Mercedes R231 AMG Brake Caliper Brake Housing Rear Right O/S 320x24 A2314231081

Mercedes R231 AMG Brake Caliper Brake Housing Rear Right O/S is an original braking system component designed for use with a 320x24 brake disc. Thanks to its factory AMG design, it ensures stable brake pad guidance, even pressure, and predictable braking characteristics. This is a solution for users who expect consistency with factory specifications and want to maintain the correct operating parameters of the rear axle.

Specifications and technical data

• SKU: A2314231081-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2314230181
• Substitutable numbers: A2314230181, A 231 423 01 81
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper belongs to the Brake Calipers and Brackets group and is intended for installation on the rear right side of the vehicle. This placement requires a specific body shape and correct positioning of the mounting points, which facilitates installation and reduces the risk of selecting the wrong side.

The component was designed specifically for Mercedes R231 series vehicles in the AMG version, which allows for maintaining compatibility with the factory hydraulic system, suspension geometry, and the braking force distribution characteristics between the axles.

Body construction and operating characteristics

The caliper body is a rigid, uniform structure designed to maintain a stable position of the brake pads relative to the 320x24 disc. Adequate rigidity reduces deflection during intensive braking, which translates into a repeatable pedal engagement point and predictable braking force feel.

The geometry of the guides and brake pad mounting slots has been adapted to the specific AMG configuration, which promotes even pad wear and maintains proper contact with the working surface of the disc. As a result, the braking system maintains stability even under higher thermal loads typical of dynamic driving.

Benefits of using an original AMG caliper

• Maintaining factory braking characteristics – the original caliper works with other system components in accordance with the manufacturer's design.
• Consistency with safety systems – proper operation with ABS and ESP systems requires the correct response of the rear axle to pressure changes in the brake circuit.
• Precise mounting fit – factory mounting points eliminate the need for modifications and speed up service.
• Optimal cooperation with the 320x24 disc – the caliper design has been adapted to the specific disc dimension, which promotes even pressure distribution.

Condition, verification, and use in service practice

The element comes from the used parts group, which allows for reducing repair costs while maintaining the original AMG construction. This type of component is particularly attractive in situations where the priority is maintaining the factory braking system instead of replacing it with aftermarket parts of uncertain specifications.

In workshop practice, the use of an original rear right caliper facilitates diagnostics and subsequent service – the operating parameters are known, and the procedures correspond to the manufacturer's documentation. This is especially important in higher-power vehicles, where the braking system operates under more demanding conditions.

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

How to safely use used brake calipers

When choosing a used caliper, it is crucial to correctly match it to the specific vehicle version and assess the condition of the working elements. It is worth paying attention to tightness, mechanism operation, and compatibility with the intended type of disc and pads. A properly selected, original caliper can be an effective way to reduce service costs while maintaining a high level of safety.

To better understand how to select such components and what to look for when purchasing recycled parts, it is worth reading the guide: Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing verified recycled parts.