Mercedes W447 114 CDI Front Right O/S Suspension Leg Brake Wheel Hub Caliper

Mercedes W447 114 CDI Front Right O/S Suspension Leg Brake Wheel Hub Caliper is a complete, used front suspension mounting solution for the passenger side, designed for Mercedes vehicles. The set combines guiding and damping elements in one configuration, which facilitates servicing and restoring the correct geometry and stability of the chassis.

Specifications and technical data

• SKU: A4473204538-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4473204538
• Substitutable numbers: A4473204538, A 447 320 45 38, A4473300720, A 447 330 07 20, A4474207700, A 447 420 77 00, A6394210012, A 639 421 00 12
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented component is an assembly responsible for guiding and damping the wheel on the front, right axle of the vehicle. It is responsible for maintaining the correct position of the hub relative to the body, transferring loads from the road surface, and working with the steering and braking systems. Thanks to the factory design dedicated to the W447 platform, the correct suspension geometry is maintained, which translates into predictable vehicle handling, even tire wear, and stability during braking.

Benefits of using a complete assembly

Using a complete assembly of the suspension leg, steering knuckle, and shock absorber in one module reduces the risk of component mismatch and speeds up service work. In practice, this means:

• structural consistency of the guiding and damping elements,
• easier geometry check after installation,
• reduction in the number of potential points for play and unwanted vibrations,
• more predictable vehicle behavior in corners and under load changes.

For the user, this translates into more stable handling, better tire contact with the road surface, and higher precision in response to steering movements.

Compatibility and part identification

The element belongs to the Suspension replacement kits group, which facilitates selection within a single vehicle platform. Identification is based on the OEM part number and available interchangeable numbers, making it possible to match specific engine and equipment versions without the need for replacements with uncertain parameters. In the product description and the specifications section, you will find information allowing you to verify compatibility with your Mercedes, which minimizes the risk of purchasing an incompatible part.

Installation and operational characteristics

The placement on the vehicle is clearly defined as front, right side, which eliminates doubts when planning repairs. The assembly is designed for installation in factory mounting points, maintaining the manufacturer's original design concept. After installation, it is recommended to perform wheel alignment and camber adjustment to fully utilize the potential of the suspension system and avoid premature tire wear.

As a used part, the component comes from a dismantled Mercedes vehicle, which allows for maintaining the original suspension performance characteristics without interfering with the manufacturer's engineering design. This solution is particularly beneficial for users who want to maintain the consistency of handling and ride comfort with the factory assumptions of the W447 model.

Why choose original used suspension components

Choosing an original, used suspension assembly is a reasonable compromise between repair costs and maintaining the vehicle's driving properties. A component designed by the vehicle manufacturer is adapted to the weight, load distribution, and body characteristics, which has a direct impact on safety and the predictability of the car's behavior in emergency situations. Unlike random replacements, the original assembly ensures consistency of operating parameters with other chassis components.

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 struts, control arms, or complete mounting modules, check the available parts in the Mercedes suspension replacement kits category.

Technical support and service knowledge

When planning major chassis repairs, it is also worth considering the condition of other drivetrain and transmission components. For drivers considering repairs within the power transmission system, a guide explaining when it pays to reach for original used components instead of expensive regeneration may be helpful. You can find more on this topic in the article: Manual transmission failures in cars – why is an original used part a more reasonable choice than regeneration?.