Brake Pump Mercedes W211 CLS C219 Hydraulic ABS Control Unit Module A2114312812

Brake Pump Mercedes W211 CLS C219 Hydraulic ABS Control Unit Module is a specialized component from the ABS and ESP system category, designed for high-end Mercedes vehicles. Using an original hydraulic-electronic module helps maintain driving stability, braking efficiency, and proper integration with the vehicle's safety systems.

Specifications and technical data

• SKU: A2114312812
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114312812
• Substitutable numbers: A2114312812, A 211 431 28 12, 0130108129, 0 130 108 129, 0265960321, 0 265 960 321
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The ABS pump with an integrated control unit is responsible for precise control of pressure in the brake circuits and interaction with the electronic stability program. In Mercedes W211 and CLS C219 models, this component monitors the operation of wheel speed sensors, hydraulic valves, and the pump to reduce wheel slip during braking and support the driver in emergency situations.

By using an original component, proper communication with the vehicle's bus is maintained, ensuring correct operation of dashboard warning lights and consistency with factory ABS and ESP system algorithms.

Benefits of using an original ABS pump

Using this ABS pump in a Mercedes ensures:

• preservation of factory operating parameters for the braking and stability control system,
• proper cooperation with vehicle electronics and driver assistance systems,
• consistency with the control unit software used in the given generation of Mercedes,
• possibility of diagnostics using standard service tools.

For workshops and users, this means easier configuration, predictable vehicle behavior, and reduced risk of communication errors between modules.

Component characteristics and installation

The presented ABS pump with control unit is an integrated component, combining the hydraulic part with the electronic module. This design facilitates the replacement of the entire assembly in a single service operation, without the need to separate the sub-assemblies. The product comes from a Mercedes vehicle and is matched to the braking system architecture used in the W211 and CLS C219 series.

Before installation, it is recommended to perform a full diagnostic of the braking system, check the electrical wiring, and bleed the circuits after replacement. Properly performed installation allows for the restoration of correct ABS and ESP system operation, eliminating error messages on the dashboard.

Condition and service application

The item comes from the secondary market and is marked as used, which provides a cost-effective solution while maintaining the manufacturer's original specifications. This type of component is often chosen by professional workshops specializing in the Mercedes brand when it is necessary to replace the complete pump and control unit assembly without interfering with the software of other modules.

Thanks to the preservation of the original design, it is possible to use standard adaptation and bleeding procedures provided by the vehicle manufacturer, which shortens repair time and facilitates quality control of the work performed.

Selection and compatibility

When selecting an ABS pump for a Mercedes W211 or CLS C219, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle's specifications. In this product, this information is gathered in the technical specifications section, which facilitates verification of compatibility with a specific engine version and equipment level of the car. For certainty, it is additionally recommended to check the fitment by VIN in service documentation or manufacturer catalogs.

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, pumps, or wheel speed sensors, check the available parts in the ABS and ESP System Mercedes category.

For a better understanding of how safety systems work with the vehicle steering system and the impact of electronics on car stability, it is worth reading the guide article Steering system and power steering – how it works and what breaks?, which helps to look at diagnostics and repairs in a holistic way.