Mercedes Vito W639 Coil Spring Rear Axle Suspension Set A6393240504

Mercedes Vito W639 Rear Springs Set X2 A6393240504 is a set of two rear suspension springs designed for the rear axle of the popular Mercedes Vito W639 van. The set belongs to the Shock Absorber and Strut Mounts group, making it a cohesive part of the suspension system, ensuring stable handling and predictable vehicle behavior under load. This is a practical solution for users who want to restore proper suspension operation in their Vito while maintaining the factory characteristics of the rear axle.

Specifications and technical data

• SKU: A6393240504-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6393240504
• Substitutable numbers: A6393240504, A 639 324 05 04
• Location on the vehicle: Rear
• Category: Shock & Strut Mounts

Purpose and Function in the Suspension System

The presented set of rear springs is designed specifically for installation on the vehicle's rear axle, where it is responsible for maintaining the correct body height, stabilizing the vehicle when driving with a load, and cooperating with the shock absorbers. The springs work in conjunction with damping elements, allowing for even distribution of forces acting on the body and reducing body roll during braking, acceleration, and cornering.

Choosing a set of two springs for one axle minimizes the risk of suspension asymmetry, which translates into predictable handling, even tire wear, and stable tracking, both in city driving and during long-term operation with a load.

Benefits of Installing the Rear Springs Set

Applying a complete set of rear springs to the Mercedes Vito W639 allows you to:

• restore the correct geometry of the rear suspension after wear of the factory components,
• reduce the effect of the vehicle "sagging" when the cargo space is heavily loaded,
• improve stability when towing a trailer or driving with a full load,
• increase driving comfort through more even damping of road imperfections,
• maintain the consistency of the suspension system's operation with other components in the Shock Absorber and Strut Mounts category.

For commercial vehicles like the Vito W639, the proper condition of the springs directly impacts safety, predictable vehicle behavior, and the durability of other suspension components.

Product Characteristics and Fitment

The springs in this set are components from the Mercedes offering, ensuring compatibility with factory mounting points and correct fitment to the rear axle construction. This allows for installation without the need for modifications to other suspension components, and the operating characteristics remain close to the original configuration intended for the Vito W639.

The product is offered as used, allowing for an economical replacement of worn parts while maintaining the original vehicle manufacturer's specifications. This solution is particularly beneficial for fleets, commercial vehicles, and intensively used cars where both repair costs and maintaining correct driving parameters are important.

Professional Application and Installation Tips

Due to the importance of springs for driving safety, it is recommended to install the set in a specialized service center, using appropriate tools for handling suspension components. Replacing both springs simultaneously on the same axle ensures uniform operating characteristics and avoids differences in deflection between the left and right sides of the vehicle.

After installation, it is advisable to perform a suspension geometry check and a visual inspection of cooperating elements such as shock absorbers, bump stops, and upper and lower mounts to ensure consistent operation of the entire spring and damping system.

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other parts from the same group, such as additional springs, mounting elements, or components cooperating with struts, check the available parts in the Mercedes Shock Absorber and Strut Mounts category.

For users interested in a broader perspective on the operation and selection of used drivetrain components and cooperating sub-assemblies, a guide describing the practical aspects of assessing the condition of second-hand parts may be helpful – you can find it in the article Used Differential – What You Should Know About Used Differentials, Sensors, and Drivetrain Systems.