Mercedes-Benz E-Class W210 M112 Petrol Air Intake Hose Pipe Tube A2105281904

Mercedes-Benz E-Class W210 M112 Petrol Air Intake Hose Pipe Tube is a component from the Lines, hoses and pipes group, designed for the intake system in M112 petrol engines. It is responsible for the stable delivery of air to the engine, which promotes smooth operation of the power unit and proper interaction with the petrol supply system. This is a solution for users who expect factory-fit and predictable performance parameters.

Specifications and technical data

• SKU: A2105281904
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2105281904
• Substitutable numbers: A2105281904, A 210 528 19 04
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The presented air intake hose has been designed specifically for M112 petrol units in the Mercedes-Benz W210 model. Its task is to provide a tight and stable path for air from the intake system to the engine, while maintaining the correct flow geometry. This allows the petrol supply system to operate under predictable conditions, which promotes proper combustion of the mixture and reduces the risk of power drops resulting from leaks or air turbulence.

Construction and fitment for the Mercedes-Benz W210

The air intake pipe is a component structurally matched to the W210 engine bay, with appropriately shaped sections and ends for factory mounts. This ensures proper positioning relative to other intake system components and engine accessories, without the need for modifications or forced fitting. The correct geometry of the hose helps maintain stable airflow, which is important when the engine is operating under full load.

Benefits of using the original air intake hose

Using an air intake hose dedicated to the M112 petrol engine allows you to limit typical problems associated with non-factory replacements, such as inaccurate fitment or incorrect internal diameter. The main advantages include:

• factory fitment to the intake system and engine accessories,
• maintenance of the correct cross-section and length of the hose,
• stable mounting in the engine bay without tension,
• reduction of the risk of leaks in the intake system.

As a result, the petrol supply system operates under more repeatable conditions, which helps maintain engine refinement and facilitates the diagnosis of potential faults.

Condition, verification and service application

The item comes from a used vehicle, which is typical for many parts from the Lines, hoses and pipes group used in the service of older vehicles. Such components are often used in intake system repairs when the factory hose has cracked, delaminated, or lost its flexibility. Replacing it with an original hose of a similar level of wear allows for restoring the proper tightness of the system while maintaining reasonable service costs.

Integration with other intake system components

The air intake pipe works with other intake system components, such as the air filter housing, subsequent hose sections, and engine accessories. Proper fitment of this hose is essential for maintaining flow continuity and avoiding unwanted turbulence that can affect sensor readings and engine control unit operation. The consistency of the entire intake system has a direct impact on the stability of the petrol engine's operation, especially in older designs where every leaking section can cause difficult-to-diagnose symptoms.

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 lines, vacuum hoses, or breather pipes, check the available parts in the Mercedes lines, hoses and pipes category.

For users interested in a broader context of selecting used OEM elements by catalog numbers and the principles of their verification, an article describing a practical approach to parts selection and analysis of applications in various models may be helpful – you can find it here: Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it with original Audi parts.