Mercedes W204 Intercooler Pipe Hose Charge Air Hose A2740940191

The Mercedes W204 Charge Air Hose is a turbocharger and parts component designed for use in Mercedes vehicles. This hose allows for a cost-effective yet technically sound repair of the intake system, while maintaining proper charge air flow parameters.

Specifications and technical data

• SKU: A2740940191
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740940191
• Substitutable numbers: A2740940191, A 274 094 01 91
• Category: Turbos & Parts

Technical characteristics of the charge air pipe

The Mercedes W204 Charge Air Hose operates in the critical area between the turbocharger and intake manifold, where air pressure and temperature are elevated. The hose's design is adapted to the specific geometry of the W204 engine compartment, ensuring proper airflow guidance and stable mounting at the factory locations.

A properly selected pipe cross-section and shape reduce pressure drops, supporting proper turbocharger operation and maintaining the engine's nominal power output. Using original turbocharger and parts minimizes the risk of leaks, deformation under load, and improper fit with other intake system components.

Benefits of using the original cable in the charging system

Choosing an original charge air hose for your Mercedes W204 translates into stable engine operation and predictable vehicle behavior across the full load range. Key benefits include:

• Factory fit to the turbocharger and intake manifold system, no modifications required.
• Reducing pressure losses in the charging system, which supports correct engine dynamics.
• Dimensional stability under conditions of elevated temperature and operating pressure.
• Compatibility with Mercedes factory hardware, including clamps, connectors and mounting hardware.

By maintaining the original cable geometry, the engine controller receives repeatable operating conditions, which helps maintain the correct boost, mixture and exhaust emission values.

Used condition - conscious service choice

The offered charge air hose is in used condition, which significantly reduces repair costs compared to a new component, while maintaining the functionality required for everyday operation. A used component from the turbocharger and parts category is a sensible solution wherever the following are key:

• maintaining the correct tightness of the charging system,
• maintaining the factory wiring in the engine compartment,
• optimizing service costs while maintaining the original specifications.

During installation, it is recommended to check the condition of the clamps and seals working with the hose in order to fully utilize its potential and avoid secondary leaks in the intake system.

Application in the Mercedes turbocharger system and parts

The Mercedes W204 Charge Air Hose is a component designed to work in the turbocharger system, where the turbocharger compresses air that is then directed to the engine. A properly selected hose:

• supports stable boost pressure throughout the entire rev range,
• reduces the risk of power loss resulting from leaks or cable deformation,
• ensures correct air flow in accordance with the design of Mercedes engineers.

This solution is particularly important in vehicles that are used intensively, where the supercharging system often operates under high loads and any loss of tightness can result in a noticeable drop in performance.

Selection support and additional materials

If you are looking for other components from the category of turbochargers and parts for Mercedes, check out the turbochargers and parts for Mercedes available in our store to choose a complete solution for your supercharging system.

When deciding whether to install a used charge air hose, it's worth familiarizing yourself with practical tips for purchasing second-hand parts. For detailed information, see the article "Used Parts – Your Guide to the Best Deals at the Automotive Store ," which describes how to choose components wisely and what to look for when installing them.