The 2005 E450 Super Duty underneath our Itasca has a tach in the dash and keyless entry into the cab via a couple of key fobs that came with the motorhome.
Getting into the coach via it's door takes two different keys to unlock two different mechanical locks. There is no sign of any electric locks in the coach door.
It appears that Winnebago has some inconsistency in their various Class C configurations over the last several years.