Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit A1779004516 A1779014907

Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit is a precision component from the ABS and ESP system group, responsible for vehicle stability control and braking force management in critical road situations. Using an original hydraulic unit ensures the consistency of active safety systems and allows for professional system repair without compromising on quality.

Specifications and technical data

• SKU: A1779004516
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779004516
• Substitutable numbers: A1779004516, A 177 900 45 16
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented Mercedes W177 Brake Pump ESP ABS Hydraulic Control Unit is a key element controlling pressure in the brake circuits, working in conjunction with the electronic stability program and the anti-lock braking system. It is responsible for rapid pressure modulation, slip reduction, and maintaining traction during emergency braking or evasive maneuvers.

Thanks to its factory design intended for the Mercedes W177 class, the module maintains proper operating parameters, which translates into predictable ESP and ABS system performance, improved vehicle control, and reduced risk of increased braking distance.

Benefits of using an original hydraulic module

Using an original component from the ABS and ESP system group ensures:

• preservation of factory performance characteristics of safety systems,
• proper cooperation with the existing electrical installation and vehicle control units,
• stable operating parameters across a wide range of road conditions,
• reduction of diagnostic errors associated with unsuitable aftermarket replacements.

This solution is particularly recommended for professional brake system repairs, where operational repeatability and compliance with the manufacturer's factory specifications are essential.

Installation and operational characteristics

The ESP/ABS pump module is designed as an integrated component, which facilitates its replacement in workshop conditions. The design allows for compatibility with factory brake lines and the vehicle's electrical harness, minimizing the need for additional modifications. With proper installation and bleeding of the brake system, it is possible to restore full functionality of the stabilization and anti-lock systems.

The product comes from the used original parts segment, which allows for cost-effective repair while maintaining a high level of fitment for the specific configuration of the Mercedes W177.

Selecting components from the ABS and ESP system group for Mercedes

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 wheel speed sensors, brake lines, or additional control modules, check the available parts in the ABS and ESP system Mercedes category.

Technical support and knowledge about vehicle systems

When working with advanced safety systems, it is worth understanding the relationships between the braking system, vehicle stability control, and vehicle steering. To deepen your knowledge on how these components work with the vehicle's steering system, the article Steering system and power steering – how it works and what fails? will be helpful, as it discusses practical aspects of diagnostics and operation of key components.

For users considering the installation of original aftermarket components, the guide Used car parts: Myths and facts you need to know may also be useful, explaining how to consciously choose used components and what to look for when selecting them.