lights MERCEDES-BENZ GL SUV 2012 Manual Online

Displa
ymessages Possible causes/consequences and
M Solutions
b
Le
ft daytim edriv‐ ing lamp or
Ri ght daytim
edriving lamp Th
eleft-han dorright-hand daytime drivin glamp is faulty.
X Chec kwhether you ar epermitted to replace the bulb yourself
(Y page 129).
or
X Visit aqualified specialist workshop. b
Intell
.Light Sys‐ tem inoperative Th
eI ntelligent Light Syste misfaulty. The lights remain available
without the Intelligent Light System.
X Visit aqualified specialist workshop. b
Malfunctio
nSee Owner's Manual Th
ee xterior lighting is faulty.
X Visit aqualified specialist workshop. Vehicles with trailer tow hitch:
afuse may have blown.
X Check the fuses (Y page 391).
X If necessary, replace the blown fuse. Observe the warning notes
as you do so.
If the displa ymessage continues to be displayed:
X Visit aqualified specialist workshop. b
AUTO
lights inoper‐
ative The light senso
risf aulty.
X Visit aqualified specialist workshop. b
Switch of
flights Th
elights are still switched on when you leave the vehicle. A
warnin gtone also sounds.
X Tur nthe light switc htoÃ. Adaptive Main-beam
Assist inoperative Adaptive Highbea
mAssist is faulty.
X Visit aqualified specialist workshop. Adaptive Main-beam
Assist currently
unavailabl
eSee Owner's Manual Adaptive Highbea
mAssist is deactivate dand temporarily inoper-
ative. Possible causes:
R the windscreen is dirty in the camera's field of vision.
R visibility is impaired due to heavy rain, sno worfog.
X Clean the windscreen.
If the system detec tsthat the camera is fully operational again,
the Adaptive Main-beam Assist available again message
is displayed.
Adaptive Highbeam Assist is operational again. Display messages
303On-board computer and displays Z

Safety
Sea tbelts Problem Possible causes/consequences and
M Solutions
ü
Only for certain coun-
tries: the red seat belt
warnin
glamp lights up
for six seconds after
the engine starts. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt (Y page 47).ü
Only for certain coun-
tries: the red seat belt
warning lamp lights up
after the engine starts.
In addition,
awarning
tone sounds for up to
six seconds. The driver'
sseat belt is not fastened.
X Fasten your seat belt (Y page 47).
The warning tone ceases. ü
The red seat belt warn-
ing lam
plights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 47).
The warnin glamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in asecur eplace.
The warnin glamp goes out. ü
The red seat belt warn-
ing lamp flashes and an
intermitten
taudible
warning sounds. The driver or front passenger has not fastened their seat belt. At
th es am etime, yo uare dr ivingfaster than25k m/h or have briefly
driven faster than 25 km/h.
X Fasten your seat belt (Y page 47).
Th ew arning lamp goes out and the intermittent warning tone
ceases. There are objects on the front-passenger seat. At the same time,
you are driving faster than 25 km/h or have briefly driven faster
than 25 km/h.
X
Remove the objects from the front-passenger seat and stow
them in asecur eplace.
The warnin glamp goes out and the intermittent warning tone
ceases. Warnin
gand indicator lam psin th einstru ment cluster
325On-board computer and displays Z

Safety systems
Problem Possible causes/consequences and
M Solutions
J
The yellow brake sys-
tem warnin glamp
lights up while the
engine is running. G
WARNING
The brake system is malfunctioning and the braking characteris-
tics may be affected.
There is arisk of an accident.
X If the multifunction display shows adisplay message, please
observe this.
X Driv eonc arefully.
X Visit aqualified specialist workshop. J
The red brake system
warning lamp comes on
while the engine is run-
ning. Awarning tone
also sounds. G
WARNING
The brake boosting effect is malfunctioning and the braking char-
acteristic smay be affected.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 181).
X Consult aqualified specialist workshop.
X Observe the additional display messages in the multifunction
display. J
The red brake system
warning lamp comes on
while the engine is run-
ning. Awarning tone
also sounds. There is insufficient brake fluid in the fluid reservoir.
G WARNING
The braking efficienc ymay be impaired.
There is arisk of an accident.
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 181).
