Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778309802

Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose is an original cabin cooling system component, designed for the precise routing of refrigerant within the air conditioning installation. Thanks to its factory-fit design for the W177 and W247 model families, it ensures stable system operating parameters and proper refrigerant circulation. This is the ideal solution for users who want to maintain consistency with the original Mercedes construction and avoid compatibility issues.

Specifications and technical data

• SKU: A1778309802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778309802
• Substitutable numbers: A1778309802, A 177 830 98 02
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The air conditioning refrigerant line is responsible for the sealed and controlled routing of the working medium between system components, such as the compressor, condenser, or evaporator. In Mercedes W177 and W247 series vehicles, a correctly selected line is crucial for:

• maintaining the proper pressure in the air conditioning circuit,
• ensuring efficient cooling of the vehicle interior,
• reducing refrigerant loss and minimizing the risk of leaks,
• stable operation of other system components.

Using an original solution from the Air conditioning pipes, hoses, and connectors category allows for maintaining compliance with factory operating parameters and system design.

Benefits of using an original Mercedes line

Choosing an air conditioning line dedicated to a specific vehicle platform translates into a number of practical advantages in daily operation:

• precise matching of the line geometry to the installation path in the engine bay and chassis,
• optimized diameters and cross-sections for factory operating pressures,
• compatibility with original connectors and seals used by Mercedes,
• reduced risk of vibrations and stress thanks to proper line routing.

As a result, the air conditioning system maintains operational stability, and the risk of failure resulting from improper component fitment is limited. This is particularly important in modern designs, where the air conditioning system works in conjunction with advanced control electronics.

Product characteristics and installation

The offered component comes from the Mercedes brand, which means it adheres to factory material and design specifications. The product is in used condition, which allows for a reasonable purchase cost while maintaining original manufacturing quality. The line is intended for installation in place of the factory component, without the need for system modifications.

Before installation, a standard service procedure is recommended, including checking the system for leaks, replacing seals at connection points, and performing a pressure test after installation. This approach allows you to fully utilize the potential of the part and ensure proper air conditioning operation after the system is reassembled.

Why choose used original Mercedes components

For premium class vehicles, using used but original components often represents an optimal compromise between cost and quality. This also applies to elements such as air conditioning lines, which must meet specific design and pressure requirements. If you want to learn more about the advantages of such a solution for this brand's cars, it is worth reading the article Used parts for Mercedes – original components from dismantling, which discusses the topic of component selection in more detail.

Expansion and service of the Mercedes air conditioning system

When working on the cabin cooling system, there is often a need to replace several elements simultaneously – from lines and flexible hoses to connectors and service ports. If you are planning a comprehensive repair or upgrade of the air conditioning zone in your Mercedes and need other elements from the same group, such as additional lines, flexible hoses, or service connectors, check the available parts in the Mercedes air conditioning pipes, hoses, and connectors category.