Mercedes W177 W247 Brake Pump ESP ABS Hydro Braking Control Unit A1779003307

Mercedes W177 W247 Brake Pump ESP ABS Hydro Braking Control Unit is an original safety system component designed for Mercedes compact models. Using a factory-spec ESP/ABS module ensures that the braking system and vehicle stability parameters are maintained, resulting in predictable vehicle behavior in emergency situations.

Specifications and technical data

• SKU: A1779003307
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779003307
• Substitutable numbers: A1779003307, A 177 900 33 07
• Category: Other Brake Parts

Technical characteristics and vehicle function

The presented brake pump integrated with the ESP/ABS system is responsible for precise pressure distribution in the brake circuits and for executing vehicle stability control functions. The module communicates with wheel speed sensors, the body control unit, and the drivetrain, enabling features such as traction control, anti-lock braking, and active slip correction.

Thanks to a design that meets Mercedes factory standards, the pump maintains the correct operating characteristics, which is crucial for the proper functioning of driver assistance systems. Using an original component reduces the risk of communication errors within the vehicle's network and problems with safety system calibration.

Application and compatibility in Mercedes W177 / W247 models

This element was designed for the platform used in compact class models such as the W177 and W247, where the braking system and electronic stability systems are tightly integrated. Replacing the ESP/ABS pump with an original module allows for the restoration of proper functionality for features such as:

• slip control during heavy braking,
• vehicle stability control during sudden maneuvers,
• even distribution of braking force between axles,
• cooperation with driver assistance systems.

Selecting the correct module for a specific vehicle configuration is important for safety and proper interaction with onboard electronics, which is why it is recommended to use parts from the same model family.

Condition, benefits of installation, and service aspects

The ESP/ABS brake pump is offered in used condition, which provides a cost-effective solution while maintaining original manufacturing quality. Compared to aftermarket replacements, the factory module ensures consistency of operating parameters with the vehicle manufacturer's specifications, which is significant for diagnostics, adaptation, and subsequent operation.

The main advantages of using an original ESP/ABS pump include:

• preservation of the factory braking system operating characteristics,
• better integration with the existing electrical installation and control units,
• reduction of the risk of errors appearing in safety systems,
• possibility of proper diagnostics using standard service tools.

Safety, quality, and selecting the right part

The braking system and the ESP/ABS system are among the most important areas affecting driving safety, which is why it is worth choosing an original Mercedes component when replacing the module. A properly selected ESP/ABS brake pump helps maintain vehicle stability in critical road situations and ensures predictable car behavior during daily use.

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 additional electronic sub-assemblies, check the available parts in the Other Mercedes category.

More knowledge about parts and braking systems

To compare solutions used in different brands and vehicle segments, including advanced braking and chassis systems, it is worth reading the analysis of sports designs – you can find it in the article Audi RS vs other models – what is hidden under the hood and chassis?, where differences in the construction of brakes and stabilizing elements are discussed.

If you are considering a broader replacement of components in your car and want to better understand the specifics of the second-hand parts market, our guide to the aftermarket may be helpful: The best used car parts – a guide to the most frequently chosen original parts, which discusses the practical aspects of selecting used elements for popular brands.