Mercedes W205 Vacuum Pipe Brake Booster Servo Line Hose Pipe A2054300129

Mercedes W205 Vacuum Pipe Brake Booster Servo Line Hose Pipe is an original brake system component belonging to the Lines, hoses and pipes group. Designed specifically for the Mercedes C-Class W205 generation, it ensures stable vacuum supply to the brake booster, which translates into predictable and safe brake pedal operation. This used OEM component is a sensible choice for professional brake system repairs where fitment and reliability are paramount.

Specifications and technical data

• SKU: RHD-A2054300129-1
• 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 brake system

The offered vacuum pipe is the connecting element between the brake booster and the vacuum generation system. Its task is to maintain airtightness and proper flow, ensuring that the brake assist functions smoothly under various engine load conditions.

Thanks to its factory-fit design for the W205 platform, the pipe maintains the correct routing geometry in the engine bay, minimizing the risk of rubbing against other components, kinking, or improper positioning. This is particularly important in modern designs where installation space is limited and the brake system must operate stably over a long service life.

Benefits of using an original pipe

Using an original vacuum pipe in a Mercedes W205 allows for maintaining brake system performance parameters in accordance with the manufacturer's specifications. In practice, this means:

• correct brake booster response to changes in pedal pressure,
• maintaining the proper level of assistance under typical road conditions,
• reducing the risk of braking efficiency loss due to leaks in the vacuum circuit,
• easier diagnostics – the component is compliant with factory service documentation.

Choosing a used, original pipe from the Lines, hoses and pipes group is also a way to optimize repair costs while maintaining a high level of safety and compatibility with other system components.

Condition, fitment, and installation

The component comes from disassembly and is offered as a used part, which allows for combining an attractive price with the preservation of the factory design. The pipe is intended for direct installation in the appropriate versions of the Mercedes W205, without the need for modifications or shape adjustments.

During replacement, it is recommended to:

• check the tightness of the entire vacuum circuit,
• inspect the condition of the connectors at the booster and the vacuum source,
• properly route the pipe in the factory brackets to avoid tension and chafing.

This approach helps restore proper brake assist operation and reduces the risk of future leaks in the system.

Technical support and part selection

When selecting a vacuum pipe for a Mercedes W205, it is crucial to rely on vehicle manufacturer data and actual part markings. An original component from the same design group guarantees compatibility with mountings, connection diameters, and the routing of the pipe in the engine bay.

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 vacuum lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes lines, hoses and pipes category.

Additionally, to better plan your repair budget and make an informed decision on when it is worth choosing proven parts from disassembly, you can use the advice contained in the article Brake calipers under the microscope – how to lower repair costs by choosing recycled parts. This is a practical supplement to your knowledge when working with the brake system in Mercedes vehicles.