Page 90 of 400

90 Controls in detailLocking and unlockingSeparately unlocking the trunk
Pull the mechanical key out of the
SmartKey (
page 305).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key
counterclockwise to neutral
position1 (
page 89).
You can now open the trunk (
page 86).
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of ap-
proximately 9mph (15km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.For more information on towing the vehi-
cle, see see “Towing the vehicle”
(
page 328).
You can deactivate the automatic locking
mode using the control system, see “Set-
ting automatic locking” (
page 133).
iYou can only cancel the separate trunk
locking mode by means of the mechan-
ical key.
Warning!
G
Only drive with the trunk closed. Among
other dangers, such as your view being
blocked, exhaust fumes may enter the
vehicle interior.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle
is pushed or towed
is on a test stand
Page 107 of 400

107 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lights
2Right front reading lamp
3Rocker switch for automatic control
system
4Left front reading lampActivating automatic control
Press rocker switch3 to center
position.
Interior lamps are switched on in
darkness, even when you:
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
The interior lamps are switched off after a
preset time (
page 132).Deactivating automatic control
Press the= symbol on rocker
switch3.
The interior lighting remains switched
off, even when you:
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
Manual control
Switching all front interior lights on and
off
Press theW symbol on rocker
switch3.
The front interior lights come on.
Press rocker switch3 to center
position to activate the automatic
control.
iIf the door remains open, the interior
lamps switch off automatically after
approximately five minutes, when the
SmartKey is removed or in starter
switch position0.
An interior lamp switched on manually
does not go out automatically.
Page 109 of 400

109 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument
cluster, see “At a glance” (
page 22).
The instrument cluster is activated when
you
open a door
turn on the ignition
press the reset button (
page 22)
switch on the exterior lamps
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 126).
Instrument cluster illumination
Use the reset button (
page 22) to adjust
the illumination brightness for the instru-
ment cluster.To brighten illumination
Turn the reset button in the instrument
cluster clockwise (
page 22).
The instrument cluster illumination will
brighten.
To dim illumination
Turn the reset button in the instrument
cluster counterclockwise (
page 22).
The instrument cluster illumination will
dim.
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
Page 111 of 400

111 Controls in detail
Instrument cluster
Trip odometer
Make sure you are viewing the trip
odometer and main odometer in the
multifunction display (
page 113).
If it is not displayed, press buttonè
orÿ on the multifunction steering
wheel until the trip odometer appears
(page 114).
Press and hold the reset button on the
instrument cluster (
page 22) until
the trip odometer is reset.
Tachometer
The red marking on the tachometer
denotes excessive engine speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Outside temperature indicator
The outside temperature is indicated in the
multifunction display (
page 23). For
information on how to select the unit of the
indicated temperature, i.e. degrees
Celsius (°C) or degrees Fahrenheit (°F),
see “Selecting temperature display mode”
(
page 127).
!Avoid driving at excessive engine
speeds, as it may result in serious
engine damage that is not covered by
the Mercedes-Benz Limited Warranty.
Warning!
G
The outside temperature indicator is not de-
signed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
Page 117 of 400
117 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Standard display
AUDIO
NAVI*
Malfunction
memory
Settings
Trip computer
Telephone*
Commands/submenusCoolant
temperature display
Select radio station
Activate route
guidance
Call up malfunc-
tion messages
Reset to factory
settings
Fuel consumption
statistics after
start
Load phone
book
Digital speedometer
Operate CD
player*
Instrument clus-
ter submenu
Fuel consumption
statistics since
the last reset
Search for
name in
phone book
Call up FSS
Operate casette
player
Lighting
submenu
Call up range
Check engine oil
level
Vehicle
submenuConvenience
submenu
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 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 124 of 400

124 Controls in detailControl systemSubmenus in the Settings menu
Press buttonk orj.
In the display you see the collection of
the submenus.
Press buttonç.
The selection marker moves to the next
submenu.
The submenus are arranged by hierarchy.
Scroll down with theç button, scroll up
with theæ button.
Move within the submenus with thek
orj button to the individual functions.
The settings themselves are made with
buttonæ orç.Resetting the functions of a submenu
For each submenu you can reset all the
functions to the factory settings.
Move to a function in the submenu.
Press the reset button (
page 22) in
the instrument cluster for approxi-
mately three seconds.
In the display you will see the request
to press the reset button again to
confirm.
Press the reset button again.
All functions of the submenu 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.