Brake Caliper Mercedes W205 Rear Right O/S Wheel Braking Unit A2054230400

Mercedes W205 Rear Right Brake Caliper is an original brake system component from the Brake Calipers and Brackets group, designed for installation on the rear right axle of the vehicle. This used OEM part ensures proper fitment with the Mercedes brake system's design, translating to stable handling and predictable vehicle behavior during braking. It's a solution for drivers seeking a technically proven caliper while maintaining reasonable service costs.

Specifications and technical data

• SKU: A2054230400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054230400
• Substitutable numbers: A2054230400, A 205 423 04 00
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Intended Use and Vehicle Placement

The presented caliper is dedicated for installation on the rear right side of the vehicle, which is important for both structural and safety reasons. Correct placement on the vehicle guarantees proper cooperation with the disc, pads, and brake line, as well as with the factory suspension geometry and braking assistance systems.

By adhering to factory specifications, the caliper works with the hydraulic system in accordance with the manufacturer's intentions, helping to maintain an even distribution of braking forces between the left and right sides of the rear axle.

Technical and Functional Characteristics

As a component from the Brake Calipers and Brackets category, this model is responsible for precisely pressing the pads against the disc, thus effectively reducing speed. The OEM construction ensures:

• compatibility with the factory Mercedes W205 brake system,
• proper guidance of brake pads,
• correct operation of the caliper piston and mechanism,
• stable mounting to the steering knuckle or mounting bracket.

A used brake caliper of this type is a good choice for accident repairs, replacing a unilaterally damaged caliper, or restoring proper system operation after a mechanical failure.

Benefits of Using an Original Mercedes Caliper

Using an original caliper in a Mercedes W205 allows for maintaining the integrity of the entire braking system. Key benefits include:

• factory fitment to the hub, disc, and brake pads,
• maintaining the braking characteristics intended by the manufacturer,
• reducing the risk of installation problems compared to random aftermarket replacements,
• economical repair possibility through the use of a pre-owned part.

For workshops and individual users, this means shorter installation times, predictable service results, and easier diagnosis of potential future faults.

Selection and Safety When Purchasing a Used Caliper

When choosing a used brake caliper, it is crucial to ensure it matches the specific vehicle version and to verify its compatibility with the OEM part number and interchangeable numbers, which are detailed in the technical specifications. Proper selection of the component directly impacts driving safety, braking effectiveness, and even wear of pads and discs.

If you want to deepen your knowledge on safely selecting used brake system components, consult the guide: Used Brake System: How to Safely Choose Discs, Calipers, and ABS?. The article contains a practical checklist useful for both mechanics and informed drivers.

Expanding the Mercedes Braking System

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

This allows you to select a cohesive set of components in one place, simplifying service planning and ensuring the technical compatibility of the entire braking system.