2012 MERCEDES-BENZ GL SUV brake

comfortable driving style. Select comfort
mod
ealsow hend riving fas tonstraightroads,
e.g. on straight str etche sofm otorway.
X Press button :repeatedly unt ilindicator
lamps =and ;go out.
Yo uh aves elec ted Comfort mode.
The AMG Ride Control COMFORT mes-
sage appears in the multifunctio ndisplay. PARKTRONIC
Important safety notes G
WAR
NING
PARKTRONI Cisonly an aid and may not
detect all obs tacles .Itisnotas ubstitut efor
attentive driving.
You are alway sresponsible for safet yand
must continue to pay attention to your imme-
diate surroundings whe nparking and
manoeuvring. You could otherwise endanger
yourself and others. G
WARNING
Make sure that no persons or animals are in
the manoeuvrin grange. Otherwise, they
could be injured.
PARKTRONI Cisanelectronic parking aid with
ultrasonic sensors. It indicates visuallyand
audibl ythe distanc ebetween your vehicle
and an object.
PARKTRONIC is activated automaticall yif
you:
R switch on the ignition
R shift the transmission to position D,Ror N
R release the electri cparking brake
PARKTRONIC is deactivated at speeds above
18 km/h. It is reactivated at lower speeds.
PARKTRONIC monitor sthe ar ea arou ndyour
vehicle using six sensor sint he front bumper
an df our sensor sint he rear bumper. :
Example :sensor sint he front bumper,
left-hand side
Range of th esensors General notes
! When parking ,pay particular attention to
object sabov eorbelow th esensors, such
as flower pot sortrailer drawbars. PARK-
TRONIC does no tdetec tsuch objects when
they are in the immediate vicinity of the
vehicle. You could damage the vehicle or
the objec ts.
The sensors ma ynot detect sno wand
object swhich absor bultrasonic sources.
Ultrasonic sources, such as an automatic
car wash, alorry' scompressed-ai rbrakes
or ap neumatic drill, could cause PARK-
TRONI Ctom alfunction.
PARKTRONI Cmay not function correctly on
uneven terrain. 216
Driving systemsDriving and parking

Active Parking Ass
isti ss witched on automat-
icall ywhend riving forwards .The system is
operational at speeds of up to approximately
35 km/h. While in operation, the system inde-
pendently locates and measures parking
spaces on both sides of the vehicle. When
drivin gatspeeds below 30 km/ h,you will see
the parking symbol as astatus indicato rinthe
instrumen tcluster .Active Parking Ass ist only
display sparking spaces on the front-
pass enger sid easstandard .Parking spaces
on the driver' sside are displayed as soon as
th et urns ignal on the driver' sside is activa-
ted. To park on the driver' sside, you must
leave the driver' sside tur nsignal switched
on. This must remain switched on until you
acknowledge the use of Activ eParking Assist
by pressing the abutton on the multi-
function steerin gwheel.
When aparking space has been detected, an
arrow towards the right or the left also
appears.
Activ eParking Assist will only detect parking
spaces:
R that are parallel to the direction of travel
R that are at least 1. 5mwide
R that are at least 1. 3mlonger than your
vehicle
Ap arking space is displayed while you are
driving past it, and until you are approx-
imately 15 maway from it.
Parking G
WARNING
PARKTRONI Cand Activ eParking Assist are
merely parking aids and may not detec tall
obstacles. They do not reliev eyou of the
responsibili tyof payin gattention.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could, otherwise, endanger
yoursel fand others. G
WARNING
Whe nparking, you need to make sure that no
obstacles are located in the vicinity of the
vehicle durin gthe entire opera tion. Active
Parking Assist does not reliev eyou of the
responsibili tyof payin gattention. It merely
aids you by intervenin gactively in the steer-
ing.
To stop the vehi cleo ravoi dana ccident you
need to apply the brakes yourself.
