Mercedes Vito W639 Coil Spring Rear Axle Suspension Set 2x Blue A6393242904

Mercedes Vito W639 Coil Spring Rear Axle Suspension Set 2x Blue is an original component from the Leaf springs and coil springs group, designed for operation in the rear suspension. The used spring ensures a factory-fit for the Vito W639 design, which facilitates maintenance and helps maintain predictable handling characteristics. The distinctive blue finish makes it easy to identify the correct component during installation.

Specifications and technical data

• SKU: A6393242904
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6393242904
• Substitutable numbers: A6393242904, A 639 324 29 04
• Location on the vehicle: Rear
• Color: Blue
• Category: Leaf & Coil Springs

Purpose and function in the suspension

The rear suspension spring in the Mercedes Vito W639 is responsible for maintaining the correct vehicle height and stable load transfer to the rear axle. This element works in conjunction with shock absorbers, influencing:

• suspension deflection control when loaded with cargo or passengers,
• vehicle stability during braking and acceleration,
• ride comfort on uneven surfaces.

Its placement on the rear axle allows for effective transfer of vertical and lateral forces, which is particularly important in commercial vehicles operated with varying loads.

Construction and functional features

The spring belongs to the Leaf springs and coil springs group, which are components responsible for the flexible support of the body. The blue color coding facilitates the selection of the correct variant during replacement, especially when comparing different suspension versions within the same vehicle generation.

The spring solution used in the Vito W639 ensures predictable suspension performance, which translates into consistent vehicle behavior in corners and under load. The used component allows for an economical repair while maintaining the original geometry and performance characteristics of the chassis.

Benefits of using an original rear spring

Using an original rear spring in the Mercedes Vito W639 allows for maintaining the structural integrity of the entire suspension. As a result:

• the correct vehicle height relative to the ground is maintained,
• the risk of uneven tire and suspension component wear is reduced,
• the vehicle retains predictable reactions during emergency maneuvers.

For commercial vehicles that often operate with a full load, this has a direct impact on safety and driving stability. The used component helps reduce service costs while maintaining parameters close to factory specifications.

Selection and application in service practice

When replacing the rear spring in a Vito W639, it is recommended to install components with the same characteristics as those originally fitted to avoid differences in the performance of the left and right sides of the suspension. The blue color coding allows the mechanic to quickly compare it with the currently installed element.

In the case of older vehicles, where the availability of new parts can be limited, used suspension components provide a practical service solution. You can find more on this topic in the article No parts at the dealership? How to use dismantled parts when repairing older models, which discusses the advantages of using verified components from the secondary market.

Expanding rear suspension repairs

If you are planning a comprehensive repair or upgrade of the rear suspension area in your Mercedes and need other elements from the same group, such as additional springs, leaf springs, or related flexible components, check the available parts in the Mercedes leaf springs and coil springs category.

Summary

Mercedes Vito W639 Coil Spring Rear Axle Suspension Set 2x Blue is a practical choice for users who want to restore the proper operation of the rear suspension while maintaining the vehicle's original characteristics. The used, original component with blue color coding allows for a technically correct, economical repair, especially in intensively used delivery and fleet vehicles.