Vacuum Pump Pipe Mercedes W205 W213 C238 C253 Line Hose A2742300156

The Mercedes W205 Vacuum Hose is an original component of the vacuum system, designed for use in W205 series vehicles. Thanks to its factory geometry and fit, it ensures stable vacuum delivery to cooperating sub-assemblies, which translates to the proper operation of the engine and vacuum-controlled components. This is a solution for users who expect consistency with the original Mercedes construction and want to maintain the original operating characteristics of the system.

Specifications and technical data

• SKU: A2742300156
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742300156
• Substitutable numbers: A2742300156, A 274 230 01 56
• Category: Vacuum Pumps

Purpose and Function of the Vacuum Hose

The vacuum hose in the W205 model is responsible for the safe and sealed transmission of vacuum from the vacuum pump to actuators such as cylinders, valves, or control modules. A correctly selected hose:

• ensures proper sealing of the vacuum system,
• maintains stable vacuum levels under various engine load conditions,
• reduces the risk of power loss and unstable engine operation,
• supports the correct operation of components cooperating with the vacuum pump.

Thanks to its design consistent with factory solutions, the hose maintains appropriate stiffness and flexibility, which is important for engine vibrations and temperature changes in the engine bay.

Benefits of Using an Original Mercedes Component

Using a vacuum hose from the same design line as original Mercedes components allows for system-wide consistency. Key benefits include:

• Factory fit for the vacuum system – correct hose diameters, length, and shape facilitate installation and minimize stress.
• Compatibility with the vacuum pump and other vacuum-controlled elements in the W205.
• Reduced risk of leaks resulting from the use of universal replacements.
• Possibility of diagnosis and selection by OEM numbers and interchangeable numbers in professional catalogs.

This approach is particularly important in modern engines, where the vacuum system interacts with numerous systems responsible for driving comfort and safety.

Component Condition and Installation Aspects

The offered vacuum hose comes from the Vacuum Pumps category, meaning it is directly related to the vacuum generation and distribution system in the vehicle. As a used component, it is a solution for users who want to optimize service costs while maintaining the original design specification.

When installing, pay attention to:

• correct routing of the hose according to factory brackets and guides,
• checking the condition of spigots, connectors, and clamps,
• checking system tightness after starting the engine and performing basic diagnostics.

Selecting a hose consistent with Mercedes technical documentation simplifies servicing and helps avoid compatibility issues.

Support in Selection and System Expansion

The correct selection of a vacuum hose for a specific W205 engine version is best done based on OEM designations and interchangeable numbers, using manufacturer catalogs or specialized service tools. To better understand the relationships between engine supply and control components, it is worth familiarizing yourself with the guide material Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses, among other things, the principles of selecting components by factory numbers.

If you want to further streamline the process of selecting used parts and avoid incorrect purchases, the guide How to Professionally Select Used Car Parts Using OEM Numbers will also be helpful, containing practical tips on verifying compatibility.

Expanding the Vacuum System in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as vacuum hoses, connectors, or parts cooperating with the pump, check the available parts in the Mercedes Vacuum Pumps category.

This approach allows for the renewal of the entire vacuum system in a single service stage, which reduces the risk of future leaks and facilitates the diagnosis of potential faults in the future.