Mercedes W176 Spring Strut Rear Left Right Shock Absorber A1173201131

The Mercedes W176 Rear Shock Absorber Left Right is an original vibration damping component designed for installation on the vehicle's rear axle. Thanks to its factory design, it ensures consistent suspension behavior, predictable body movement, and stable vehicle handling in everyday use. This is a solution for drivers who expect reliable suspension performance, consistent with the manufacturer's specifications, without compromising on fit.

Specifications and technical data

• SKU: A1173201131
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1173201131
• Substitutable numbers: A1173201131, A 117 320 11 31
• Location on the vehicle: Rear, Right, Left
• Category: Shocks, Struts & Assemblies

Intended Use and Vehicle Placement

The shock absorber presented is part of the Shock Absorbers and Struts category, designed to work on the car's rear axle. It can be installed on both the left and right sides, which simplifies part selection during suspension service and maintains the symmetry of the damping characteristics.

Vehicle placement includes:

• rear axle – responsible for stabilizing the body during acceleration and driving over uneven surfaces,
• right side – working in conjunction with suspension components on the passenger side,
• left side – working in conjunction with suspension components on the driver's side.

Technical and Functional Characteristics

The shock absorber operates within the suspension system as a key component for damping spring vibrations and limiting body movements. It is responsible for:

• controlling suspension compression when encountering unevenness,
• reducing body roll in corners,
• maintaining constant tire contact with the road surface,
• improving the effectiveness of the braking system through stable tire operation.

Thanks to its design consistent with solutions used by Mercedes, the part maintains the correct operating characteristics for this model, which translates into predictable vehicle reactions and a comfortable yet controlled ride.

Original Origin and Fitment

The shock absorber comes from a line of parts developed specifically for vehicles of this brand, meaning full compatibility with factory mounting points and suspension operating parameters. The original solution ensures:

• precise fit to the rear axle geometry,
• consistency with other suspension system components,
• maintenance of the handling characteristics designed by the manufacturer.

The condition described as used means the part comes from disassembly, allowing for economical replacement while maintaining the factory structural specifications. This is a beneficial solution for users who want to maintain the original suspension configuration without resorting to aftermarket parts with uncertain parameters.

Benefits of Installation and Technical Support

Installing this shock absorber on the rear axle allows for the restoration of proper suspension function in situations where the existing component shows signs of wear, such as excessive body roll, extended braking distances, or uneven tire wear. Replacing both rear shock absorbers simultaneously (left and right) promotes uniform damping characteristics on both sides of the vehicle, contributing to driving stability.

For drivers who want to better understand the role of shock absorbers in the entire suspension system and their relationship with other components, we have prepared a detailed guide: check out the comprehensive guide to shock absorbers, control arms, and stabilizers. This is a practical addition to your knowledge when planning suspension service for various car makes and models.