Mercedes W212 AMG Brake Pump ABS ESP Hydraulic Braking Control Unit A2124313912

The ABS/ESP Hydraulic Control Module for Mercedes W212 AMG is a specialized unit responsible for precise management of brake system pressure. As an original Mercedes part from the ABS and ESP control group, it ensures consistent operation of active safety systems and stable support from electronic driving assistants. A used component allows for a technically correct repair without the need to resort to unknown aftermarket replacements.

Specifications and technical data

• SKU: A2124313912
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2124313912
• Substitutable numbers: A2124313912, A 212 431 39 12, 0265960347, 0 265 96 03 47
• Category: ABS & Stability Hydraulic Units

Purpose and Function in the Vehicle

The presented brake booster with hydraulic block and ABS/ESP control is a key component responsible for:

• controlling pressure in the brake circuits during normal braking,
• stabilizing the vehicle in emergency situations through the ESP system,
• precise distribution of braking force to individual wheels,
• cooperation with electronic driver assistance systems.

Thanks to its factory design tailored to the W212 AMG platform, the module maintains compatibility with the vehicle's electrical and hydraulic architecture, facilitating diagnostics and subsequent operation.

Benefits of Using an Original ABS/ESP Module

Using an original module from the ABS and ESP System group in place of a damaged component brings tangible technical benefits:

• maintaining factory operating parameters for safety systems,
• correct cooperation with the vehicle's control unit software,
• compatibility with the hydraulic and electrical installation without modifications,
• easier calibration and adaptation using factory diagnostic tools.

A used, original component helps reduce repair costs while maintaining the high level of safety and driving comfort characteristic of the Mercedes brand.

Part Characteristics and Condition

The offered ABS/ESP unit is a used part from disassembly. This type of component is particularly attractive to users who expect:

• factory quality of workmanship typical for the Mercedes brand,
• preservation of the original braking system's operating characteristics,
• a reasonable compromise between repair cost and component durability.

The module combines a hydraulic block with control electronics, simplifying the replacement process and reducing the number of potential failure points compared to solutions based on multiple separate components.

Selection and Vehicle Integration

When selecting this ABS/ESP pump for a specific W212 AMG version, it is crucial to verify compatibility with the part number and interchangeable numbers visible in the technical specifications. This ensures:

• correct mechanical and hydraulic fit,
• compatibility with the vehicle's wiring harness and connectors,
• seamless communication with other control units in the vehicle network.

If planning a more extensive brake system repair, it is also worth considering checking other components related to ABS and ESP systems to avoid secondary failures after replacing the main module.

Used Original Mercedes Parts – More Information

If you want to better understand when choosing a used part from disassembly is technically justified, check out the article on the advantages of used original Mercedes parts from disassembly, which describes, among other things, the approach to selecting premium components. Additionally, when deciding between refurbishment and installing a used module, it's worth reading the guide comparing refurbished and used original parts, which helps choose the optimal solution in terms of durability and service costs.