light MERCEDES-BENZ M-CLASS 2007 Workshop Manual

137 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 au-
tomatically 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 automati-
cally.
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 unexpect-
edly 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 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 fromUtoB 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.
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138 Controls in detailLightingDaytime running lamp mode
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 lamps
Canada only
The daytime running lamp mode is manda-
tory and therefore in a constant mode.When the engine is running, and you shift
from a driving position to positionN orP,
the low beam headlamps will switch off
with a 3 minute delay.
When the engine is running, and you


turn the exterior lamp switch to
positionC, the parking lamps and
the side marker lamps switch on
additionally


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 59).USA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime
running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 171).
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 136).
i
With the daytime running lamp mode
activated and the engine running, you cannot
switch off the low beam headlamps manually.
i
With the exterior lamp switch in
positionM orU, you cannot switch on the
high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch to positionB to permit activation of
the high beam headlamps.
i
With 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 turn the exterior lamp
switch to positionB orU to permit
activation of the high beam headlamps.
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139 Controls in detail
Lighting
Locator lighting and night security
illumination
The locator lighting and the night security
illumination are described in the “Control
system” section, see “Setting locator light-
ing” (
page 172) and “Setting night secu-
rity illumination” (
page 172).
Fog lampsFront fog lamps

Switch on the low beam
headlampsB (
page 136).

Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 136).

Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.
Rear fog lamp (driver’s side only)

Switch on the low beam
headlampsB (
page 136).

Pull out the exterior lamp switch to
second stop.
The rear fog lamp switches on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 136).

Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
The front fog lamps remain lit.
Warning!
G
In low ambient lighting or foggy 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.i
Fog lamps will operate with the parking
lamps and/or the low beam headlamps on. Fog
lamps should only be used in conjunction with
low beam headlamps. Consult your State or
Province Motor Vehicle Regulations regarding
permissible lamp operation.
i
Fog lamps cannot be switched on with the
exterior lamp switch in positionU.
To switch on the fog lamps, turn the exterior
lamp switch to positionB first.
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140 Controls in detailLightingCombination switch
1High beam
2High beam flasher
High beam
Canada only: Turn the exterior lamp
switch to positionB (
page 136).
or

USA only: Turn the exterior lamp switch
to positionB orU
(page 136).

Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 26).

Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher

Pull the combination switch briefly in
direction of arrow2.
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps im-
prove illumination of the area in the direc-
tion into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with

the exterior lamp switch in
positionB (
page 136)
or


the exterior lamp switch in
positionU (
page 136)
or


the daytime running lamp mode
activated (
page 138)
i
The corner-illuminating front fog lamps will
only come on in low ambient lighting conditions.
If you are driving faster than 25 mph (40 km/h)
or have the front fog lamps switched on, the
corner-illuminating function is not available.
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141 Controls in detail
Lighting
Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(page 60), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the direc-
tion into which you are turning.
or

Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
were activated by switching on the left or
right turn signal.
If the turn signal should stay on after
making the turn, the turn signal and the
corner-illuminating front fog lamps can be
switched off by returning the combination
switch to its original position.Driving rearward
Switching on corner-illuminating front
fog lamps

Shift the automatic transmission to
reverse gearR (
page 187).
The corner-illuminating front fog lamp
opposite to your steering direction
comes on.
Switching off corner-illuminating front
fog lamps

Shift the automatic transmission to a
gear other than reverse gearR
(page 187).
The respective corner-illuminating
front fog lamp goes out.
i
The corner-illuminating front fog lamps
temporarily come on on both sides of the vehicle
if you turn the steering wheel in one direction
and then again in the other direction shortly
thereafter.
i
The corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing angle and vehicle speed, even if you did not
switch on either turn signal. If the
corner-illuminating front fog lamps came on
automatically, they will also go out automatically
depending on the steering angle and vehicle
speed.
i
There may be a brief delay before the
corner-illuminating front fog lamps switch off.
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142 Controls in detailLightingHazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on 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.
Interior lighting
The controls for interior lighting are locat-
ed in the overhead control panel.1Front left reading lamp switch
2Rear interior lighting switch
3Automatic control switch
4Front interior lighting switch
5Front right reading lamp switch
6Front right interior lamp
7Front right reading lamp
8Front left reading lamp
9Front left interior lampi
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.
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143 Controls in detail
Lighting
Automatic control
Deactivating
Press switch3.
The switch engages in the recessed
position.
The interior lighting and the locator
lighting (
page 172) remain switched
off even when you


