Mercedes W204 Brake Caliper Rear Left N/S Wheel Brake A2044230181

Mercedes W204 Brake Caliper Rear Left N/S Wheel Brake is an original brake system component from the Brake calipers and brackets category, designed for installation on the rear left axle of the vehicle. The product comes from a dismantling process, which allows for combining a favorable price with the preservation of factory geometry and fitment for the Mercedes W204 brake system. This is a practical solution for users and workshops that prioritize proven OEM components.

Specifications and technical data

• SKU: A2044230181-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044230181
• Substitutable numbers: A2044230181, A 204 423 01 81, A2044230194, A 204 423 01 94
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and function in the brake system

The presented caliper is dedicated for installation on the rear left side of the vehicle, where it is responsible for evenly pressing the brake pads against the disc and stabilizing braking force. A properly selected caliper ensures:

• consistent operation with other brake system components,
• correct guidance of brake pads,
• appropriate operating characteristics of the piston and caliper mechanism.

Thanks to the preservation of the manufacturer's original design, the caliper works with factory discs, pads, and brake lines intended for the Mercedes W204 platform.

Benefits of using an original used caliper

Using an original, used brake caliper in a Mercedes W204 allows for maintaining the consistency of the entire brake system without the need to resort to replacements with uncertain parameters. The main advantages of such a solution include:

• factory fitment to the hub, carrier, and other mounting elements,
• preservation of the manufacturer-intended braking performance on the rear axle,
• possibility of economical repair while maintaining the OEM standard.

For workshops and users, this means a lower risk of problems with installation, play, or uneven pad wear, as well as easier diagnostics in the event of further service work.

Application in service and brake system modernization

This brake caliper will prove useful both for the standard replacement of a worn-out part and for broader modernization of the rear axle, e.g., after a collision or during comprehensive brake service. Thanks to its precise fitment to the Mercedes W204 platform, the mechanic can focus on correct installation and bleeding of the system, without the need to modify mounts or lines.

In practice, this means:

• shorter working time in the workshop,
• easier inspection of pad and disc condition after installation,
• consistency with the manufacturer's factory service procedures.

Part selection and repair cost optimization

To correctly select a caliper for a specific version of the Mercedes W204, it is worth paying attention to the manufacturer's markings and the placement on the vehicle. This product features both the OEM part number and interchangeable numbers, which facilitates verification of compatibility with service catalogs and part selection systems.

If you want to better understand how to safely use dismantled parts and how to reduce brake service costs, read the article: Brake calipers under the microscope – how to choose original used brake system components.

Expanding brake service in a Mercedes

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

Summary

Mercedes W204 Brake Caliper Rear Left N/S Wheel Brake is a practical choice for drivers and workshops that want to restore full brake system efficiency while maintaining the OEM standard. The original design, dedicated placement on the rear left axle, and the possibility of verification via manufacturer numbers make it a technically consistent, economical, and easy-to-install solution.