Mercedes-Benz E-Class Owner's Manual page 371

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.
X
Park the vehicle on a level surface.
Only check the coolant level if the vehicle
is on a level surface and the engine has
cooled down.
X
Turn the key to position 2 in the ignition
lock ( Y page 177).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
70 †.
X
Turn the key to position 0 (
the ignition lock.
X
Slowly turn cap : half a turn anti-clock-
wise to allow excess pressure to escape.
X
Turn cap : further anti-clockwise and
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
Topping up the windscreen washer sys-
tem
Y page 177).
Y page 177) in
X
X
X
If the washer fluid level drops below the rec-
ommended minimum of 1 litre, a message
Engine compartment
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 following compo-
nents.
G
WARNING
Windscreen washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windscreen washer con-
centrate is spilled next to 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.
369
Z