Mercedes-Benz C-Class Coupe 2023, Operator'S Manual

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Slowly slide oil dipstick 1 into the guide tube
to the stop, and pull it out again a er approx-
imately three seconds.
R
Oil level is correct: oil level is between 2
and 3 .
R
Oil level too low: oil level is at 3 or below.
R
Oil level too high: oil level is above 2 .
#
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 o excess
engine oil. Visit a quali ed specialist work-
shop.
Chec Checking t king the engine oil lev he engine oil level using t el using the on-board he on-board
com comput puter er
RReq equir uirements: ements:
R
The engine has an oil level sensor. If not, the
engine oil level can be checked only with the
oil dipstick (
/
page 324).
R
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.
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.
On-board computer:
4
Service
5
Engine Oil Level
One of the following messages will appear on the
instrument display:
R
Measuring Engine Oil Level... : measurement
of the oil level is not yet possible.
#
Repeat the request a er a maximum of
30 minutes' driving.
R
Engine Oil Level OK and the bar display for
indicating the oil level on the instrument dis-
play is green and is between "min" and "max":
the oil level is correct.
R
Engine Oil Level Add 1.0 l and the bar display
for indicating the oil level on the instrument
display is orange and is below "min":
#
Add 1.1 US qt (1 l) of engine oil.
R
Reduce Engine Oil Level and the bar display
for indicating the oil level on the instrument
display is orange and is above "max":
#
Drain o any excess engine oil that has been
added. To do so, consult a quali ed specialist
workshop.
R
For Engine Oil Level Switch Ignition On
#
Switch on the vehicle to check the engine oil
level.
R
Engine Oil Level System Inoperative : The oil
level sensor is defective or not connected.
#
Consult a quali ed specialist workshop.
R
Engine Oil Level System Currently Unavail.
#
Close the hood.
AAdding engine oil dding engine oil
&
W WARNING ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Certain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of the exhaust system.
Maintenance and care 325 325