Mercedes-Benz A-Class W168 ABS ESP Hydraulic Brake Pump Unit A0044310912

The MERCEDES A-Class W168 ABS ESP Brake Booster Pump is an original brake system component designed to work with the ABS and ESP systems in the A-Class W168 model. Thanks to its factory design, it ensures consistent brake hydraulics operation with the driving stability electronics, resulting in safe and predictable vehicle behavior in everyday use.

Specifications and technical data

• SKU: A0044311012
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0044310912
• Substitutable numbers: A0044310912, A 0044310912, A 004 431 09 12, A0044311012, A 0044311012, A 004 431 10 12, 0265202461, 0 265 202 461, ŁS
• Category: Other Brake Parts

Purpose and Function in the Braking System

The presented brake booster pump integrated with the ABS/ESP module has been specifically designed for the Mercedes A-Class W168. It is responsible for generating and precisely dosing pressure in the brake circuits, while simultaneously cooperating with the control unit of the anti-lock braking and driving stability systems.

In practice, this means:

• stable system pressure during emergency braking,
• correct ABS function operation during loss of traction,
• cooperation with ESP for trajectory correction,
• consistent operation with the vehicle's factory hydraulic and electrical installation.

Compatibility and OEM Identification

This part belongs to the Other category, but it is a specialized brake system sub-assembly dedicated to a specific Mercedes platform. Identification is done by the OEM part number and available replacement numbers, which facilitates selecting the correct pump for a given car, also by using service catalogs or VIN inquiries.

This allows for:

• verification of compatibility with a specific engine and equipment version,
• checking interchangeability between different factory revisions,
• reducing the risk of installing an incompatible ABS/ESP module.

Product Characteristics and Condition

The pump comes from the Mercedes offering and is a used item, which in practice means an original OEM design with preserved factory fit for the A-Class W168 braking system. This type of component is particularly valued by workshops and users who want to maintain the vehicle in a configuration close to the factory one, without interfering with the operating parameters of the safety systems.

Choosing a used ABS/ESP module with a brake booster pump can significantly reduce repair costs compared to purchasing a new unit, while maintaining the correct operating characteristics of the system.

Practical Application and Installation Advantages

Due to its factory origin, the pump is structurally prepared for installation in the original mounting points of the A-Class W168 body. The appropriate arrangement of hydraulic outlets and electrical connectors facilitates the mechanic's work and reduces replacement time.

Key benefits include:

• maintaining factory braking characteristics due to compatibility with ABS and ESP systems,
• possibility of using the existing brake line installation and wiring harness,
• no need for structural modifications in the engine bay,
• easier diagnostics using factory service testers.

Selection, Diagnostics, and Expert Knowledge

When selecting an item like an ABS/ESP brake booster pump, it is advisable to rely on the OEM number and reference numbers, as well as data from the vehicle's diagnostic computer. For more complex projects or comparisons between different model lines, expert material describing differences in powertrain and braking system designs can be helpful – for example, the article Audi RS vs Other Models – What Lies Under the Hood and Chassis? helps to better understand how manufacturers differentiate components depending on the version.

Other Products in the Category for the Mercedes Brand

If you are also looking for other items in the Other category dedicated to vehicles of this brand, check our offer for other parts and accessories in the Other category for Mercedes to select additional components for your car in one place.