Mercedes W447 Front Left N/S Suspension Leg Brake Disc Caliper Wheel Hub

Mercedes W447 Front Left N/S Suspension Leg Brake Disc Caliper Wheel Hub is a complete, used assembly designed for the front axle on the driver's side. By combining the suspension strut, braking system, and wheel hub into a single module, the product allows for a consistent, technically correct replacement of the entire suspension corner, which facilitates service and reduces vehicle downtime.

Specifications and technical data

• SKU: A4473202700
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4473202700
• Substitutable numbers: A4473202700, A 447 320 27 00, A4473300620, A 447 330 06 20, A4474207600, A 447 420 76 00, A6394210012, A 639 421 00 12, BG
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Application and vehicle function

The set, including the suspension strut, brake disc, caliper, and wheel hub, is responsible for transferring loads from the body to the wheel, steering the vehicle, and effective braking. The set operates on the front, left side of the vehicle, ensuring proper geometry, stability while driving, and correct interaction with the steering system.

A module configured in this way is particularly useful for post-collision repairs, replacing worn suspension components, or restoring full functionality of the running gear in Mercedes W447 models, where maintaining factory mounting points and operating characteristics is crucial.

Set construction and installation benefits

The set belongs to the Suspension replacement kits group, which means it combines several cooperating components into one product. In practice, this translates into:

• easier identification of the correct configuration for a specific body version,
• reduced risk of incompatibility between separately selected parts,
• consistent behavior of the suspension and brakes after installation.

The presence of the wheel hub along with the braking components allows for maintaining axial alignment and uniform operation of the system, which is important for driving comfort, braking efficiency, and even tire wear.

Condition, origin, and fitment

The offered item is an original Mercedes component from dismantling, which in practice means maintaining factory geometry, mounting points, and compatibility with the vehicle's factory safety systems. The used nature of the part allows for an economical repair while maintaining a high level of fitment for the specific model.

Thanks to the completeness of the front left suspension corner, the mechanic has the ability to replace the entire assembly in one service process, which limits the need for additional adjustments and speeds up returning the vehicle to the road.

Practical installation and operational tips

Before installation, it is recommended to perform a standard verification of the working condition of the elements, inspect the mating surfaces, and check the correct operation of the moving parts of the braking system. After installing the complete suspension module, it is necessary to perform a wheel alignment to fully utilize the potential of the set and ensure even vehicle handling.

To maximize the potential of used components, it is worth familiarizing yourself with practical tips regarding maintenance and operation – detailed information can be found in the article How to extend the life of used car parts?.

Expanding repairs within the Mercedes suspension

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