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572 Maintenance and care
Turn cap
1
anti-clockwise and remove it.
#
Top up the engine oil.
#
Replace cap
1
and turn it clockwise until it
#
engages.
Check the oil level again (
/
#
Checking the coolant level
& DANGER Risk of fatal injuries when carry-
ing out maintenance work during the
charging process
During the charging process, the high-voltage
on-board electrical system is under high volt-
age.
Do not perform any maintenance work
#
during the charging process.
& WARNING Risk of burns when opening the
bonnet
If you open the bonnet in the event of an over-
heated engine or fire in the engine compart-
page 28).
ment, the following situations may occur:
You may come into contact with hot gases.
R
You may come into contact with other
R
escaping hot operating fluids.
Before opening the bonnet, allow the
#
engine to cool down.
In the event of a fire in the engine com-
#
partment, keep the bonnet closed and
call the fire service.
& WARNING Risk of injury due to moving
parts
Components in the engine compartment may
continue to run or start unexpectedly even
when the drive system is switched off.
Observe the following if you must open the
bonnet:
F118 0058 02
Switch off the vehicle.
#
Never touch the danger zones surround-
#
ing moving components, e.g. the rotation
area of the fan.
Remove jewellery and watches.
#
Keep items of clothing and hair away
#
from moving parts.
& WARNING Risk of scalding from hot cool-
ant
If you open the cap, you could scald yourself.
Allow the engine to cool down before
#
opening the cap.
When opening the cap, wear protective
#
gloves and safety glasses.
Open the cap slowly to release pressure.
#
& 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.
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