Mercedes W176 A45 4Matic Supension Leg Rear Left N/S Wheel Carrier Brake Disc

Mercedes W176 A45 4Matic Supension Leg Rear Left N/S Wheel Carrier Brake Disc is a complete suspension component from the Wheel bearings, hubs and bushings category, designed for installation on the rear axle on the driver's side. This solution allows for the efficient replacement of a worn wheel carrier assembly, restoring proper geometry, handling stability, and correct operation of the braking system.

Specifications and technical data

• SKU: A1763500500-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1763500500
• Substitutable numbers: A1763500500, A 176 350 05 00, A2463505502, A 246 350 55 02, A1764230181, A 176 423 01 81, A1724230112, A 172 423 01 12
• Location on the vehicle: Rear, Left
• Part type: Wheel Bearing
• Category: Wheel Bearings, Hubs & Seals

Purpose and function in the suspension

The described rear suspension assembly combines the functions of a steering knuckle, hub, and brake disc carrier, ensuring rigid and precise wheel mounting on the left side of the rear axle. This component is responsible for:

• maintaining the correct position of the wheel relative to the body and control arms,
• stable transfer of vertical and lateral loads,
• proper guidance of the hub and bearing along the wheel rotation axis,
• precise positioning of the brake disc relative to the caliper. Thanks to this, the Mercedes W176 A45 4Matic chassis maintains predictable behavior in corners, and the braking system operates under stable geometric conditions.

Assembly construction and benefits of installation

The complete Mercedes W176 A45 4Matic Supension Leg Rear Left N/S Wheel Carrier Brake Disc assembly simplifies the service process – instead of disassembling several separate components, the mechanic installs one cohesive module. This translates into:

• reduced labor time when replacing suspension and braking system components,
• reduced risk of installation errors resulting from incorrect assembly of multiple parts,
• easier inspection of wheel play and lateral runout after installation,
• more predictable vehicle behavior after repair. In the case of the A45 4Matic version, maintaining appropriate stiffness and precision of the rear axle is particularly important, which is why using a complete assembly has a direct impact on stability at higher speeds and the repeatability of the car's behavior in dynamic driving modes.

Vehicle placement and compatibility

The element is intended for installation on the rear axle on the left side, in the wheel and brake carrier zone. Proper placement on the vehicle is crucial for maintaining factory suspension geometry and correct interaction with the 4Matic system. Using an original Mercedes component allows you to maintain:

• compatibility with factory mounting points for control arms and shock absorbers,
• correct hub position relative to sensors and braking system components,
• consistency with other rear suspension elements in the A45 version.

Characteristics of the used component

The offered assembly comes from the secondary market, which allows for an economical repair while maintaining the original Mercedes design. A used element of this class is a good choice in situations where:

• a quick replacement of a damaged steering knuckle or hub is necessary after a collision or impact with an obstacle,
• disturbing play or noise appears in the area of the rear left wheel,
• it is important to maintain the original suspension specification without resorting to aftermarket replacements. By choosing an original suspension assembly from this group, you gain a component designed specifically for the Mercedes W176 A45 4Matic, which facilitates installation and limits the need for additional modifications.

Service expansion and additional resources

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 hubs, bearings, or bushings, check the available parts in the Mercedes wheel bearings, hubs and bushings category. If you are considering broader vehicle equipment modifications and want to better utilize the potential of dismantled parts, it is worth checking out the guide on professional vehicle retrofitting – you will find practical tips in the article on retrofitting and using used components from higher equipment versions.