A little light reading for any interested parties......
http://www.fordtransitusaforum.com/ford-transit-general-discussion/22529-transit-diesel-nightmare.html
http://www.fordtransitusaforum.com/engine-technical-discussion/53769-coolant-problem-3-2l-diesel.html
http://www.fordtransitusaforum.com/engine-technical-discussion/31242-3-2l-diesel-fuel-system-problems.html
http://www.fordtransitusaforum.com/ford-transit-general-discussion/6921-power-stroke-diesel-any-problems-yet.html
https://www.vehiclehistory.com/ford/transit-van/2016
https://www.vehiclehistory.com/ford/transit-van/2015
https://www.edmunds.com/ford/transit-van/2016/consumer-reviews/review-868772566227959808/
https://www.yourmechanic.com/question/how-problem-free-is-the-ford-3-2l-turbo-diesel-compared-to-the-mercedes-3-0l-diesel-used-in-small-rv-s-by-rob
Seems like what goes around comes around. If you try hard enough, you can always find something online to support your point of view. Or, to discredit someone else's.