1989 mercedes benz 560 sel where is electric fuel pump relay location on 1996 Mercedes-Benz SL600

it was running very good then just stopped running have 1/2 tank of gas then just stopped i checked the gas coming out of the fuel filter in the back of the car underit there is no fuel coming out of it when the key is on just no fuel coming out. I thin it is a relay where is it.

Asked by for the 1996 Mercedes-Benz SL600
The fuel pump relay is located in the cowling between the engine and windshield. The a/c and fuel pump relay are the same shape and size, terminal 30 is power supply and 87 will be the power feed to the fuel pumps. If terminals are jumped pump should run.