Vacuum Hose Mercedes W176 W246 A B Class Brake Servo Pipe Line A2464301129

The Brake Booster Vacuum Hose for Mercedes W176 W246 A-Class B-Class is an original component of the brake assist system, designed for A-Class and B-Class models. It ensures stable vacuum delivery to the brake booster, which translates to predictable, safe brake system operation and comfortable brake pedal pressure. A used OEM component is a sensible choice for drivers seeking a proven solution at an attractive price.

Specifications and technical data

• SKU: rhd-A2464301129
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464301129
• Substitutable numbers: A2464301129, A 246 430 11 29, A2464300529, A 246 430 05 29
• Category: Brake Servos

Function and Application of the Vacuum Hose

The brake booster vacuum hose is responsible for transporting vacuum from the engine to the brake booster, which amplifies the braking force. In practice, this means:

• more predictable brake pedal response,
• stable assistance under typical road conditions,
• reduced mechanical load on brake control elements.

In Mercedes A-Class and B-Class vehicles, a properly functioning vacuum hose is crucial for maintaining factory braking characteristics and compliance with the manufacturer's design parameters.

Original Origin and Compatibility with the Brake Booster System

The component comes from the Mercedes parts line, meaning it retains factory geometry, connector diameters, and fitment for engine bay sockets. Thanks to this:

• installation is done using existing mounting points,
• no modifications to the system or use of adapters are required,
• compliance with the technical category of Brake Boosters and Proportioning Valves is maintained.

The original design of the hose minimizes the risk of leaks that could affect the brake booster's operation, engine idle stability, and braking effectiveness.

Characteristics of the Used Component

The offered hose is a used component, sourced from disassembly, allowing for the combination of original manufacturing quality with a favorable purchase cost. This type of part is particularly attractive in situations where:

• the existing hose shows signs of wear, cracks, or leaks,
• a quick, economical repair of the brake assist system is necessary,
• maintaining the original manufacturer's specifications is a priority.

To maximize the potential of disassembled parts, it is worth consulting the guide how to effectively extend the lifespan of used car parts, which describes practical maintenance methods for components such as hoses, brake boosters, or engine assemblies.

Benefits of Using an Original Vacuum Hose

Using an original brake booster vacuum hose for Mercedes W176/W246 offers a range of tangible operational benefits:

• Stable Brake Assistance – maintaining the factory characteristics of the brake booster's operation.
• Precise Fitment – compatibility with mounting points and the hose routing in the engine bay.
• Reduced Risk of Leaks – proper selection of diameters and connectors.
• Economical Repair – a used OEM component as an alternative to a new part.

This solution is particularly recommended for comprehensive brake system servicing, upgrades, or replacement of the brake booster and proportioning valves, where system integrity is paramount.

Summary

The Brake Booster Vacuum Hose for Mercedes A-Class and B-Class is a technically matched, original component of the brake assist system that restores proper brake booster function and maintains factory brake pedal feel. A used OEM component offers a sensible compromise between quality and cost, especially for everyday vehicles where reliability and compliance with manufacturer solutions are important.