Page 104 of 417

103 Controls in detail
Locking and unlocking
Illumination of the emergency release
button:
The button will flash for 30 minutes
after opening the trunk.
The button will flash for 60 minutes
after closing the trunk.
Automatic locking
The doors and the trunk lid lock automati-
cally 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 135).
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 417
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 134).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 five minutes.
Page 114 of 417

113 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument
cluster, see (
page 28).
The instrument cluster is activated when
you
open a door
switch on the ignition
press the reset button (
page 29)
switch on exterior lamps
Opening 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 128).
Instrument cluster illumination
Use the reset button to adjust the illumina-
tion brightness for the instrument cluster
and the switches on the center console.To brighten illumination
Turn the reset button in the instrument
cluster (
page 29) clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn the reset button in the instrument
cluster (
page 29) counterclockwise.
The instrument cluster illumination will
dim.
iThe instrument cluster illumination is
dimmed or brightened to suit ambient
light conditions.
Page 116 of 417

115 Controls in detail
Instrument cluster
Resetting the trip odometer
Make sure you are viewing the trip
odometer and main odometer in the
right multifunction display
(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 reset button 4
(page 29) 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 right multifunction display
(page 29). For information on how to se-
lect the unit of the displayed temperature,
i.e. degrees Celsius (°C) or degrees Fahr-
enheit (°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 417
121 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Standard display
AUDIO
Vehicle status
message memory
Settings
Trip computer
Telephone
(page 122)
(page 122)
(page 124)
(page 125)
(page 136)
(page 138)
Commands/submenusDigital speedometer
Select radio station
Call up vehicle mal-
function, warning
and system status
messages stored in
memory
Reset to factory set-
tings
Fuel consumption
statistics after start
Load phone book
Call up maintenance
service display
Operate the
CD player
Instrument cluster
submenu
Fuel consumption
statistics since the
last reset
Search for name in
phone book
Check tire inflation
pressure
Lighting submenu
Call up range
Vehicle submenu
Page 126 of 417

125 Controls in detail
Control system
Should the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunc-
tion display when the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
Settings menu
In the
Settings
menu there are two func-
tions:
The function
Reset R-Button 3 sec.
,
with which you can reset all the set-
tings 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:
iThe vehicle status 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 (
page 296).
Function
Page
Reset all settings
126
Submenus in the Settings menu
126
Reset the functions of a sub-
menu
126
Instrument cluster submenu
128
Lighting submenu
130
Vehicle submenu
134
Page 127 of 417

126 Controls in detailControl systemResetting 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 for approximately three
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.Submenus in the Settings menu
Press button k or 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 the ç button, scroll up
with the æ button.
Move within the submenus with the k
or j button to the individual functions.
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 for approximately three
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.
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset button a second
time. After approximately five 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 132 of 417

131 Controls in detail
Control system
Setting daytime running lamp mode
(USA only)
Move the selection marker with button
æ or ç to the
Lighting
sub-
menu.
Press button j or k repeatedly
until you see this message in the left
display:
Light circuit Headlamp
mode
.
The selection marker is on the current
setting.
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).
iThis function is not available in
countries where the daytime running
lamp mode is mandatory and therefore
in a constant mode.
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 126) will not reset the daytime
running lamp mode.
In the right display you will then see the
message:
Cannot be fully reset to
factory settings while driv.!
.