I have a 1999 mercedes e 300 turbo diesel and need the relay diagram The problem was the car cut out instantly while on the freeway like it ran out of gas (came to idle while half trottle then stalled) maybe fuel pump or relay?? checked the fuses but there is no fuse for the fuel pump on the diesel. Thanks

Their is no fuse for the fuel pump,its a mechanical pump inside the injector pump ,you have a fuel line broke or the rubber primer bulb thingy has split ,if you bleed it out and it still wont start then check out the stop switch on the injector pump but you will find it has a antitheft shroud around it so you can only check for a feed to this but you cant get access without removing the injector pump .