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

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W212 Brake Caliper Rear Right O/S Wheel Brake Red is an original brake system component designed for the rear axle on the right side of Mercedes E-Class W212 generation models. This used caliper in a sporty, red finish allows you to maintain factory braking characteristics while emphasizing the vehicle's dynamic appearance. It is a solution for drivers who expect a proven design and compatibility with the factory system.

Specifications and technical data

• SKU: A2124230381-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2124230381
• Substitutable numbers: A2124230381, A 212 423 03 81
• Location on the vehicle: Rear, Right
• Color: Red
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented brake caliper is dedicated for installation on the rear axle on the right side, which is crucial for the correct distribution of braking forces and cooperation with other system components. The design is adapted to the suspension geometry and hub of the Mercedes W212, ensuring that the correct mounting points and proper piston operation relative to the brake disc are maintained.

The placement on the vehicle is factory-defined, which is why the caliper should be used exactly in the intended position. This helps avoid issues with brake pad guidance, uneven wear, and interference with the operation of brake assist systems.

Visual and functional characteristics

The element stands out with its red color, which gives the rear axle a more dynamic, sporty character, especially visible with open-design wheels. At the same time, the color does not affect performance parameters – it serves an aesthetic function while maintaining the technical properties of the original Mercedes caliper.

As part of the Brake calipers and brackets group, the product is responsible for precisely pressing the pads against the disc, stable pad guidance in the carrier, and maintaining proper pressure in the hydraulic circuit. A correctly selected caliper reduces the risk of the vehicle pulling during braking, disc overheating, and uneven pad wear.

Condition and practical application

The offered caliper is a used item, which in practice means a favorable compromise between cost and maintaining the manufacturer's original specifications. Such components are frequently chosen for post-accident repairs, replacing a single damaged caliper, or restoring the efficiency of the braking system in daily-driven cars.

Choosing an original caliper for the Mercedes W212 allows you to maintain consistency with the factory ABS/ESP system and rear axle operating parameters, which is particularly important in vehicles equipped with advanced safety systems.

Selecting a used brake caliper

When selecting a used caliper, it is worth paying attention to compatibility with the body version and brake system of the specific W212 unit, as well as the condition of the working surfaces, threads, and brake line mounting points. Verifying the part number and interchangeable numbers in the product's technical specification can also be helpful to confirm full compatibility with the given vehicle.

If you want to organize the process of selecting brake system components from the secondary market, it is worth using the practical tips included in the article: Second-hand brake system: how to safely choose discs, calipers, and ABS?. This is a helpful checklist when planning the purchase of used components in a professional store.

Expanding the Mercedes brake system

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.

In summary, Mercedes W212 Brake Caliper Rear Right O/S Wheel Brake Red is a solid, original component designed for the rear right side, which allows you to restore the proper operation of the braking system and give the vehicle a more expressive, sporty look, while maintaining factory compatibility with the Mercedes design.