Topping Up - Mercedes-Benz R-Class Owner's Manual

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 280).
For further information on engine oil, see
( Y page 343).
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 be 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 145).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (
X
Check the coolant temperature gauge in
the multifunction display.
The coolant temperature must be below
70 †.
X
Turn the key to position 0 (
the ignition lock.
X
X
X
X
For further information on coolant, see
( Y
Topping up the windscreen washer sys-
tem/headlamp cleaning system
Y page 145).
X
X
Y page 145) in
X
Engine compartment
Slowly turn cap : half a turn anti-clock-
wise to allow excess pressure to escape.
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 ;.
If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
Replace cap : and turn it clockwise as far
as it will go.
page 345).
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.
To open: pull cap : upwards by the tab.
Top up with the premixed washer fluid.
To close: press cap : onto the filler neck
until it engages.
281
Z