Mercedes W220 Air Conditioning Pipe Hose Tube Line A1132301256

Mercedes W220 Air Conditioning Pipe Hose Tube Line is an original cabin cooling system component designed for precise refrigerant routing within the air conditioning installation. Thanks to its factory-fit for the W220 S-Class series, it ensures stable system operation and reduces the risk of leaks. This is a practical solution for users looking to restore proper air conditioning performance while maintaining compliance with the manufacturer's design.

Specifications and technical data

• SKU: A1132301256
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1132301256
• Substitutable numbers: A1132301256, A 113 230 12 56
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The pipe belongs to the Air conditioning pipes, hoses, and connectors group, responsible for the safe routing of refrigerant between individual system components. The correct geometry and diameter of the pipe are crucial for maintaining proper operating pressure, which translates into stable interior cooling and even compressor load.

Original manufacturing for the Mercedes brand ensures the retention of factory mounting points, which facilitates installation and minimizes the risk of vibrations and chafing during operation. This is particularly important in luxury vehicles, where thermal comfort and the operational quality of the air conditioning system are of great significance.

Construction, connectors, and system tightness

The air conditioning pipe in this model connects system components using dedicated connectors designed to operate under high pressure. The pipe construction is optimized for:

• resistance to refrigerant temperature fluctuations,
• minimizing pressure loss along the operating section,
• stable routing in the engine bay and along the vehicle body.

As a result, the air conditioning system can maintain proper operating parameters, and the compressor is not excessively loaded. A correctly selected pipe reduces the risk of refrigerant leaks, which is important for both the durability of other components and service costs.

Condition, origin, and service application

The offered item comes from the used parts group, which allows for an economical repair of the air conditioning system while maintaining the original manufacturer's specifications. In practice, this is a beneficial solution in situations where a section of the pipe has been damaged, while other system components – such as the condenser or evaporator – remain functional.

The pipe is suitable both for the standard replacement of a damaged section and for broader service work involving the disassembly of components in the engine bay. Using an original pipe facilitates workshop work, shortens installation time, and reduces the risk of needing additional system modifications.

Technical support and knowledge about the air conditioning system

When working on air conditioning pipes, it is worth paying special attention to the condition of the compressor and the cleanliness of the entire system. To better understand the relationships between pipes, the compressor, and other elements, the article describing typical symptoms and causes of compressor failure will be helpful – you can find it here: Air conditioning compressor – failure symptoms, causes, and safe replacement.

Related Mercedes air conditioning system components

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 pipes, flexible hoses, or service connectors, check the available parts in the Mercedes air conditioning pipes, hoses, and connectors category.