Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 319

Engine compartment
316
Adding engine oil
G
WARNING
If engine oil comes into contact with hot
engine parts, it may ignite and you could burn
yourself. Do not spill any engine oil on hot
engine parts.
H
Environmental note
When topping up the oil, take care not to spill
any. If oil enters the soil or waterways, it is
harmful to the environment.
! Only use engine oils and oil filters that
have been approved for vehicles with a
service system. You can obtain a list of the
engine oils and oil filters tested and
approved in accordance with the
Mercedes-Benz Specifications for Service
Products at any Mercedes-Benz Service
Centre.
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
changing the engine oil and oil filter after
R
missing the change interval required by
the service system
using engine oil additives
R
! 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 con-
verter. Have excess oil siphoned off.
Example: engine oil filler cap
Turn cap : anti-clockwise and remove it.
X
Top up the engine oil.
X
If the oil level is at or below the MIN mark
on the oil dipstick, add 1.0 litre of engine
oil.
Replace cap : on the filler neck and turn
X
clockwise.
Make sure that the cap locks securely into
place.
Check the oil level again with the oil dip-
X
stick ( page 315).
Y
For further information on engine oil, see
( page 369).
Y
Checking and adding other service
products
Checking the coolant level
G
WARNING
The cooling system is pressurised. Therefore,
only unscrew the cap once the engine has
cooled down. The coolant temperature gauge
must display less than 70 † . Otherwise, you
could be scalded if hot coolant escapes.
Only check the coolant level if the vehicle is
on a level surface and the engine has cooled
down.
Turn the key to position 2 (
X
the ignition lock.
page 147) in
Y