Mercedes W211 Brake Pump ABS ESC Hydraulic Unit Module A2114311212

Mercedes W211 Brake Pump ABS ESC Hydraulic Unit Module is an original component from the ABS and ESP System group, designed for Mercedes E-Class W211 generation vehicles. This OEM solution ensures proper compatibility with the vehicle's factory electronics, stabilizing the operation of the braking system as well as traction and stability control systems.

Specifications and technical data

• SKU: A2114312012-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114312012
• Substitutable numbers: A2114312012, A 211 431 20 12
• Category: ABS & Stability Hydraulic Units

Function and role in the braking system

The brake pump integrated with the ABS/ESC module is responsible for generating and precisely metering pressure in the brake circuits, while simultaneously providing rapid pressure control to individual wheels during ABS and ESC interventions. In practice, this means:

• more effective emergency braking on surfaces with varying grip,
• more stable vehicle behavior during sudden maneuvers,
• proper cooperation with wheel speed sensors and the brake system controller.

Thanks to its factory design, the pump maintains correct operating parameters, which is crucial for driving safety and the proper functioning of electronic driver assistance systems.

Compatibility and integration with Mercedes W211 electronics

The component was designed specifically for the Mercedes W211 platform, ensuring a perfect fit for the vehicle's electrical and hydraulic architecture. The ABS and ESC system in this model requires compatibility with factory controls, which is why using an original pump minimizes the risk of communication errors with other modules and reduces the need for additional adaptations.

In practice, this means:

• proper cooperation with the brake control unit,
• preservation of factory ABS and ESC operating strategies,
• easier computer diagnostics after installation.

Characteristics of the used component

The offered Mercedes W211 Brake Pump ABS ESC Hydraulic Unit Module comes from a used vehicle, which allows for an economical repair of the braking system while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for older vehicle generations, where both technical compatibility and reasonable service costs are important.

Choosing an original dismantled component allows you to maintain the consistency of the braking system with other sub-assemblies, which is essential for the stable operation of active safety systems.

Mercedes ABS and ESP system – expansion and service

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 hydraulic lines, check out the available parts in the Mercedes ABS and ESP System category.

Technical support and service knowledge

When performing service work on safety systems, it is also worth ensuring the proper condition of other vehicle systems, including the cooling system, which affects the stability of the engine and electronics. To better plan your service maintenance and optimize costs, check out our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, where you will find practical tips on the operation and selection of used components.