Mercedes-Benz C-Class 2014 Owner's Manual page 397

Engine compartment
394
Allow the engine to cool before opening the
cap. Wear gloves and protective eyewear
when opening. Slowly turn the cap half a turn
to allow pressure to escape.
Park the vehicle on a level surface.
X
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 in the ignition
X
lock ( page 181).
Y
or
On vehicles with KEYLESS-GO, press the
X
Start/Stop button twice (
Check the coolant temperature display in
X
the instrument cluster.
The coolant temperature must be below
70 †.
Turn the key to position 0 (
X
the ignition lock.
or
On vehicles with KEYLESS-GO, pull the
X
Start/Stop button from the ignition lock
( page 181).
Y
Slowly turn cap : half a turn anti-clock-
X
wise to allow excess pressure to escape.
Turn cap : further anti-clockwise and
X
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough
coolant in coolant expansion tank ;.
If the coolant level is approximately 1.5 cm
above marker bar = in the filler neck when
X
X
For further information on coolant, see
(
Y
Topping up the windscreen washer sys-
tem
page 181).
Y
page 181) in
Y
warm, there is enough coolant in coolant
expansion tank ;.
If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
Replace cap : and turn it clockwise as far
as it will go.
page 475).
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.
G WARNING
If windscreen washer concentrate comes into
contact with hot components of the engine or
the exhaust system, it can ignite. There is a
risk of fire and injury.
Make sure the windscreen washer concen-
trate does not come into contact with the filler
neck.