Page 104 of 409

103 Controls in detail
Locking and unlocking
Automatic locking
The doors and the trunk lock automatically
when the vehicle is set into motion.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
using the control system (
page 137).
Locking and unlocking from the inside
You can lock or unlock the vehicle from in-
side using the central locking switches.
This can be useful, for example, if you want
to unlock the passenger door from the in-
side or want to lock the vehicle before
starting to drive.
The central locking switch does not lock or
unlock the fuel filler flap.
iThe emergency release button does
not open the trunk lid if the vehicle
battery is discharged or disconnected.
If the vehicle has previously been
locked from the outside with the
SmartKey, opening the trunk from the
inside using the emergency release
button will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:
Press buttonŒ or‹ on the
SmartKey.
Insert the SmartKey in the starter
switch.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle locks automatically 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
is on a test stand
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.
Page 112 of 409
111 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Left-hand reading lamp on/off
2Right-hand reading lamp on/off
3Interior lighting on/off
4Automatic control on/offAutomatic control
Activating
Slide switch 4 to the left.
Interior lamps switches on in darkness
when you
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
In addition, the entry/exit lamps in the
door come on when you open a door.
The interior lamps are switched off af-
ter a preset time, see “Interior lighting
delayed switch-off” (
page 135).Deactivating
Slide switch4 to the right.
The interior lighting and the entry/exit
lamps remain switched off in darkness,
even when you
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
iIf a door remains open, the interior
lamps switch off automatically after ap-
proximately 5 minutes.
Page 114 of 409
113 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument
cluster, see (
page 28).
1Reset button
The instrument cluster is activated when
you
open a door
switch on the ignition
press the reset button1
switch on exterior lampsOpening a door will activate the instrument
cluster only for about 30 seconds.
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 129).
Instrument cluster illumination
Use the reset button1 to adjust the illu-
mination brightness for the instrument
cluster and the switches on the center con-
sole.To brighten illumination
Turn the reset button1 clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn the reset button1 counterclock-
wise.
The instrument cluster illumination will
dim.
iThe instrument cluster illumination is
dimmed or brightened to suit ambient
light conditions.
Page 116 of 409

115 Controls in detail
Instrument cluster
Resetting the trip odometer
Make sure you are viewing the trip
odometer in the right multifunction dis-
play (
page 117).
If it is not displayed, press buttonè
orÿ on the multifunction steering
wheel until the trip odometer appears
in the right multifunction display.
Press and hold the reset button1
(page 113) until the trip odometer is
reset.
Tachometer
The red marking on the tachometer
(page 29) 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 displayed in
the left multifunction display (
page 117).
For information on how to select the unit of
the displayed temperature, i.e. degrees
Celsius (°C) or degrees Fahrenheit (°F),
see “Selecting temperature display mode”
(
page 129).
!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 122 of 409
121 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Standard display
AUDIO
Vehicle status
message memory
1
1The Vehicle status message memory menu is only displayed if there is a message stored.
Settings
Trip computer
Telephone
(page 122)
(page 123)
(page 124)
(page 126)
(page 137)
(page 139)
Commands/submenusDigital speedometer
Selecting radio
station
Calling up vehicle
malfunction, warn-
ing and system sta-
tus messages
stored in memory
Resetting to factory
settings
Fuel consumption
statistics after start
Loading phone book
Calling up mainte-
nance service dis-
play
Operating the
CD player
Instrument cluster
submenu
Fuel consumption
statistics since the
last reset
Searching for name
in phone book
Checking tire infla-
tion pressure
Time submenu
Calling up range
Lighting submenuVehicle submenu
Page 127 of 409

126 Controls in detailControl systemSettings menu
In the
Settings
menu there are two func-
tions:
The To reset:
Press reset button for
3 seconds
function with which you can
reset all the settings to those set at the
factory.
A collection of submenus with which
you can make individual settings for
your vehicle.
Press button è or ÿ repeatedly
until the
Settings...
menu appears in
the left display.
The following settings and submenus are
available:Resetting all settings
You can reset all the functions of all sub-
menus to the factory settings.
Press the reset button in the instru-
ment cluster (
page 113) for approxi-
mately 3 seconds.
In the right display you will see the re-
quest to press the reset button again to
confirm.
Press the reset button again.
The functions of all the submenus will
reset to factory settings.
Function
Page
Resetting all settings
126
Submenus in the Settings menu
127
Resetting the functions of a sub-
menu
127
Instrument cluster submenu
129
Time submenu
131
Lighting submenu
132
Vehicle submenu
136
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset button a second
time. After approximately 5 seconds,
the
Settings...
menu reappears in
the multifunction display.
For safety reasons, the
Light circuit
Headlamp mode
in the
Lighting
sub-
menu is not reset while driving.
Page 128 of 409

127 Controls in detail
Control system
Submenus in the Settings menu
Press button j.
In the right display you see the collec-
tion of submenus.
Press button ç.
The selection marker moves to the next
submenu. The submenus are arranged by hierarchy.
Scroll down with button ç, scroll up
with button æ.
With the selection marker on the desired
submenu, use button j to access the
individual functions within that submenu.
Once within the submenu, you can use but-
ton j to move to the next function or
button k to move to the previous func-
tion within that submenu.
The settings themselves are made with
button æ or ç.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 in the instru-
ment cluster (
page 113) for approxi-
mately 3 seconds.
In the right display you will see the re-
quest to press the reset button again to
confirm.
Press the reset button again.
All functions of the submenu will reset
to factory settings.
Page 134 of 409

133 Controls in detail
Control system
Press buttonæ orç to select
manual operation (
Manual
) or daytime
running lamp mode (
Constant
)
activated.
With daytime running lamp mode activated
and the exterior lamp switch in
positionM orU, the low beam
headlamps are switched on when the
engine is running.
In low ambient light conditions the
following lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lampsFor more information on the daytime
running lamp mode, see “Daytime running
lamp mode” (
page 107).Setting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on during darkness when the vehi-
cle is unlocked with the SmartKey:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
the vehicle with the SmartKey the lamps
will switch off automatically after approxi-
mately 40 seconds.
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 127) will not reset the daytime
running lamp mode.
The following message appears in the
right display:
Cannot be fully reset
to factory settings when driving
.