2014 MERCEDES-BENZ GL high beam

High-beam headlamps
CHigh-beam headlamps
DTurn signal, right

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
GWARNING
Adaptive Highbeam Assist does not recognize
road users:
Rwho have no lights, e.g. pedestrians
Rwho have poor lighting, e.g. cyclists
Rwhose 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:
Rpoor visibility, e.g. due to fog, heavy rain or
snow
Rdirt on the sensors or the sensors are
obscured
Switching Adaptive Highbeam Assist
on/off
CHigh-beam headlamps
DTurn signal, right

Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb
type can be found in the legend.
Halogen headlamps
CLow-beam headlamp: H7 55 W
DHigh-beam headlamp: H7 55 W
Tail lamp
CBrake lamp: P 21 W-L
Changing the front bulbs
Removing and installing the cover in the
front wheel housing
You must remove the cover from the front
wheel housing before you can change the
front bulbs.
XTo remove:switch off the lights.
XTurn the front wheels inwards.
XRemove securing pinDusing a suitable
tool.
XSlide coverCup and remove it.
XTo install:insert coverCagain and slide
it down until it engages.
XInsert securing pinD.
Low-beam headlamps (halogen
headlamps)
XRemove the cover in the front wheel
housing (Ypage 138).
XTurn housing coverCcounter-clockwise
and pull it out.
XTurn bulb holderDcounter-clockwise and
pull it out.
XTake the bulb out of bulb holderD.
XInsert the new bulb into bulb holderD.
XInsert bulb holderDinto the lamp and turn
it clockwise.
138Replacing bulbs
Lights and windshield wipers

XAlign housing coverCand turn it
clockwise until it engages.
XReplace the cover in the front wheel
housing (Ypage 138).
High-beam headlamps (halogen
headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing coverCcounter-clockwise
and pull it out.
XPull lever

Warning and display messages in the
multifunction display
XActivate ATTENTION ASSIST using the on-
board computer (Ypage 281).
XIf ATTENTION ASSIST is active, it will not
warn you until at least 20 minutes after
your journey has begun. You then hear an
intermittent warning tone twice and the
Attention Assist: Take a Break!Attention Assist: Take a Break!
message appears in the multifunction
display.
If necessary, take a break.
XPress thevor8button to confirm
the message.
On long journeys, take regular breaks in good
time to allow yourself to rest properly. If you
do not take a break and ATTENTION ASSIST
still detects increasing lapses in
concentration, you will be warned again after
15 minutes at the earliest.
ATTENTION ASSIST is reset when you
continue your journey and starts assessing
your tiredness again if:
Ryou switch off the engine.
Ryou take off your seat belt and open the
driver's door, e.g. for a change of drivers or
to take a break.
Night View Assist Plus
General notes
In addition to the illumination provided by the
normal headlamps, Night View Assist Plus
uses infrared light to illuminate the road.
Night View Assist Plus cameraCpicks up
the infrared light and displays a monochrome
image in COMAND. The image displayed in
COMAND corresponds to a road lit up by high-
beam headlamps. This enables you to see the
road's course and any obstacles in good time.
If pedestrian recognition is activated,
pedestrians recognized by the system are
highlighted in the Night View Assist Plus
display.
Light from the headlamps of oncoming
vehicles does not affect the Night View Assist
Plus display in the multifunction display. This
is also the case if you cannot switch on the
high-beam headlamps due to oncoming
traffic.
iInfrared light is not visible to the human
eye and therefore does not glare. Night
View Assist Plus can therefore remain
switched on even if there is oncoming
traffic.
Important safety notes
Night View Assist Plus is only an aid and is not
a substitute for attentive driving. Do not rely
on the Night View Assist Plus display. You are
responsible for the distance to the vehicle in
front, for vehicle speed and for braking in
good time. Drive carefully and always adapt
your driving style to suit the prevailing road
and traffic conditions.
The system may be impaired or may not
function if:
Rthere is poor visibility, e.g. due to snow,
rain, fog or spray
Rthe windshield is dirty, fogged up or
covered, for instance by a sticker, in the
vicinity of the camera
Ron bends, on uphill gradients or downhill
gradients
240Driving systems
Driving and parking

Display messagesPossible causes/consequences andPPSolutions
I
Check Front LeftCheck Front Left
Turn SignalTurn Signalor
Check Front RightCheck Front Right
Turn SignalTurn Signal
The front left-hand or front right-hand turn signal is defective.
XVisit a qualified specialist workshop.
I
Check Left MirrorCheck Left Mirror
Turn SignalTurn Signalor
CheckCheckRightRightMirrorMirror
Turn SignalTurn Signal
The turn signal in the left-hand or right-hand exterior mirror is
defective.
XVisit a qualified specialist workshop.
I
CheckCheckCenterCenterBrakeBrake
LampLamp
The high-mounted brake lamp is faulty.
XVisit a qualified specialist workshop.
I
Check Left BrakeCheck Left Brake
LampLamporCheckCheck
Right Brake LampRight Brake Lamp
The left or right-hand brake lamp is defective.
XCheck whether you are permitted to replace the bulb yourself
(Ypage 138).
or
XVisit a qualified specialist workshop.
I
Check Left TailCheck Left Tail
and Brake Lampsand Brake Lampsor
Check Right TailCheck Right Tail
and Brake Lampsand Brake Lamps
The left or right-hand tail lamp/brake lamp is defective.
XCheck whether you are permitted to replace the bulb yourself
(Ypage 138).
or
XVisit a qualified specialist workshop.
I
Check Left HighCheck Left High
BeamBeamorCheckCheck
Right High BeamRight High Beam
The left or right-hand high beam is defective.
XCheck whether you are permitted to replace the bulb yourself
(Ypage 138).
or
XVisit a qualified specialist workshop.
I
License Plate LampLicense Plate Lamp
The left or right-hand license plate lamp is defective.
XVisit a qualified specialist workshop.
304Displaymessages
On-b oard computer and displays

Display messagesPossible causes/consequences andPPSolutions
I
AutoAutoLampLampFunctionFunction
InoperativeInoperative
The light sensor is defective.
XVisit a qualified specialist workshop.
I
Switch Off LightsSwitch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
XTurn the light switch toX.
Adaptive HighbeamAdaptive Highbeam
Assist InoperativeAssist Inoperative
Adaptive Highbeam Assist is faulty.
XVisit a qualified specialist workshop.
Adaptive HighbeamAdaptive Highbeam
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
Rthe windshield in the camera's field of vision is dirty.
Rvisibility is impaired due to heavy rain, snow or fog.
XClean the windshield.
If the system detects that the camera is fully operational again,
theAdaptive Highbeam Assist Now AvailableAdaptive Highbeam Assist Now Availablemessage is
displayed.
Adaptive Highbeam Assist is operational again.
Engine
Display messagesPossible causes/consequences andPPSolutions