Mercedes SL R231 Air Conditioning Pipe A/C Hose Refrigerant Line A2318306515

Mercedes SL R231 Air Conditioning Pipe A/C Hose Refrigerant Line is an original, used refrigerant line designed for the A/C system in the R231 generation SL model. This component from the Air conditioning pipes, hoses and connectors group ensures leak-free refrigerant routing, stable compressor operation, and correct system pressure, which directly translates to thermal comfort inside the vehicle.

Specifications and technical data

• SKU: A2318306515
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2318306515
• Substitutable numbers: A2318306515, A 231 830 65 15
• Category: A/C Hoses & Fittings

Application and function in the air conditioning system

The presented air conditioning pipe is a component of the factory cabin cooling system in the Mercedes SL R231. It is responsible for the safe and controlled routing of refrigerant between individual components, such as the compressor, condenser, or evaporator. Thanks to its precise fit to the geometry of the R231 roadster's body, the pipe maintains proper positioning, minimizes stress, and reduces the risk of vibrations that could lead to leaks.

The original design of the pipe ensures:

• appropriate internal diameter to maintain proper refrigerant flow,
• stable system operation at typical air conditioning operating pressures,
• compatibility with factory connectors and mounts in the Mercedes SL R231.

Benefits of using an original Mercedes pipe

Using an original air conditioning pipe in a Mercedes allows you to maintain the factory operating parameters of the A/C system. Precise fitment for the specific model eliminates the need for modifications, and the correct length and shape of the pipe facilitate installation and service. A used OEM component is a reasonable compromise between quality and repair cost, especially in the case of technologically advanced premium class models.

Key advantages include, among others:

• maintaining the original geometry of the pipe routing in the engine bay and chassis,
• secure connection to factory ports and air conditioning system connectors,
• reducing the risk of leaks resulting from the poor fitment of aftermarket replacements.

Condition and preparation for installation

The item comes from disassembly and is classified as a used original component by Mercedes. A pipe of this type is particularly sensitive to mechanical damage and connector corrosion; therefore, before reinstallation, it is recommended to perform a standard system leak check, replace the connection seals, and conduct a pressure test at an air conditioning service center. This approach allows you to fully utilize the potential of the part and ensure stable A/C system operation.

Professional installation and service tips

To fully utilize the capabilities of this pipe, it is worth commissioning the installation to a specialized automotive air conditioning service. The correct procedure includes:

• removing the old pipe while maintaining system cleanliness,
• checking the condition of connection ports and mounts,
• replacing seals with new ones compatible with the Mercedes SL R231 system,
• properly positioning the pipe in the factory brackets,
• vacuuming, refilling the system with refrigerant, and performing a leak test.

An operation performed in this manner allows for restoring full air conditioning functionality and maintaining the high level of driving comfort characteristic of the Mercedes brand.

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.

Why choose used original Mercedes components

In the case of premium class cars, using used but original components allows you to maintain high quality without overstretching your budget. This applies to air conditioning pipes as well as other comfort or suspension components. You can find more about the advantages of this solution in the article: Used parts for Mercedes – original components from disassembly, which discusses the practical aspects of selecting and using second-hand OEM components.