oil pressure

Hi everyone, The oil pressure on my 190e 2.6 is concerning me a little. At hot idle the pressure on the gauge is reading a bit under 0.5bar. When the accelerator is pressed, it quickly goes up to around 2, and at 60mph+ it reads just over 2.5. The engine has about 150k under its belt, emits no...

I'm wanting to know if it is possible to put a oil pressure switch/sensor on the c250td. Is there a oil pressure take off point that has a blanking plug screwed into it? After spending a few days driving round in various cars it dawned on me that my c class was the only car I have driven...