Mercedes W213 Heat Exchanger Hose Line Tube Pipe A2138302205

The Mercedes W213 Air Conditioning Heat Exchanger Hose is an original component of the refrigerant cooling system, designed for precise medium routing between the heat exchanger and other system components. Thanks to its factory fit for the W213 body, it ensures stable mounting, leak-proof connections, and proper air conditioning operation under demanding conditions.

Specifications and technical data

• SKU: A2138302205
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2138302205
• Substitutable numbers: A2138302205, A 213 830 22 05
• Part type: Hose
• Category: A/C Hoses & Fittings

Purpose and Function in the Air Conditioning System

The offered hose belongs to the Air Conditioning Hoses, Pipes, and Connectors group and is responsible for transporting refrigerant between the heat exchanger and the rest of the system in the Mercedes E-Class W213 model. The correctly selected geometry and diameter of the hose limit pressure drops, which translates to stable cabin cooling performance and even compressor load.

This component is particularly important for:

• addressing leaks in the heat exchanger area,
• restoring the factory routing of hoses after body repairs,
• air conditioning system service after a collision or intervention in the engine bay.

Original Mercedes Origin and Fitment

The hose comes from the Mercedes offering, which means adherence to factory manufacturing standards, material quality, and compatibility with the mountings and connectors used in the W213. The original geometry eliminates the need for modifications, bracket adjustments, or the use of additional adapters, reducing installation time and the risk of future leaks.

This allows the mechanic or user to receive a component that:

• fits factory brackets and guide clips,
• works with original air conditioning system connectors,
• maintains the correct hose routing relative to other components in the engine bay.

Characteristics of a Used Component

The offered hose is a used component, sourced from disassembly, which allows for combining original origin with a more favorable purchase cost compared to a new part. This type of solution is particularly attractive for maintenance repairs and restoring the air conditioning system's functionality in several-year-old vehicles.

Choosing a used heat exchanger hose is a sensible compromise between quality and budget, while maintaining factory fitment and compatibility with other system components.

Benefits of Using an Original Heat Exchanger Hose

Using this hose in a Mercedes W213 allows for restoring proper refrigerant circulation in the heat exchanger area, which translates to stable air temperature and even load on the entire system. Precise fitment with the body and components reduces the risk of rubbing against other parts, thereby minimizing the possibility of micro-cracks in the long term.

This solution is particularly recommended when:

• the existing hose has corroded, worn through, or suffered mechanical damage,
• after accident repairs, it is necessary to restore the original system routing,
• you want to maintain compliance with the factory air conditioning system specification.

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

Used Mercedes Parts – A Conscious Choice

By choosing an original, used heat exchanger hose for the W213, you benefit from a factory component while reducing service costs. It is worth understanding the broader context of using disassembled components in premium cars – you can find more information in the article Used Mercedes Parts – Original Components from Disassembly, which discusses the practical aspects of selecting and operating such components.