Mercedes W177 Rear Spring Retainer Insert Lower Left Right N/O/S A2473250184

Mercedes W177 Rear Spring Retainer Insert Lower Left Right is an original protective component designed for the rear suspension, suitable for installation on either the left or right side. It provides stable protection for the shock absorber against contaminants, moisture, and minor mechanical damage, which contributes to longer and more predictable suspension performance. Thanks to its factory origin from the Mercedes range, the correct dimensions and geometry are maintained, perfectly matched to the rear axle design of the W177 model.

Specifications and technical data

• SKU: A2473250184
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473250184
• Substitutable numbers: A2473250184, A 247 325 01 84
• Location on the vehicle: Rear, Right, Left
• Category: Other Steering & Suspension Parts

Purpose and function in the suspension

The rubber shock absorber cover in the W177 model is responsible for the physical protection of the working part of the rear shock absorber. This component operates in the immediate vicinity of moving suspension parts, which is why its correct fit is important for:

• limiting the ingress of dirt, sand, and road salt into the area of the shock absorber piston rod,
• reducing the risk of accelerated corrosion and seal wear,
• maintaining consistent suspension performance over a long service life,
• preserving the factory damping characteristics of the rear axle.

The component is intended for installation on the rear axle on the left or right side, which facilitates service and replacement during shock absorber maintenance.

Compatibility with Mercedes W177

The presented cover has been designed specifically for the suspension design of the Mercedes W177 class. This means that:

• the geometry of the cover is matched to the stock rear shock absorber,
• the appropriate length and working diameter are maintained,
• the mounts work with factory mounting points.

As a result, installation is performed in a manner similar to the factory standard, without the need for modifications or the use of additional adapters. This is a beneficial solution for both workshops and users who care about maintaining the original suspension specification.

Material characteristics and operation

The rubber construction of the cover works flexibly across the full range of shock absorber movement, compensating for suspension deflection and vibrations transmitted from the road surface. In practice, this translates into:

• better protection against micro-cracks resulting from operation in low and high temperatures,
• resistance to typical road contaminants,
• stable positioning of the cover relative to the shock absorber body.

As an item from the Other category in the Mercedes parts offer, the cover plays a supplementary role, but one that is significant from the perspective of the durability of the entire suspension system.

Condition and service application

The offered rubber shock absorber cover is a used item, which makes it an attractive option for suspension service in vehicles used intensively or in fleets. It is particularly useful in situations where:

• it is necessary to replace a damaged or perished cover while keeping costs reasonable,
• a repair of the rear suspension is being carried out on the left or right side,
• it is important to maintain the original design of the protective elements.

The selection of the correct cover for a specific vehicle should always be confirmed based on Mercedes catalog data or part numbers in the technical specification.

Expansion of the offer and technical materials

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 covers, mounts, or flexible protective elements, check the available parts in the Other Mercedes category.

For a better understanding of the structural differences between sports and standard suspension versions, as well as the impact of protective elements on the operation of the chassis, it is worth reading an article discussing the construction and components in high-performance cars: Audi RS vs other models – what is hidden under the hood and chassis?.