Mercedes W205 Vacuum Pipe Brake Booster Servo Line Hose Pipe A2054300129

Brake booster vacuum hose for Mercedes W205 is an original component of the braking system, belonging to the Hoses, pipes and tubes group. Designed specifically for Mercedes C-Class W205 models, it ensures stable vacuum supply to the brake booster, which translates into predictable brake pedal operation and safe speed reduction. A used OEM component is a sensible choice for professional repair or restoring the factory configuration of the system.

Specifications and technical data

• SKU: RHD-A2054300129
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054300129
• Substitutable numbers: A2054300129, A 205 430 01 29
• Category: Hoses, Lines & Pipes

Purpose and function in the braking system

The brake booster vacuum hose in the Mercedes W205 is responsible for transporting vacuum from the engine's supply system to the brake booster. A correctly selected component:

• ensures stable brake assist across the full range of engine loads,
• reduces the risk of brake effectiveness loss during sudden braking,
• maintains the vacuum system's seal, which affects the engine's running smoothness.

Thanks to its factory fit for the W205 platform, the hose maintains the correct routing geometry, minimizing stress and the risk of chafing during operation.

Construction and fit for Mercedes W205

The original brake booster vacuum hose for the Mercedes W205 has been designed as a component with precisely selected inner and outer diameters, allowing for the maintenance of proper vacuum flow and resistance to operating vacuum. The connectors used and the hose routing shape are consistent with the factory specification, which means:

• installation proceeds at the manufacturer-designated mounting points,
• there is no need for modifications or length adjustments of the hose,
• compatibility with the original brake booster and adjacent components is maintained.

This solution helps maintain the factory safety standard and facilitates future vehicle servicing.

Benefits of using an original hose

Using an original vacuum hose in the Mercedes W205 offers a number of practical benefits. The most important include:

• Factory fit – the hose has been developed specifically for the W205 engine bay geometry, eliminating the problem of collisions with other components.
• Stable brake assist – proper sealing and hose cross-section contribute to repeatable booster operation, improving brake pedal feel.
• Consistency with the Hoses, pipes and tubes system – the component integrates into the original installation architecture, facilitating diagnostics and potential future repairs.
• Economical repair option – a used component allows for restoring correct system operation without the need to invest in a complete system overhaul.

Condition, verification, and service application

The offered brake booster vacuum hose is a used component, making it an attractive solution for operational repairs and restoring vehicle functionality after a braking system failure. This type of component is worth using wherever maintaining the original manufacturer's specification and a reliable fit for a specific model are crucial.

Before installation, a standard check of the vacuum system's seal is recommended, along with an assessment of the condition of other components in the Hoses, pipes and tubes group, to avoid secondary leaks and ensure a consistent service outcome.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other components from the same group, such as vacuum hoses, flexible hoses, or rigid pipes for carrying working medium, check the available parts in the Mercedes Hoses, pipes and tubes category.

If you are considering broader vehicle modifications and want to consciously select used components, an article describing a practical approach to selecting such parts may be helpful – you can find it here: Best used parts for tuning your car.