Fitment: Mercedes-Benz 420 SE, SEL (W126) 500 SE, SEL (W126) 560 SE, SEL (W126) 420 SEC (C126) 500 SEC (C126) 560 SEC (C126) 420 SL (R107) 500 SL (R107) G 500 E (W463) 1986-1991 Mercedes-Benz 420 SEL 1986-1991 Mercedes-Benz 560SEC 1986-1991 Mercedes-Benz 560 SEL 1986-1989 Mercedes-Benz 560SL Description: 1) All parts are hand checked before packing and again by our team before shipping. 2) Meet the original factory specifications. 3) Perfectly fit for the vehicle. 4) Easy installation. The kit includes: 1 * Idle Speed Control Valve without instruction manual;