warning message fault

I have got red warnings on my multi-function display together with a persistent beeping. first warning shows 'STOP' in left hand screen with 'Brake Defective Stop Vehicle' in right hand one, this changes every 5-10 seconds or so to a diagram of a battery in LHS screen and 'Battery/Alternator...

Hi, I have an e320 cdi V6 2008 model and it has started to give a dashboard warning - 'Check tyres and restart run flat indicator'. The rub is the tyre pressure monitoring system is NOT installed on this car! I have tried pressing the r button and the message goes away but just comes back...