Bentley Continental R electric seat problem

[D DUBS]

I wonder if anyone can give me some advice please?
I have had a Conti R for about a year its a 1999 car. The problem I have is with the drivers seat it will not move forward so that passengers can gain access to the rear seats.
I had it looked at in the summer with one or two more jobs at a specialists, he took the seat out sorted it and it worked for about a week then gave up again.
Has anyone had a similar problem and if so what`s the fix please?

[D DUBS]

Hi Matt Thanks for advice, at the moment nothing works on the drivers seat when you try to move the lever on the side its rock solid no tilt no move forward.