Mercedes-Benz G 550 2020, Operator'S Manual

Page: 358 / 530

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Turn cap 1 counter-clockwise and remove
it.
#
Add engine oil.
#
Replace cap 1 and turn it clockwise as far
as it will go.
#
Check the oil level again (
/
page 354).
Checking coolant level
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain components in the engine compart‐
ment can be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
#
Allow the engine to cool down and only
touch component parts described in
the following.
&
WARNING Risk of scalding from hot
coolant
The engine cooling system is pressurized,
particularly when the engine is warm. If you
open the cap, you could be scalded by hot
coolant spraying out.
#
Let the engine cool down before open‐
ing the cap.
#
When opening the cap, wear protective
gloves and safety glasses.
#
Open the cap slowly to release pres‐
sure.
#
Park the vehicle on a level surface.
#
Check the coolant temperature display in the
instrument cluster.
The coolant temperature must be in the bot‐
tom quarter of the temperature display.
#
Slowly turn cap 1 counter-clockwise to
relieve overpressure.
356 Maintenance and care