X Stop the vehi clew hen the par king space
symbo lshows the desired par king space in
the instrumen tcluster.
X Shif tthe transmission to position R.
The Star tPark Assist? Yes: OK No: %
message appe arsint he multifunction
display.
X To cancel th eprocedure: press the
% button on the multifunction steering
whee lorp ull away.
or
X To par kusing Active Parking Assist:
press the abutton on the multifunction
steeri ngwheel.
The Park Assist active Accelerate and brake Observe surroundings mes-
sage appears in the multifunction display.
X Release the multifunction steerin gwheel.
X Reverse the vehicle, being ready to brake
at all times. When reversi ng,d rive at a
spee dbelow 10 km /h.O therwise, Active
Parking Assist will be cancelled.
i In tigh tparking spaces, you will achieve
the best parking results by backin gupas
far as possible .When doing so, also
observe the PARKTRONIC messages.
X Stop as soon as PARKTRONIC sound sthe
continuous warnin gtone, if not before.
Manoeuvrin gmay be required in tight park-
ing spaces.
The Park Assist active Select D Observe surroundings message appears in
the multifunction display. Driving systems
221Driving and parking Z

X
Shift the transmissio ntoposition Dwhile
the vehicle is stationary.
Active Parkin gAssist immediately steer sin
the othe rdirection.
The Park Assist active Accelerate and brake Observe surroundings mes-
sage appears in the multifunction display.
i You will achieve the best results by wait-
ing for the steerin gprocedure to complete
before pulling awa y.
X Drive forwards and be ready to brake at all
times.
X Stop as soo nasPARKTRONIC sounds the
continuous warning tone, if not before.
The ParkAssist active Select R Observe surroundings message appears in
th em ultifunction display.
Further transmissio nshift sm ay be neces-
sary.
As soon as the parking procedure is com-
plete, the Park Assist switched off mes-
sage appears in the multifunc tion display.
PARKTRONIC is still available.
X Manoeuvr eifnecessary.
X Alway sobserv ethe warnin gmessages dis-
played by PARKTRONI C(Ypage 217).
Parking tips:
R on narrow roads, driv easclosely as possi-
ble past the parkin gspace.
R parking spaces that are littered, overgrown
or partially occupied by trailer drawbars
might be identified incor rectly or not at all.
R snowfall or heavy rain may lea dtoap arking
space being measured inaccurately.
R the way your vehicle is positioned in the
parking space after parking is dependent
on various factors. Thes einclude the posi-
tion and shape of the vehicles parked in
front and behind it and the condi tions of the
location .Insome cases, Active Parking
Assist ma yguide you too far into aparking
space, or not far enough into it. In some
cases, it may also lead you across or onto
the kerb. If necessary, you should cancel the parking procedure with Active Parking
Assis
t.
R you can also engag eforward gear prema-
turely. The vehicle redirects and does not
drive as far int othe parkin gspace. Should
ag ear be changed too early, the parking
procedure will be cancelled. Asensible
parkin gposition can no longer be achieved
from this position.
Exiting aparkin gspace G
WARNING
Active Parking Assist doe snot monitor street
traffic .Insome cases, the vehicle will also
tak eyou onto section softhe oncoming lane
when exitin gaparking space.
You are responsible for safety at all times and
must pay attention to any road users
approaching or passing. Stop the vehicle if
necessary or cancel Active Parking Assis t.
Activ eParking Assis tcan only assis tyou with
exitin gaparking space if you have parked the
vehicle using Active Parking Assis t.
X Start the engine.
X Switch on the turn signal on the side facing
the street.
X Shift the transmission to position Dor R.
The Star tPark Assist? Yes: OK No: %
message appears in th emultifunction
display.
X To cancel the procedure: press the
% button on the multifunction steering
wheel or pull away.
or
X To exit aparkin gspace usin gActive
Parking Assist: press theabutton on
the multifunction steering wheel.
