Bender's recall notice is a reference to the Ford Pinto, whose gas tank design made it especially vulnerable to collisions. Internal Ford Company memos were obtained by the press that contained a cost/benefit analysis favorably comparing settlement of potential liability claims with what was considered ultimately more expensive overall, an $11 repair to remedy the problem on each car.
Victor's salesman pitch is a reference to the Alfa Romeo sports car, and an advertisement for the Cross Your Heart bra.
The gas station on Mercury is "Hg's gas station". Hg is the chemical symbol for the metallic element mercury.
Fry and Amy break down near a sign that says "Gas 4750 miles", and points in both directions. Since Mercury's equatorial circumference is roughly 9,525 miles, they're obviously at the farthest point from Hg's gas station.