Wahler Thermostat Assembly MERCEDES: C300 2013-2014; C350 2012-2015; E350 2012-2016; GLE350 2016-2018; GLK350 2013-2015; ML350 2012-2015; R350 2012; SLK350 2012-2016 Please be sure your vehicle and engine are listed in the compatibility chart. We are not responsible for fitment. Wahler-BorgWarner is an OEM Thermostat supplier for Mercedes Benz. Sold with a 2 year warranty. FREE USPS PRIORITY SHIPPING Wahler Thermostat Assembly 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