Wahler/BorgWarner Thermostat Assembly 4384.100D MERCEDES-BENZ 2006-2014 This Thermostat fits all the above cars. Please make sure your car is in on the list. Fitment is the customers responsibility. Includes gasket. Sold with a 2 year warranty. FREE USPS PRIORITY SHIPPING Wahler Thermostat Wahler is a provider of premium quality thermostats and thermo-switches in OE quality. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. Therefore Wahler provides thermostats with a highly accurate coolant control. Features and Benefits: Strict quality control, and functional testing Self-cleaning and self-aligning thermostat valve Original equipment design provides exact fit and performance Precise sealing edges reduce leakage and premature cooling Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling Stainless steel assembly and springs are engineered for long life