Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi, my name is***** year, make and model car is this?
The fuel pump fuse is in the fuse box under the back seat next to the battery. Fuse #6 is for the fuel pump.
The pump is under the car at the left rear. I've attached a picture.
There is a plastic cover over the pump that you will need to remove.
Are you hitting the fuel pump?
Well assuming that there is 12 volts to the pump at all times when you are cranking the motor it would indicate a bad fuel pump.
Possibly a bad relay. You need to measure the voltage to the pump when cranking the motor.
The fuel pump relay is next to the fuse box under the seat. I've attached a picture below.
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Ok, are you going to replace the pump and filter?
It's both. The pump and the filter both have check valves in them.
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