Rear Absorber Mercedes W212 Air Suspension Shock Bag Right O/S Spring

Rear Absorber Mercedes W212 Air Suspension Shock Bag Right O/S Spring is an item from the Shock absorbers and struts category, designed for use in the air suspension system on the rear axle on the passenger side. This is a used, original component that allows you to restore the correct vibration damping characteristics and body stability in Mercedes E-Class W212 generation vehicles. Thanks to its precise fit for the specific mounting location, it ensures consistent operation with the other suspension components.

Specifications and technical data

• SKU: A2123204025
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2123204025
• Substitutable numbers: A2123204025, A 212 320 40 25, KZ
• Location on the vehicle: Rear, Right
• Category: Shocks, Struts & Assemblies

Purpose and vehicle placement

The presented Rear Absorber Mercedes W212 Air Suspension Shock Bag Right O/S Spring is designed specifically for installation on the rear axle on the right side in Mercedes W212 models equipped with air suspension. The dedicated placement on the vehicle reduces the risk of incorrect part selection and facilitates service, especially when replacing a single component on the offside (O/S).

As an element of the spring-damper system, the air shock absorber is responsible for:

• controlling suspension deflection when the rear axle is loaded,
• stabilizing the body during acceleration, braking, and cornering,
• maintaining the correct ride height in the air suspension system.

Technical and functional characteristics

The Rear Absorber Mercedes W212 Air Suspension Shock Bag Right O/S Spring combines the function of a classic shock absorber and an air spring in one housing. This design allows for precise control of the body height and effective vibration damping, which translates into driving comfort and predictable vehicle behavior.

Key functional features include:

• design tailored to the specific Mercedes W212 air suspension system,
• compatibility with the factory body leveling control,
• maintaining the correct suspension geometry on the rear right side.

Benefits of using an original air shock absorber

Using an original Rear Absorber Mercedes W212 Air Suspension Shock Bag Right O/S Spring allows you to maintain the factory vehicle handling parameters. Compared to random replacements, a properly selected component:

• ensures consistent operation with other air suspension components,
• reduces the risk of uneven damping on the left and right sides,
• facilitates the diagnosis of potential faults in the future.

For the user, this means more predictable car behavior, better vehicle control at higher speeds, and more stable rear axle performance when driving with a load.

Condition and service application

The offered item is in used condition, which makes it an attractive solution for service repairs where a reasonable compromise between cost and maintaining original specifications is important. This choice is particularly beneficial for:

• repairs after local suspension damage,
• gradual replacement of pneumatic elements on one side of the vehicle,
• restoring the efficiency of cars used intensively, e.g., in fleets.

Thanks to the preservation of the factory design, installation proceeds in a manner similar to the procedures provided by the manufacturer, which facilitates workshop work and reduces vehicle downtime.

Technical support and educational materials

If you want to better understand how air suspension works and how shock absorbers interact with other system elements, it is worth checking out our guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This is a practical source of knowledge that helps you consciously plan repairs and diagnostics.

Related products from the same group

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 rear shock absorbers, suspension struts, or complete struts, check out the available parts in the Mercedes shock absorbers and struts category.