Page 110 of 400

110 Controls in detailInstrument clusterCoolant temperature display
Turn the SmartKey in the starter switch to
position1 or2.
Call up the trip odometer and main
odometer by pressing buttonè
orÿ on the multifunction steering
wheel (
page 114).
Press buttonj ork until the
coolant temperature display appears.During severe operating conditions, e.g.
stop-and-go traffic, the coolant tempera-
ture may rise close to 248°F (120°C).
The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious en-
gine damage which is not covered by the
Mercedes-Benz Limited Warranty.
Warning!
G
Driving when your engine is badly
overheated can cause some fluids which
may have leaked into the engine
compartment to catch fire. You could be
seriously burned.
Steam from an overheated engine can
cause serious burns and can occur just
by opening the hood. Stay away from
the engine if you see or hear steam com-
ing from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until the
engine has cooled down.
iExcessive coolant temperature triggers
a warning in the multifunction display.
Page 113 of 400

113 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1. The control system
enables you to
call up information about your vehicle
change vehicle settings
For example, you can use the control
system to find out when your vehicle is
next due for service, to set the language
for messages in the instrument cluster
display, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Outside temperature
2Main odometer
3Trip odometer
4Automatic transmission program mode
5Current gear selector lever position
6Digital clock
iThe displays for the audio systems
(radio, CD player, cassette player) will
appear in English, regardless of the
language selected.
Warning!
G
A driver’s attention to the road and traffic
conditions must always be his/her primary
focus when driving.
For your safety and the safety of others,
selecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions
permit it to be done safely.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 13.5 m) every second.
Page 119 of 400
119 Controls in detail
Control system
Select radio station
Turn on the radio (
page 176).
Vehicles with COMAND*:
Refer to separate operating
instructions.
Press buttonè orÿ repeatedly
until you see the currently tuned
station in the display.
1Station frequency
2Waveband setting
3Setting for station selection using
memory
Press buttonk orj repeatedly
until the desired station is found.
The type of search depends on the
setting for the station tuning
(page 132):
The next stored station is selected
(SP)
Station searchSelect satellite radio station*
The Sirius-Satellite-Radio is treated as a
radio application.
Select SAT radio with the correspond-
ing softkey in the radio menu.
1Channel name or number
2SAT mode and preset number
3Setting for station selection using
memory
iYou can only store new stations using
the corresponding feature on the radio
(page 181).
Vehicles with COMAND*:
Refer to separate operating
instructions.
You can also operate the radio in the
usual manner.
Page 120 of 400
120 Controls in detailControl system
Press buttonk orj repeatedly
until the desired channel is found.Operate the CD player*
Turn on the radio and select the CD
player (
page 189).
Vehicles with COMAND*:
Refer to separate operating
instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played are shown in the display.
1Current track
2Current CD (for CD changer*)
Press buttonk orj repeatedly
until the desired track is selected.
iFeature description is based on
preliminary information available at
time of printing.
For more information on satellite radio
operation, see “Satellite radio (SAT)*
(USA only)” (
page 182).
Vehicles with COMAND*:
Refer to separate operating
instructions.
iTo select a CD from the magazine,
press a number on the audio system or
the COMAND* system key pad located
in the center dashboard.
Page 122 of 400

