Question about 1989 Mercedes-Benz 300-Class
Most common , fuel pump relay , located in the battery compartment , they do go bad all the time.
Posted on Oct 24, 2010
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Posted on Jan 02, 2017
SOURCE: FUIL PUMP DONT GET ANY POWER
The ecu might have gone bad, not supplying power to the fuel pump relay. If the check engine light does not come on, on the dash, when the ignition is turned on, then the ecu is in need of repair.
Posted on Nov 28, 2011
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