Mercedes X156 W176 AMG Brake Caliper Rear Left N/S Brake Unit A1764230181

Mercedes X156 W176 AMG Brake Caliper Rear Left N/S Brake Unit is a factory-original brake system component designed for installation on the rear axle on the driver's side. The original Mercedes design ensures precise fitment, stable operation, and predictable vehicle behavior during braking, which is crucial for the safety and durability of the entire system.

Specifications and technical data

• SKU: A1764230181
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1764230181
• Substitutable numbers: A1764230181, A 176 423 01 81
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the braking system

The presented caliper is a component from the Brake Calipers and Brackets category, operating on the rear axle on the left side of the vehicle. It is responsible for evenly pressing the brake pads against the disc, stabilizing braking force, and maintaining the proper balance between the front and rear of the car, which is particularly important in high-performance AMG versions.

Its placement on the driver's side at the rear of the vehicle allows for maintaining the factory geometry of the braking system, thereby ensuring proper cooperation with assistance systems such as ABS or traction control (assuming they are fully functional in the vehicle).

Benefits of using an original AMG caliper

Using an original caliper instead of a worn or damaged component allows you to:

• maintain the factory braking parameters characteristic of AMG versions,
• preserve compatibility with stock discs and pads intended for the specific model,
• reduce the risk of uneven wear of pads and discs on the left and right sides,
• minimize vibrations and noise resulting from improper caliper operation.

For users who value braking system consistency and predictable vehicle behavior, installing an original caliper is a technically safe solution that complies with the manufacturer's specifications.

Product characteristics and fitment

The offered component comes from the Mercedes brand and complies with the factory specifications for X156 and W176 models in AMG versions. Thanks to this, installation is performed using existing mounting points, without the need for structural modifications or bracket adaptations. The product has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification with a specific vehicle configuration in the manufacturer's catalogs or service documentation.

The used condition means that the component has been previously operated, yet it retains functionality that allows for continued service after proper installation and system bleeding. In practice, this is a cost-effective solution, especially for repairs involving multiple components simultaneously.

Practical application and installation recommendations

The Mercedes X156 W176 AMG Brake Caliper Rear Left N/S Brake Unit is suitable both for standard replacement of a worn component and for restoring full braking system efficiency after a collision or intensive use. It is recommended that the installation be performed by a workshop with experience in Mercedes vehicles, following proper procedures for bleeding and checking line tightness.

To achieve even system operation, it is worth considering a simultaneous inspection of the right-side caliper, as well as the condition of the discs, pads, and flexible lines. Such an approach helps to reduce future service interventions and maintain stable braking parameters over a longer period of use.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as additional calipers, supports, or mounting brackets, check out the available parts in the Mercedes Brake Calipers and Brackets category.

To better assess the condition and safety of purchasing a used brake caliper, it is worth using the practical tips and checklists described in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which discusses step-by-step what to look for when selecting braking system components from the secondary market.