Mercedes-Benz C-Class Coupe 2023 Operator's Manual page 327

Slowly slide oil dipstick 1 into the guide tube
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to the stop, and pull it out again a er approx-
imately three seconds.
Oil level is correct: oil level is between
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and 3.
Oil level too low: oil level is at
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Oil level too high: oil level is above 2.
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If the oil level is too low, add 1.1 US qt (1 liter)
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of engine oil.
If the oil level is too high, drain o excess
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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
comput com puter er
R R eq equir uirements: ements:
The engine has an oil level sensor. If not, the
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engine oil level can be checked only with the
oil dipstick ( page 324).
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The engine has been warmed up.
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The vehicle is parked on a level surface.
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The engine is running at idle speed.
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The hood is closed.
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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
On-board computer:
3 or below.
Service
4 5
One of the following messages will appear on the
instrument display:
Measuring Engine Oil
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of the oil level is not yet possible.
Repeat the request a er a maximum of
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30 minutes' driving.
he on-board
Engine Oil Level OK
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indicating the oil level on the instrument dis-
play is green and is between "min" and "max":
the oil level is correct.
Engine Oil Level Add 1.0 l
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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.
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Engine Oil Level
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Level...: measurement
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and the bar display for
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A A dding engine oil
and the bar display
Maintenance and care 325
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.
For Engine Oil Level Switch Ignition On
Switch on the vehicle to check the engine oil
level.
Engine Oil Level System Inoperative: The oil
level sensor is defective or not connected.
Consult a quali ed specialist workshop.
Engine Oil Level System Currently Unavail.
Close the hood.
dding engine oil
& W W ARNING
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.
325