Vacuum Pipe Mercedes C118 W177 W247 Brake Servo Line Hose Pipe A1774300100

Mercedes Brake Booster Vacuum Hose for C118, W177, and W247 body styles is an original brake system component, specifically designed for petrol engines. As part of the Hoses, Tubes, and Lines group, it ensures a stable supply of vacuum to the brake booster, leading to predictable power brake performance and safe deceleration. A used OEM part is a sensible choice for professional repairs when you prioritize factory fit and alignment without experimenting with aftermarket alternatives.

Specifications and technical data

• SKU: rhd-A1774300100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1774300100
• Substitutable numbers: A1774300100, A 177 430 01 00
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Function and Role of the Brake Booster Vacuum Hose

The brake booster vacuum hose in petrol Mercedes models of the C118, W177, and W247 series is responsible for transferring vacuum from the intake system or vacuum pump to the brake booster. A properly functioning hose ensures:

• stable brake assist across the full range of engine loads,
• consistent brake pedal force,
• reduced risk of braking effectiveness loss during rapid acceleration,
• vacuum system integrity, which also contributes to smooth engine operation.

Thanks to its factory-matched fit to the specific engine bay architecture, the hose maintains the correct routing, minimizing stress, abrasion risk, and unwanted vibrations.

Compatibility with Mercedes Models and Petrol Systems

The offered hose is designed for Mercedes vehicles with C118, W177, and W247 body styles equipped with petrol engines. This means its diameters, length, shape, and mounting points are adapted to the factory layout of components in the engine bay of these generations.

In practice, this translates to:

• easier installation without the need for modifications,
• maintaining the original hose routing relative to other components,
• proper cooperation with the brake booster and vacuum source,
• preserving the factory operating parameters of the braking system.

Characteristics of a Used Part

The hose is offered as a used part, which, for OEM components, allows you to combine factory fit with a more favorable repair cost. Such components are often chosen for servicing vehicles several years old, where maintaining the original technical specification without excessive budget strain is a priority.

Choosing a used brake booster vacuum hose is particularly important where the following are crucial:

• maintaining the original geometry and stiffness of the hose,
• compatibility with factory connectors and brackets,
• reducing the risk of leaks resulting from imprecise aftermarket parts.

Why Choose an Original Mercedes Hose

An original Mercedes brake booster vacuum hose stands out due to its precise fit for the specific vehicle platform and seamless integration with other braking system components. Compared to universal aftermarket alternatives, it offers:

• factory-matched fit with the brake booster and vacuum source,
• predictable braking system behavior under road conditions,
• compliance with the vehicle manufacturer's design specifications.

For workshops specializing in the Mercedes brand and for discerning owners, this is a solution that facilitates maintaining the vehicle in a condition close to factory-new, without compromising braking safety.

If you are planning a comprehensive repair or upgrade of the braking system area in your Mercedes and need other parts from the same group, such as vacuum hoses, flexible hoses, or rigid brake lines, check the available parts in the Mercedes Hoses, Tubes, and Lines category.

For those interested in a broader context of selecting original components and the construction differences between model generations, an interesting addition to your knowledge might be the article Classic Mini vs. Modern MINI – How Construction Has Changed and Which Original Mini Parts Help Preserve Their Character, which illustrates the importance of using OEM parts in modern cars.