Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 364

362 Maintenance and care
Add 1 l of engine oil.
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Engine oil level Reduce and the bar display for
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indicating the oil level on the driver display is
yellow and is above "max":
Drain off any excess engine oil that has been
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added. To do so, consult a qualified specialist
workshop.
For engine oil level switch on ignition
R
Switch on the ignition to check the engine oil
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level.
Engine oil level System inoperative: The oil
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level sensor is defective or not connected.
Consult a qualified specialist workshop.
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Engine oil level currently inoperative
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Close the bonnet.
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▌Topping up 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
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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
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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.
P223 0288 02
* NOTE Engine damage caused by an incor-
rect oil filter, incorrect oil or additives
Do not use engine oils or oil filters which
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do not correspond to the specifications
explicitly prescribed for the service inter-
vals.
Follow the instructions on the service
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interval display for changing the engine
oil and observe the prescribed change
intervals.
Do not use additives.
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* NOTE Damage caused by topping up too
much engine oil
Too much engine oil can damage the engine or
the catalytic converter.
Have excess engine oil removed at a
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qualified specialist workshop.