Features: The product can effectively control the temperature of the engine. Easy installation, perfect matchfor the original car. This thermostat features precise temperature control, automatically adjusting water flow ratebased on different working conditions to keep the engine in its best operating state. Whether for dailys driving or professional automotive maintenance, this thermostat is suitable for various scenarios, effectively controlling engine temperature for optimalperformances. Made from high quality materials such as ABS, this thermostat is resistant to high temperatures and corrosion, ensuring long term stability and reliable cooling effects. High level of accuracy and sensitivity, safe for use. Specifications: Material:ABS Part Number:2782000615 Size:As Picture Shown Color:Black For W216 CL550 CL63 CLS550 CLS550 Package Includes: 1x Engine Coolant Thermostat note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.