Mercedes-Benz W211 E 270 CDI Diesel Turbo Charger Intake Hose Pipe A6470940097

Mercedes-Benz W211 E 270 CDI Diesel Turbo Charger Intake Hose Pipe is a factory-spec boost system component designed for operation with the diesel engine in the front section of the vehicle. It is responsible for the stable delivery of air to the turbocharger, which translates into smooth engine operation and correct torque characteristics. By maintaining the original geometry and connection diameters, it provides a safe service solution for repairs of the intake system in the E 270 CDI model.

Specifications and technical data

• SKU: A6470940097
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6470940097
• Substitutable numbers: A6470940097, A 647 094 00 97, BG
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Other Air & Fuel Delivery

Function in the diesel engine intake system

The turbocharger intake hose in this Mercedes model operates in the front area of the engine bay, where it connects the intake system components to the turbocharger. Its task is to guide the air sucked into the compressor as tightly and stably as possible, which is important for maintaining the correct boost pressure and limiting flow drops.

In the case of diesel units, such as the E 270 CDI, proper airflow is crucial for achieving the correct mixture dosage, reducing smoke, and maintaining engine refinement. Using an original hose with the appropriate stiffness and flexibility helps maintain stable boost parameters across the full load range.

Construction and fitment for Mercedes W211 E 270 CDI

The component has been designed specifically for the intake system of the W211 generation Mercedes E-Class with the E 270 CDI diesel engine. This means the shape is matched for routing in the engine bay, with appropriate end diameters and preparation for factory clamps and mounts. As a result, installation is predictable, without the need for modifications or the use of adapters.

The original hose design reduces the risk of collision with other components in the front of the vehicle, such as cooling hoses or engine accessories. Maintaining the factory routing of the hose also promotes proper cooling and ventilation of the entire intake area.

Performance characteristics of the used component

The offered hose comes from dismantling, which allows for an economical repair of the intake system while maintaining the manufacturer's original specifications. A used component of this type is particularly attractive where compliance with the factory design and the ability to perform a quick replacement without additional modifications are important.

In practice, installing an original aftermarket intake hose allows for restoring proper airflow in the boost system, reducing leaks, and minimizing the risk of boost pressure-related errors in the engine control unit. This is a beneficial solution for both workshops and individual users who want to maintain the consistency of the intake system with the factory configuration.

Service application and benefits of replacement

Replacing the turbocharger intake hose is recommended when cracks, abrasions, delamination, or leaks are found within the hose. Symptoms of problems may include power loss, uneven engine operation, increased fuel consumption, or a characteristic hissing sound near the turbocharger. Using the correct component restores the proper airflow path and helps stabilize the operating parameters of the diesel unit.

In the context of long-term vehicle operation, a well-maintained intake system reduces the risk of overloading the turbocharger and supports the maintenance of appropriate exhaust emission values. This is particularly important in modern diesel engines, where the interaction between the turbocharger and the engine control system requires consistent flow conditions throughout the entire intake path.

Related components and technical knowledge

When working on the boost system, it is also worth paying attention to the condition of other intake hoses, the intercooler, and mounting elements to avoid the problem returning shortly after. For a comparison of the characteristics of various solutions used in cars with increased power, including sports versions, material discussing the differences in engine and accessory construction may be helpful – detailed information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as intake hoses, pressure pipes, or additional mounting elements, check the available parts in the category Other Mercedes.