After comparing notes with other Sprinter class C owners, I think there might not be a single one that doesn't bust its GVWR when loaded up for a camping trip. The upside is that the sum of the GAWRs is greater than the GVWR, and it's unlikely that even a loaded up Sprinter will bust either of the GAWRs. This is opposite of what I've seen with a lot of Ford based rigs, where it's easy to stay under GVWR but difficult to stay under both GAWRs. With most Ford based specs sheets I've looked at, to carry the full GVWR "legally", all 4 corners have to be loaded to exactly the capacity of the tires.