Mercedes W204 W212 Brake Caliper Rear Left N/S Wheel Brake Unit A2044230181

Mercedes W204 W212 Brake Caliper Rear Left N/S Wheel Brake Unit is an original braking system component designed for installation on the rear left axle of selected Mercedes mid-size models. As a product from the Brake Calipers and Brackets category, it ensures structural consistency with the factory braking system, which translates into predictable vehicle behavior during braking. By adhering to the manufacturer's specifications, this is a particularly beneficial solution for rear axle maintenance.

Specifications and technical data

• SKU: A2044230181-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044230181
• Substitutable numbers: A2044230181, A 204 423 01 81, A2044230194, A 204 423 01 94, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented unit is dedicated for installation on the rear left side of the vehicle, which is crucial for the correct distribution of braking forces. Using the correct component on the appropriate side of the rear axle allows for maintaining even system operation and vehicle stability during intense braking, even when fully loaded.

Proper fitment to the specific position on the vehicle minimizes the risk of vibrations, uneven brake pad wear, and unwanted noises, which is particularly important in Mercedes-class cars, where high standards of braking system performance are expected.

Technical characteristics and compatibility

The brake unit has been designed to work with the factory calipers and brackets used in the W204 and W212 platforms. The use of original geometry and properly selected operating parameters promotes the maintenance of the correct contact surface with the brake pad, which translates into a stable friction coefficient and predictable braking efficiency.

The component has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for a specific equipment variant. This allows a mechanic or service advisor to quickly verify compatibility with a given vehicle, reducing the risk of installation errors.

Benefits of using an original brake unit

Using a unit from the Brake Calipers and Brackets group dedicated to Mercedes allows for maintaining the consistency of the entire braking system. The main advantages of this solution include:

• maintaining the factory braking characteristics of the rear axle,
• proper cooperation with original calipers and brackets,
• easier diagnostics and service thanks to clear part identification,
• reducing the risk of premature wear of brake pads and mounting elements.

The product is offered in a used condition, which allows for optimizing repair costs while maintaining the original manufacturer's specifications. This is a particularly attractive solution for vehicles used intensively, where both safety and service economy are important.

Professional selection and operation

To fully utilize the potential of this unit, it is recommended to install it in pairs on the axle and to check the condition of the brake pads, calipers, and mounting brackets. A consistent service approach allows for maintaining vehicle stability during braking, reducing the risk of overheating, and ensuring even wear of friction elements.

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

Technical support and cost optimization

When choosing braking system components from the secondary market, it is worth relying on reliable technical knowledge. Practical tips regarding the selection and operation of brake components can be found in the article Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven recycled parts, where issues such as safety, cost-effectiveness, and correct part identification are discussed.

If you want to analyze more broadly the differences between original parts, replacements, and used components, and better plan your repair budget, the guide Original, replacement, or used – which car parts are the most cost-effective? may also be helpful, containing practical comparisons and answers to frequently asked questions.