Be careful with the overall measures given in the brochures, my C class was advertised as a 22 footer in the original production, I purchased one of the last produced units, the original model was a couple inches over 22 feet bumper to bumper, my unit was 24 feet bumper to bumper and still was labeled as a 22 foot unit.
So take advertisements with a grain of salt but they give you a close size after all, best thing visit a unit and check the shower and the toilet for elbow room, I have seen $200,000+ A units where you had to be a contortionist in order to do the paper work or take a shower with out punching holes in shower stall with your elbows.
navegator