Mercedes-Benz B-Class 2011 Owner's Manual page 268

Replace cap : on the filler neck and turn
X
clockwise.
Make sure that the cap locks into place
securely.
Check the oil level again with the oil dip-
X
stick ( page 264).
Y
Further information on engine oil
( page 314).
Y
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.
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 127).
Y
Engine compartment
Check the coolant temperature display in
X
the instrument cluster.
The coolant temperature must be below
40 †.
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 necessary, top up with coolant that has
X
been tested and approved by Mercedes-
Benz.
Replace cap : and turn it clockwise as far
X
as it will go.
For further information on coolant, see
( page 316).
Y
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.
265
page 127) in
Y
Z