Mercedes-Benz C-Class W203 Air Intake Hose Pipe Tube A1110940991

Mercedes-Benz C-Class W203 Air Intake Hose Pipe Tube is an intake system component designed for installation in the rear part of the vehicle, responsible for stable airflow to the power unit. Thanks to its original Mercedes origin, it ensures proper geometric fit and compatibility with the body structure and engine accessories. This is a practical solution for users who want to restore the proper operation of the intake system without interfering with the manufacturer's original design.

Specifications and technical data

• SKU: A1110940991
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1110940991
• Substitutable numbers: A1110940991, A 111 094 09 91, EM
• Location on the vehicle: Rear
• Category: Hoses, Lines & Pipes

Technical characteristics and purpose

The offered air intake hose belongs to the group of components defined as Lines, hoses, and tubes, which means it is responsible for the airtight and directed flow of the medium within the air supply system. The design, tailored to the C W203 model, allows for correct positioning relative to other engine bay components and the rear part of the body, minimizing the risk of collision with other parts.

The placement in the rear zone of the vehicle promotes stable routing of the hose, and the appropriately selected shape ensures that the required flow cross-sections are maintained. As a result, the intake system can maintain proper operating parameters, which translates into even air supply to the engine and correct cooperation with the factory control electronics.

Benefits of using an original intake hose

Using a dedicated intake hose in the C W203 model allows you to avoid problems typical of universal geometry replacements. The original fit translates into:

• proper airflow in the intake system without unnecessary turbulence,
• stable mounting at factory attachment points,
• reduced risk of leaks at connections,
• compatibility with covers, mounts, and other hoses in the engine bay.

For the user, this means more predictable vehicle behavior, easier diagnostics of potential faults, and the ability to perform maintenance in accordance with the manufacturer's technical documentation. A properly selected air intake hose also helps reduce unwanted vibrations and stresses in the system, which is important during long-term operation.

Component condition and installation aspects

The hose is offered as a used part, which allows for economical repair while maintaining the original design. This type of solution is particularly beneficial for vehicles used on a daily basis, where a reasonable balance between cost and functionality is important. A used factory component usually fits into the existing system better than a random replacement with a universal profile.

Installing the air intake hose in the rear of the vehicle requires following the correct order of disassembly and reassembly of adjacent components, but thanks to the factory fit, this process is predictable. In most cases, the use of standard workshop tools and checking the condition of clamps and connections is sufficient to restore full system tightness.

Application in service practice

Replacing the air intake hose in a Mercedes C W203 is recommended in situations where symptoms such as uneven engine operation, power loss, noticeable "false" air intake, or visible cracks and abrasions on the hose surface appear. In such cases, opting for an original element from the Lines, hoses, and tubes group allows you to restore the correct operating parameters of the system without the need for structural modifications.

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 vacuum lines, cooling hoses, or intake system tubes, check the available parts in the Mercedes lines, hoses, and tubes category.

Additional technical support

When planning broader service work within the powertrain, it is also worth paying attention to the condition of other components, such as power supply elements and engine accessories. Practical tips on making decisions about using used parts can be found in the article When is it worth replacing an alternator with a used one: a practical guide for drivers, which helps to better plan your budget and the scope of repairs.