Most C class MH's have frame extensions. If they do, the extensions need to be very carefully inspected for looseness (if bolted) and cracks, damage (bent) or other problems. The hitch would be attached to the frame extension and if the extension is a weak design (which many are) then you could very well find problems.
Be very wary of early Sprinter chassied motorhomes which have towed anything, as the transmissions have a higher than normal failure rate. You don't want to go into this blind.
Also, Views and Navions of the '07-'08 chassis years had real problems with the frame extensions, and one company even marketed reinforcements for them.
Charles
