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If necessary, add coolant that has been tested
X
and approved by Mercedes-Benz.
Replace cap : and turn it clockwise as far as
X
it will go.
For further information on coolant, see
(
page 339).
Y
Adding washer fluid to the windshield
washer system
G
WARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
Example: adding liquid to the windshield
washer system
To open: pull cap : upwards by the tab and
X
open.
Add 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 fluid level of 1.1 US qt (1.0 l),
a message appears in the multifunction display
prompting you to add washer fluid (
Further information on washer fluid
(
page 340).
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 Maintenance Book-
let).
Further information can be obtained at a quali-
fied specialist workshop, e.g. an authorized
Mercedes-Benz Center, or at
http://www.mbusa.com (USA only).
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 (
The multifunction display shows a service mes-
sage for several seconds, for example:
Service A in XX Days
R
Service A Due
R
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
number or another letter, indicates the type of
service.
major service.
You can obtain further information from an
authorized Mercedes-Benz Center.
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 a service message
page 236).
Y
Press the a or % button on the steering
X
wheel.
Displaying service messages
Switch on the ignition.
X
Use ò on the steering wheel to call up the
X
list of menus.
ASSYST PLUS
page 278).
Y
A
or B, possibly in connection with a
A
stands for a minor service and
281
B
for a
Z
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