I no longer have my class C, I traded it today for a new Grand Design Solitude! We just finished transferring all the stuff out of the C and into the 5th wheel ! We purchased the fifth wheel at Lazy D...
I posted earlier, but I thought I would add that it was a very smart, good move on your part to do your first camping with the rig right next to the dealers lot.
A very good way to insure everything works and /or get adjusted those that need adjustment.