I haven't had a chance to drive a Sprinter of any sort yet, so I can't compare there.
Undoubtedly my E-series motorhome has a different brake feel than my Honda Fit (and than my Toyota Corollas before the Fit0, but that's hardly a shock. The steering feel is also somewhat different and much less sensitive to inputs, for that matter.
Hydroboost brakes, such as the E series have, do respond a bit differently than vacuum-assisted ones. They take a fraction of a second to fully respond to a sudden hard stop--or at least mine does, and i have no reason to believe it's not working perfectly normally--so the pedal goes down and then seems to rebound a bit. They also behave differently when first starting the vehicle.
When I step on the brake pedal on the motorhome, it stops, with authority if needed. When I remove my foot, the brakes release, especially now that the calipers have all been renewed from the original old ones that were getting sticky. It seems to me that's what really matters. I am glad they are not super touchy, truth be told, as it maybe helps avoid unnecessary rearrangement of the contents of my cupboards at times.