The Park Assis tactive Accelerate and brake Observe surroundings mes-
sage appear sinthe multifuncti on display.
X Releas ethe multifunction steeri ngwheel.
X Revers ethe vehi cleo rdrive forwards, being
ready to brake at all times .Donot exceed
am aximum spee dofapproximately 222
Driving systemsDriving and parking

R
the lane markings on the roa dare unclear,
e.g. near roadworks.
R the lane markings change quickly, e.g.
lanes branc hoff, cros sone another or
merge.
R the road is narrow and winding.
Lane Keeping Assist cannot detect road and
traffic conditions. It is not asubstitute for
attentive driving. You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather
conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
er s.
General notes :
Lane Keeping Assist camera
Lane Keeping Assist mon itors the area in
front of your vehicle by means of acamera at
the top of the windscre en.LaneK eeping
Assist detect slan em arking sont he road and
warns you before you leave your lane unin-
tentionally.
If you select km on the on-board com
puterin
the Display unit Speed-/odometer func-
tio n(Ypage 280), Lane Keeping Assist is
active starting at aspeed of 60 km/ h.If the
miles disp
layu nitiss elected, the assistance
range begins at 40 mph.
Aw arning may be given if afront wheel
passes ove ralane marking. It will warn you by means of intermittent vibration in the
steering wheel for up to 1.5 seconds.
Activating Lane Keeping Assist
X
Switch on Active Lane Keeping Assis tusing
the on-boar dcomputer ;todoso, select
Standard or
Adaptive (Y
page 279).
Symbol :appears in the multifunction
display.
If you drive at speeds abov e60km/h and
lan em arkings are detected, symbol :is
shown in green. Lane Keeping Assis tis
ready for use.
Standard
If Standard is selected, no warning vibration
occurs if:
R yo uh ave switched on the turn signals .In
this case, the warnings are suppressed for
ac ertain period of time.
R ad riving safet ysystem intervenes, such as
ABS ,BAS or ESP ®
.
Adaptive
If Adaptive is selected
,nowarning vibration
occurs if:
R you have switched on the turn signals .In
this case, the warnings are suppressed for
ac ertain period of time.
R ad riving safet ysystem intervenes, such as
ABS ,BAS or ESP ®
.
R you accelerate hard, e.g. kickdown.
R you brake hard.
R you stee ractively, e.g .swerve to avoid an
obstacle or change lane quickly.
R you cut the corner on ashar pbend.
In order that you are warned only when nec-
essary and in good tim eifyou cross the lane Driving systems
241Driving and parking Z

marking
,the system recognises certai ncon-
ditions and warns you accordingly.
The warning vibration occur searlier if:
R you approach the outer lane markin gona
bend.
R the road has ver ywidel anes ,e.g. am otor-
way.
R the system recognises solid lane markings.
The warning vibration occur slater if:
R the road has narrow lanes.
R you cut the corner on abend. Active Driving Assistance package
General notes The Active Drivin
gAssistanc epackag econ-
sists of DISTRONIC PLU S(Ypa ge198), Active
Blind Spo tAssist (Y page 242) and Active
Lane Keeping Assist (Y page 246).
Active Blind Spot Assist Importan
tsafety notes G
WARNING
Active Blind Spo tAssist is only an aid and may
detect vehicles/obstacles incorrectly or not
at all.
The system ma ybeimpaired or may not func-
tio nif:
R there is po orvisibility ,e.g. due to snow,
rain, fog or spray.
R the rear and/or front sensors are dirty.
Active Blind Spot Assist may not detect nar-
row vehi cles, such as motorcycles or bicycles,
or only detect the mtoo late. It can notd etect
vehicles which are overtaken at asmall dis-
tance and then enter th eblind spot area.
Active Blind Spot Assist cannot detect road
and traffic conditions. It is not asubstitute for
attentive driving. You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
ers.
The radar sensor syste misautomatically
deactivated near radio telescope facilities
(Y page 433).
