About This Vent Valve: The crankcase ventilation valve is also called a check valve, which is a component of the crankcase ventilation device installed inside the engine. Good quality aftermarket replacement part. Replacing OE Number: 2760100331 Fitment: for Mercedes Benz GLE350 2016-2018, for Mercedes Benz E400 2013-2015, for Mercedes Benz E350 2012-2016, for Mercedes Benz ML350 2012-2015, for Mercedes Benz GLK350 2013-2015, for Mercedes Benz C350 2012-2015, for Mercedes Benz C300 2013-2014, for Mercedes Benz SLK350 2012-2016, for Mercedes Benz R350 2012 Note: No instruction. Professional installation is recommended! Overview Material : Polyvinyl Chloride Brand : X AUTOHAUX Item dimensions L x W x H : 6.69 x 4.33 x 4.13 inches Exterior Finish : Plastic,Rubber Inlet Connection Size : 16 Millimeters Inlet Connection Type : Compression Outlet Connection Type : M6 Number of Ports : 2 Specification Met : oe Number of Packs : 1