Mercedes-Benz E CSL Class S211 W211 W219 Air Conditioning Hose Pipe A2118300215

Mercedes-Benz E CSL Class S211 W211 W219 Air Conditioning Hose Pipe is an original cabin cooling system component, designed for precise compatibility with the factory compressor and other air conditioning parts. By maintaining factory geometry and connectors, it ensures stable refrigerant pressure and proper circulation throughout the entire system, which translates into comfortable air conditioning performance in Mercedes vehicles.

Specifications and technical data

• SKU: A2118300215
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118300615
• Substitutable numbers: A2118300215, A 2118300215, A 211 830 02 15, AS
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered hose belongs to the Air conditioning lines, hoses and connectors group and is responsible for transporting refrigerant between key system components. In E-Class and CLS-Class vehicles of the S211, W211, and W219 series, a properly selected hose guarantees:

• maintaining air conditioning system tightness at typical operating pressures,
• proper refrigerant routing in the engine bay, while maintaining factory paths and bending radii,
• correct compatibility with original Mercedes connectors and mounts.

As a result, the air conditioning system can operate under stable conditions, without unwanted pressure drops or leaks resulting from the use of unsuitable replacements.

Construction, connectors and compatibility

The air conditioning hose was designed by Mercedes as part of the OEM system, which means full compatibility with factory brackets, clamps, and ports in S211, W211, and W219 bodies. The construction combines rigid and flexible sections, which allows for:

• compensating for engine and body vibrations,
• maintaining proper tightness at connections,
• minimizing the risk of abrasion against adjacent components in the engine bay.

Original connectors allow for installation without modifications to the system, which is particularly important when servicing air conditioning systems in premium cars, where compliance with manufacturer documentation is essential.

Condition, service application and installation

This item comes from the used parts group, which allows for cost-effective air conditioning system repair while maintaining the original manufacturer's specifications. This type of hose is particularly useful in situations where:

• the existing hose has suffered from corrosion, abrasion, or mechanical damage,
• it is necessary to replace a section of the installation after a collision or bodywork intervention,
• you want to maintain system consistency with original Mercedes components.

Professional installation requires standard air conditioning service procedures: evacuating the system, replacing seals at critical points, and refilling with refrigerant while checking for leaks. Thanks to the factory fit, the hose helps reduce service time and limits the risk of problems during the first start-up after repair.

Technical support and service knowledge

When working on air conditioning lines, it is worth paying attention to the condition of the compressor, condenser, and receiver-drier, as leaks or contamination in one component can affect the durability of the entire system. To better understand the relationships between the lines and the compressor and to recognize typical symptoms of failure, check out the article Air conditioning compressor – failure symptoms, causes and safe replacement, which discusses practical aspects of diagnostics and replacement of air conditioning components.

If you want to maximize the potential of dismantled parts and ensure their long-term, stable operation in your Mercedes, the guide How to extend the service life of used car parts? will also be helpful, containing specific tips on the operation and maintenance of mechanical system components and accessories.

Expanding the air conditioning system in Mercedes

If you are planning a comprehensive repair or upgrade of the air conditioning system in your Mercedes and need other elements from the same group, such as additional lines, flexible hoses, or service connectors, check out the available parts in the Mercedes air conditioning lines, hoses and connectors category.