Mercedes W203 W209 ABS Hydraulic Brake Pump Unit A0375453632

Mercedes W203 W209 ABS Hydraulic Brake Pump Unit is a specialized component from the ABS and ESP system category, designed for mid-range Mercedes vehicles. This used module allows for an economical yet technically sound repair of the braking system while maintaining the factory performance characteristics of the ABS. It is an ideal solution for users seeking a proven part with a design that meets the manufacturer's standards.

Specifications and technical data

• SKU: A0044316212-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0044316212
• Substitutable numbers: A0044316212, A 004 431 62 12, A0375453632, A 037 545 36 32, A0365400401, A 036 540 04 01, A0064314812, A 006 431 48 12, EM, A0064310312
• Category: ABS & Stability Hydraulic Units

Function and role of the ABS hydraulic brake pump in a Mercedes

The described ABS hydraulic brake pump is responsible for precise pressure control in the brake circuits, working in conjunction with the electronic anti-lock braking system control. In practice, this ensures stable traction during emergency braking, reduces wheel slip, and improves vehicle control in critical situations. Using an original design dedicated to the W203 and W209 series ensures proper compatibility with wheel speed sensors and other system components.

Compatibility and application in Mercedes W203 / W209 models

The pump has been designed with the braking system architecture of the W203 generation C-Class Mercedes and the W209 series coupé and convertible models in mind. As a result, the correct mounting points, hydraulic port layout, and operational logic with the factory control unit are maintained. Choosing such a component is particularly beneficial for repairs where maintaining the original vehicle configuration is desired, without the need for adaptations or modifications to the installation.

Benefits of using an original ABS pump

Using this ABS hydraulic brake pump in a Mercedes offers a number of practical benefits:

• preservation of the factory ABS system performance and driving stability,
• consistency with the vehicle's original hydraulic and electrical installation,
• reduced risk of control unit errors resulting from unsuitable replacement parts,
• possibility of economical repair through the use of a used, functional component.

For workshops and private users, this means predictable installation and easier diagnostics of potential future faults, as the operating parameters remain consistent with the manufacturer's specifications.

Characteristics of the used component

The offered pump comes from dismantling and is sold as a used part, which allows for a significant reduction in repair costs compared to a new component. This type of solution is often chosen for comprehensive brake system overhauls, where lines, calipers, or discs are replaced simultaneously and the repair budget must be kept under control. A used OEM component retains its original design and is a good choice where compliance with the vehicle's factory specification is crucial.

Installation and diagnostic tips

When replacing the ABS hydraulic brake pump in a Mercedes W203 or W209, it is worth paying attention to several technical aspects:

• thorough bleeding of the brake system after installation, following procedures for ABS systems,
• verifying the tightness of all hydraulic connections after initial braking tests,
• checking for errors in the ABS control unit after connecting the module, using an appropriate diagnostic tester,
• inspecting the condition of brake pads, discs, and lines to avoid secondary faults.

This approach allows you to fully utilize the potential of the offered pump and reduce the risk of needing further intervention in the braking system shortly after the repair.

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 control modules, wheel speed sensors, or additional stability control components, check out the available parts in the Mercedes ABS and ESP system category.

For users who are simultaneously servicing the drivetrain and want to better understand the relationship between brake operation, stability systems, and power transmission, the guide article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts, which contains practical tips on selecting and operating key components, may be helpful.