Mercedes-Benz E-Class 2009 Owner's Manual page 186

imum mark on the dipstick, the engine or
catalytic converter could be damaged.
Have excess oil siphoned off.
Replace cap : on the filler neck and
X
tighten clockwise.
Ensure that the cap locks into place
securely.
For further information on engine oil, see
( page 288).
Y
Coolant
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
Turn the key to position 2 (
X
the ignition lock.
Check the coolant temperature gauge in
X
the instrument cluster.
G
Risk of injury
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.
The coolant expansion tank is located in the
engine compartment on the right when
viewed in the direction of travel.
* optional
Slowly turn cap : half a turn anti-clock-
X
wise and allow excess pressure to escape.
Turn cap : further anti-clockwise and
X
remove it.
There is sufficient coolant in expansion
tank ; if the coolant is level with marks
= in the filler neck when cold or approx-
imately 1.5 cm higher when hot.
If necessary, top up with coolant which has
X
been tested and approved by Mercedes-
Benz.
Replace cap : and tighten all the way to
X
the stop.
For further information on coolant, see
(
Y
page 65) in
Y
Windscreen washer system/head-
lamp cleaning system*
The washer fluid reservoir for the windscreen
washer system and headlamp cleaning sys-
tem* is located in the engine compartment
on the left-hand side when viewed in the
direction of travel.
i
the washer fluid all year round.
G
Windscreen washer fluid is highly flammable.
Fire, naked flames and smoking are prohibi-
ted when handling washer fluid concentrate.
! Only use washer fluid concentrate which
is suitable for plastic lamp lenses. Unsuit-
Engine compartment
page 290).
Add windscreen washer concentrate to
Risk of fire
183
Z