and windscree
nwasher concentrate (e.g.
MB WinterFit) .Adapt the mixing ratio to the
outside temperatures.
X To open: pull cap:upwards by the tab.
X Top up with the premixed washer fluid.
X To close: press cap :onto the filler neck
until it engages. Maintenance
ASSYST PLUS service interval display
Service messages Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from a
Mercedes-Benz Service Centre.
The ASSYST PLUS service interval display
informs you when the nex tservice is due.
The multifunction display shows a service
message for a few seconds, e.g.:
Next service A due in .. days Service A due
Service A overdue by ... days
The letter indicates which service is due.
Astands for a minor service and
B for a major
service. A number or another letter may be
displayed after the letter. This figure indicates
any necessary additional maintenance work
to be performed.
If you report this displayed information to a
qualified specialist workshop, for example a
Mercedes-Benz Service Centre, they can
infor myou of the costs the service will incur.
The ASSYST PLUS service interval display
does not take into account any periods of
time during which the battery is disconnec-
ted. Maintaining the time-dependent service
schedule:
X
Note down the service due date displayed
in the multifunction display before discon-
necting the battery.
or
X Subtract the battery disconnection periods
from the service date shown on the display
after reconnecting the battery.
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 (Y page 302).
Hiding aservice message X
4-button multifunction steering wheel:
press C.
X 12-button multifunction steering
wheel: press%ora.
Displaying service messages X
Switch the ignitio non.
4-button multifunction steering wheel
X Use V to select the Servicemenu.
The service due date appears in the multi-
functio ndisplay.
12-button multifunction steering wheel
X Press the =or; button to selec tthe
Serv. menu.
X Press the 9or: button to select the
ASSYST PLUS submenu and confirm by
pressing the abutton.
The service due date appears in the multi-
function display.
Please bear the following in mind Resetting the ASSYST PLUS service inter-
val display
Aq
ualified specialist workshop, e.g. a
Mercedes-Ben zService Centre, will reset the Maintenance
305Maintenance and care Z