X Do not top up the brake fluid. Topping up will not rectif ythe
fault.
X Consult aqualified specialist workshop.
X Observe the additional display messages in the multifunction
display. 326
Warnin
gand indicator lam psin th einstru ment clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
!
The yellow AB
Swarning
lamp is lit while the
engine is running. ABS (Anti-lock Brake System) has been deactivated due to
afault.
For this reason, BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic
Stability Program), PRE-SAFE ®
,P RE-SAFE ®
Brake, COLLISION
PREVENTION ASSIST, the HOLD function, hill start assist, cross-
wind driving assistance, adaptive brake lights and ESP ®
trailer
stabilisation, for example, are also deactivated.
ATTENTION ASSIST is deactivated.
G WARNING
The brake syste mcontinue stofunction normally, but without the
functions listed above. The wheel scould therefor elock if you
brake hard ,for example.
The steerabilit yand braking characteris tics may be severely affec-
ted .The brakin gdistance in an emergenc ybraking situatio ncan
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop.
If the ABS control unit is faulty, there is also apossibility that other
systems, such as the navigation system or the automatic trans-
mission ,will not be available. Warning and indicator lamp
sinthe instrument cluster
327On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions
!
The yellow AB
Swarning
lamp is lit while the
engine is running. ABS is temporarily unavailable. Therefore, BAS
,BAS PLUS, ESP ®
,
EBD (electronic brake force distribution), PRE-SAFE ®
,
PRE-SAFE ®
Brake, COLLISION PREVENTION ASSIST, the HOLD
function, hil lstart assist, crosswind driving assistance, the adap-
tive brake lights and ESP ®
trailer stabilisation, for example, are
also deactivated.
ATTENTION ASSIST is deactivated.
Possible causes:
R self-diagnosis is not yet complete.
R the on-board voltage may be insufficient.
G WARNING
The brake syste mcontinue stofunction normally, but without the
functions listed above. The front and rear wheel scould therefore
lock if you brake hard ,for example.
The steerabilit yand braking characteris tics may be severely affec-
ted .The brakin gdistance in an emergenc ybraking situatio ncan
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
There is arisk of an accident.
X Carefull ydrive on asuitable stretch of road, making slight steer-
ing movement sataspeed above 20 km/h.
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. 328
Warnin
gand indicator lam psin th einstru ment clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
!
The yellow AB
Swarning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is faulty. Therefore, ABS
,BAS, BAS PLUS, ESP ®
,P RE -SAFE ®
,
PRE-SAFE ®
Brake, COLLISION PREVENTION ASSIST ,the HOLD
function, hill start assist, crosswind drivin gassis tance, the adap-
tive brake lights and ESP ®
trai lers tabilisation, for example, are
also not available.
ATTENTIO NASSIST is deactivated.
G WARNING
Th eb rake system continue stofunction normally, but without the
functions listed above. The front and rear wheel scould therefore
lock if you brake hard ,for example.
The steerabilit yand braking characteristics may be severely affec-
ted. The braking distance in an emergenc ybraking situatio ncan
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop. J֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. ABS and ESP
®
are malfunctioning. For this reason, BAS PLUS,
PRE-SAFE ®
,P RE-SAFE ®
Brake, COLLISION PREVENTION ASSIST,
the HOLD function, hill start assist, crosswind driving assistance,
the adaptive brake lights and ESP ®
trailer stabilisation, for exam-
ple, are also not available.
ATTENTION ASSIST is deactivated.
G WARNING
The brake syste mcontinue stofunction normally, but without the
functions listed above. The front and rear wheel scould therefore
lock if you brake hard ,for example.
The steerabilit yand braking characteristics may be severely affec-
ted. The braking distance in an emergenc ybraking situatio ncan
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop. Warnin
gand indicator lam psin th einstrument cluster
329On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions
÷
The yellow ESP
®
warn-
ing lam pflashes while
the vehicle is in motion. ESP
®
or trac tion con trolhas intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLU Sisd eactivated.
X Only depress the accelerator pedal as far as necessar ywhen
pulling away.
X Ac celerate more gently while the vehicle is in motion.
X Adapt your drivin gstyle to suit the road and weather conditio ns.
X Do not deactivate ESP ®
.
