Page 31 of 394

31 Getting started
Unlocking
Starter switch positionsStarter switch0For removing key
1Power supplies to some electrical con-
sumers, such as seat adjustment
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
Warning!
G
When leaving the vehicle always remove the
key from the starter switch, take the Smart-
Key with KEYLESS-GO* (if so equipped) with
you and lock the vehicle. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause an ac-
cident and/or serious personal injury.iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in position P.
!If the key is left in starter switch posi-
tion 0 for an extended period of time, it
can no longer be turned in the starter
switch.
Remove the key from the starter
switch and reinsert.
If the key can still not be turned, the
battery may not be sufficiently
charged.
Check the battery and charge it
if necessary (
page 329).
Get a jump start (
page 332).
To prevent accelerated battery dis-
charge and a possible dead battery, al-
ways remove the key from the starter
switch.
Page 267 of 394

267 Operation
Maintenance
Calling up the service indicator
Switch ignition on.
The standard display of the control sys-
tem appears (
page 114).
Press button
k
or
j
on the mul-
tifunction steering wheel until FSS indi-
cator with the service symbol
9
or
´
and the service deadline appears
in the multifunction display.
Resetting the service indicator
In the event that the service on your vehi-
cle is not carried out by an authorized
Mercedes-Benz Center, you can reset the
service indicator yourself.
Switch ignition on.
The standard display of the control sys-
tem appears (
page 114).
Press button
k
or
j
on the mul-
tifunction steering wheel until the FSS
indicator with the service symbol
9
or
´
and the service deadline ap-
pears in the multifunction display.
Press the reset knob to the left in the
instrument cluster for about four sec-
onds.
This message appears in the multifunc-
tion display:Do you want to reset service inter-
val?
To confirm press button
To confirm, hold down the reset knob
until you hear a signal.
The service indicator now displays the
reset interval.
iIf the battery is disconnected, the days
of disconnection will not be included in
the count shown by the service indica-
tor. To arrive at the true service dead-
line, you will need to subtract these
days from the days shown in the ser-
vice indicator.
Do not confuse the service indicator
with the engine oil level indicator
:
.
iIf the service indicator was inadvertent-
ly reset, have a Mercedes-Benz Center
correct it.
Only reset if the proper service has
been performed. Resetting the system
without performing the proper service
as called for by the FSS will cause the
FSS to incorrectly determine the next
service interval which will result in en-
gine damage not covered by the
Mercedes-Benz Limited Warranty.
Page 301 of 394
301 Practical hints
What to do if …?
Display
Possible cause
Suggested solution
L
defective
Visit workshop!
One or more main functions of the Tele
Aid system are malfunctioning.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
Tele Aid battery
Visit workshop!
The emergency power battery for the Tele
Aid system is malfunctioning. If the vehi-
cle battery is also dead, Tele Aid will not
be operational.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
ì
Function
Not available
This display appears if button
ì
or
í
on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Close trunk lid!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 259).