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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 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
X
been tested and approved by Mercedes-Benz.
Replace cap : and turn it clockwise as far as
X
it will go.
Further information on coolant (
Topping up the windscreen washer sys-
tem
To open: pull cap : upwards by the tab and
X
open.
Top up with the premixed washer fluid.
X
To close: press cap : onto the filler neck
X
until it engages.
If the washer fluid level drops below the recom-
mended minimum of 1 litre, a message appears
in the multifunction display prompting you to
top up the washer fluid (
Further information on windscreen washer
fluid/antifreeze (
page 377).
Y
ASSYST PLUS
Service message
The ASSYST PLUS service interval display
informs you of the next service due date.
Information on the type of service and service
intervals (see the separate Service Booklet).
page 376).
Y
page 283).
Y
You can obtain further information from a
Mercedes-Benz Service Centre.
i
The ASSYST PLUS service interval display
does not show any information on the engine
oil level. Observe the notes on the engine oil
level (
page 323).
Y
The multifunction display shows a service mes-
sage for a few seconds, e.g.:
Service A in XX days
Service A in XX days
R
Service A due
Service A due
R
Service A overdue by XX days
Service A overdue by XX days
R
Depending on the operating conditions of the
vehicle, the remaining time or distance until the
next service due date is displayed.
The letter indicates which service is due.
stands for a minor service and
vice. A number or another letter may be dis-
played after the letter.
Only for certain countries: the position after the
letter
A A
or
B B
indicates any necessary additional
maintenance work. If you notify a qualified spe-
cialist workshop of this display, you will receive
a statement on the associated costs.
The ASSYST PLUS service interval display does
not take into account any periods of time during
which the battery is disconnected.
Maintaining the time-dependent service sched-
ule:
Note down the service due date displayed in
X
the multifunction display before disconnect-
ing the battery.
or
After reconnecting the battery, subtract the
X
battery disconnection periods from the ser-
vice date shown on the display.
Hiding service messages
Press the a or % button on the steering
X
wheel.
Displaying service messages
Switch the ignition on.
X
Use ò on the steering wheel to call up the
X
list of menus.
ASSYST PLUS
A A
B B
for a major ser-
Z
325
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