Mercedes-Benz CLS Owner's Manual page 299

296 Maintenance and care
If the bonnet can still be lifted slightly, open
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the bonnet again and close it with a little
more force until it engages correctly.
Engine oil
Checking the engine oil level using the on-
board computer
Requirements:
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 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:
Service Engine oil level
4 5
You will see one of the following messages 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.
& 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.