ABS Pump Mercedes EQA C118 W247 H243 Brake Hydraulic Pump Unit A2439008800

Visual condition of the part

The product shows signs of use visible in the photos.

ABS Pump Mercedes EQA C118 W247 H243 Brake Hydraulic Pump Unit is a specialized component from the ABS and ESP System group, designed for Mercedes models from the EQA family and related body types. This used hydraulic ABS pump allows for an economical yet professional repair of the braking system while maintaining the factory performance characteristics of the safety systems.

Specifications and technical data

• SKU: A2439008800-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2439008800
• Substitutable numbers: A2439008800, A 243 900 88 00
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The described hydraulic ABS pump is responsible for precise pressure control in the brake circuits, working in conjunction with the electronic stability control system. In Mercedes EQA vehicles and structurally related models C118, W247, and H243, it is responsible for:

• controlling brake system pressure during emergency braking,
• cooperating with the anti-lock braking system (ABS),
• vehicle stabilization in critical situations, in cooperation with the ESP system,
• maintaining consistent braking characteristics under various road conditions.

By maintaining the original system architecture, installing this pump allows for the restoration of proper active safety system operation without the need for modifications to the vehicle's installation.

Benefits of using an original ABS pump

Using an original hydraulic pump in Mercedes vehicles provides a range of practical service and operational benefits. The most important include:

• Full compatibility with factory software controlling the ABS and ESP systems,
• proper fitment for the vehicle's hydraulic and electrical systems,
• preservation of the braking system performance parameters specified by the manufacturer,
• suitability for professional post-accident and maintenance repairs.

The used nature of the part allows for reduced repair costs while maintaining the high quality of workmanship typical of the Mercedes brand.

Condition, verification, and service application

The item comes from dismantling and is offered as a used part, making it an attractive solution for workshops specializing in Mercedes vehicle service and for informed users looking for technically matched components. This type of ABS pump is suitable for situations where:

• the original ABS system has suffered mechanical or electrical damage,
• it is necessary to replace the complete hydraulic unit,
• the repair aims to restore factory safety system operation without the cost of purchasing a new unit.

Thanks to the original design, it is possible to use standard installation and brake system bleeding procedures specified for the given model.

Selection by numbers and vehicle integration

The ABS pump has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection of the correct component for a specific body version and braking system. When selecting, it is recommended to:

• verify compatibility by the OEM part number,
• check the list of interchangeable numbers in the service documentation,
• compare the ABS and ESP system configuration in the specific vehicle.

This approach minimizes the risk of incompatibility and speeds up the installation and subsequent adaptation process in the vehicle.

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.

Technical support and service knowledge

When working with advanced electric and hybrid vehicle systems, such as the Mercedes EQA, a correct approach to diagnostics and component selection is crucial. For hydraulic and fuel systems, educational materials may be helpful, such as an article describing the principles of operation and selection of elements by VIN and OEM numbers – you can find them in the publication Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes the approach to part identification in modern cars.

If you are considering broader use of dismantled components in German premium brand cars, it is worth reading the guide Renovation and repair of German cars: which used parts are worth buying and which are better to avoid? to consciously plan repairs using used parts.