Mercedes GLA X156 ABS Hydraulic Brake Pump Control Module A0004314000

Mercedes GLA X156 ABS Hydraulic Brake Pump Control Module is an advanced safety system component responsible for precise pressure control in brake circuits and integration with ABS and ESP systems. Thanks to its factory design intended for Mercedes GLA X156 models, the module ensures consistent operation with the vehicle's electronics and stable brake system performance. It is a practical solution for users looking for a proven, original component for professional repair or replacement.

Specifications and technical data

• SKU: A0004314000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004314000
• Substitutable numbers: A0004314000, A 000 431 40 00
• Category: ABS Control Modules

Function and role of the ABS/ESP module in the Mercedes GLA X156

The presented brake pump with an ABS/ESP module plays a key role in managing brake fluid pressure and stabilizing the vehicle's trajectory. The integrated hydraulic block works with wheel speed sensors and the stability control system unit, which enables:

• precise braking force distribution to individual wheels,
• reduction of wheel slip during emergency braking,
• assistance in trajectory correction in emergency situations,
• maintenance of vehicle stability on surfaces with varying grip.

As a result, the brake system in the Mercedes GLA X156 maintains predictable, repeatable performance parameters, which translates into a higher level of safety and driving comfort.

Hydraulic construction and integration with the brake system

The brake pump integrated with the ABS/ESP module has been designed as a compact hydraulic unit that combines the functions of a classic pump and a pressure control block. This solution minimizes pressure losses in the lines and facilitates control over brake fluid flow.

In practice, this means:

• stable operating pressure in the brake circuits,
• consistent cooperation with the electronic ABS and ESP control,
• optimized system response to rapidly changing road conditions.

Such a combination of hydraulics and electronics is particularly important in modern vehicles of the Mercedes GLA X156 class, where the brake system is an integral part of driver assistance systems.

Application, fitment, and identification parameters

Mercedes GLA X156 ABS Hydraulic Brake Pump Control Module belongs to the ABS Control Units category, which means it is designed to work with the factory anti-lock braking system in Mercedes vehicles. The component has a dedicated OEM part number and assigned interchangeable numbers, which facilitates clear identification and selection of the correct component for a specific car configuration.

Verification of compatibility with the vehicle should be based on:

• manufacturer markings assigned to the module,
• vehicle model and generation (GLA X156),
• configuration of the brake system used in the specific unit.

This selection method helps reduce the risk of incompatibility and ensures proper cooperation with the existing electrical and hydraulic installation.

Performance characteristics and installation benefits

The offered item is a secondary market product, which is a cost-effective solution for users looking for an economical yet factory-matched part for their Mercedes. Using an original ABS/ESP module with a brake pump allows you to maintain:

• factory performance parameters of the brake system,
• consistent communication with other control units in the vehicle,
• proper operating characteristics of the ABS and ESP systems.

With proper installation and bleeding of the brake system, replacing the module allows for restoring full system functionality and eliminating typical symptoms of failure, such as uneven braking or ABS/ESP warning lights on the instrument cluster.

Technical support and selection of used brake system components

When choosing a used ABS/ESP module with a brake pump, it is worth following proven procedures for assessing technical condition and vehicle compatibility. Detailed tips on the safe selection of used brake system components, such as discs, calipers, or ABS controllers, can be found in the article: Second-hand brake system – how to safely choose discs, calipers, and ABS?.

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, hydraulic blocks, or anti-lock system management units, check the available parts in the Mercedes ABS Control Units category.