anyone offering advice please?

same problem with gearbox.motability car so new box-same problem.
new battery-same problem.
2nd.new battery-same problem.
new alternator-guess?
latest fault-check emissions.
I am going to dealer tomorrow as soon as they open.
Has anyone experienced similar problems?Car was serviced and MOT'd in May as we are keeping it.Garage visits 10 times since then.
Scenic Dynamique 1.6 Auto 1st reg 2006