"No start" Caused by Failed Fuel Pump/Relay on Mercedes-Benz 300SEL

The fuel pump and/or fuel pump relay can fail, causing the car to crank over but not start. Proper diagnoses will be necessary to confirm if the pump or relay is at fault.

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Average mileage: 171,069 (143,000–199,138)
2 model years affected: 1990, 1991
6 people reported this problem
3 people shared problem details
cant get fuel to fuel pump need to check relay.i need to know is ther a fuse or a reset button between relay and fuel pump. please help
motor will turn over but will not start where is the fuel pump relay switch located.
wont start checked fuel pump how do i find out if the relay is any good
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