Mercedes W204 Brake Pump ABS ESP Hydraulic Control Unit A2044312512 A2045455432

Mercedes W204 Brake Pump ABS ESP Hydraulic Control Unit is an advanced hydraulic control module responsible for precise brake pressure regulation and integration with vehicle stability control systems. This solution is dedicated to Mercedes W204 class models, ensuring consistent ABS and ESP system performance and improved safety in daily operation. By using an original module from the ABS and ESP System group, compatibility with the vehicle's factory electronics is maintained.

Specifications and technical data

• SKU: A2044312512
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044312512
• Substitutable numbers: A2044312512, A 204 431 25 12, A2045455432, A 204 545 54 32, KD
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The hydraulic ABS ESP control unit in the Mercedes W204 is responsible for dynamic management of pressure in the brake lines, working in conjunction with wheel speed sensors and the vehicle's control unit. In emergency braking situations or loss of traction, the module limits wheel lock-up, stabilizes the vehicle's path, and assists the driver in maintaining control of the car.

This component is crucial for:

• clearing errors related to ABS or ESP operation,
• restoring the proper functioning of active safety systems,
• repairs following collisions or brake system failures.

Benefits of using the original module

Using an original ABS ESP pump dedicated to the Mercedes W204 allows for the preservation of factory brake system performance parameters. The module is designed to work with the vehicle's electronics, which reduces the risk of CAN bus communication issues and minimizes the need for additional installation modifications.

Key advantages include:

• Factory fitment to the electrical and hydraulic architecture of the Mercedes W204.
• Stable cooperation with driver assistance systems such as ABS and ESP.
• The ability to restore full system functionality without interfering with the vehicle's construction.

Characteristics and condition of the component

The offered module comes from the ABS and ESP System group and is intended for installation in Mercedes vehicles. The product is used, which allows for economical repair while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform standard service procedures, such as bleeding the brake system and verifying line tightness.

Thanks to the preservation of the factory design, it is possible to use diagnostic procedures known from Mercedes service centers, including system adaptation and bleeding using a diagnostic tester.

Installation and operational tips

When replacing the ABS ESP pump in a Mercedes W204, it is worth paying attention to:

• correct connection of brake lines according to the markings on the module body,
• proper fastening of electrical connectors and checking their condition,
• performing the bleeding and adaptation procedure using appropriate diagnostic equipment.

A replacement performed in this manner allows for stable operation of ABS and ESP systems, reduction of error messages on the dashboard, and restoration of predictable vehicle behavior during braking and emergency maneuvers.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as pumps, control modules, or hydraulic blocks, check the available parts in the ABS and ESP System Mercedes category.

Brake system safety and vehicle condition

A functional ABS and ESP system has a direct impact on driving safety, much like a properly operating engine cooling system or other key vehicle systems. For a better understanding of the relationship between component condition and engine durability as well as overall vehicle reliability, it is worth reading the article: Engine cooling system – overheating, repair, and used radiators.

Summary

Mercedes W204 Brake Pump ABS ESP Hydraulic Control Unit is a solution intended for users who want to restore full functionality of safety systems in their vehicle while maintaining factory performance parameters. Choosing an original module from the ABS and ESP System group allows for a technically correct repair, reduces the risk of compatibility issues, and provides a solid foundation for further professional vehicle maintenance.