So I am assuming that all cars in the UK have the same fault? I have had the same fault since I picked the car up on 8th October. I have had same message from my dealer that they are working on it!
Picked my Macan up yesterday and I have the same problem. The speed limit function switches off at exactly the same place on road, about 2.5km (as the crow flies from my house). It switches back on at the same place. To test a theory I drove away from my home in a different direction and again...