Mercedes W176 A 180 Front Left N/S Suspension Leg Brake Wheel Hub Carrier

Mercedes W176 A 180 Front Left N/S Suspension Leg Brake Wheel Hub Carrier is a complete load-bearing component designed for installation on the front axle on the driver's side. The part comes from a vehicle dismantling process, making it a cost-effective yet factory-fitted solution for repairing or rebuilding the suspension system in your Mercedes. Integrating the suspension leg with the wheel hub carrier and brake mount facilitates service and speeds up workshop tasks.

Specifications and technical data

• SKU: A1173231500-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1173231500
• Substitutable numbers: A1173231500, A 117 323 15 00, A1173200138, A 117 320 01 38, A2463320501, A 246 332 05 01, A0004217381, A 000 421 73 81, A2464212512, A 246 421 25 12
• Location on the vehicle: Front, Left
• Category: Shocks, Struts & Assemblies

Purpose and function in the suspension system

The described element is a front left suspension assembly with a wheel hub carrier and brake system mount, dedicated to the Mercedes A-Class W176 generation, A 180 version. It is responsible for transferring loads from the wheel to the body, guiding the steering knuckle within the shock absorber's range of motion, and providing a stable base for the brake caliper and disc. A properly selected suspension leg is crucial for wheel geometry, steering precision, and even tire wear.

Construction and mounting configuration

The element is configured for installation on the front of the vehicle on the left side, which eliminates the risk of error when selecting parts. The assembly integrates the following into a single structure:

• shock absorber mount to the body and steering knuckle,
• mounts for the wheel hub and bearing,
• mounting points for the brake caliper and associated equipment.

This design allows for maintaining the correct wheel alignment relative to the body and steering system, which translates into stable vehicle handling and predictable behavior during braking and cornering.

Benefits of using an original Mercedes component

Choosing an original suspension assembly from dismantling for a Mercedes provides a number of practical advantages:

• Precise geometric fit – maintaining factory mounting points and suspension operating angles.
• Compatibility with the stock brake system and wheel hub, with no modifications required.
• Consistency with other front axle components, which facilitates wheel alignment after repair.
• Reasonable cost compared to new aftermarket replacements while maintaining the original design.

Thanks to this, the part will work well both for standard post-accident repairs and for replacing worn suspension elements to restore proper vehicle handling.

Application in service practice

The front left suspension assembly with wheel hub and brake mount is particularly useful in situations where mechanical damage has occurred in the wheel area – for example, after hitting a curb or a collision. Replacing the entire assembly with one complete unit:

• simplifies the repair process in the workshop,
• reduces the number of separately selected components,
• minimizes the risk of improper part fitting.

This solution is particularly valued by mechanics who want to quickly restore full functionality of the suspension system without compromising safety and driving comfort.

Technical support and additional materials

To better understand the role of the suspension leg, wheel hub, and cooperating elements in the entire suspension system, it is worth checking out the guide: Suspension system – a comprehensive guide to shock absorbers, wishbones, and stabilizers. The article helps to assess the condition of other components and plan more comprehensive service maintenance.

If you are planning a comprehensive repair or upgrade of the front suspension zone in your Mercedes and need other elements from the same group, such as legs, shock absorbers, or complete struts, check the available parts in the Mercedes shock absorbers and legs category.