Mercedes-Benz Citan 2015 Operating Instructions Manual page 165

Vehicles with a diesel engine (example)
X
Y
Open the bonnet (
X
Turn cap : anticlockwise and remove it.
X
Top up the engine oil.
If the oil level is at or under MIN mark ? on
the oil dipstick, add 0.5 to 1.0 litre of engine
oil.
X
Check the oil level again with the oil dipstick
Y
( page 161).
X
Replace cap : on the filler neck and turn
clockwise.
When doing so, make sure that the cap
engages correctly.
X
Y
Close the bonnet (
For further information on engine oil, see
Y
( page 160).
Checking and refilling other service
products
Checking the coolant level
G
WARNING
If the ECO start/stop function is activated,
the engine can be started unintentionally, e.g.
by accidentally depressing the clutch pedal. If
work is being carried out on the engine under
these circumstances, there is a risk of injury
from moving engine parts.
Deactivate the ECO start/stop function
before work is carried out on the engine.
G
WARNING
The cooling system is pressurised, particu-
larly when the engine is warm. If you open the
page 159).
page 159).
Engine compartment
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. Open
the cap slowly to release the pressure.
G
WARNING
Certain components in the engine compart-
ment could be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is a risk of injury when accessing the
engine compartment.
As far as possible, allow the engine to cool
down and only touch the components descri-
bed in the following.
! Only check and correct the coolant level
when the engine has cooled down. Checking
the coolant level when the coolant tempera-
ture is too high can lead to damage to the
engine or engine cooling system.
Vehicles with a diesel engine (example)
X
Park the vehicle on a level surface.
Only check the coolant level with the vehicle
standing on a level surface and with the
engine switched off.
X
Turn the key to position 2 in the ignition lock
Y
( page 103).
X
Check the coolant temperature gauge in the
instrument cluster (
The coolant temperature must be indicated
on the left half of the gauge.
X
Turn the key to position 0 in the ignition lock
Y
( page 103).
X
Y
Open the bonnet (
X
Slowly turn cap ; half a turn anticlockwise to
allow excess pressure to escape.
Y
page 24).
page 159).
163
Z