Mercedes benz 38Pin ConnectorWorks on all Mercedes Benz vehicles with a 38 PIN diagnostic connector. Features SpecificationsCable definition:Pin-out DiagramOBDII Connector(Female) ---- BENZ 38Pins Connector4+5----------1(Signal Ground)7--------------15(K Line)16------------3(Power) Is This Connector Compatible With My Vehicle?Yes -----It works on all Mercedes Benz vehicles with a 38 PIN diagnostic connector.