Mercedes W221 Rear Axle Hydraulic Strut Shock Absorber Right O/S A2213208613

Mercedes W221 Rear Axle Hydraulic Strut Shock Absorber Right O/S is an original component from the Shock absorbers and struts group, designed for the rear axle on the passenger side. Engineered specifically for the W221 platform, it ensures proper damping characteristics and stable vehicle handling in demanding road conditions.

Specifications and technical data

• SKU: A2213208613
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213208613
• Substitutable numbers: A2213208613, A 221 320 86 13
• Location on the vehicle: Rear, Right
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The hydraulic rear axle shock absorber on the right side is responsible for controlling body movement, reducing roll, and stabilizing the vehicle during acceleration, braking, and traversing uneven surfaces. In the Mercedes W221 model, a correctly selected component of this type:

• ensures predictable vehicle behavior in corners,
• improves ride comfort at higher speeds,
• reduces excessive body roll under full load,
• supports even wear of tires and suspension components.

Thanks to its dedicated placement on the vehicle (rear, right side), the shock absorber works in tandem with other rear axle suspension components, maintaining factory geometry and operating characteristics.

Benefits of using an original hydraulic shock absorber

The original hydraulic shock absorber for the Mercedes W221 has been designed with the specific weight, load distribution, and handling characteristics of this model in mind. In practice, this means:

• precise fitment to mounts and the suspension system without the need for modifications,
• consistent operation with factory chassis settings,
• stable vibration damping under typical W221 operating conditions.

This component is particularly important in luxury class vehicles, where high suspension refinement and predictable vehicle behavior during dynamic highway driving are expected.

Condition, installation, and technical aspects

The presented shock absorber belongs to the Shock absorbers and struts category and is intended for installation on the rear axle on the right side. As a used part, it represents an attractive solution for users seeking a balance between repair costs and maintaining the vehicle's original specifications.

During replacement, it is recommended to:

• check the condition of other suspension components on the rear axle,
• inspect mounts and sockets for play and corrosion,
• perform a suspension geometry alignment after installation, if required by service procedures.

Selecting the correct component is facilitated by the available manufacturer markings and assignment to the specific body version and suspension system of the Mercedes W221.

Suspension service expansion and educational materials

If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other elements from the same group, such as additional shock absorbers, complete struts, or mounting brackets, check the available parts in the Mercedes shock absorbers and struts category.

To better plan service work and understand the relationships between shock absorbers, control arms, and stabilizers, it is worth using practical technical materials. A detailed discussion of the construction and diagnostics of suspension components can be found in the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which will help you consciously assess the condition of components and choose the appropriate repair strategy.

Summary

Mercedes W221 Rear Axle Hydraulic Strut Shock Absorber Right O/S is a solution intended for users who expect to maintain factory handling characteristics while optimizing service costs. A properly selected and correctly installed component from this group contributes to the stable operation of the chassis, improves travel comfort, and supports safe vehicle behavior in daily use.