well that didn't work
I left the battery charging overnight again and it didn't get to the final stage, step 7 on the ctek.
I attached the Mondeo jump leads as well as the ctek and attempted to start. I opened the door and could see the red mileage digits and interior lights came on. Everything seemed to be working inside the 8, I put the key in and turned once, no ignition lights, turned again to attempt to start and nothing, and I mean nothing, not a peep from the engine.
Not sure where to go from here, is there any point buying a new battery - (I checked the battery level from the 'car menu' before starting and it was at 1 bar on the gauge even thought the CTEK was at '6' which intheory should be full) or do I need to look at the starter