Mercedes-Benz GLS Owner's Manual page 374

On-board computer:
Service Engine oil level
4 5
One of the following messages will appear on
the multifunction display:
Engine oil level Measuring now: measure‐
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ment of the oil level is not yet possible.
Repeat the request after a maximum of
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30 minutes' driving.
Engine oil level OK and the bar display for
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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
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for indicating the oil level on the multifunc‐
tion display is orange and is below "min":
Add 1 l of engine oil.
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Reduce engine oil level and the bar display
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for indicating the oil level on the multifunc‐
tion display is orange 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 turn on ignition
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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 System currently unavail.
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Close the bonnet.
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Topping up engine oil
& WARNING Risk of burns from hot com‐
ponent 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.
Maintenance and care 371
& WARNING Risk of fire and injury from
engine oil
If engine oil comes into contact with hot
component parts in the engine compart‐
ment, 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.
* NOTE Engine damage caused by an
incorrect oil filter, incorrect oil or addi‐
tives
Do not use engine oils or oil filters
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which do not correspond to the specifi‐
cations explicitly prescribed for the
service intervals.
Follow the instructions on the service
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interval display for changing the engine
oil and observe the prescribed change
intervals.