Mercedes W211 W219 Hydraulic Pump ABS Brake Control Unit Module A2114313712

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 W219 Hydraulic Pump ABS Brake Control Unit Module is an advanced component from the ABS and ESP system group, responsible for precise brake pressure control and vehicle stability. This complete hydraulic-electronic assembly ensures proper cooperation between wheel speed sensors, the braking system, and safety systems, restoring the vehicle's full ABS and ESP functionality.

Specifications and technical data

• SKU: A2114313712-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114313712
• Substitutable numbers: A2114313712, A 211 431 37 12, 0 130 108 129, 0130108129, 0 265 250 305, 0265250305
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented hydraulic pump assembly with an ABS control module has been designed specifically for the Mercedes E-Class W211 and CLS W219 models. It is responsible for the dynamic distribution of pressure in the brake circuits, which enables the effective operation of anti-lock braking systems and vehicle stabilization in emergency situations. This allows the driver to maintain better control over the car during hard braking, on slippery surfaces, or during sudden maneuvers.

The control module integrated with the hydraulic block analyzes signals from sensors and controls the valves and pump in real-time, ensuring a smooth and predictable response of the braking system. A properly selected and functional component of this type is crucial for maintaining vehicle stability and the correct operation of driver assistance systems.

Advantages of using an original Mercedes module

The original ABS pump assembly with a control module dedicated to Mercedes guarantees a proper fit to the vehicle's electrical and hydraulic installation, without the need for modifications or adaptations. Compatibility with the factory controller software is maintained, which facilitates diagnostics, system bleeding, and potential coding using professional service testers.

The most important benefits include:

• factory geometry of hydraulic connections and electrical connectors,
• consistency with the vehicle's electronic architecture,
• stable ABS and ESP system performance after correct installation,
• reduced risk of communication errors between controllers.

Thanks to this, replacing a damaged assembly with an original part from dismantling allows for restoring the correct operation of safety systems without interfering with the vehicle's construction.

Characteristics and condition of the component

The offered hydraulic pump assembly with an ABS control module comes from dismantling and is marked as a used part. This type of component is a particularly attractive solution for repairs where maintaining the original manufacturer's specification while optimizing service costs is important. Using a used, original subassembly allows you to avoid problems typical of cheap replacements with uncertain parameters.

Before installation, it is recommended to perform standard service procedures, such as checking the tightness of hydraulic connections, properly bleeding the brake system, and verifying any errors in the controller memory using an appropriate diagnostic tester.

Professional installation and diagnostics

Due to the importance of the ABS and ESP system for driving safety, the installation of such an assembly should be entrusted to a workshop with experience in working with Mercedes vehicles. Proper installation includes:

• mechanical installation of the hydraulic block in the engine compartment,
• connecting brake lines while maintaining system cleanliness,
• connecting the electrical harness to the control module,
• bleeding the brake system according to the service procedure,
• checking the operation of the ABS and ESP system during a test drive.

Such a replacement allows for the safe restoration of full functionality of the braking system and stability control, which has a direct impact on the comfort and safety of using the vehicle.

ABS and ESP system in Mercedes – expansion and selection of elements

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 additional control modules, hydraulic pumps, or wheel speed sensors, check the available parts in the Mercedes ABS and ESP system category.

For users who want to better understand why original subassemblies from dismantling are a reasonable choice for safety system repairs, we recommend an article describing the importance of OEM parts and their impact on repair durability – more information can be found in the material on the quality and safety of used original car parts.

If you are interested in a broader context of using subassemblies from dismantling in vehicle modification projects, including mechanical and visual tuning, it is also worth reading the guide on tuning using certified parts from dismantling, which shows how to consciously combine savings with maintaining safety standards.