Mercedes W212 Coil Spring Rear Axle Suspension Spring Set Saloon A2123240104

Mercedes W212 Coil Spring Rear Axle Suspension Spring Set Saloon is an original suspension component designed for the rear axle of this model, ensuring stable body support. Thanks to the precise fit to the Mercedes suspension design, you maintain the factory performance characteristics, which translates into confident handling, predictable vehicle reactions, and ride comfort. This is a solution for users who want to maintain proper suspension performance parameters without compromising on safety.

Specifications and technical data

• SKU: A2123240104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2123240104
• Substitutable numbers: A2123240104, A 212 324 01 04, BG
• Location on the vehicle: Rear
• Category: Leaf & Coil Springs

Purpose and function in the suspension system

The presented springs are a component of the rear suspension, responsible for maintaining the correct vehicle ride height and for carrying loads while driving. In combination with shock absorbers, they form a system that:

• stabilizes the vehicle during acceleration, braking, and cornering,
• reduces body roll and improves tire contact with the road surface,
• absorbs road irregularities, increasing passenger travel comfort.

Thanks to a design consistent with Mercedes factory specifications, the springs work with the rear axle in a predictable and repeatable manner, which is particularly important during dynamic driving and when the vehicle is fully loaded.

Technical category – Shock absorber and strut mounts

The item belongs to the Shock absorber and strut mounts group, i.e., sub-assemblies responsible for the proper connection of springs, shock absorbers, and the body. In practice, this means that the springs work in the immediate vicinity of key suspension components, influencing:

• rear axle geometry and vehicle behavior in corners,
• even load distribution on load-bearing elements,
• durability of other suspension system parts.

Selecting the right element from this group is important not only from the point of view of comfort but also for the service life of shock absorbers, mounts, and struts.

Benefits of using original rear suspension springs

Using dedicated springs in the Mercedes W212 Saloon allows you to maintain the parameters intended by the vehicle manufacturer. In practice, the user gains:

• stable handling – the car reacts predictably to steering inputs and load changes,
• consistent operation with factory shock absorbers and mounts,
• proper rear ride height, which affects the operation of safety and comfort systems.

This solution is particularly recommended when replacing worn suspension elements, when you want to maintain driving characteristics close to factory standards, without unwanted changes in stiffness or ground clearance.

Condition of the item and installation aspects

The springs come from a used vehicle, which allows for an economical suspension system rebuild while maintaining the original specification. Before installation, standard workshop verification and inspection of other rear suspension components, such as shock absorbers, mounts, and bushings, are recommended to restore the consistent condition of the entire system in a single service operation.

Professional installation at a specialized service center guarantees correct spring seating, proper preload, and correct tightening of mating parts, which has a direct impact on durability and operational safety.

Rear suspension upgrade expansion

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, mounts, or components working with struts, check the available parts in the Mercedes shock absorber and strut mounts category.

For drivers interested in optimizing vehicle maintenance costs, it is also worth checking out practical tips on economical operation and parts selection – you will find them in the article Economical operation of a Ford – where to look for the greatest savings in mechanical and body repairs, which shows how to approach repairs in an informed way and control your service budget.