Page 121 of 489

120 Controls in detailLocking and unlocking
Close the trunk (
page 113).
Pull the mechanical key out of the
SmartKey (
page 404).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 111).
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
approximately 9 mph (15 km/h) or more.
You can open a locked door from the
inside. Open doors only when conditions
are safe to do so.
You can deactivate the automatic locking
mode using the control system, see “Set-
ting automatic locking” (
page 163).
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic
central locking when the vehicle
is pushed or towed
is on a test stand
Page 122 of 489

121 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle
before starting to drive.
You cannot lock or unlock the fuel filler flap
with the central locking or unlocking
switch.
The switches are located in the center
console.1Central locking switch
2Central unlocking switchLocking
Press central locking switch1.
If both doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked with the SmartKey or the
SmartKey with KEYLESS-GO*, it will
not unlock using the central unlocking
switch2.
If the vehicle was previously locked
with the central locking switch1
while in the selective remote
control mode, only the door opened
from inside is unlocked.
while in the global remote control
mode, the complete vehicle is
unlocked when a door is opened
from the inside.
Page 139 of 489

138 Controls in detailLightingInterior 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 lampDeactivating automatic control
Press the = symbol on rocker
switch3.
The interior lighting remains switched
off in darkness, even when you:
unlock the vehicle
open a door
remove the SmartKey from the
starter switchActivating automatic control
Press rocker switch3 to center
position.
Interior lamps are switched on in dark-
ness when you:
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
The interior lamps are switched off after
approximately 10 seconds, see “Setting in-
terior lighting delayed shut-off”
(
page 163).
iAn interior lamp switched on manually
does not go out automatically.
Leaving an interior light switch in the
ON position for extended periods of
time with the engine turned off could
result in a discharged battery.
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.
Page 141 of 489

140 Controls in detailInstrument clusterFor a full view illustration of the instrument
cluster, see “Instrument cluster”
(page 24).
1Reset button
The instrument cluster is activated when
you
open a door
switch on the ignition (
page 36)
press the reset button1
switch on the exterior lamps
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 155).
Instrument cluster illumination
Use the reset button1 to adjust the
illumination brightness for the instrument
cluster.To brighten illumination
Turn reset button1 clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn reset button1 counterclock-
wise.
The instrument cluster illumination will
dim.
Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Visit an authorized
Mercedes-Benz Center as soon as possible.
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 162 of 489

161 Controls in detail
Control system
For more information on the daytime run-
ning lamp mode, see “Lighting”
(page 131).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.
To activate locator lighting:
Make sure the function surround light-
ing is set to
on, see (
page 161).
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Function Surround
lighting
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the locator lighting function
on.
Turn the exterior lamp switch to
position U when exiting the vehicle
(page 131).
The locator lighting feature is
activated.
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 153) while driving will not
deactivate the daytime running lamp
mode.
The following message appears in the
multifunction display:
Lighting – Cannot be completely
reset to factory settings while
driving
.
Page 164 of 489

163 Controls in detail
Control system
Setting interior lighting delayed shut-off
Use this function to set whether you would
like the interior lighting to remain lit during
darkness after you have removed the
SmartKey from the starter switch. If acti-
vated it remains lit for 10 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Interior lamp de-
layed shut-off appears in the
multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the interior delayed shut-off feature
on
or
off
.Vehicle submenu
Access the
Vehicle
submenu via the
Settings
menu. Use the
Vehicle
submenu
to make general vehicle settings.
The following functions are available:
Setting automatic locking
Use this function to activate or deactivate
the automatic central locking. With the
automatic central locking system
activated, the vehicle is centrally locked at
vehicle speeds of approximately 9 mph
(15 km/h).
Move the selection marker with
buttonæ orç to the
Vehicle
submenu.
Press buttonj ork repeatedly
until the message
Automatic door
lock
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the automatic central locking
on or
off
.
Function
Page
Setting automatic locking
163
Page 165 of 489

164 Controls in detailControl systemConvenience submenu
Access the
Convenience
submenu via the
Settings
menu. Use the
Convenience
sub-
menu to change the settings for a number
of convenience features.
The following functions are available:
Activating easy-entry/exit feature
Use this function to activate and deacti-
vate the easy-entry/exit feature
(
page 42).
Move the selection marker with
buttonæ orç to the
Convenience
submenu.
Press buttonj ork repeatedly
until the message Function Easy-entry feature
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the easy-entry/exit feature
on or
off
.
Setting parking position for exterior rear
view mirror
Use the
Mirror adjustment parking aid
function to select whether the passen-
ger-side exterior rear view mirror should be
turned downward during parking maneu-
vers, when reverse gearR is engaged. For
additional information, see “Activating ex-
terior rear view mirror parking position”
(
page 182).
Function
Page
Activating easy-entry/exit
feature
164
Setting parking position for exte-
rior rear view mirror
164
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To cancel steering wheel movement, do one
of the following:
Move the steering column stalk
(page 41).
Press the memory position switch
(page 128).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
Page 172 of 489

171 Controls in detail
Automatic transmission
1Current gear range/gear selector lever
position
2Current program mode
The current gear range/gear selector lever
position and program mode (
C/S) appear
in the multifunction display.An additional indication of the current gear
selector lever position can be found on the
cover of the shifting-gate.
The indicators come on when you activate
a switch (e.g. unlocking the vehicle or
opening a door) and go out after approxi-
mately 15 minutes.
When the gear selector lever is in
positionD, you can influence transmission
shifting by:
limiting the gear range
changing gears manually
Warning!
G
It is dangerous to shift the gear selector
lever out ofP orN if the engine speed is
higher than idle speed. If your foot is not
firmly on the brake pedal, the vehicle could
accelerate quickly forward or reverse. You
could lose control of the vehicle and hit
someone or something. Only shift into gear
when the engine is idling normally and when
your right foot is firmly on the brake pedal.
!Allow engine to warm up under low
load use. Do not place full load on the
engine until the operating temperature
has been reached.
Shift into reverse gearR or parking po-
sition P only when the vehicle is
stopped.
Avoid spinning of a drive wheel for an
extended period when driving off on
slippery road surfaces. This may cause
serious damage to the drivetrain which
is not covered by the Mercedes-Benz
Limited Warranty.