check oil level message comes on but oil level is max on 2007 Mercedes-Benz E350

I drove from Boston to NY this weekend but the check oil level message came on but the oil level is to the max when I checked.

by in Malden, MA on April 19, 2011
2 answers
ANSWER by on April 19, 2011
I suspect that the system uses a float in the oil pan to determine the oil level and it's sunk. The other possibility is that the warning system has an electrical failure in the module but a sunken float is more likely. If you want to find a specialist, here's a directory link for you: https://repairpal.com/directory?address=02148&car_brand_names=Mercedes-Benz
ANSWER by on April 19, 2011
oil level sensor may be bad, there is no float.