Mercedes-Benz S W221 Rear Right O/S Axle Air Suspension Shock Absorber Strut

Mercedes-Benz S W221 Rear Right O/S Axle Air Suspension Shock Absorber Strut is an original suspension component designed for the rear right axle of S-Class W221 generation models. A used shock absorber from this series ensures the maintenance of factory suspension performance characteristics, which translates into stable handling, predictable body reactions, and a comfortable ride. This is a solution for drivers who want to restore proper suspension operation while maintaining a design consistent with the Mercedes manufacturer's standards.

Specifications and technical data

• SKU: A2213205613
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2213205613
• Substitutable numbers: A2213205613, A 221 320 56 13, KZ
• Location on the vehicle: Rear, Right
• Category: Shocks, Struts & Assemblies

Purpose and vehicle placement

The presented shock absorber is a suspension component mounted on the rear right side of the vehicle. It is responsible for controlling the movement of suspension springs, damping body vibrations, and maintaining stable tire contact with the road surface. A properly selected and functional shock absorber in this position has a significant impact on:

• driving stability at higher speeds,
• vehicle behavior during braking and acceleration,
• body roll control in corners,
• ride comfort for rear-seat passengers.

Thanks to its fitment for the specific axle and side of the vehicle, the shock absorber works with other W221 suspension components in accordance with the manufacturer's design assumptions.

Construction and performance characteristics

The shock absorber from the Shock absorbers and struts category in the Mercedes W221 has been designed to provide precise damping of suspension movements while maintaining the comfort typical of the S-Class. The performance characteristics are adapted to the vehicle's weight, load distribution, and rear axle geometry, which allows for:

• reduction of body sway on uneven surfaces,
• limitation of suspension bottoming under heavy loads,
• maintaining predictable vehicle behavior on surfaces of varying quality.

Selecting a shock absorber that complies with factory specifications is particularly important in premium class vehicles, where ride comfort and stability are key elements of the user experience.

Benefits of using an original used component

Choosing a used rear right shock absorber for the Mercedes W221 allows you to combine cost control with maintaining a design consistent with factory solutions. An original component from this series ensures:

• consistency of suspension operation with other system elements,
• proper mounting fitment without the need for modifications,
• preservation of correct geometry and damping characteristics.

For users who want to better understand the role of shock absorbers in safety and ride comfort, the following guide will be helpful: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. It allows you to organize your knowledge regarding the diagnostics and operation of suspension components in various models.

Application in service and suspension upgrades

By installing a rear right shock absorber in a Mercedes W221, you restore the proper operation of one of the key axles responsible for travel comfort. This element will work well both for standard replacement of a worn-out component and for broader service work involving the rear suspension. In the case of S-Class vehicles, it is particularly important to maintain uniform damping characteristics on both sides of the axle, which is why replacement is often planned in pairs.

If you are planning a comprehensive repair or upgrade of the suspension zone 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.

Support in choosing used parts for Mercedes

When selecting used suspension components for a Mercedes, it is worth paying attention to the origin of the part and compatibility with the specific body version. For drivers who want to consciously use the secondary market and better understand the advantages of original dismantled parts, a practical material has been prepared: used parts for Mercedes – original components from dismantling. It allows you to assess when choosing a used element is a reasonable alternative to new replacements.