Page 117 of 505

116 Controls in detail
Locking and unlocking
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and opens slightly.
Push up the trunk lid to fully open.Illumination of the emergency release but-
ton:
The button will flash for 30 minutes
after opening the trunk.
The button will flash for 60 minutes
after closing the trunk.
iThe emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.
iThe emergency release button does not
open the trunk if the vehicle battery is dis-
charged or disconnected.
iIf the trunk does not open, it is still locked
separately (
page 117).
iIf the vehicle has previously been locked us-
ing the SmartKey or KEYLESS-GO*, opening the
trunk from the inside using the emergency re-
lease button will trigger the anti-theft alarm sys-
tem.
To cancel the alarm, do one of the following:
Insert the SmartKey in the starter switch.
Press button‹orŒ on the
SmartKey.
In vehicles with KEYLESS-GO*:
Pull an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.
Press the KEYLESS-GO* start/stop button
(
page 37).
The SmartKey with KEYLESS-GO* must be
inside the vehicle.
Page 128 of 505

127 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Turn the exterior lamp switch to
positionB.
Automatic headlamp mode
The following lamps switch on and off
automatically depending on the brightness
of the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn the exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps and the side marker
lamps will switch on and off
automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
Warning!G
If the exterior lamp switch is set toU,
the headlamps may switch off
unexpectedly when the system senses
bright ambient light, for example light
from oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle's lights at all
times.
iUSA only:
With the automatic headlamp mode activated
you can switch on the high beam headlamps in
low ambient lighting conditions.
Page 140 of 505

139 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 or as soon as the
KEYLESS-GO* start/stop button is in
position1. The control system enables you
to
call up information about your vehicle
change vehicle settings
For example, you can use the control sys-
tem to find out when your vehicle is next
due for service, to set the language for
messages in the instrument cluster dis-
play, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Outside temperature
2Trip odometer
3Current shift program mode
4Main odometer
5Current gear selector lever posi-
tion/gear range
For more information on menus displayed
in the multifunction display, see “Menus”
(
page 142).
iThe displays for the audio systems (radio,
CD player etc.) 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 (approxi-
mately 14 m) every second.
Page 148 of 505

147 Controls in detail
Control system
1Gear indicator
2RACETIMER
3Lap
Starting the RACETIMER
Press buttonæ.
The timer starts.
Displaying intermediate time
Press buttonç while the timer is
running. The intermediate time is shown for
5 seconds.
Stopping the RACETIMER
Press buttonæ.
The timer stops.Saving lap time and starting a new lap
Press buttonç while the timer is
running.
The intermediate time is shown for
5 seconds.
Press buttonç within the next
5 seconds.
The intermediate time shown will be
saved as a lap time.
The RACETIMER begins timing the new
lap. The new lap begins to be timed as
soon as the intermediate time is called
up.
iYou can start the RACETIMER when the
engine is running or the starter switch is in
position2 (
page 36).
iWhile the RACETIMER is being displayed,
you can not adjust the volume using buttonæ
orç.
iWhen you stop the vehicle and turn the
SmartKey to position1 (
page 36) or, in vehi-
cles with KEYLESS-GO*, turn off the engine and
do not open the driver’s door, the RACETIMER
stops timing. Timing is resumed when you switch
the ignition back on (
page 36) or restart the
engine (
page 50) and then press
theæbutton.
iYou can save up to 9 laps.
Page 149 of 505
148 Controls in detail
Control system
1Gear indicator
2RACETIMER
3Best lap time
4Lap number
Resetting current lap
Press buttonæ while the timer is
running.
The timer stops.
Press buttonç.
The lap time is reset to “0”.Deleting all laps
Press buttonæ while the timer is
running.
The timer stops.
Press the reset button twice
(
page 136).
Press buttonæ.
The timer starts. The saved laps are
deleted.Overall analysis
Press buttonè orÿ repeatedly
until the AMG menu appears in the
multifunction display.
Press buttonj repeatedly until you
see the overall analysis.
1Overall analysis of RACETIMER
2Overall driving time
3Maximum speed
4Overall distance driven
5Average speed
iIt is not possible to delete a single saved lap.
iWhen you turn off the engine, the
RACETIMER will be reset to “0” after 30 sec-
onds. All laps are deleted.
iThese functions are only available if you
have saved at least one lap and have stopped the
RACETIMER.
Page 150 of 505

149 Controls in detail
Control system
Lap analysis
Press buttonè orÿ repeatedly
until the AMG menu appears in the
multifunction display.
Press buttonj repeatedly until you
see the lap analysis.
1Lap number
2Lap time
3Maximum speed
4Lap length
5Average speed during lap
Press buttonk orj to see oth-
er lap analysis.
AUDIO menu
The functions in the
Audio menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO OFF appears in the
multifunction display.
The following functions are available:
Selecting radio station
Turn on the radio (page 214) and se-
lect radio. Vehicles with COMAND*:
Refer to separate operating instruc-
tions.
Press buttonè orÿ repeatedly
until the currently tuned station
appears in the multifunction display.1Waveband setting
2Station frequency
Press buttonk orj repeatedly
until the desired station or the desired
stored station is found.
The station search depends on the se-
lected setting in the
Vehicle submenu
of the control system (
page 163).
Pressing buttonk orj will ei-
ther start a frequency scan or select
the next stored radio station.
iThese functions are only available if you
have saved at least two laps and have stopped
the RACETIMER.
iEach lap is shown in its own submenu. The
fastest lap is indicated by flashing symbol1.
FunctionPage
Selecting radio station149
Selecting satellite radio
station* (USA only)149
Operating CD player150
iYou can only store new stations using the
corresponding feature on the radio
(
page 220).
Vehicles with COMAND*:
Refer to separate operating instructions.
You can also operate the radio in the usual
manner.
Page 154 of 505

153 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. With
KEYLESS-GO*, turn off the engine by
pressing the KEYLESS-GO* start/stop
button and open the driver’s door.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 appears in the
multifunction 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 136) for
approximately 3 seconds.
The request to press the reset button
once more to confirm appears in the
multifunction display.
Press the reset button once more.
The functions of all the submenus will
reset to factory settings.
iThe vehicle status message memory will be
cleared when you switch on the ignition
(
page 36). You will then only see high-priority
messages in the multifunction display
(
page 378).
Page 163 of 505

162 Controls in detail
Control system
Setting night security illumination
(Headlamps delayed shut-off feature)
Use this function to set whether you would
like the exterior lamps to remain on for
15 seconds during darkness after exiting
the vehicle and closing all doors.
With the headlamps delayed shut-off
feature activated and the exterior lamp
switch in positionU before the engine
is turned off, the following lamps will
switch on when the engine is turned off:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If after turning off the engine you do not
open a door or do not close an opened
door, the lamps will automatically switch
off after 60 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Headlamps delayed
shut-off
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the headlamps delayed shut-off feature
Onor Off.
Turn the exterior lamp switch to
position U before turning off the
engine.
The headlamps delayed shut-off
feature is activated.You can temporarily deactivate the head-
lamp delayed shut-off feature:
Before exiting the vehicle, turn the
SmartKey in the starter switch to
position0.
Then turn it to position2 and back
to0.
The headlamp delayed shut-off feature
is deactivated. It will reactivate as soon
as you reinsert the SmartKey in the
starter switch.
Vehicles with KEYLESS-GO*:
Press the KEYLESS-GO start/stop but-
ton on the gear selector lever
(
page 38).