Plenty of good thing have already been said. If you didn't fill the canister with fuel, you can always take it back off and do so . . . it will just save you (and your battery) that much energy. Maybe it's full by now though.

The essential piece is the battery. As you have found out, you can run it into the ground very quickly by cranking. Good thing you have a charger on hand. Get the battery charged up again and keep cranking . . . it will come along sooner or later.

It doesn't hurt to have the nose of the car pointed downhill, no use in fighting gravity. And, as has been said, spraying a little WD-40 into the intake while cranking can help get you through.

The next time you are running low on fuel, remember how much fun this is and then stop and fuel up!

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'95 E300D ("Tank") - 231,000 miles
'79 240D ("Biscuit") - 197,250 miles (Sold)
'83 240D ("Ding-Ding") - 217,000 miles (Death by deer)
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"Back off, man. I’m a scientist” ~ Peter Venkman