Mercedes-Benz S-CLASS 2017 Operator's Manual page 318

Engine compartment
316
Example: adding engine oil
Turn cap : counter-clockwise and remove it.
X
Add engine oil.
X
If the oil level is at or below the MIN mark on
the oil dipstick, add 1.1 US qt (1.0 liter) of
engine oil.
Replace cap : on the filler neck and tighten
X
clockwise.
Ensure that the cap locks into place securely.
Check the oil level using the on-board com-
X
puter (except S 600 and Mercedes-AMG S 65)
( page 314).
Y
Further information on engine oil (
Additional service products
Important safety notes
G
WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G
WARNING
The engine compartment contains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There
is a risk of injury.
If you need to do any work inside the engine
compartment:
switch off the ignition
R
never reach into the area where there is a
R
risk of danger from moving components,
such as the fan rotation area
remove jewelry and watches
R
keep items of clothing and hair, for exam-
R
ple, away from moving parts
G
WARNING
The cooling system is pressurized, particularly
when the motor is warm. If you open the cap,
you could be scalded if hot coolant sprays out.
There is a risk of injury.
Let the engine cool down before you open the
cap. Wear gloves and eye protection. Slowly
open the cap to relieve pressure.
G
WARNING
Opening the hood when the engine is over-
page 373).
Y
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
Checking coolant level
G
WARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G
WARNING
The cooling system is pressurized, particularly
when the motor is warm. If you open the cap,