Mercedes W205 Air Conditioning A/C Air Con Pipe Hose Line A2058304003

The Mercedes W205 Air Conditioning Hose is an original, used A/C refrigerant line designed for the air conditioning system in C-Class W205 models. Thanks to its factory geometry and connectors tailored for Mercedes installations, it ensures stable refrigerant flow and proper integration with other system components.

Specifications and technical data

• SKU: A2058304003
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2058304003
• Substitutable numbers: A2058304003, A 205 830 40 03
• Category: A/C Hoses & Fittings

Purpose and Function in the Air Conditioning System

The offered hose belongs to the group of Air Conditioning Hoses, Pipes, and Connectors and is a component of the factory A/C system in Mercedes C-Class W205 vehicles. It is responsible for the sealed and controlled flow of refrigerant between the sub-assemblies, which directly impacts the efficiency of interior cooling and the uniform load on the compressor.

The precisely shaped metal-rubber construction of the hose reduces vibrations, minimizes the risk of leaks at connections, and facilitates correct routing in the engine bay without interfering with other auxiliary components.

Advantages of Using an Original Mercedes Hose

Choosing an original air conditioning hose for the Mercedes W205 offers primarily:

• factory fit for the A/C system of the specific W205 generation,
• preservation of the manufacturer's designed refrigerant flow path,
• compatible connectors and port diameters,
• reduced risk of stress and leaks after installation.

This allows the air conditioning system to operate under stable pressure conditions, promoting uniform cabin cooling and improving the durability of other components, such as the condenser or evaporator.

Product Characteristics and Installation

The air conditioning hose is a used part, sourced from a dismantled Mercedes vehicle. This type of OEM part retains its factory geometry, making it easier to install in place of an old, leaking, or mechanically damaged hose. Installation involves correctly routing the line along the original mounting points and securely tightening the connectors in the A/C system.

After replacing the hose, it is recommended to perform a leak test and professionally refill the system with refrigerant to fully utilize the potential of a functional hose and restore comfortable air conditioning operation in the Mercedes W205.

Who is this Part Recommended For

This air conditioning hose is particularly recommended for:

• workshops specializing in A/C system service for Mercedes vehicles,
• private users who want to restore their W205's air conditioning functionality while using OEM parts,
• individuals seeking an economical solution in the form of a used, original hose instead of an aftermarket alternative with uncertain fitment.

By using an original A/C line, the integrity of the entire system with the manufacturer's original specifications can be maintained, which is important for both driving comfort and long-term reliability.

If you are planning a comprehensive repair or upgrade of the air conditioning system area in your Mercedes and need other components from the same group, such as high-pressure lines, flexible hoses, or service connectors, check the available parts in the Mercedes Air Conditioning Hoses, Pipes, and Connectors category.

To better plan the use of used components in your car and to consciously select original parts from dismantling, it is worth reading the advice contained in the article Used Parts for Mercedes – Original Parts from Dismantling, which describes the practical aspects of operating such components in Mercedes-Benz vehicles.