Mercedes-Benz GLC Series Operator's Manual page 286

284 Maintenance and care
Park the vehicle on a level surface.
#
Pull oil dipstick 1 out and wipe off.
#
Slowly slide oil dipstick 1 into the guide
#
tube to the stop, and pull it out again after
about three seconds.
Oil level is correct: oil level is between
R
and 3.
Oil level too low: oil level is at
R
below.
Oil level too high: oil level is above 2.
R
If the oil level is too low, add 1.1 US qt
#
(1 liter) of engine oil.
If the oil level is too high, drain off excess
#
engine oil. Consult a qualified specialist
workshop.
Checking the engine oil level using the on-
board computer
Requirements:
The engine has been warmed up.
R
The vehicle is parked on a level surface.
R
The engine is running at idle speed.
R
The hood is closed.
R
The engine oil level is determined during driving.
Determining the engine oil level can take up to
30 minutes with a normal driving style and even
longer with an active driving style.
2
3 or
On-board computer:
Service Engine Oil Level
4 5
One of the following messages will appear on
the multifunction display:
Measuring Engine Oil Level...: measurement
R
of the oil level is not yet possible.
Repeat the request after a maximum of
#
30 minutes' driving.
Engine Oil Level OK and the bar display for
R
indicating the oil level on the multifunction
display is green and is between "min" and
"max": the oil level is correct.
Engine Oil Level Add 1.0 l and the bar display
R
for indicating the oil level on the multifunc‐
tion display is orange and is below "min":
Add 1.1 US qt (1 l) of engine oil.
#
Reduce Engine Oil Level and the bar display
R
for indicating the oil level on the multifunc‐
tion display is orange and is above "max":