Sl500 tyre pressures automatic readings

[Mark.merc]

Can anyone tell me if all 2002 SL500 can show the tyre pressures on the in car instrument panel.
My owners manual tells me it can,but unless I am being a Numpty I can't get it to show me?
Fantastic car though well pleased with it,despite all the horror stories on the Internet about owning one.

 

[whitenemesis]

Optional I believe. Often denoted as such in the manual by an *