Air Conditioning Pipe Mercedes W166 C292 Refrigerant A/C Hose Line A1668300200

Mercedes W166 C292 Refrigerant Hose for Air Conditioning is an original A/C system component from the Air Conditioning Hoses, Pipes, and Connectors group, designed for use in Mercedes SUV and coupe vehicles. This used OEM component helps maintain the factory performance of the air conditioning system, ensuring proper refrigerant flow and compatibility with other system elements.

Specifications and technical data

• SKU: A1668300200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1668300200
• Substitutable numbers: A1668300200, A 166 830 02 00
• Category: A/C Hoses & Fittings

Application and Function in the Air Conditioning System

The refrigerant hose in Mercedes W166 and C292 models is responsible for a sealed and stable connection between individual A/C system components such as the compressor, condenser, evaporator, and expansion valve. The appropriate diameter, shape, and factory connectors ensure:

• correct refrigerant flow under the appropriate pressure,
• system tightness at varying operating temperatures,
• mechanical stability of the hose in the engine bay and undercarriage.

By maintaining its original geometry, the hose works with factory brackets and mountings, reducing the risk of vibrations, chafing, and leaks during extended use.

Original Origin and Compatibility

The offered part comes from the Mercedes line, meaning it complies with the manufacturer's factory quality standards. The hose has been specifically designed for the W166 / C292 platform, which ensures:

• a perfect fit for the factory air conditioning system without modifications,
• retention of original connection points and connector types,
• adaptation to the thermal and pressure loads specified by the manufacturer.

The presence of dedicated part numbers and interchangeable numbers (visible in the technical specifications) facilitates verification of compatibility with your specific vehicle configuration and year.

Condition, Verification, and Benefits of Choosing a Used Hose

This hose comes from the used original parts segment, allowing for controlled repair costs while maintaining the factory design of the air conditioning system. This type of component is particularly attractive for:

• repairs after leaks or corrosion of the existing hose,
• rebuilding a complete A/C system after a collision,
• servicing vehicles where preserving original components is a priority.

Choosing an original hose from disassembly reduces the risk of fitment issues, which are common with aftermarket parts of universal geometry. This is a technically consistent solution with the rest of the system, promoting stable compressor operation and correct pressure regulation throughout the system.

Professional Installation and Service Tips

Due to the nature of this component and its operation under high pressure, installation by a specialized air conditioning service is recommended. During installation, it is advisable to pay attention to:

• thorough cleaning and inspection of the connection ports,
• replacement of seals at the hose connection points,
• correct routing in the factory brackets, maintaining clearance from hot and moving parts.

After installation, a leak test is mandatory, followed by refilling the system with the appropriate refrigerant and oil, according to the vehicle manufacturer's procedure.

Other Air Conditioning Hoses, Pipes, and Connectors for Mercedes

If you are also looking for other components from the Air Conditioning Hoses, Pipes, and Connectors for Mercedes category, check out the Air Conditioning Hoses, Pipes, and Connectors for Mercedes available in our store to complete your car's A/C system using original components.

More About Used Parts for Mercedes

If you are considering a more extensive repair or upgrade of your vehicle using disassembled components, it is worth reading the guide on our blog: used parts for Mercedes – original parts from disassembly. There you will find practical information on how to make informed choices when selecting premium used parts to maintain comfort and functionality at a reasonable service cost.