Exceptions: (Y page 66) å
The yello
wESP®
OFF
warning lamp is lit while
the engine is running. ESP
®
is deactivated.
G WARNING
If ESP ®
is switche doff, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Reactivate ESP ®
.
Exceptions: (Y page 66)
X Adap tyour drivin gstyle to suit the road and weather conditio ns.
If ESP ®
cannot be activated:
X Have ESP ®
checked at aqualified specialist workshop. ֌
The yello
wESP®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
,B AS PLUS, PRE-SAFE ®
,P RE-SAFE ®
Brake, COLLISION PRE-
VENTION AS SIST, the HOL Dfunction, hill start assist, crosswind
driving assistance, the adaptive brake lights and ESP ®
trailer sta-
bilisation are unavailable due to amalfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Observ ethe additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified special istworkshop. 330
Warnin
gand indicator lamps in th einstru ment clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps ar elit while the
engine is running. ESP
®
,B AS, PRE-SAFE ®
,t he HOL Dfunction, hill start assist, cross-
wind driving assistance and ESP ®
trailer stabilisatio nare tempo-
raril ynot available.
The adaptive brake lights, COLLISION PREVENTION ASSIST, BAS
PLU Sand PRE-SAFE ®
Brake may als ohave failed.
ATTENTION ASSIST is deactivated.
Self-diagnosis is not yet complete.
G WARNING
The brake system continues to function normally, but withou tthe
func tions listed above.
The brakin gdistance in an emergenc ybraking situatio ncan thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilis ethe vehicle.
The danger of skidding and having an accident increases.
X Carefully drive on asuitable stretc hofroad, makin gslight steer-
ing movement sataspeed above 20 km/h.
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. Warnin
gand indicator lam psin th einstru ment cluster
331On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions
!
The red indicator lamp
for the electric parking
brake flashes or lights
up and/or the yellow
warnin glamp for the
electric parking brake
lights up. X
Observe the additional display message sint he multifunc tion
display. 6
The red SRS warning
lam
pisl it while the
engine is running. There is
amalfunction in the SRS (Supplemental Restraint Sys-
tem).
G WARNING
The airbags or belt tensioners may either be triggered uninten-
tionally or, in the event of an accident, may not be triggered.
This pose sanincrease drisk of injury.
X Driv eonc arefully.
X Have SRS checked at aqualified specialist worksho pimmedi-
ately.
For further information abou tthe Supplemental Restrain tSystem,
see (Y page 41). 332
Warnin
gand indicator lam psin th einstru ment clusterOn-board computer and displays

You can remove the rubber mat of the cup
holder to clean it. Clean it with clean
,luke-
warm water only.
Temperature-controlled cup holder in
th ef ront-compartment centr econsole G
WARNING
When you use the warmin gfunction ,the metal
insert of thecup holder is heated. Therefore,
do not touch the cup holder inser t.Otherwise,
you migh tburny oursel f. :
Cuph olders
; Residual heat indicator lamp
= Button
Th et emperature-c ontrolle dcup holde rcan
be used to keep cold drinks cold and hot
drinks hot.
X Turn the key to position 2in the ignition
lock.
X To switch on th ecooling function: press
and hold button =until th eblue indicator
lamp on th ebutton lights up.
X To switch on th eheating function: press
and hold button =until the red indicator
lamp on the button lights up.
X To switch off th efunc tion: press and hold
button =until the indicator lamp on the
button goes out.
When the heatin gfunction is used, residual
heat indicator lamp ;lights up fro macer-
tain temperature. This mean sthat the metal
insert of the cup holder is hot. Cu
ph older in th erears eat armrest !
Do not sit on or support your body weight
on the rear seat arm rest when it is folded
down ,asy ou coul dotherwise damage it. X
Fold down the rear seat armrest.
Cup holder :is located in the rear seat
armrest.
Cup holder in th ethird row of seats :
Cup holders
The cup holders are located on the right-hand
and left-han dside panels. Sun visors
Overview G
WAR
NING
Keep the vanity mirrors in the sun visors cov-
ered whil edriving.Y ou coul dotherwise be
dazzled, which may impair your view of traffic
conditions and as aresult could cause an
accident. Features
347Stowing and features Z