Mercedes R172 Spring Strut Suspension Shock Absorber Rear A1723202930

Mercedes R172 Rear Suspension Shock Absorber Control Arm is an original part from the Shock Absorbers and Struts group, designed for the rear suspension. Engineered by the vehicle manufacturer, it ensures consistency with factory driving characteristics, stability, and ride comfort. This is a solution for users who expect precise fitment and predictable vehicle behavior in everyday use.

Specifications and technical data

• SKU: A1723202930
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1723202930
• Substitutable numbers: A1723202930, A 172 320 29 30
• Location on the vehicle: Rear
• Category: Shocks, Struts & Assemblies

Purpose and Function in the Suspension System

The presented component operates in the rear suspension, responsible for damping vibrations and stabilizing the body during acceleration, braking, and encountering uneven surfaces. In conjunction with other suspension system components, it contributes to:

• maintaining constant tire contact with the road surface,
• reducing body roll in corners,
• controlling the movement of the rear axle during load changes.

Thanks to its factory geometry and operating characteristics, the original Mercedes driving dynamics are preserved, without the need for additional suspension adjustments.

Benefits of Using an Original Mercedes Part

Choosing a component from the Mercedes group means maintaining compliance with the vehicle manufacturer's design intentions. In practice, this translates to:

• secure fitment to the mounting points in the rear of the body,
• proper cooperation with the stock springs and other suspension components,
• stable operating parameters under typical road conditions.

A part from the Shock Absorbers and Struts category, selected according to the manufacturer's designations, minimizes the risk of incorrect installation and undesirable changes in vehicle behavior, which is particularly important for vehicles with precisely tuned chassis systems.

Performance Characteristics and Installation

The rear suspension shock absorber control arm in this version is designed for direct installation in the appropriate Mercedes model, without requiring structural modifications. Key performance features include:

• preservation of factory damping characteristics in the rear axle,
• possibility of using existing mounting points and hardware,
• compatibility with the stock suspension architecture.

The product is offered as a used part, allowing for economical repair or restoration of the factory suspension configuration while maintaining the original design specifications.

Selection, Diagnostics, and Technical Knowledge

When replacing suspension components, it is advisable to pay attention to the consistency of parameters on both sides of the axle and the condition of cooperating components. For users who wish to deepen their knowledge of shock absorbers, control arms, and stabilizers, a guide has been prepared – detailed discussion of issues related to diagnostics and operation can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers.

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