unlock the vehicle


open a door


open the tailgate


remove the SmartKey from the
starter switchActivating

Press switch3.
The switch disengages from its
recessed position back to its original
position.
The interior lighting and the locator
lighting (
page 172) come on when
you


unlock the vehicle


open a door


open the tailgate


remove the SmartKey from the
starter switch
The interior lamps go out following an
adjustable time delay (
page 173).Manual control
Switching front interior lighting on and
off

Press front/rear interior lighting
switch4 or2 to switch on the
respective interior light.

Press front/rear interior lighting
switch4 or2 again to switch off the
respective interior light.
Switching front reading lamps on and off

Press front reading lamp switch1
or5 to switch on the respective front
reading lamp.

Press front reading lamp switch1
or5 again to switch off the respective
front reading lamp.
!
An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON
position for extended periods of time with the
engine turned off could result in a discharged
battery.
i
The interior lighting is factory-set to
automatic mode.
i
If a door remains open, the interior lamps
switch off automatically after approximately
5 minutes when the SmartKey is removed or in
starter switch position0.
i
An interior lamp switched on manually does
not go out automatically.
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144 Controls in detailLightingSwitching rear interior reading lamps on
and off
The rear interior reading lamps are located
above the side windows.
1Rear interior reading lamp
Press on reading lamp1 in direction
of arrow.
The reading lamp comes on.

Press on reading lamp1 in direction
of arrow again.
The reading lamp goes out.
Door entry lamps
For better orientation in the dark, the
corresponding door entry lamps comes on
when you open a door and the automatic
control is activated.
The door entry lamps will switch off when
the corresponding door is closed.
Cargo compartment lamp
The cargo compartment lamp comes on
when the tailgate is opened.
If you leave the tailgate open for an extend-
ed period of time, the cargo compartment
lamp will switch off automatically after ap-
proximately 5 minutes.
i
If you turn the SmartKey in the starter
switch to position0 or remove the SmartKey
from the starter switch, the door entry lamps will
remain lit for approximately 5 minutes.
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145 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument
cluster, see “Instrument cluster”
(page 26).
1To dim instrument cluster illumination
2Reset button
3To brighten instrument cluster
illumination
The instrument cluster is activated when
you


open a door


switch on the ignition (
page 40)


press reset button2


switch on the exterior lamps
(page 136)You can change the instrument cluster
settings in the instrument cluster submenu
of the control system (
page 167).Adjusting instrument cluster illumina-
tion
Use button1 or3 to adjust the illumina-
tion brightness for the instrument cluster.
To brighten illumination
Press and hold button3 until the
desired level of illumination is reached.
To dim illumination

Press and hold button1 until the
desired level of illumination is reached.
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, do so with
added caution. Contact an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
i
The instrument cluster illumination is
dimmed or brightened automatically to suit am-
bient light conditions.
The instrument cluster illumination will also be
adjusted automatically when you switch on the
vehicle’s exterior lamps.
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153 Controls in detail
Control system
Menus, submenus and functions
Menu7
Menu8
Menu9
Menua
Menub
Menuc
DISTRONIC*
Vehicle status
message memory
1
1The vehicle status message memory menu is only displayed if there is a message stored.
Settings
Vehicle configuration
Trip computer
Telephone*
(page 162)
(page 163)
(page 164)
(page 178)
(page 180)
(page 182)
Commands/submenusCalling up settings
Calling up vehicle mal-
function, warning and
system status messages
stored in memory
Resetting to factory
settings
Distance warning
function* on/off
Fuel consumption
statistics from start
Loading
phone book
Instrument cluster
submenu
DSR (Downhill Speed
Regulation) pro-
grammed default speed
Fuel consumption
statistics since the
last reset
Searching for
name in
phone book
Time/Date sub-
menu
Distance to empty
Lighting submenuVehicle submenuComfort submenu*
i
The headings used in the menus table are
designed to facilitate navigation within thesystem and are not necessarily identical to those
shown in the control system displays. The firstfunction displayed in each menu will show you
which part of the system you are in.
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