122 Controls in detailControl systemMalfunction memory menu
Use the malfunction memory menu to scan
malfunction and warning messages that
may be stored in the system. What
information is shown in the display
depends on whether malfunctions have
actually occurred.
Press buttonè orÿ repeatedly
until you see the malfunction message
memory in the display.
No malfunction messages
If no malfunctions have occurred, the
message in the display is:
NO MALFUNCTIONMalfunctions have occurred
If malfunctions have occurred, you will see
the number of malfunctions in the display:
1Number of malfunctions
Press buttonk orj.
The stored messages will now be dis-
played in order. For malfunction and
warning messages, see “Messages in
the display” (
page 280).
Should any malfunctions occur while
driving, the number of malfunctions will
reappear in the display when the SmartKey
in the starter switch is turned to position0
or removed from the starter switch.
Warning!
G
Malfunction and warning messages are only
indicated for certain systems and are inten-
tionally not very detailed. The malfunction
and warning messages are simply a remind-
er with respect to the operation of certain
systems and do not replace the owner’s
and/or driver’s responsibility to maintain
the vehicle’s operating safety by having all
required maintenance and safety checks
performed on the vehicle and by bringing
the vehicle to an authorized Mercedes-Benz
Center to address the malfunction and
warning messages (
page 280).
iThe message memory will be cleared
when you turn the SmartKey in the
starter switch to position1 or2. You
will then only see high-priority
messages in the multifunction display
(page 280).
Page 123 of 400

123 Controls in detail
Control system
Settings menu
In the
SETTINGS
menu there are two
functions:
The function
RESET TO FACTORY
SETTINGS
, with which you can reset all
the settings to the original factory
settings.
A collection of submenus with which
you can make individual settings for
your vehicle.
Press buttonè orÿ repeatedly
until the
SETTINGS
menu is seen in the
display.Resetting all settings
You can reset all the functions of all
submenus to the factory settings.
Press the reset button in the
instrument cluster (
page 22) for
approximately three seconds.
In the display you will see the request
to press the reset button again to
confirm.
Press the reset button again.
The functions of all the submenus will
reset to factory settings.
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset button a second
time. Approximately five seconds after
pressing the reset button for the
second time, the
SETTINGS...
menu
reappears in the display.
For safety reasons, the following
functions are not reset while driving:
the
LIGHT CIRCUIT HEADLIGHT MODE
function in the
LIGHTING
submenu
the
SETTINGS KEY-DEPENDENT
function in the
CONVENIENCE
submenu
Page 125 of 400
125 Controls in detail
Control system
The table below shows what settings can
be changed within the various menus.
Detailed instructions on making individual
settings can be found on the following
pages.INSTRUMENT CLUSTER
LIGHTING
VEHICLE
CONVENIENCE
Set time (hours)
Set daytime running lamp mode
(USA only)
Set station selection mode
(radio)
Activate easy-entry/exit feature
Set time (minutes)
Set locator lighting
Set automatic locking
Set key-dependency
Select time display mode
Exterior lamps delayed shut-off
Set parking position for exterior
rear view mirror
Select temperature display
mode
Interior lighting delayed shut-off
Select speedometer display
modeSelect languageSelect display (speed display or
outside temperature)
Page 130 of 400

130 Controls in detailControl system
With daytime running lamp mode
selected and the exterior lamp switch
at position0, the following lamps will
come on automatically when the
engine is turned on:
Parking lamps and low beam
headlamps
License plate lamps (in low ambient
light conditions)Setting locator lighting
During darkness, the following lamps will
come on when the exterior lamp switch is
in positionU, the locator lighting
feature is activated, and the vehicle is
unlocked by SmartKey:
Parking lamps
Tail lamps
License plate lamps
Front fog lamps
To activate locator lighting:
Make sure the function
LOCATOR
LIGHTING
is set.
Turn the exterior lamp switch to
positionU.
The locator lighting switches off when the
driver’s door is opened. It switches off
automatically after a period of approxi-
mately 40 seconds.
Move the selection marker with
theæ orç button to the LIGHTING
submenu.
Press buttonj ork repeatedly
until you see this message in the
display:
LOCATOR LIGHTING
.
The selection marker is on the current
setting.
Pressæ orç to select the
desired setting.
The locator lighting will be switched on
or off.
iIf you turn the exterior lamp switch to
another position, the corresponding
lamp(s) will switch on.
For safety reasons, resetting the LIGHTING
submenu to factory settings
(
page 124) while driving will not
reset the daytime running lamp mode.
In the display you will then see the
message:
LIGHTING – CANNOT BE
TOTALLY RESET TO FACTORY SETTINGS
WHILE DRIVING
!.