Mercedes-Benz M-Class Owner's Manual page 325

Maintenance
322
You can identify service products approved
by Mercedes-Benz by the following inscrip-
tions on the container:
MB-Freigabe (e.g. MB-Freigabe 371.0)
R
MB-Approval (e.g. MB-Approval 371.0)
R
Other labels and recommendations that
make reference to quality level or a speci-
fication according to an MB Sheet no. (e.g.
MB 371.0) are not necessarily approved by
Mercedes-Benz.
You can obtain further information from
any Mercedes-Benz Service Centre.
G
WARNING
Windscreen washer fluid is highly flammable.
Fire, naked flames and smoking are prohibi-
ted when handling washer fluid concentrate.
! Only use washer fluid concentrate which
is suitable for plastic lamp lenses. Unsuit-
able washer fluid concentrate could dam-
age the plastic lamp lenses of the head-
lamps.
! Do not use distilled or de-ionised water in
the washer fluid reservoir. Otherwise, the
level sensor may be damaged.
i
Add windscreen washer concentrate, e.g.
MB SummerFit, to the washer fluid all year
round.
Example: washer fluid reservoir
Mix the windscreen washer fluid in a con-
X
tainer beforehand.
At temperatures above freezing: fill the
X
washer fluid reservoir with a mix of water
and windscreen washer concentrate (e.g.
MB SummerFit).
At temperatures below freezing: fill the
X
washer fluid reservoir with a mix of water
and windscreen washer concentrate (e.g.
MB WinterFit). Adapt the mixing ratio to the
outside temperatures.
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
X
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 next service 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.
stands for a minor service and
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
inform you 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.
A
B for a major