fog light MERCEDES-BENZ GL-Class 2014 X166 Owner's Manual

Light function, active
Display message ............................ 305
Lighting
Light switch ................................... 128
Lights
Activating/deactivating the
interior lighting delayed switch-off .284
Active light function .......................133
Adaptive Highbeam Assist .............134
Automatic headlamp mode ............128
Cornering light function .................133
Driving abroad ............................... 128
Hazard warning lamps ...................132
High beam flasher .......................... 132
High-beam headlamps ...................132
Low-beam headlamps ....................129
Parking lamps ................................ 130
Rear fog lamp ................................ 130
Setting the brightness of the
ambient lighting (on-board
computer) ...................................... 283
Setting the color of the ambient
lighting (on-board computer) .........283
Standing lamps .............................. 131
Switching the daytime running
lamps on/off (on-board computer) 283
Switching the exterior lighting
delayed switch-off on/off (on-
board computer) ............................ 284
Switching the surround lighting
on/off (on-board computer) ..........284
Turn signals ................................... 131
see Interior lighting
see Replacing bulbs
Light sensor (display message) .......306
Loading guidelines ............................340
Locking see Central locking
Locking (doors)
Automatic ........................................ 88
Emergency locking ........................... 88
From inside (central locking
button) ............................................. 87
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 285Low-beam headlamps
Changing bulbs .............................. 138
Display message ............................ 303
Setting for driving abroad
(symmetrical) ................................. 128
Switching on/off ........................... 129
LOW RANGE
Display message ............................ 312
Off-road gear ................................. 259
LOW RANGE off-road gear ................259
Lumbar support Adjusting (on the seat) ..................116
Luxury head restraints .....................109 M
M+S tires ............................................ 406
Malfunction message see Display messages
Matte finish (cleaning instructions) 378
mbrace Call priority .................................... 359
Display message ............................ 297
Downloading destinations
(COMAND) ..................................... 359
Downloading routes .......................363
Emergency call .............................. 356
General notes ................................ 355
Geo fencing ................................... 363
Locating a stolen vehicle ...............362
MB info call button ........................358
Remote vehicle locking ..................361
Roadside Assistance button ..........358
Search & Send ............................... 360
Self-test ......................................... 356
Speed alert .................................... 363
System .......................................... 356
Triggering the vehicle alarm ........... 364
Vehicle remote malfunction
diagnosis ....................................... 362
Vehicle remote unlocking ..............361
Mechanical key
Function/notes ................................ 82
Inserting .......................................... 83
Locking vehicle ................................ 88
Removing ......................................... 82
Unlocking the driver's door ..............88 Index
13

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: (Y page 28).Exterior lighting
General notes
For reasons of safety, Mercedes-Benz
recommends that you drive with the lights
switched on even during the daytime. In some
countries, operation of the headlamps varies
due to legal requirements and self-imposed
obligations. Driving abroad
Conversion to symmetrical low beam Switch the headlamps to symmetrical low
beam in countries in which traffic drives on
the opposite side of the road from the country
where the vehicle is registered. This prevents
glare to oncoming traffic. When using
symmetrical lights, the edge of the road is not
lit as widely and as far ahead as normal.
Have the headlamps converted at a qualified
specialist workshop as close to the border as
possible before driving in these countries.
Conversion to asymmetrical low beam
after returning Have the headlamps converted back to
asymmetrical low-beam headlamps at a
qualified specialist workshop as soon as
possible after crossing the border again. Setting the exterior lighting
Setting options Exterior lighting can be set using:
R
the light switch
R the combination switch (Y page 131)
R the on-board computer (Y page 283)
Light switch Operation
1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp
If you hear a warning tone when you leave the
vehicle, the lights may still be switched on.
X Turn the light switch to Ã.
The exterior lighting (except the parking/
standing lamps) switches off automatically if
you:
R remove the SmartKey from the ignition lock
R open the driver's door with the SmartKey
in position 0.
Automatic headlamp mode G
WARNING
When the light switch is set to Ã, the low-
beam headlamps may not be switched on 128
Exterior lightingLights and windshield wipers

automatically if there is fog, snow or other
causes of poor visibility due to the weather
conditions such as spray. There is a risk of an
accident.
In such situations, turn the light switch to
L.
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times. 1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp
à is the favored light switch setting. The
light setting is automatically selected
according to the brightness of the ambient
light (exception: poor visibility due to weather
conditions such as fog, snow or spray):
R SmartKey in position 1in the ignition lock:
the parking lamps are switched on or off
automatically depending on the brightness
of the ambient light.
R With the engine running: if you have
activated the daytime running lamps
function via the on-board computer, the
daytime running lamps or the low-beam
headlamps and parking lamps are switched
on or off automatically depending on the
brightness of the ambient light. X
To switch on automatic headlamp
mode: turn the light switch to Ã.
Only for Canada:
The daytime running lamps improve the
visibility of your vehicle during the day. The
daytime running lamps function is required by
law in Canada. It cannot therefore be
deactivated.
When the engine is running and the vehicle is
stationary: if you move the selector lever from
a drive position to P, the daytime running
lamps/low-beam headlamps go out after
three minutes.
When the engine is running, the vehicle is
stationary and in bright ambient light: if you
turn the light switch to T, the daytime
running lamps and parking lamps switch on.
If the engine is running and you turn the light
switch to L, the manual settings take
precedence over the daytime running lamps.
USA only:
The daytime running lamps improve the
visibility of your vehicle during the day. To do
this, the daytime running lamps function must
be switched on using the on-board computer
(Y page 283).
If the engine is running and you turn the light
switch to TorL, the manual settings
take precedence over the daytime running
lamps.
i In the USA, the daytime running lamps are
deactivated upon delivery from the factory.
Low-beam headlamps G
WARNING
When the light switch is set to Ã, the low-
beam headlamps may not be switched on
automatically if there is fog, snow or other
causes of poor visibility due to the weather
conditions such as spray. There is a risk of an
accident.
In such situations, turn the light switch to
L. Exterior lighting
129Lights and windshield wipers Z

