103 Controls in detail
Locking and unlocking
The switch is located on the lower part of
the center console.
1Remote trunk opening switch
Press switch1 until the trunk lid
unlocks and opens slightly.
Lift the trunk lid.
The trunk can also be opened using
buttonŠ on the SmartKey or from its
inside in an emergency, see “Trunk emer-
gency release” (
page 104).
Closing the trunk lid
1Handle
Lower trunk lid by firmly pulling on
handle1.
!
Always make sure that there is sufficient
overhead clearance.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be espe-
cially careful when small children are
around.
Make sure the trunk is closed when the en-
gine is running and while driving. Among
other dangers, such as blocked visibility,
exhaust fumes may enter the vehicle
interior. These fumes are damaging to your
health.
!
Do not pull on the Airbrake or the wind
screen. Otherwise the Airbrake, the wind screen
or the trim panel could be damaged.
i
Do not place the SmartKey in the open
trunk. You may lock yourself out.
If the vehicle was previously centrally locked, the
trunk lid will lock automatically after closing it.
All turn signals will flash three times to confirm
locking.
107 Controls in detail
Lighting
Low-beam headlamps
The low-beam headlamps can be switched
on and off with the exterior lamp switch
using the manual headlamp mode.
Turn the exterior lamp switch to
positionB.
The following lamps switch on:
Low-beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
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
position U.
With the SmartKey in starter switch
position1, the tail and parking lamps,
the license plate lamps, and the side
marker lamps will switch on and off
depending on the brightness of the
ambient light.
When the engine is running, the
low-beam headlamps, the tail and park-
ing lamps, the license plate lamps, and
the side marker lamps will switch on
and off depending on the brightness of
the ambient light.
Warning!
G
If the exterior lamp switch is set toU,
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 toB when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill in a safe location.
Switching fromU toB 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.
i
Canada only:
High-beam headlamps are only available with the
exterior lamp switch in positionB.
108 Controls in detailLightingDaytime running lamp mode
In Canada the daytime running lamp mode
is mandatory and therefore in a constant
mode.
In the USA the daytime running lamp mode
is deactivated by default. Activate the day-
time running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 135).
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the
low-beam headlamps are switched on.
In low ambient light conditions, the
following lamps will switch on
additionally:
Tail and parking lamps
License plate lamps
Side marker lampsCanada only:
When the engine is running, and you shift
from a driving position to neutral
positionN or park positionP with the vehi-
cle at a standstill, the low-beam head-
lamps will switch off with a delay of 3
minutes.
When the engine is running, and you
turn the exterior lamp switch to
positionC, the low-beam head-
lamps, the tail and parking lamps, the
license plate and the side marker
lamps switch on.
turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime
running lamp mode. The corresponding
exterior lamps switch on (
page 106).
USA only:
When the engine is running, and you turn
the exterior lamp switch to positionC
orB, the manual headlamp mode has
priority over the daytime running lamp
mode. The corresponding exterior lamps
switch on (
page 106).
i
With the daytime running lamp mode activat-
ed and the engine running, the low-beam head-
lamps cannot be switched off manually.
i
With the exterior lamp switch in
positionM or U you cannot switch on the
high-beam headlamps.
The high-beam flasher is available at all times.
For nighttime driving you should turn the exterior
lamp switch to positionB to permit activa-
tion of the high-beam headlamps.
i
With the daytime running lamp mode
activated and the exterior lamp switch in
positionM, you cannot switch on the
high-beam headlamps.
The high-beam flasher is available at all times.
For nighttime driving you should turn the exterior
lamp switch to positionB or U to permit
activation of the high-beam headlamps.
111 Controls in detail
Lighting
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter
switch.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the upper part of the center
console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signals are flashing.Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
i
With the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective turn signals will
operate when the ignition is switched on.
i
If the hazard warning flasher has been
activated automatically, press hazard warning
flasher switch1 once to switch it off.
113 Controls in detail
Lighting
Manual control
Switching interior lighting on
Press switch3.
The interior lighting switches on.
Switching interior lighting off
Press switch3 again.
The interior lighting switches off.
Reading lamps
The reading lamps are integrated into the
interior rear view mirror.
Press reading lamp switch1or2 to
switch on the desired reading lamp.
Press reading lamp switch1or2
again to switch off the respective
reading lamp.
Courtesy lighting
For better orientation in the dark, courtesy
lamps will illuminate the interior of your
vehicle in the following ways:
When you open a door, the driver’s and
passenger’s footwell are illuminated.
If the SmartKey is in starter switch
position1, the center console will be il-
luminated.
Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If you leave the trunk open for an extended
period of time, the trunk lamp will switch
off automatically after approximately
10 minutes.
i
The center console is illuminated from the
interior rear view mirror.
i
The setting selected for the interior lighting
is used for the trunk lighting as well.
116 Controls in detailInstrument clusterTachometer
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 or right multifunction display
(page 117), depending on the setting for
the standard display (
page 132). The temperature sensor is located in the
front bumper area. Due to its location, the
sensor can be affected by road or engine
heat during idling or slow driving. There-
fore, the accuracy of the displayed temper-
ature can only be verified by comparison to
a thermometer placed next the sensor, not
by comparison to external displays, e.g.
bank signs, etc.
When moving the vehicle into colder ambi-
ent temperatures (e.g. when leaving your
garage), you will notice a delay before the
lower temperature is displayed.
A delay also occurs when ambient temper-
atures rise. This prevents inaccurate tem-
perature indications caused by heat
radiated from the engine during idling or
slow driving.
!
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.
124 Controls in detailControl systemRACETIMER
The RACETIMER allows you to time and
save driving stretches in hours, minutes
and seconds.
Press button è or ÿ repeatedly
until you see the 722S menu.
Press button j repeatedly until you
see the RACETIMER.1Lap
2RACETIMER
3Gear indicatorStarting the RACETIMER
Press button æ.
The timer starts.
Displaying intermediate time
Press button ç while the timer is
running.
The intermediate time is shown for
5 seconds.
Stopping the RACETIMER
Press button æ.
The timer stops.
Warning!
G
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving is permitted. Racing on public roads
is prohibited under all circumstances and
the driver is and must always remain
responsible for following posted speed
limits.
i
You can start the RACETIMER when the
engine is running or the starter switch is in
position2 (
page 40).
i
While the RACETIMER is being displayed,
you cannot adjust the volume using
buttonsæ or ç.
i
When you stop the vehicle and turn the
SmartKey to position 1 (
page 40), the RACE-
TIMER stops timing. Timing is resumed when you
switch the ignition back on (page 40) or
restart the engine (
page 47) and then press
the æbutton.
127 Controls in detail
Control system
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 148).
Press button è or ÿ repeatedly
until you see the currently tuned sta-
tion in the right multifunction display.1Station frequency
2Wave band 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 138):
Memory: the next stored station is
selected (SP)
Station searchOperating the CD player
Turn on the radio and select the
CD player (
page 158).
Press button è or ÿ repeatedly
until the settings for the CD currently
being played are shown in the right
multifunction display.
1Current track
2Current CD (with additional number
from 1 to 6 when running from CD
changer)
Press button k or j repeatedly
until the desired track is selected.
Function
Page
Selecting radio station
127
Operating CD player
127
i
You can only store new stations using the
corresponding feature on the radio
(
page 153).