hi when i took mine in for the 2nd serivce i also ask how much the 3rd service was and i was told £250 fom my local dealer which is kitchen of burnley hope thats helps
I had my 197 serviced yesterday at kitchens of burnley cost £200 for a 2nd service and I also found out that the 3rd one cost £250 this includes new spark plugs. The staff there are really helpful and I would recommed them.