1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp
Even if the light sensor does not detect that
it is dark, the parking lamps and low-beam
headlamps switch on when the ignition is
switched on and the light switch is set to the
L position. This is a particularly useful
function in the event of rain and fog.
X To switch on the low-beam headlamps:
turn the SmartKey in the ignition lock to
position 2or start the engine.
X Turn the light switch to L.
The green Lindicator lamp in the
instrument cluster lights up.
Rear fog lamp 1
W
Left-hand standing lamps
2 X
Right-hand standing lamps 3
T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of
thick fog. Please take note of the country-
specific regulations for the use of rear fog
lamps.
X To switch on the rear fog lamps: turn the
SmartKey in the ignition lock to position 2
or start the engine.
X Turn the light switch to LorÃ.
X Press the Rbutton.
The yellow Rindicator lamp in the
instrument cluster lights up.
X To switch off the rear fog lamp: press the
R button.
The yellow Rindicator lamp in the
instrument cluster goes out.
Parking lamps
! If the battery has been excessively
discharged, the parking lamps or standing
lamps are automatically switched off to
enable the next engine start. Always park
your vehicle safely and sufficiently lit
according to legal standards. Avoid the
continuous use of the Tparking lamps
for several hours. If possible, switch on the
X right or the Wleft standing lamp. 130
Exterior lightingLights and windshield wipers

1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp
X To switch on: turn the light switch to
T.
The green Tindicator lamp in the
instrument cluster lights up.
Standing lamps 1
W
Left-hand standing lamps
2 X
Right-hand standing lamps
3 T
Parking lamps, license plate and
instrument cluster lighting
4 Ã
Automatic headlamp mode,
controlled by the light sensor
5 L
Low-beam/high-beam headlamps
B R
Rear fog lamp Switching on the standing lamps ensures the
corresponding side of the vehicle is
illuminated.
X
To switch on the standing lamps: the
SmartKey is not in the ignition lock or it is
in position 0.
X Turn the light switch to W(left-hand side
of the vehicle) or X(right-hand side of
the vehicle). Combination switch
Turn signal :
High-beam headlamps
; Turn signal, right
= High-beam flasher
? Turn signal, left
X To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow ;or?.
The corresponding turn signal flashes three
times.
X To indicate: press the combination switch
beyond the pressure point in the direction
of arrow ;or?. Exterior lighting
131Lights and windshield wipers Z

Adaptive Highbeam Assist
General notes You can use this function to set the
headlamps to change between low beam and
high beam automatically. The system
recognizes vehicles with their lights on, either
approaching from the opposite direction or
traveling in front of your vehicle, and
consequently switches the headlamps from
high beam to low beam.
The system automatically adapts the low-
beam headlamp range depending on the
distance to the other vehicle. Once the
system no longer detects any other vehicles,
it reactivates the high-beam headlamps.
The system's optical sensor is located behind
the windshield near the overhead control
panel.
Important safety notes G
WARNING
Adaptive Highbeam Assist does not recognize
road users:
R who have no lights, e.g. pedestrians
R who have poor lighting, e.g. cyclists
R whose lighting is blocked, e.g. by a barrier
In very rare cases, Adaptive Highbeam Assist
may fail to recognize other road users that have lights, or may recognize them too late.
In this or similar situations, the automatic
high-beam headlamps will not be deactivated
or activated regardless. There is a risk of an
accident.
Always carefully observe the traffic conditions
and switch off the high-beam headlamps in
good time.
Adaptive Highbeam Assist cannot take into
account road, weather or traffic conditions.
Adaptive Highbeam Assist is only an aid. You
are responsible for adjusting the vehicle's
lighting to the prevailing light, visibility and
traffic conditions.
In particular, the detection of obstacles can
be restricted if there is:
R poor visibility, e.g. due to fog, heavy rain or
snow
R dirt on the sensors or the sensors are
obscured
Switching Adaptive Highbeam Assist
on/off :
High-beam headlamps
; Turn signal, right
= High-beam flasher
? Turn signal, left 134
Exterior lightingLights and windshield wipers

