Can I store a jug of DEF under the hood of the Sprinter?
Under the hood of the Mercedes there is a place for a battery but no battery
since the battery is under the floor board on the drivers side. Can I use the
area under the hood where it appears was designed for a battery and instead
may I store the jug of DEF I carry with me while traveling? Of course I would
have to be sure it is secured well.
I don't think heat will damage the DEF.
DEF should be stored in a cool, dry, well-ventilated area, out of direct sunlight. While the optimum storage temperature is up to 77 deg F (25 deg C), temporary exposure to higher temperatures has little to no impact on the quality of DEF. Of course any DEF that's in your reserve tank of your vehicle where it's supposed to be is fine. Do not run low on DEF and top it off every 2,000 mile if you want. I don't have a DEF gauge, although, Mercedes says it should last between services provided you don't have a malfunctioning system using excessive DEF. I used to carry spare DEF, but, it's just a waste of space, you can get it from any truck stop on the road. My advice would be to carry one 1/2 gallon bottle, Mercedes sells a very convenient one that you just unscrew and twist. It's expensive for what it is, but, it's VERY easy to use.