W126 Radio Wiring Diagram. Diagram wiring electrical mercedes wire sprinter presenter radio seatbelt harness engine sel w126 benz sec truck extend benzworld. I need to fit a new alarm and immobiliser to my 1991 w126 300se. [Diagram] Mercedes Benz Radio Wiring Diagram drataron Diagramon from vivailre.it This is a retro ride. W126 stereo connections thread […]