Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A2044316912 A1729014100

Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit is a key component of the electronic stability and braking system in Mercedes vehicles, responsible for precise pressure control in the brake circuits. The offered module from the ABS and ESP System group ensures seamless integration with the vehicle's factory electronics, supporting safe emergency braking and vehicle stability in challenging road conditions.

Specifications and technical data

• SKU: A2044316912
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044316912
• Substitutable numbers: A2044316912, A 204 431 69 12, A1729014100, A 172 901 41 00
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit is responsible for generating and modulating pressure in the braking system, which is then dynamically corrected by the ABS and ESP systems. This allows for the reduction of wheel slip during sudden braking and active correction of the driving path when traction is lost, which translates into stable vehicle handling.

This component works in conjunction with wheel speed sensors, the stability control module, and the hydraulic system, forming a coherent, technologically advanced active safety system. Using an original component from the ABS and ESP System group allows for maintaining factory operating parameters and proper communication with the vehicle's bus.

Benefits of using an original ABS ESP pump

Using an original Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit is a solution that allows for maintaining the integrity of the entire braking system and electronic assistance systems. In practice, this means:

• proper ABS system response during sudden braking,
• effective ESP operation during evasive maneuvers and driving on slippery surfaces,
• stable pressure in the brake circuits, matched to the vehicle's characteristics,
• preservation of the factory operating parameters of the safety system.

Choosing a used, original component allows for a technically correct repair without the need to interfere with software or adapt non-factory solutions, which is particularly important in modern vehicles with extensive electronics.

Component condition and installation aspects

The offered Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit is an aftermarket component, which allows for an economical yet technically correct repair of the braking system. Before installation, it is recommended to perform a standard verification of the electrical installation, brake lines, and bleed the system according to the vehicle manufacturer's procedures.

Due to the complex interaction with the vehicle's electronics, installation should be entrusted to a workshop with experience in ABS and ESP systems in Mercedes cars. Properly performed installation and post-installation diagnostics allow for restoring full functionality of the safety systems without the need for additional mechanical modifications.

Part selection by numbers and integration with the vehicle system

The Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit belongs to a group of components where precise selection based on part numbers and compatibility with a specific vehicle configuration is crucial. In practice, this means matching the body version, the braking system used, and the control electronics. Proper selection ensures correct communication with control modules and eliminates the risk of errors in the ABS/ESP system.

In case of doubt during selection, it is worth using the OEM part number or interchangeable numbers visible in the technical specification, which facilitates matching the component to a specific vehicle and minimizes the risk of incompatibility.

Safety system expansion and additional materials

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 control modules, wheel speed sensors, or pressure lines, check the available parts in the ABS and ESP System Mercedes category.

For users interested in a broader look at how electronic stability systems work with all-wheel drive, an article comparing solutions from different manufacturers may be helpful – a detailed discussion can be found in the material xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW, where, among other things, the operating characteristics of traction assistance systems and the importance of original components are described.