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Engine compartment
284
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.
Example
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 141).
Y
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
Check the coolant temperature gauge in
X
the multifunction display.
The coolant temperature must be below
70 †.
Turn the key to position 0 (
X
the ignition lock.
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
warm, there is enough coolant in coolant
expansion tank :.
X
X
For further information on coolant, see
(
Y
Windscreen washer system and head-
lamp cleaning system
page 141).
Y
page 141) in
Y
Example
X
X
X
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 348).
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 following compo-
nents.
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.
To open: pull cap : upwards by the tab.
Top up with the premixed washer fluid.
To close: press cap : onto the filler neck
until it engages.
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