Filled the DEF for the 1st time today. Took 4.2 gallons. Mileage was 5400. According to the calculator, that equates to just under 1300 miles per gallon. Dash info center said I had 470 miles left on ...
Many of us with Sprinters are finding the manufacturer did not fill the DEF full when the rig was sold. So I think early consumption figures may be off.