Why convert a W220 S-Class Mercedes into a station wagon? Why the heck not? Usually, it's those with mad skills who are the maddest, such as the guy from Vienna, Austria who did this particular deed. What, you think Ikea furniture hauls itself?
Mercedes-Benz S-Class W220 Station Wagon [Maybach.ru]
A Ferrari Shooting Brake, or Wagon, Depending on Your Citizenship [internal]