The fuel pump relay is located behind the battery beneath the plastic cover. It is the one in the forward location and depending on your car's production year will either be a 9 or 10 pin version.
The relay just lifts off but a little side to side wiggle should help while pulling it up.
1991 Mercedes-Benz 300-Class 4 Dr 300E 2.6 Sedan
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Maintenance & Repair
My 91 mercedes 300c keeps stalling on me when I step on the gas or sometimes sputters and almost stalls. I just bought the car and I am resaleing it but I don't want to put a bunch of money into it.
1991 Mercedes-Benz 300-Class 2 Dr 300CE Coupe
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Maintenance & Repair
i have a chance o buy a 1989 300e with in tank fuel pump problems. need to know if i can replace it by myself?
1989 Mercedes-Benz 300-Class 300E Sedan
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Maintenance & Repair
Trying to find location of fuel pump relay
1990 Mercedes-Benz 300-Class 2 Dr 300CE Coupe
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Maintenance & Repair
It was not that expensive 5 to 10 yrs ago, why now? I just walked away, came back and asked him to put it in writing. "What do they make the brake pads out of now, Gold?" I will also replace the fr...
1981 Mercedes-Benz 300-Class 300SD Turbodiesel Sedan
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Maintenance & Repair
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