Mercedes W221 Rear Suspension Hydraulic Hose Line Valve Left N/S A2219970152

Mercedes W221 Rear Suspension Hydraulic Hose Line Valve Left N/S is a specialized active suspension system component designed for operation with the ABC system on the rear left axle. It is responsible for a secure and stable connection between the shock absorber and the hydraulic system, ensuring precise suspension performance under demanding operating conditions. This solution is dedicated to users who expect consistent chassis performance and the maintenance of factory vehicle handling parameters.

Specifications and technical data

• SKU: A2219970152
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2219970152
• Substitutable numbers: A2219970152, A 221 997 01 52
• Location on the vehicle: Rear, Left
• Category: Other Steering & Suspension Parts

Purpose and function in the suspension system

The ABC shock absorber hose in the Mercedes W221 model operates in the immediate vicinity of components responsible for vibration damping and ride height adjustment. Its placement on the vehicle as rear – left side means that the part is matched to the specific suspension geometry and the routing of the hydraulic system in this area of the body. A properly selected hose allows for maintaining the correct operating pressure in the shock absorber, which translates into stability, ride comfort, and predictable car behavior during braking, acceleration, and cornering.

Benefits of using an original ABC hose

Using a shock absorber hose dedicated to the ABC system in the Mercedes W221 allows for maintaining the factory suspension characteristics. In practice, this means:

• consistent operation of all ABC system modes,
• proper damping of irregularities while maintaining the comfort typical of a luxury class vehicle,
• correct cooperation with other hydraulic components in the rear part of the vehicle,
• reduced risk of leaks resulting from a mismatch in the shape or length of the hose.

For the user, this means more predictable handling and maintaining proper body balance under various load and speed conditions.

Installation characteristics and fitment

The ABC shock absorber hose intended for the rear left side in the Mercedes W221 is designed for specific mounting points and routing in this part of the body. As a result, installation is straightforward, without the need to modify other system components. Proper fitment to the suspension geometry limits stress on the hose, which is significant for durability and operational safety.

The item comes from the group of original Mercedes components, which promotes compatibility with the factory ABC system and facilitates diagnostics during subsequent service inspections.

Product condition and service application

The offered ABC shock absorber hose is a used item, making it an attractive option for repairs where combining reasonable costs with maintaining the original system design is key. This type of part is particularly suitable in situations where the hose is damaged due to corrosion, mechanical abrasion, or leaks in the rear left suspension area.

Selecting a hose compatible with the Mercedes W221 design helps reduce vehicle downtime and facilitates workshop work, as the component is ready for installation in a specific location on the vehicle.

Expanding knowledge about chassis and sports systems

If you are interested in how advanced suspension systems, brakes, and chassis affect the handling characteristics of a high-performance car, it is worth checking out materials comparing different design solutions. A good point of reference can be an analysis of models with sports characteristics – you can find more on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the differences in engines, brakes, and chassis components.

Related system components for Mercedes

If you are planning a comprehensive repair or upgrade of the suspension zone in your Mercedes and need other items from the same group, such as additional hydraulic hoses, mounts, or components accompanying the ABC system, check out the available parts in the Other Mercedes category.