Features: Efficient Cooling Technology: Utilizes advanced refrigeration methods to ensures stable cooling even in extreme weather, perfect for extended drives or frequent system use, effectively addressing summer heat. High-Quality Material Construction: Built with superior-grade materials offering excellent resistance to corrosion and pressure, enhancing product durability and preventing system failures due to pipeline wear. Precise Dimension Compatibility: Specifically designed for W213 models, aligns perfectly with original specifications for easy installation without additional modifications, improving setups efficiency. Quiet Operation Design: Features an optimized pipeline structure to significantly reduce system operation noise, creating a more peaceful environment for occupants, enhancing comfort during long trips. Energy-Efficient Design: Reduces energy loss, increases overall system efficiency, and lowers vehicle fuel consumption, supporting environmentally aware travel goals for drivers. Specifications: Component: metal+plastic Length:Approx.23cm For W213 models Part Number: 2138301102 Package Includes: 1pcs Efficiency Cooling Line note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.