Mercedes-Benz GLS 2023 Operator's Manual page 344

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342 Maintenance and care
On-board computer:
Service
Engine Oil Level
4
5
One of the following messages will appear on the
instrument 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 instrument dis-
play is green and is between "min" and "max":
the oil level is correct.
Engine Oil Level Add 1,1 qts.
and the bar dis-
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play for indicating the oil level on the instru-
ment 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
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for indicating the oil level on the instrument
display is orange and is above "max":
Drain off any excess engine oil that has been
#
added. To do so, consult a qualified specialist
workshop.
For Engine Oil Level Switch Ignition On
R
Switch on the vehicle to check the engine oil
#
level.
Engine Oil Level System
Inoperative: The oil
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level sensor is defective or not connected.
Consult a qualified specialist workshop.
#
Engine Oil Level System Currently Unavail.
R
Close the hood.
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Refilling engine oil
& WARNING 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.
Allow the engine to cool down and only
#
touch component parts described in the
following.
& WARNING Risk of fire and injury from
engine oil
If engine oil comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite.
Make sure that no engine oil is spilled
#
next to the filler opening.
Allow the engine to cool off and thor-
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oughly clean the engine oil from compo-
nent parts before starting the vehicle.
* NOTE Engine damage caused by an incor-
rect oil filter, incorrect oil or additives
Do not use engine oils or oil filters which
#
do not correspond to the specifications
explicitly prescribed for the service inter-
vals.
Follow the instructions on the service
#
interval display for changing the engine
oil and observe the prescribed change
intervals.
Do not use additives.
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