Mercedes-Benz S-Class 2011 Operator's Manual page 402

Display messages
400
The display messages and the corresponding symbol that indicate that the oil level is too
low must not be ignored.
Display messages
4
Engine Oil Level
Low Stop Vehicle
Turn Engine Off
4
Engine Oil Level
Too High
4
Engine Oil Level
Cannot Be Measured
C
8
Reserve Fuel
8
Gas Cap Loose
Possible causes/consequences and M Solutions
Vehicles without an oil dipstick: the engine oil level is too low.
There is a risk of engine damage.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Apply the parking brake.
X
Add the engine oil (
( Y page 447).
Vehicles without an oil dipstick: you have added too much engine
oil. There is a risk of damage to the engine or to the catalytic
converter.
X
Have the excess oil siphoned off at a qualified specialist
workshop. Observe the legal requirements.
Vehicles without an oil dipstick: the measuring system is faulty.
X
Visit a qualified specialist workshop.
There is only a small amount of fuel in the fuel tank.
X
Refuel at the nearest gas station.
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station.
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
X
If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X
If the fuel filler cap is closed: visit a qualified specialist
workshop.
Y page 449) and check the oil level