Mercedes-Benz G-Class Operator's Manual page 287

engine oils and oil filters tested and
approved in accordance with the
Mercedes-Benz Specifications for Service
Products at any Mercedes-Benz Service
center.
Damage to the engine or exhaust system is
caused by the following:
using engine oils and oil filters that have
R
not been specifically approved for the
service system
replacing engine oil and oil filters after
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the interval for replacement specified by
the service system has been exceeded
using engine oil additives.
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! Do not add too much oil. If the oil level is
above the "max" mark on the dipstick, too
much oil has been added. This can lead to
damage to the engine or the catalytic
converter. Have excess oil siphoned off.
Example: engine oil cap
Turn cap : counter-clockwise and remove
X
it.
Add the amount of oil required.
X
Observe the specifications in the on-board
computer when doing so or fill carefully to the
maximum mark on the oil dipstick.
Further information on engine oil
( page 346).
Y
i
The difference between the minimum
mark and the maximum mark on the oil
dipstick is approximately 2.1 US qt (2 l).
Engine compartment
Replace cap : on the filler neck and
X
tighten clockwise.
Ensure that the cap locks into place
securely.
Additional service products
Checking coolant level
G WARNING
The engine cooling system is pressurized,
particularly when the engine is warm. When
opening the cap, you could be scalded by hot
coolant spraying out. There is a risk of injury.
Let the engine cool down before opening the
cap. Wear eye and hand protection when
opening the cap. Open the cap slowly half a
turn to allow pressure to escape.
Park the vehicle on a level surface.
X
Only check the coolant level when the
vehicle is on a level surface and the engine
has cooled down.
Turn the SmartKey to position 2 in the
X
ignition lock ( page 139).
Y
Check the coolant temperature display in
X
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †).
Slowly turn cap : half a turn counter-
X
clockwise to allow excess pressure to
escape.
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