Mercedes W211 C219 Vacuum Pipe Brake Booster Servo Line Hose A2114207426

Mercedes W211 C219 Vacuum Pipe Brake Booster Servo Line Hose is an original brake system component, belonging to the Lines, hoses and pipes group. Designed specifically for the Mercedes E-Class W211 and CLS C219 models, it ensures stable vacuum delivery to the brake booster and supports the proper operation of the braking system. A used OEM part is a sensible choice for professional repairs when you prioritize factory fitment and predictable vehicle performance.

Specifications and technical data

• SKU: A2114207426
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2114207426
• Substitutable numbers: A2114207426, A 211 420 74 26
• Category: Hoses, Lines & Pipes

Purpose and function in the brake system

This vacuum pipe is responsible for a secure and airtight connection between the vacuum source and the brake booster. A properly functioning vacuum line:

• ensures stable brake assistance under various engine loads,
• reduces the risk of a drop in braking efficiency during sudden braking,
• maintains correct operating pressure in the brake booster.

Thanks to a design compliant with Mercedes factory standards, the pipe maintains the correct routing geometry in the engine bay, which minimizes stress and the risk of abrasion.

Construction and fitment for Mercedes W211 / C219

The pipe has been designed as an OEM component for specific Mercedes models, which translates into:

• precise fitment to mounting points on the body and engine accessories,
• appropriately selected pipe diameter and rigidity,
• compatibility with factory brake system connectors.

This solution facilitates installation and allows for maintaining the original routing under the hood, without the need for modifications or the use of adapters. This is particularly important in vehicles where maintaining the factory brake system configuration is a priority.

Condition, verification and service application

The item comes from dismantling and has the status of a used OEM pipe, which in practice means the preservation of original geometry and compatibility with the factory brake booster. This type of part is suitable for:

• repairing leaks in the brake booster vacuum system,
• restoring brake system efficiency after a pipe failure,
• servicing vehicles where the priority is to maintain original design solutions.

Choosing an original pipe from the Lines, hoses and pipes group allows you to reduce the risk of fitment issues typical of universal aftermarket replacements.

Benefits of using an original vacuum pipe

By using this pipe in a Mercedes W211 or C219, you gain a number of practical service benefits:

• Factory fitment – the pipe is designed for a specific platform, which facilitates installation and reduces workshop labor time.
• Brake system consistency – maintaining the original pipe routing promotes stable brake booster operation.
• Reasonable repair cost – a used OEM component often represents a favorable compromise between price, quality, and durability.

This solution is recommended both for workshops specializing in the Mercedes brand and for conscious users who want to keep their vehicle in a configuration close to factory specifications.

Related system components and further upgrades

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

If you are interested in a broader context of using used parts in the automotive industry and want to better understand when choosing dismantled components is technically justified, it is worth reading the article Volkswagen – solidity and reliability. Why are used VW parts a sensible choice?, which discusses the practical aspects of selecting and installing used components.