Mercedes-Benz S-Class Saloon 2021 Owner's Manual page 421

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418 Maintenance and care
418
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 t
Chec
king the coolant lev
& W W ARNING
ARNING 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.
& W W ARNING
ARNING Risk of scalding from hot cool-
ant
If you open the cap, you could be scalded.
Let the motor cool down before opening
#
the cap.
When opening the cap, wear protective
#
gloves and safety glasses.
Open the cap slowly to release pressure.
#
page 416).
Only have the coolant checked or re lled at a
#
quali ed specialist workshop.
he coolant level el
T T opping up t
opping up the windscr
he windscreen w
een washer syst
asher system
& W W ARNING
ARNING 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 o .
Observe the following if you must open the
bonnet:
Switch o 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.
& W W ARNING
ARNING 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.
em

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