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Set the Start/Stop button to key position
X
2.
Check the coolant temperature display in
X
the "AMG" menu (
Y
The coolant temperature must be below
158 ‡ (70 †).
Slowly turn cap : half a turn counter-
X
clockwise and allow excess pressure to
escape.
Turn cap : further counter-clockwise and
X
remove it.
If the coolant is at the level of the marker
bar in the filler neck when cold, there is
enough coolant in coolant expansion
tank ;.
If the coolant level is approximately 0.6 in
(1.5 cm) above the marker bar in the filler
neck when warm, there is enough coolant
in coolant expansion tank ;.
If necessary, add coolant that has been
X
tested and approved by Mercedes-Benz.
Replace cap : and turn it clockwise as far
X
as it will go.
You will find further information about coolant
in the "Technical data" section
(
page 280).
Y
Windshield washer system and
headlamp cleaning system
G
WARNING
If antifreeze comes into contact with hot
components in the engine compartment, it
may ignite. There is a risk of fire and injury.
page 157).
Let the engine cool down before you add
antifreeze. Make sure that antifreeze is not
spilled next to the filler neck. Thoroughly
clean the antifreeze from components before
starting the engine.
G
WARNING
Windshield washer concentrate is highly
flammable. If it comes into contact with hot
engine components or the exhaust system it
could ignite. There is a risk of fire and injury.
Make sure that no windshield washer
concentrate is spilled next to the filler neck.
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
To open: pull cap : upwards by the tab.
X
Add the premixed washer fluid.
X
To close: press cap : onto the filler neck
X
until it engages.
Further information on windshield washer
fluid/antifreeze (
page 281).
Y
Maintenance
Service interval display
Service messages
Information on the type of service and service
intervals (see the separate Maintenance
Booklet).
Maintenance
217
Z
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