Rear Wishbone Mount Mercedes W177 W247 Control Arm Axle Left N/S A1773523100

Mercedes W177 W247 Rear Left Control Arm Bushing A1773523100 is an original part from the Control Arms and Ball Joints group, designed for the rear left suspension. Precise control arm bushing ensures stable vehicle handling, correct wheel alignment, and predictable car behavior during driving. This solution is dedicated to users who expect a robust construction and proper fit for the Mercedes suspension system.

Specifications and technical data

• SKU: A1773523100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1773523100
• Substitutable numbers: A1773523100, A 177 352 31 00
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and Vehicle Placement

The presented bushing operates in the rear axle area, on the left side, where it is responsible for the correct seating of the control arm within the suspension structure. Its placement in the rear suspension zone is crucial for maintaining body stability, especially when driving with a load, cornering, or encountering uneven surfaces.

This component works with other system components, such as control arms, ball joints, shock absorbers, and springs, forming a cohesive system responsible for wheel contact with the road and the driving comfort characteristic of the Mercedes brand.

Technical Characteristics of the Control Arm Bushing

The bushing is designed as a structural part of the suspension system, transferring loads from the control arm to the body or subframe. Appropriately selected geometry and mounting points allow for the maintenance of factory suspension operating parameters, which translates to:

• maintaining correct toe and camber angles of the rear axle wheels,
• stable vehicle handling at higher speeds,
• reduction of unwanted play and noises in the suspension,
• more predictable car behavior during braking and acceleration.

As a part of the Control Arms and Ball Joints group, the bushing contributes to a rigid yet appropriately flexible system designed to dampen vibrations and keep the wheel in an optimal position relative to the body.

Benefits of Using an Original Mercedes Bushing

Using an original control arm bushing in the rear left suspension allows for maintaining the structural integrity of the entire system. The main advantages include:

• Factory Fitment – compatibility with the Mercedes suspension design minimizes the risk of installation issues and the need for modifications.
• Stable Suspension Operation – correct control arm bushing limits excessive component movement, leading to more confident vehicle handling.
• Support for Wheel Alignment – a properly selected component facilitates setting and maintaining the rear axle alignment within the manufacturer's specifications.
• Compatibility with Other Components – the bushing works with factory control arms and ball joints, creating a cohesive suspension system.

Practical Service Application

Replacing the rear left control arm bushing is recommended when symptoms such as rear-end instability, noticeable play in the suspension, accelerated tire wear, or problems with wheel alignment occur. Installing a correctly selected component restores proper suspension operation and enhances driving safety.

To facilitate part selection for a specific vehicle, the product is linked to parameters such as Brand, Vehicle Placement, or Condition, allowing verification of compatibility with vehicle requirements and the planned scope of repair.

Expanding Knowledge on Suspension and Related Components

If you want to better understand how shock absorbers, control arms, and stabilizers work, and how their condition affects driving safety, it's worth consulting an expert guide. Practical tips for diagnostics and operation can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which discusses examples from various car brands, including Mercedes.

Related Parts from the Same Group

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 control arms, ball joints, or mounting brackets, check the available parts in the Mercedes Control Arms and Ball Joints category.