X
To switch on: turn the light switch to
Ã.
X Press the combination switch beyond the
pressure point in the direction of
arrow :.
The _ indicator lamp in the
multifunction display lights up when it is
dark and the light sensor activates the low-
beam headlamps.
If you are driving at speeds above
approximately 16 mph (25 km/h):
The headlamp range is set automatically
depending on the distance between the
vehicle and other road users.
If you are driving at speeds above
approximately 19 mph (30 km/h) and no
other road users have been detected:
The high-beam headlamps are switched on
automatically. The Kindicator lamp in
the instrument cluster also lights up.
If you are driving at speeds below
approximately 16 mph (25 km/h) or other
road users have been detected or the roads
are adequately lit:
The high-beam headlamps are switched off
automatically. The Kindicator lamp in
the instrument cluster goes out. The _
indicator lamp in the multifunction display
remains lit.
X To switch off: move the combination
switch back to its normal position or move
the light switch to another position.
The _ indicator lamp in the instrument
cluster goes out. Headlamps fogged up on the inside
Certain climatic and physical conditions may
cause moisture to form in the headlamp. This
moisture does not affect the functionality of
the headlamp. Interior lighting
Overview of interior lighting
Overhead control panel
:
p To switch the left-hand front reading
lamp on/off
; c To switch the front interior lighting
on
= v To switch the on/off
? | To switch the front interior lighting/
automatic interior lighting control off
A p To switch the right-hand front
reading lamp on/off
B To switch the automatic interior lighting
control on Rear overhead control panel (second row of seats)
:
To switch the reading lamp on/off Interior lighting
135Lights andwindshield wipers Z

=
To direct the airflow through the rear air vents
? To direct the airflow through the footwell vents Information about using 2-zone
automatic climate control
The following contains notes and
recommendations on optimum use of dual-
zone automatic climate control.
R Activate climate control using the Ãand
¿/Á buttons. The indicator lamps in
the à and¿/Á buttons light up.
R Set the temperature to 72 ‡ (22 †).
R Only use the "Windshield defrosting"
function briefly until the windshield is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side as well. The
indicator lamp above the ábutton goes
out.
R Vehicles with COMAND: if you change the
settings of the climate control system, the
climate status display appears for
approximately three seconds at the bottom
of the screen in the COMAND display. See
also the separate COMAND operating
instructions. You will see the current
settings of the various climate control
functions. Overview of climate control systems
149Climate control

L
To increase the airflow (Y page 158)
M To set the temperature (Y page 157)
N To set rear-compartment climate control to automatic (Y page 156)
O To direct the airflow through the rear air vents (Y page 158)
P To direct the airflow through the footwell vents (Y page 158)
Q To switch rear-compartment climate control on/off (Y page 154)
R To reduce the airflow (Y page 158)Information about using 3-zone
automatic climate control
The following contains instructions and
recommendations to enable you to get the
most out of your automatic climate control.
R Activate climate control using the Ãand
¿/Á buttons. The indicator lamps
above the Ãand¿/Á buttons
light up.
R In automatic mode, you can also use the
ñ button to set a climate mode
(FOCUS/MEDIUM/DIFFUSE). The
MEDIUM level is recommended.
R Set the temperature to 72 ‡ (22 †).
R Only use the "Windshield defrosting"
function briefly until the windshield is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side and the rear
compartment as well. The indicator lamp
above the ábutton goes out.
R Use the residual heat function if you want
to heat or ventilate the vehicle interior
when the ignition is switched off. The
residual heat function can only be activated
or deactivated with the ignition switched
off.
R Vehicles with COMAND: if you change the
settings of the climate control system, the climate status display appears for
approximately three seconds at the bottom
of the screen in the COMAND display. See
also the separate COMAND operating
instructions. You will see the current
settings of the various climate control
functions.
Operating the climate control
systems
Switching climate control on/off
General notes When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control only
briefly
i
Switch on climate control primarily using
the à button (Y page 156).
In the rear compartment, you can also switch
climate control on and off using the Ãand
^ buttons. 154
Operating the climate control systemsClimate control

Activating/deactivating
X
Turn the SmartKey to position 2in the
ignition lock (Y page 167).
X To activate: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Airflow and air distribution are set to
automatic mode.
or
X Press the ^button.
The indicator lamp in the ^button goes
out. The previously selected settings are
restored.
X To deactivate: press the^button.
The indicator lamp in the ^button lights
up. Activating/deactivating cooling with
air dehumidification
General notes If you deactivate the "Cooling with air-
dehumidification" function, the air inside the
vehicle will not be cooled. The air inside the
vehicle will also not be dehumidified. The
windows can fog up more quickly. Therefore,
only deactivate the "Cooling with air-
dehumidification" function briefly.
The "Cooling with air dehumidification"
function is only available when the engine is
running. The air inside the vehicle is cooled
and dehumidified according to the
temperature selected.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a
malfunction. Activating/deactivating Example:
¿button
X To activate: press the¿/Á button.
The indicator lamp in the ¿/Á
button lights up.
X To deactivate: press the¿/Á
button.
The indicator lamp in the ¿/Á
button goes out. The "Cooling with air
dehumidification" function has a delayed
switch-off feature. Operating the climate control systems
155Climate control