Vacuum Pipe Mercedes W204 W205 W212 W213 M274 Transducer Hose Line A2740705532

The Mercedes W204 W205 W212 W213 M274 Vacuum Hose is an original component of the vacuum system from the Hoses, pipes and tubes group, designed for use in modern Mercedes M274 series powertrains. The carefully designed geometry of the hose ensures stable vacuum routing, which translates to the correct operation of vacuum-controlled components in the engine.

Specifications and technical data

• SKU: A2740705532
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740705532
• Substitutable numbers: A2740705532, A 274 070 55 32
• Category: Hoses, Lines & Pipes

Purpose and Function in the Vacuum System

The vacuum hose in the M274 engine is responsible for the safe and leak-free transmission of vacuum between control elements and receivers, such as actuators or valves. In Mercedes C-Class and E-Class models (including W204, W205, W212, W213 series), stable vacuum is crucial for the proper functioning of auxiliary systems, smooth response to load, and maintaining correct combustion parameters.

The original design of the hose ensures:

• an appropriately selected inner diameter for proper vacuum flow,
• a shape adapted for routing within the engine bay,
• connectors prepared for compatibility with factory nipples and tees.

Benefits of Using an Original Vacuum Hose

Using an original Mercedes vacuum hose allows for the preservation of the system's factory operating parameters. Compared to aftermarket alternatives with universal geometry, a dedicated hose reduces the risk of:

• leaks resulting from mismatched ends,
• mechanical stress caused by an overly short or long section,
• abrasion on adjacent components in the engine bay.

This ensures the stability of the vacuum system, and the components controlled by it operate predictably, contributing to the smooth running of the powertrain and reducing the likelihood of engine control unit errors.

Characteristics of a Used Component

The offered hose belongs to the group of used original Mercedes parts. Such components are sourced from dismantled vehicles and represent an attractive solution for users who want to maintain the vehicle's factory specifications at a reasonable service cost. For vacuum hoses, maintaining material integrity and shape is particularly important, allowing for continued operation under conditions close to factory standards.

Choosing a used, original hose with the same reference number as the one originally used in a specific engine type facilitates installation and minimizes the need for modifications to the system. This solution is often preferred by workshops specializing in the Mercedes brand, where repeatability and predictable repair outcomes are valued.

Selection and Practical Application in Service

When selecting a vacuum hose for the M274 unit in W204, W205, W212, and W213 models, matching it to the specific engine configuration and accessories is crucial. The original component from the Hoses, pipes and tubes group is designed for a specific routing within the engine bay, minimizing the risk of collision with other components and simplifying installation in workshop conditions.

In practical service, this type of hose is used both for routine replacement of worn vacuum system components and for more extensive engine accessory work where restoring the entire circuit's seal is necessary.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as vacuum hoses, intake system hoses, or breather pipes, check the available parts in the Mercedes Hoses, pipes and tubes category.

Technical Support and Cost Optimization

For users interested in the broader context of using used components in modern powertrains and the impact of such decisions on service costs, material comparing different engine designs and repair strategies may be helpful. For this purpose, it is worth reading the article Volkswagen 1.9 TDI vs 1.4 TSI – Evolution of VW Engines and Repair Costs, which demonstrates how informed selection of used parts allows for rational vehicle maintenance planning.