Mercedes V251 ABS Brake Pump Control Module A1644312912 A1645458332

Mercedes V251 ABS Brake Pump Control Module is a specialized component from the ABS and ESP system group, designed for precise control of brake system pressure and vehicle stability. The integrated hydraulic unit with an electronic module ensures the efficient operation of anti-lock braking and traction control systems, which translates into safer braking and predictable vehicle behavior on the road.

Specifications and technical data

• SKU: A1644312912
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1644312912
• Substitutable numbers: A1645458332, A 164 545 83 32, A1644312912, A 164 431 29 12
• Part type: ABS/Stability Control Hydraulic Unit
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented pump with a control module operates within the brake system, responsible for dynamic pressure regulation in the circuits and cooperation with wheel speed sensors and the electronic stability program. Thanks to this, the ABS system limits wheel locking during heavy braking, and ESP functions help maintain traction and control over the car in emergency situations. A solution of this type is particularly important in premium vehicles, where repeatable, predictable brake system response and high driving stability are expected. Using an original component from this group allows for maintaining the factory characteristics of active safety systems.

Benefits of using an original ABS/ESP module

Using a factory solution in the ABS and ESP system brings a number of practical advantages:

• maintaining operating parameters in accordance with the vehicle manufacturer's specifications,
• proper cooperation with the existing electrical installation and the car's communication network,
• stable operation of braking assistance and vehicle stability systems,
• reduction of the risk of diagnostic errors resulting from incompatible replacements. For the user, this means more predictable car behavior in critical road situations and the possibility of effective computer diagnostics in the future. In the case of safety-critical components, such as the ABS and ESP system, choosing the right module has a direct impact on driving comfort and confidence.

Product characteristics and installation

The offered element combines a hydraulic part and an electronic controller in one housing, which facilitates service and replacement in workshop conditions. This design allows for:

• consistent pressure control in brake circuits,
• integration with traction control and stability systems,
• use of factory mounting points and connections. A solution of this type is designed for specific vehicle configurations, which is why it is worth using manufacturer markings and vehicle data when selecting. This facilitates matching the module to the existing installation and minimizes the time required for installation and adaptation in the vehicle.

Condition and practical application

The product comes from disassembly and is intended for users and workshops looking for proven, original components to restore full functionality of safety systems. Choosing such a solution often allows for significantly reducing repair costs compared to new parts, while maintaining factory technical specifications. For mechanics and automotive electricians, this is a convenient base for further diagnostics – the module can be connected to a tester, coded, or adapted in accordance with the service procedures provided for a given vehicle model. 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 pumps, control modules, or hydraulic units, check the available parts in the Mercedes ABS and ESP system category. For those who want to better understand the principles of selecting and operating used electronic modules in a car, the Global Parts guide will be useful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. There you will find practical tips regarding compatibility, diagnostics, and installation of such components. If you are interested in a broader context of using parts from disassembly in vehicle modification projects, it is also worth reading the article Emotions and design – visual and mechanical tuning of a Seat using components from disassembly, which shows how to consciously combine savings with maintaining safety and quality standards.