For Active Blind Spot Assis ttoassist you
when driving, the radar sensor syste mmust
be activated (Y page 283)and operational.
General notes
Active Blind Spot Assist use saradar sensor
system to monitor the area to the sides of
your vehicle which are behind the driver. A
warning display in the exterior mirrors draws
your attention to vehicles detected in the
monitored area. If you then switch on the cor-
responding turn signal to change lane, you
will also receive an optical and audible warn-
ing. If arisk of lateral collision is detected,
corrective brakin gmay help you avoid acol-
lision. To suppor tthe course- correcting brake
application ,Active Blind Spo tAssist uses the
forward-facin gradar senso rsystem. The free
space in the direction of travel is then evalu-
ated.
Active Blind Spot Assist supports you from a
speed of approximatel y30km/h.
Monitorin grange G
WARNING
Active Blin dSpot Assist monitors cer tain
areas in the immediate vicinit yofyour vehicle.
Vehicles that approach and driv epast at high
speeds are not detected. No visual nor audi-
ble warnings are emitted and the system does
not brake the vehicle to correc tyour course.
If the lanes are ver ywide, it may not be pos-
sible to monitor the complete width of the
neighbouring lane. For this reason, vehicles in
the next lane may not be detected, especially
if they are drivin ginastaggered formation.
Thi sm ay be the case if vehicles are driving at 242
Driving systemsDrivin
gand pa rking

The yellow indicator lam
pgoes out if reverse
gear is engaged. Active Blin dSpot Assist is
then no longer active.
The brightness of the indicator/warning
lamps is adjusted automatically accordin gto
the ambient light.
Visual and acoustic collision warning Whe
nyou switc honthe tur nsignals to
change lanes and avehicle is detected in the
side monitorin grange, you receive avisual
and acoustic collision warning. You then hear
ad ouble warnin gtonea nd red warning
lamp :flashes. If the turn signal remains on,
detected vehicles are indicated by the flash-
ing of red warning lamp :.There ar enofur-
ther warning tones.
Course-correcting brake application G
WARNING
Active Blind Spot Assis tiso nly an aid
designe dtoassist driving. It is not asubstitute
for attentive driving. Automatic braking by the
system may not always be sufficient to avoid
ac ollision .Insuch cases, you need to steer,
brake or accelerate yourself.
In very rare cases, the system may detect a
risk of collision where there is none and brake
in error near crash barriers or similar road
boundaries .Active Blind Spot Assist cannot
detect all traffic situations and road users.
Ensure at all times that there is sufficient lat-
eral distance betwee nyou and other road
users or obstacles. You can ,for example,
countersteer gentl yordepress the accelera- tor pedal at any tim
etocancel inappropriate
braking action.
You are responsible for the vehicle's speed,
correct steering and for braking in good time.
Always adapt your driving style to suit the
prevailing road and weather conditions.
Always pay attention to traffic conditions and
your surroundings. Otherwise ,you may fai lto
recognise dangers in time ,cause an accident
and injure yourself and others. If Active Blind Spot Assis
tdetect sarisk of a
lateral collision in the monitorin grange, a
course-correcting brake application is carried
out. This is designed to help you avoid acol-
lision.
If ac ourse-cor recting brake application
occurs ,red warning lamp :flashes in the
exterior mirror and adual warning tone
sounds .Inaddition, display ;appears in the
multifunction display.
The course-cor recting brake applicatio nis
available in the spee drange between
30 km/h and 200 km/h. 244
Driving systemsDriving and parking

No course-correctin
gbrake applicatio nor
brak eapplication adapted to the driving con-
ditions occurs if:
R there are vehicles or obstacles, e.g. crash
barriers, on both sides of your vehicle.
R av ehicle approaches too closely on the
side.
R you have adopted asport ydriving style with
high cornerin gspeeds.
R you brak eoraccelerat edecisively.
