MTC Diverter Valve - Also referred to as shut off valve.; 1987-1993 Mercedes-Benz 190E 2.6; 1987-1989 Mercedes-Benz 260E; 1988-1992 Mercedes-Benz 300CE; 1986-1990 Mercedes-Benz 300E; 1990 Mercedes-Benz 300E 2.6; 1990 Mercedes-Benz 300E 4Matic; 1991 Merced