X
Replace cap
:
on the filler neck and turn
clockwise.
Make sure that the cap locks securely into
place.
X
Check the oil level again with the oil dip-
stick (
Y
page 322).
For further information on engine oil, see
(
Y
page 391).
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 gauge
must display less than 70 † . Otherwise, you
could be scalded if hot coolant escapes.
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 147).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
Y
page 147).
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
70 †.
X
Turn the key to position 0 (
Y
page 147) 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
;
.
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
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 392).
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.
X
To open: pull cap
:
upwards by the tab.
X
Top up with the premixed washer fluid.
X
To close: press cap
:
onto the filler neck
until it engages.
Engine compartment
323
Maint
enance
and
car
e
Z
Summary of Contents for CLS 2012
Page 2: ......
Page 3: ......
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Page 292: ...Useful information 290 Stowage areas 290 Features 303 289 Stowing and features...
Page 321: ...318...
Page 322: ...Useful information 320 Engine compartment 320 Service 324 Care 325 319 Maintenance and care...
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