Mercedes W447 Coil Spring Rear Axle Suspension Left Right Set A4473240204

Mercedes W447 Rear Axle Springs Suspension Left Right Set is an original set of spring elements designed for the rear axle of Mercedes vehicles. The set includes springs mounted on the left and right sides, allowing for a consistent, technically correct replacement of both suspension sides and restoring stable driving characteristics.

Specifications and technical data

• SKU: A4473240204
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4473240204
• Substitutable numbers: A4473240204, A 447 324 02 04
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and Function in Rear Axle Suspension

The presented rear axle spring set is designed to operate in the Rear, Right, Left area, ensuring even support of the vehicle body on both sides. Appropriately selected spring characteristics help maintain correct suspension geometry, which translates to predictable handling, effective load transfer, and proper cooperation with shock absorbers and other chassis components.

As an element from the Leaf and Coil Springs group, the set is responsible for maintaining the set height of the rear of the vehicle body, stabilizing the vehicle when carrying loads, and reducing overloads transferred to the chassis. Replacing both springs simultaneously helps limit differences in deflection between the sides, which is important for safety and even tire wear.

Set Construction and Fit for Mercedes W447

The set includes two springs intended for mounting on the left and right sides of the rear axle, which simplifies servicing and eliminates the risk of accidentally using incompatible parts. The construction based on the vehicle manufacturer's standards ensures proper fit into the mounting points in the body and on the control arms, without the need for modifications to other components.

Original origin from the Mercedes brand means maintaining factory suspension operating parameters, such as deflection characteristics, cooperation with standard shock absorbers, and correct operation of stability control systems. This makes the set suitable for both standard operation and more intensive use of the vehicle in urban conditions or on longer journeys.

Condition, Service Application, and Benefits of Installation

The parts are offered in used condition, which is a cost-effective solution for economical suspension repair when maintaining original specifications while limiting costs is a priority. Choosing such a set is particularly justified in situations where one of the springs has been mechanically damaged or uneven settling of the rear of the vehicle is noticeable.

The main benefits of installing this set include:

• restoring the even height of the vehicle's rear axle,
• improving stability during braking and cornering,
• more predictable vehicle behavior under variable load in the trunk or cargo area,
• reducing excessive load on other suspension components.

Practical Workshop Application and Part Selection

The rear axle spring set is suitable for both professional dealerships and independent workshops performing repairs on Mercedes vehicles. Using one consistent set for the left and right sides simplifies the parts selection process, reduces the risk of errors, and speeds up vehicle servicing.

In workshop practice, replacing springs in pairs is recommended to avoid differences in suspension performance between the sides of the vehicle. This provides the driver with more predictable vehicle behavior, and the chassis operates in conditions close to factory settings. For easier identification, the product has assigned markings that can be verified with vehicle documentation or manufacturer catalogs.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your Mercedes and need other parts from the same group, such as additional leaf springs, helper springs, or spring elements, check the available parts in the Mercedes Leaf and Coil Springs category.

For a better understanding of how different vehicle systems affect component durability, it is worth familiarizing yourself with practical tips on operation and diagnostics – the article Engine Cooling System – Overheating, Repair, and Used Radiators may be helpful, showing how proper maintenance of key systems impacts the overall lifespan of the car.