Mercedes R171 C207 W212 C219 W463 Air Intake Tube Hose Elbow A2731400118

Mercedes R171 C207 W212 C219 W463 Air Intake Tube Hose Elbow is an original air supply system component, belonging to the Lines, hoses and pipes group, designed for selected Mercedes models. Its engineered construction ensures stable airflow to the engine, which promotes smooth operation of the power unit and proper interaction with factory-fitted equipment.

Specifications and technical data

• SKU: A2731400118
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2731400118
• Substitutable numbers: A2731400118, A 273 140 01 18
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The described air intake tube is responsible for the controlled delivery of air from the filtration system to subsequent intake components in Mercedes vehicles of the R171, C207, W212, C219, and W463 series. The appropriately shaped cross-section and matched connector diameters limit flow losses, which promotes stable engine performance across the full load range. Thanks to its factory geometry, the component maintains proper airflow relative to the stock mounts, filter housing, and other lines in the engine bay. This helps avoid stress, leaks, and unwanted vibrations that may occur when using non-original solutions.

Construction and fitment for Mercedes models

The air intake tube has been constructed for precise fitment with factory brackets and clamps in selected Mercedes compact, mid-size, and off-road models. The shape of the hose is optimized for:

• airflow with minimal turbulence,
• maintaining appropriate rigidity while being resistant to vibrations,
• collision-free routing relative to other components in the engine bay. Its original origin from the Mercedes group helps maintain compliance with factory quality standards, which is important when servicing vehicles according to the manufacturer's guidelines.

Benefits of using an original air intake tube

Using the correct air intake tube in place of a worn or damaged part allows for the restoration of proper airtightness and geometry of the air intake system. This translates into:

• stable air-fuel mixture parameters,
• reduced risk of false air and associated ECU errors,
• proper interaction with the stock filtration and flow measurement system. For users who care about compliance with service documentation, it is also important that the component comes from the same design group as other intake system components in Mercedes vehicles.

Condition of the component and service application

The air intake tube is offered in a used condition, making it a cost-effective solution while maintaining the manufacturer's original specifications. This type of component is suitable both for standard replacement of a worn hose and for restoring the completeness of the intake system after body repairs or work in the engine bay. Before installation, it is recommended to perform a standard check of connection tightness and the condition of the mounting clamps to fully utilize the properties of the hose and maintain correct engine performance parameters.

Expanding the intake system in Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional intake lines, flexible connecting hoses, or breather pipes, check the available parts in the Mercedes lines, hoses and pipes category.

Technical support and vehicle operation

During service work on the suspension and chassis, it is also worth taking care of the general technical condition of the vehicle to fully utilize the potential of an efficient engine and a properly functioning intake. Additional information on the operation of key components can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which helps to better plan service work in cars of various brands, including Mercedes.