Mercedes W176 W246 Vacuum Hose Brake Servo Pipe Line A2464300529

Mercedes W176 W246 Vacuum Hose Brake Servo Pipe Line is an original brake system component from the Lines, hoses and pipes group, designed for use in the brand's compact models. This used component allows for an economical yet technically correct repair of the brake servo vacuum circuit, while maintaining the factory operating characteristics of the brake pedal.

Specifications and technical data

• SKU: A2464300529
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464300529
• Substitutable numbers: A2464300529, A 246 430 05 29
• Category: Hoses, Lines & Pipes

Function and role of the brake servo vacuum hose

The vacuum hose in the brake servo system is responsible for the stable transmission of vacuum from the supply system to the brake booster. A correctly selected and airtight hose:

• ensures predictable braking force with every press of the brake pedal,
• reduces the risk of a decrease in braking efficiency resulting from leaks,
• maintains proper operating conditions for the servo across various engine load ranges.

Thanks to the use of a dedicated hose for a specific generation of Mercedes vehicles, the brake system retains parameters close to factory specifications, without the need for universal solutions with uncertain fitment.

Construction and fitment to the Mercedes brake system

The presented vacuum hose has been designed as a component structurally compatible with the Mercedes brake system from the W176 and W246 family. Properly formed hose sections and factory connection ends:

• facilitate installation at the original mounting points,
• minimize stress and twisting of the hose during operation,
• reduce the risk of rubbing against adjacent engine bay components.

Such fitment translates into stable operation of the vacuum system and reduces the probability of further service interventions shortly after replacement.

Benefits of using an original used hose

Choosing a used vacuum hose for the Mercedes brake servo allows you to combine reasonable repair costs with the preservation of the manufacturer's original specifications. In practice, this means:

• maintaining the factory routing geometry of the hose in the engine bay,
• compatibility with standard brackets, clamps, and connectors,
• no need for installation modifications or the use of additional adapters.

For workshops and individual users, this is a solution that allows for efficient and predictable brake system repair without experimenting with aftermarket replacements of unknown quality.

Application in service practice

Replacement of the brake servo vacuum hose is recommended if you notice:

• cracks, abrasions, or signs of material aging,
• leaks manifesting as a hard brake pedal,
• problems with maintaining constant assistance during repeated braking.

A properly selected hose from the Lines, hoses and pipes group allows for the restoration of proper servo operating conditions, which directly affects driving safety and the comfort of operating the brake system.

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

Additional technical and operational information

When installing the brake servo vacuum hose, it is worth paying attention to:

• correct positioning of the hose relative to hot and moving parts,
• checking the condition of the servo connection ports and the vacuum source,
• replacing worn clamps or mounting clips with new ones.

For users interested in the broader context of drivetrain operation and the components that work with them, information on the characteristics of all-wheel drive systems and their impact on the load of auxiliary systems may be useful – more on this topic can be found in the article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW.

Summary

Mercedes W176 W246 Vacuum Hose Brake Servo Pipe Line is a practical solution for drivers and workshops that want to restore proper brake booster operation while maintaining the manufacturer's original design concept. The used, original hose from the Lines, hoses and pipes group is a reasonable choice wherever technical correctness, predictable fitment, and stable brake system operation in daily use are important.