Mercedes W177 W247 Wheel Carrier Hub Knuckle Rear Right O/S A2473509200

Mercedes W177 W247 Wheel Carrier Hub Knuckle Rear Right O/S is an original chassis component designed for the rear axle on the right side. As part of the Suspension replacement kits group, it ensures precise wheel guidance, body stability, and correct suspension geometry in Mercedes vehicles. This used OEM component is a sensible choice for professional repairs or restoring the vehicle's factory driving characteristics.

Specifications and technical data

• SKU: A2473509200-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473509200
• Substitutable numbers: A2473509200, A 247 350 92 00
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The rear right steering knuckle is responsible for the stable connection between the wheel hub and the suspension and braking system components. In Mercedes compact class models, its proper condition has a direct impact on:

• maintaining the specified rear axle wheel geometry,
• even tire wear and predictable vehicle handling,
• rigid, controlled mounting of the hub and wheel bearing,
• cooperation with control arms and other multi-link suspension components.

The vehicle placement specified as rear – right side allows for unambiguous selection of the part for a specific mounting position, which minimizes the risk of ordering errors.

Benefits of using an original steering knuckle

Using an original suspension component in a Mercedes translates into a number of practical advantages in daily operation:

• Factory compatibility – maintaining the correct spacing of mounting points, which facilitates the adjustment of toe and camber angles.
• Stable rear axle handling – correct transfer of loads from the wheel to the body, especially important during dynamic driving and when the car is fully loaded.
• Seamless integration with the braking system – proper positioning of the disc, caliper, and sensors, which promotes even brake operation.
• Repair cost savings – a used OEM component allows for restoring driving parameters without the need to invest in expensive new subassemblies.

Used condition and assembly aspects

The steering knuckle comes from disassembly, making it a cost-effective solution for accident repairs or when replacing worn suspension elements. Before installation, standard workshop verification is recommended, including inspection of mounting surfaces, bolt sockets, and contact points with other components.

After installing the steering knuckle on the rear right side, it is necessary to perform a professional wheel alignment. This allows for fully utilizing the potential of the Mercedes suspension design and ensures predictable vehicle handling across the entire speed range.

Application in service and suspension tuning

This element will work well both in standard repairs and in suspension modifications, where maintaining correct control arm and shock absorber mounting points is crucial. Replacing the steering knuckle is particularly recommended after mechanical damage, structural corrosion, or the detection of deformations affecting geometry.

For those interested in the wider use of used subassemblies in German cars, including tuning and repairs, we recommend the article on our blog: Audi on second-hand parts – tuning and repairs without loss of quality, which shows how to reasonably combine savings with maintaining high quality.

Expanding Mercedes suspension repair

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, mounts, or additional chassis components, check the available parts in the Mercedes suspension replacement kits category.

To better plan service work and your car's operating budget, it is also worth familiarizing yourself with practical tips regarding the most frequently replaced subassemblies, described in the guide: TOP 10 most frequently replaced parts in your car.