Mercedes W212 Brake Caliper Rear Right O/S Wheel Brake A2124230381

Mercedes W212 Brake Caliper Rear Right O/S Wheel Brake is an original braking system component designed for installation on the rear right axle of the vehicle. Thanks to its factory origin from the Mercedes brand, it ensures a perfect fit for the suspension and braking system design of the specific W212 body version. It is a practical solution for users looking for a proven, used component with maintained geometry and the appropriate manufacturing standard.

Specifications and technical data

• SKU: A2124230381
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2124230381
• Substitutable numbers: A2124230381, A 212 423 03 81
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is dedicated to installation in the rear right part of the braking system, which is crucial for the correct distribution of braking forces and vehicle stability during deceleration. The caliper design is adapted to the hub geometry and mounts used in the W212 model, which facilitates installation and reduces the risk of compatibility issues.

The placement on the vehicle is clearly defined as the rear – right side, which allows for quick verification of compatibility with your specific car model and helps avoid mistakes when selecting parts.

Technical characteristics of the brake caliper

The caliper belongs to the Brake calipers and brackets group, responsible for the precise guidance of brake pads relative to the disc and stable transfer of braking forces. The design provided by the manufacturer ensures:

• adequate body stiffness, limiting deformation during intensive braking,
• proper pad guidance in the carrier, which promotes even wear of the linings,
• the ability to bleed and service the system in accordance with Mercedes service procedures.

As an original dismantled part, the caliper retains the factory mounting geometry and operating parameters intended for the W212 braking system, which is essential for maintaining vehicle stability and predictable handling.

Benefits of using an original, used Mercedes caliper

Choosing an original dismantled brake caliper allows you to combine cost control with maintaining the proper operating parameters of the braking system. The most important advantages of this solution include:

• factory fitment for the specific Mercedes platform, without the need for mounting modifications,
• preservation of the original braking system performance characteristics,
• the ability to install it in place of a worn or damaged caliper without interfering with the suspension structure.

A used brake caliper is a good choice in situations where the priority is to restore full braking system efficiency on a reasonable budget, while maintaining the safety standards provided by the vehicle manufacturer.

Selection and safety of using used brake components

When choosing a used brake caliper, it is worth paying attention to compliance with the manufacturer's markings, body type, and mounting side. Verifying the OEM part number and interchangeable numbers in the technical specification can also be helpful, which facilitates matching to a specific car configuration.

If you want to deepen your knowledge on the safe selection of used braking system components, such as discs, calipers, or ABS components, check out the guide: Second-hand braking system: how to safely choose discs, calipers, and ABS?. It is a practical checklist that helps you make informed purchasing decisions when choosing used components.

Complementary Brake calipers and brackets for Mercedes

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, carriers, or mounting brackets, check the available parts in the Mercedes Brake calipers and brackets category.

For drivers who want to learn more about original dismantled components for this brand, the following article may also be useful: Used parts for Mercedes – original dismantled parts, which describes the advantages of using factory components when optimizing service costs.