Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit A1729014000 A1724314212

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit is a complete hydraulic braking unit designed for the electronic stability program and anti-lock braking system in Mercedes vehicles. This component is responsible for precise pressure distribution in the brake circuits, working in conjunction with ABS and ESP electronics, which directly impacts safety and predictable vehicle handling on the road.

Specifications and technical data

• SKU: A1729014000-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729014000
• Substitutable numbers: A1729014000, A 172 901 40 00, A1724314212, A 172 431 42 12
• Category: ABS & Stability Hydraulic Units

Purpose and function in the ABS and ESP system

The hydraulic braking unit in the Mercedes W204 model is a key component of the ABS and ESP System category, responsible for rapid and repeatable pressure build-up and reduction in brake lines. It works with wheel speed sensors and the control module, enabling:

• precise operation of the ABS system during emergency braking,
• stability control as part of the ESP function during loss of traction,
• even distribution of braking force between individual wheels.

As a result, the driver receives a predictable response from the braking system, which is particularly important during dynamic driving and in emergency situations.

Application in Mercedes vehicles

The offered Mercedes W204 Brake Pump ABS ESP Hydraulic Braking Unit has been designed specifically for the Mercedes W204 platform, maintaining factory installation standards and operating parameters. This means that with proper selection according to the OEM part number and interchangeable numbers, it is possible to maintain the original braking system performance characteristics without the need for installation modifications.

The hydraulic unit is structurally prepared to work with the factory safety system controller, which allows for the maintenance of full functionality of driver assistance systems.

Product characteristics and installation benefits

The presented element comes from the Mercedes range, which translates into compatibility with the factory braking system architecture. Using an original hydraulic unit allows you to:

• maintain the consistency of ABS and ESP operating parameters with the manufacturer's specifications,
• minimize the risk of communication errors with the vehicle's electronics,
• reduce the time required for installation thanks to the fitment for standard mounts and lines.

The used condition means that the part comes from dismantling, which, with proper technical verification, allows for an economical repair of the braking system while maintaining the original design specification.

Professional selection and integration with the drivetrain

When replacing the ABS ESP hydraulic unit in a Mercedes W204, it is crucial to match the component to the specific vehicle version, including the drivetrain configuration and the driver assistance systems used. It is worth paying attention to the compatibility of the OEM part number and available interchangeable numbers to avoid problems with adaptation and communication with the control module.

For users who are simultaneously servicing other components related to the drivetrain, a guide on diagnostics and selection of drivetrain components may be helpful – a detailed discussion can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts, where, among other things, the principles of combining used components with the existing vehicle configuration are described.

Expansion and service of the Mercedes ABS and ESP System

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 Mercedes ABS and ESP System category.

Choosing original, used components from this group allows for maintaining the consistency of the entire system, which translates into stable operation of ABS and ESP functions and predictable vehicle behavior in varied road conditions.