Engine Oil Cannot be Measured Warning light

[C250BLUE]

Hi,

Could do with some help figuring out what this 'Engine Oil Cannot be Measured' warning light is about and how do I go about fixing it.
This started happening yesterday. When I switch off the engine, the message goes away then after a couple minutes of driving the warning light comes back.
The car itself drives ok with no loss in performance.

I also stuck a litre of oil in as when I checked the oil level, it was showing as minimum on the onboard cluster, now after topping it up
the oil level reading not showing. Could it be a faulty sensor?

My car only done 37,000 miles, it's a c220d, premium plus model, 2018 model.

Thanks

 

[Petrol Pete]

Not sure about your car but the actual oil level (admittedly from the same sensor) can be accessed on the dash display vis the 'service mode' on some , like my 2006 C class.

When was the last oil change ?