Mercedes Vito W639 Coil Spring Rear Axle Suspension Coil Set 2x 78153 1010526

Mercedes Vito W639 Coil Spring Rear Axle Suspension Coil Set is an original set of two springs from the Leaf springs and coil springs category, designed for installation on the rear axle. The blue marking facilitates the identification of the correct specifications, and the factory origin ensures predictable vehicle behavior and consistency with the factory suspension geometry.

Specifications and technical data

• SKU: A6393242904-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6393242904
• Substitutable numbers: A6393242904, A 639 324 29 04, 78153 1010526
• Location on the vehicle: Rear
• Part type: Coil Spring Set
• Color: Blue
• Category: Leaf & Coil Springs

Purpose and function in the rear axle suspension

The presented set is dedicated to the rear suspension of the Mercedes Vito W639 model, where it is responsible for maintaining the correct vehicle height and stable handling under load. The springs work in conjunction with the shock absorbers, influencing ride comfort, bump absorption, and predictable vehicle behavior during braking and cornering.

The blue finish allows for quick differentiation of this variant from other spring versions used in this model, which is particularly useful for fleet maintenance or when comparing different suspension configurations.

Construction and performance characteristics

Springs from the Leaf springs and coil springs category in this suspension model operate axially relative to the shock absorber, transferring vertical loads from the body to the rear axle. The appropriately selected stiffness provides a compromise between comfort and stability, which is important both in city driving and when fully loaded.

The used construction maintains the factory geometry and operating characteristics, so after replacement, you can achieve:

• more predictable vehicle handling under various loads,
• reduced body roll on uneven surfaces,
• consistent operation of safety systems dependent on suspension performance.

Selection and application in Mercedes Vito W639

The set of two rear axle springs is particularly useful when replacing worn components, especially when the rear of the vehicle is sagging, the ground clearance is uneven, or there is a noticeable deterioration in ride comfort. Installing a pair of springs on one axle allows for maintaining suspension symmetry and even load distribution.

Due to their factory origin, the set works well with original shock absorbers and other rear suspension components, which facilitates maintenance and limits the need for additional modifications.

Condition and benefits of choosing a used set

Items offered as used represent a cost-effective solution for users looking for an economical yet original-compliant suspension repair option. Compared to random aftermarket replacements, factory springs ensure consistency in operating characteristics with the vehicle manufacturer's specifications.

Choosing such a set allows for reduced maintenance costs while maintaining appropriate handling quality, which is important for both private and commercial applications typical of the Vito model.

Suspension upgrade expansion

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

If you are considering further vehicle modifications in terms of performance or driving characteristics and want to better understand how component selection affects vehicle dynamics, the following guide may be helpful: How to increase engine power: a practical guide to engine tuning with used parts.