Mercedes-Benz W203 200 Kompressor M111 Turbo Intercooler Air Line Hose Pipe

Mercedes-Benz W203 200 Kompressor M111 Turbo Intercooler Air Line Hose Pipe is an original forced induction system component, designed for the precise routing of compressed air between the turbocharger and the intercooler in the Kompressor engine. Thanks to its factory geometry and fitment, the hose ensures stable engine performance and helps maintain the correct torque characteristics. It is a practical solution for users who want to restore the proper operation of the forced induction system in their Mercedes using a part with a proven design.

Specifications and technical data

• SKU: A1111411404
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1111411404
• Substitutable numbers: A1111411404, A 111 141 14 04, BG
• Category: Hoses, Lines & Pipes

Purpose and function in the forced induction system

The Mercedes-Benz W203 200 Kompressor M111 Turbo Intercooler Air Line Hose Pipe in the Mercedes W203 200 Kompressor model is responsible for the airtight and shortest possible routing of compressed air, which limits pressure drops and temperature losses outside the heat exchanger. A correctly selected element of this intake section has a direct impact on:

• maintaining stable boost pressure across the entire RPM range,
• proper engine throttle response,
• reducing the risk of intake air overheating,
• limiting leaks and power loss resulting from loose connections.

By using the Mercedes-Benz W203 200 Kompressor M111 Turbo Intercooler Air Line Hose Pipe, you maintain the factory airflow characteristics, which is particularly important for stock engine control units and emission control systems.

Construction and fitment for Mercedes

The element belongs to the Hoses, pipes, and tubes group, which means it has been designed to operate in a high-pressure and high-temperature environment typical of forced induction systems. The appropriately selected shape and connection diameters facilitate installation in the W203 engine bay without the need for modifications or the use of additional adapters.

Its original Mercedes origin promotes proper fitment with other intake system components, such as intercooler ports, clamps, or the intake manifold. This minimizes the risk of stress on the joints and subsequent leaks.

Performance characteristics and installation benefits

The good condition of the intercooler hose is important not only for performance but also for operating economy. A functional element of this intake section helps to:

• limit power drops resulting from compressed air leaks,
• maintain stable engine operation under load,
• reduce the risk of the unit entering limp mode due to boost pressure errors,
• maintain predictable vehicle behavior during acceleration.

A used element of this class is a reasonable choice when you want to restore the proper operation of the forced induction system at controlled costs, while maintaining the original geometry and compatibility with factory mounts.

Selection, compatibility, and technical aspects

When selecting an intercooler hose for a Mercedes W203 200 Kompressor, it is crucial to verify compatibility with the specific engine version and the vehicle's intake system. This hose model has a dedicated OEM part number and associated replacement numbers, which facilitates unambiguous identification in service catalogs and parts selection systems.

In practice, this means that before purchasing, it is worth comparing the markings with the vehicle documentation or the removed part to ensure that the hose will work correctly with the existing intercooler and engine accessories. This approach reduces the risk of installation problems and the need for additional modifications.

Product condition and service application

The offered hose belongs to the group of used parts, which makes it an attractive solution for maintenance repairs when functionality and compliance with the factory design are the priority. Such elements are often chosen for:

• fixing leaks in the forced induction system,
• repairs after mechanical damage in the engine bay,
• restoring the stock configuration after previous intake modifications.

Thanks to the preservation of the original hose geometry, it is possible to quickly recreate the factory installation routing, which facilitates the mechanic's work and shortens the vehicle's downtime in the workshop.

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 flexible intake sections, rigid pressure pipes, or additional charge air cooling hoses, check the available parts in the Mercedes Hoses, pipes, and tubes category.

If you are interested in the broader context of the cost-effectiveness of using used components in the drivetrain and want to better understand when choosing second-hand parts is technically and economically justified, it is worth reading the article Used gearbox – when is it worth it and what you need to remember, which discusses the practical aspects of selecting and operating used components.