Mercedes X156 Rear Coil Spring Suspension Left Right N/O/S Set A1563240404

Mercedes X156 Rear Coil Spring Suspension Left Right N/O/S Set is a factory-original suspension component designed for the rear axle of Mercedes vehicles. The spring set ensures stable body support, predictable vehicle behavior under load, and consistent handling during daily operation.

Specifications and technical data

• SKU: A1563240404
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1563240404
• Substitutable numbers: A1563240404, A 156 324 04 04
• Location on the vehicle: Rear, Right, Left
• Category: Leaf & Coil Springs

Purpose and function in the suspension system

The presented set belongs to the Leaf springs and coil springs category and is intended for installation on the rear axle, on both the left and right sides. The springs are responsible for maintaining the correct vehicle ride height, compensating for loads, and working in conjunction with shock absorbers to dampen road irregularities. This allows the vehicle to maintain stability during acceleration, braking, and driving with a load.

Selecting a component from the same design group as the factory-fitted part allows for the preservation of the original suspension performance characteristics, which is particularly important for ride comfort and predictable vehicle handling.

Benefits of using an original rear spring

Using a dedicated rear spring in Mercedes X156 models helps maintain the consistency of the entire chassis system. The properly selected deflection characteristics promote:

• maintaining a stable body position under varying loads in the trunk and on the rear seat,
• reducing body roll when cornering,
• even distribution of forces on the tires, which supports their uniform wear,
• maintaining predictable vehicle response to steering maneuvers.

For the user, this means more confident handling, better vehicle control, and the maintenance of driving parameters close to factory specifications.

Installation characteristics and rear axle configuration

The spring is designed to work on the rear axle, with the possibility of installation on both sides – left and right. This configuration facilitates service, as one type of component can be used symmetrically on both sides of the vehicle. In practice, this allows for:

• simultaneous replacement of both springs on the axle, which is recommended to maintain uniform suspension performance,
• limiting differences in height and stiffness between the left and right sides,
• simplifying part selection in a workshop or during DIY service.

Such a solution promotes the maintenance of consistent suspension geometry and improves the predictability of the car's behavior over a long period of operation.

Component condition and service application

The offered spring set is a pre-owned item, making it an attractive cost-effective alternative compared to new components, while maintaining structural compatibility with the factory suspension system. This type of solution is often chosen for post-accident repairs, replacing individual damaged components, or restoring a vehicle to working order after a mechanical suspension failure.

Choosing an original rear spring for a Mercedes allows for reducing the risk of fitment issues and also facilitates subsequent diagnostics and service in a professional workshop.

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 components, check out the available parts in the Mercedes Leaf springs and coil springs category.

If you are interested in a broader context regarding the selection of used forced induction system components, a comparison of factory solutions, and practical installation tips, check out the article Go-Kart Feeling XXL: used N18 turbocharger vs. B48 – what to choose for a Mini Cooper S?, which discusses key aspects of selecting OEM components in advanced powertrain systems.