My MY23 handbrake is still not great. Attempts at the dealer to improve it have not worked. As it's still under warranty I will discuss it at the next service in a few weeks. This will include getting it done by the factory if necessary under warranty. It's an auto so the Park setting alone is not the way to go. The lack of mechanical handbrake means the pawl mechanism in the box is under unecessary stress and when MOT is due there is a strong chance of failure to pass. I have tried keeping the pedal pressed hard before engaging the handbrake but that doesn't improve it. There is movement of the cable/lever into the caliper and there doesn't appear to be any fouling of the external spring to interfere with movement.
Dave, your comments about replacing calipers and mounts seems a good route.
