X
Chec kthe coolant temperature display in
the instrument cluster.
The coolant temperature must be below
70 †.
X Slowly turn cap :half a turn anti-clock-
wise to allow excess pressure to escape.
X Turn cap :further anti-clockwise and
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 ;.
X If necessary, top up with coolant that has
been tested and approved by Mercedes-
Benz.
X Replace cap :and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 347).
Topping up the windscreen washer sys-
tem/headlampc leaning systemG
WARNING
Windscreen washer fluid is highly flammable.
Fire, naked flames and smoking are prohibi-
ted when handling washer fluid concentrate. Example: washer fluid reservoir 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.
The washer fluid reservoir is used for both the
windscreen washer syste mand the headlamp
cleaning system.
Further informatio nonwindscreen washer
fluid/antifreeze (Y page 347). Service
ASSYST 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 service interval display informs
you of the nex tservice due date.
If a service due date has been exceeded, you
also hear a warning tone.
The multifunction display shows a service
message for a few seconds, e.g.:
Service A in 99999 km Service A due now
Service A 99999 km overdue
Maintaining the time-dependen
tservice
schedule:
X Note down the service due date displayed
before disconnecting the battery.
Or:
X After reconnecting the battery, subtract
the battery disconnection periods from the
service date shown on the display.
The symbol and the letter indicate which type
of service is due:
¯ Minor service A ±
Major service B294
ServiceMaintenance and care
