 57 00, A2474230400, A 247 423 04 00
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function of the wheel carrier

The rear left wheel carrier in Mercedes W177 AMG 4Matic models is responsible for the stable connection between the wheel hub and suspension components as well as maintaining proper axle geometry. It is a key component for:

• maintaining correct toe and camber angles,
• even tire wear,
• precise vehicle handling at higher speeds,
• safe transfer of loads from the road surface to the chassis.

In AMG versions with 4Matic drive, the wheel carrier operates in a more demanding environment, which is why its proper selection has a direct impact on traction control and driving stability.

Compatibility and replacement numbers

The presented wheel carrier belongs to the Suspension replacement kits category and is associated with a dedicated OEM part number and a set of interchangeable numbers. This allows for precise matching of the component to a specific body version and drivetrain, as well as easy compatibility verification using catalog numbers in service systems.

The presence of reference numbers allows for seamless identification of the part in technical documentation and facilitates cooperation with workshops specializing in the Mercedes brand, which reduces the risk of installing an incorrect component.

Technical characteristics and installation

The wheel carrier is intended for installation in the rear left area of the vehicle, within a suspension system compatible with the 4Matic drive. The design of the element has been engineered to withstand vertical, lateral, and longitudinal loads resulting from the operation of the suspension and all-wheel drive system.

During the installation of the wheel carrier, it is recommended to:

• check the condition of cooperating suspension elements (control arms, bushings, links),
• use appropriate tightening torques in accordance with service documentation,
• perform a professional wheel alignment after completing the work.

The properly selected weight and stiffness of the wheel carrier influence the suspension's operating characteristics, and thus the comfort and predictability of the car's reactions.

Part condition and service application

The item is offered as a used part, which provides a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. This type of component is particularly useful for:

• post-accident repairs of the rear axle,
• mechanical damage resulting from hitting a curb or obstacle,
• restoring factory suspension geometry after deformation of load-bearing elements.

Using an original wheel carrier from the same part family allows for maintaining the structural integrity of the running gear, which is important for both safety and the durability of other suspension components.

Technical support, suspension, and part selection

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other elements from the same group, such as control arms, bushings, or mounts, check the available parts in the Mercedes suspension replacement kits category.

For a better understanding of how the entire system works and the impact of individual components on vehicle handling, it is worth reading the guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. You will find practical tips on diagnostics and suspension maintenance in various models there.

If you are considering a choice between a new part, a replacement, or a component from the secondary market, the article Original, replacement, or used – which car parts are the most cost-effective? may be helpful, as it discusses the differences in cost-effectiveness, quality, and fitment of elements selected by OEM numbers.