Mercedes-Benz B-Class 2011, Owner'S Manual

Page: 268 / 329

X
Replace cap : on the filler neck and turn
clockwise.
Make sure that the cap locks into place
securely.
X
Check the oil level again with the oil dip-
stick (
Y
page 264).
Further information on engine oil
(
Y
page 314).
Checking and adding other service
products
Checking the coolant level
G
WARNING
The cooling system is pressurised. Therefore,
only unscrew the cap once the engine has
cooled down. The coolant temperature dis-
play must show less than 40 †. Otherwise,
you could be scalded if hot coolant escapes.
!
The coolant level must only be checked
and corrected when the engine has cooled
down (coolant temperature under 40 †).
Checking the coolant level when the cool-
ant temperature is over 40 † can lead to
damage to the engine or engine cooling
system.
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 127).
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
40 †.
X
Turn the key to position 0(
Y
page 127) in
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 ; .
X
If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
X
Replace cap : and turn it clockwise as far
as it will go.
For further information on coolant, see
(
Y
page 316).
Topping up the windscreen washer sys-
tem/headlamp cleaning system
G WARNING
Windscreen washer fluid/antifreeze is highly
flammable. Avoid spilling windscreen washer
fluid/antifreeze on hot engine components as
it can ignite and burn. Severe burns could be
the result.
Engine compartment
265
Maint
enance
and
car
e
Z