Mercedes R129 W140 W202 ABS Hydraulic Brake Pump Unit Braking Module A0024319812

The Mercedes R129 W140 W202 ABS Brake Booster A0024319812 is an original brake system component from the ABS and ESP System group, designed for use in select Mercedes models. This used OEM part ensures consistency with the vehicle's factory construction, translating to stable ABS system operation and predictable vehicle behavior during braking.

Specifications and technical data

• SKU: A0024319812
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0024319812
• Substitutable numbers: A0024319812, A 002 431 98 12
• Category: ABS & Stability Hydraulic Units

Purpose and Role in the Braking System

The described ABS brake booster operates at the central point of the brake hydraulics, working in conjunction with the control module and anti-lock system sensors. It is responsible for generating and maintaining adequate pressure in the brake circuits, as well as for rapid pressure modulation during ABS intervention, which limits wheel slip and improves vehicle controllability.

In Mercedes R129, W140, and W202 series vehicles, the use of a proper ABS booster is crucial for maintaining compliance with the factory braking characteristics, braking distance, and directional stability during sudden deceleration.

Benefits of Using an Original Mercedes ABS Booster

Using an original ABS booster from the same product line as the factory part offers a range of practical benefits:

• maintaining the factory operating characteristics of the ABS and ESP system,
• compatibility with the vehicle's existing hydraulic and electrical systems,
• reducing the risk of bleeding and system adaptation issues,
• easier diagnostics in case of potential future malfunctions.

For users who wish to keep their car in a configuration close to the factory standard, choosing such a booster is a technically safe and predictable solution.

Part Condition and Installation Aspects

The booster comes from the secondary market, allowing for an economical restoration of the braking system's functionality while maintaining the original manufacturer's specifications. Before installation, the standard workshop procedure is recommended: leak testing, verification of hydraulic and electrical connections, and bleeding the entire system according to the service procedure for the specific Mercedes model.

Due to the complexity of the ABS and ESP system, it is advisable to entrust the installation to a workshop experienced in working with Mercedes vehicles, which will also facilitate potential computer adaptation and diagnostics after replacement.

Part Selection and Technical Support

To correctly select this booster for a specific vehicle instance, verify its compatibility with the car's data and part numbers in the service documentation. In case of expanding or modernizing the vehicle's systems, it is also worth paying attention to other components responsible for driving safety, such as the suspension or steering system.

For drivers interested in a broader understanding of how control elements affect vehicle handling, the article: how the steering system and power steering work, and what are the typical signs of malfunctions may be helpful. It allows for a better understanding of the relationships between the braking system, ABS, and vehicle behavior on the road.

Summary

The Mercedes R129 W140 W202 ABS Brake Booster A0024319812 is a functional solution for users who want to restore the correct operation of the ABS system in their car while maintaining the original manufacturer's specifications. A properly selected and installed booster supports stable braking, improves vehicle control in emergency situations, and provides a solid foundation for further servicing of the entire ABS and ESP System.