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dipstick is (depending on the engine)
approximately 1.6 to 2.1 US qt. (1.5 to 2 l).
!
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
converter. Have excess oil siphoned off.
Further information on engine oil
(Y page 391).
X
Replace cap : on the filler neck and
tighten clockwise.
Ensure that the cap locks into place
securely.
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.
X
Turn the SmartKey to position
2(Y page 149) in the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page 150).
X
Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †).
G
Warning
In order to avoid any potentially serious burns:
R
use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system, or
if the coolant temperature display indicates
that the coolant is overheated.
R
do not remove the pressure cap on the
coolant reservoir if the coolant temperature
is above 158 ‡ (70 †). Allow the engine to
cool down before removing the cap. The
coolant reservoir contains hot fluid and is
under pressure.
R
using a rag, slowly turn the cap
approximately
1
/
2
turn to relieve excess
pressure. If opened immediately, scalding
hot fluid and steam will be blown out under
pressure.
R
do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts.
X
Slowly turn cap : half a turn counter-
clockwise and allow excess pressure to
escape.
X
Turn cap : further counter-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 is approximately 0.6 in
(1.5 cm) higher when warm, there is
enough coolant in coolant expansion
tank ;.
X
If necessary, add coolant which 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).
Engine compartment
311
Maintenance and care
BA 212 USA, CA Edition B 2011; 1; 5, en-US
dimargi Version: 3.0.3.6
2010-05-20T13:33:46+02:00 - Seite 311
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