0.78% of 26.4 gallon tank minus probably .5 gallons in the filter, pump and lines times 15mpg = 3.03 miles. It took 25.01 gallons with the filler neck so there is room to go further. Sometimes it’s good to know just how far you can push things. #donttrythisathome #runningonempty #mercedes #sprintervan # ultragauge