Purchase considerations for Daimler Double Six or Jag V12

At the moment I drive an XKR Convertible Bj 2007 and have become a total Jag. fan. Now I think about buying a Daimler Double Six or Jag V12. The cars are quite cheap to get in the CH. I would drive max. 5’000 km a year and would have the car the XKR only as a hobby. What do I have to bear in mind that I don’t finance the workshop. Can’t really make a contribution to the maintenance except oil. I found two offers, you are interested in: 1. D Aimler Double Six, built in 06/96 with 85’000 km for Euro 10’000.00, 2nd Daimler Double Six, built in 01/94 with 59’500 km for Euro 11’000. Are the Jag. 12 cylinders what, for one who can’t do anything himself on the engine, or leave their fingers behind? Thank you for your opinions and best regards from Switzerland.