Mercedes-Benz E-Class 2010 Owner's Manual page 264

Adding engine oil
H Environmental note
When topping up the oil, take care not to spill
any. If oil enters the soil or waterways, it is
harmful to the environment.
Engine oil cap (example)
Turn cap : anti-clockwise and remove it.
X
Top up with the amount of oil required.
X
Fill carefully to the maximum mark on the oil
dipstick.
i
Depending on the engine, the difference
between the minimum mark and the maxi-
mum mark is approximately 1.5 – 2 litres.
!
Do not add too much oil. If the oil level is
above the "max" mark on the dipstick, too
much oil has been added. This can lead to
damage to the engine or the catalytic con-
verter. Have excess oil siphoned off.
Further information on engine oil
( page 315).
Y
Replace cap : on the filler neck and
X
tighten clockwise.
Ensure that the cap locks into place
securely.
Engine compartment
Checking and adding other service
products
Checking the coolant level
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.
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
Check the coolant temperature display 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.
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.
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 is approximately 1.5 cm
higher when it is warm, there is enough
coolant in coolant expansion tank ;.
261
page 135) in
Y
page 135).
Y
Z