R ad riving safety system intervenes, such as
ESP ®
or PRE-SAFE ®
Brake.
R ESP ®
is deactivated.
R theO ff-roa dprogram is activated (vehicles
without th eON&O FFROAD package).
R Off-road program 1or2isactivated (vehi-
cles with the ON&OFFROAD package).
R the LOW RANGE off-road gear is activated
(vehicle swith the ON&OFFROAD package).
R al oss of tyr epressure or adefec tive tyre is
detected.
Activatin gActive Blind Spot Assist X
Make sure that the radar senso rsystem
(Y page 283 )and Active Blind Spot Assist
(Y pag e279)are activate dint he on-board
computer.
X Tur nthe key to position 2in the ignition
lock.
Warnin glamps :light up red in the exte-
rior mirrors for approximately 1.5seconds
and then tur nyellow. Towin
gatrailer
If yo uattach atrailer, make sure th at you have
corre ctly established the electrical connec-
tion. This can be accomplished by checking
the trailer lighting. Active Blind Spot Assist is
then deactivated. The indicator lamp lights up
yellow in the exterior mirrors and the Active Blind Spot Assist currently unavail‐
able Se
eOwner's Manual message
appears in th emultifunction display.
Active Lane Keeping Assist Important safety notes
G
WARNING
Active Lane Keeping Assis tdoes not keep
your vehicle in its lane. It is only an aid and
may detec tthe lan emarkings on the road
incorrectly or not at all.
The system may be impaired or may not func-
tion if:
R several or no lane markings for asingle lane
are present.
R there is poor visibility, e.g. due to insuffi-
cient illumination of the road, or due to
snow, rain, fog or spray.
R there is glare, e.g. from oncoming traffic,
the sun, or reflec tion from other vehicles.
R the windscreen is dirty, misted up or cov-
ered, for insta ncebyasticker, in the vicinity
of the camera.
R the lane markings are worn away ,dark or
covered up, e.g. by dirt or snow.
R the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected.
R the lane markings on the road are unclear,
e.g. near roadworks.
R the lane markings change quickly, e.g.
lanes branch off, cross one another or
merge.
R the road is narrow and winding.
Active Lane Keeping Assis tcannot detect
road and traffic conditions. It is not asubsti-
tute for attentive driving. You are responsible Driving systems
245Drivingand pa rking
Z

for the vehicle's speed, brak
inging ood time,
and steering correctly. Always adapt your
drivin gstyle to suit the prevailing road and
weather conditions .Always pay attention to
traffic condition sand your surroundings. Oth-
erwise, you may fail to recognise dange rsin
time, cause an accident and injure yourself
and others.
General notes Activ
eLane Keepin gAssist monitor sthe area
in fr ontof your vehicle by mea nsofac am-
era :at the top of the windscreen .Active
Lane Keepin gAssist detect slane markings on
the road and warn syou before you leav eyour
lane unintentionally .Ifyou do no treact to the
warning, alane-correctin gapplication of the
brakes can brin gthe vehicle bac kinto the
original lane.
If you select km on the on-board computer in
the Displa yunit Speed-/odometer: functio
n(Ypage 28 0),A ctive Lane Keeping
Assist is activated starting at aspeed of
60 km/h. If the miles display unit is selected,
the assistanc erange begins at 40 mph.
Warning vibration in the steering wheel
Aw arning may be given if afront wheel
passes ove ralane marking. It will warn you
by means of intermitten tvibration in the
steering wheel for up to 1.5 seconds.
In order that you are warned only when nec-
essary and in good time if you cross the lane
marking, the system recognises certain con-
ditions and warns you accordingly. The warnin
gvibration occur searlier if:
R you approach the outer lane markin gona
bend.
R the road has ver ywide lanes, e.g. amotor-
way.
R the system recognises solid lane markings.
The warnin gvibration occur slater if:
R the road has narrow lanes.
R you cut the corner on abend.
Lane-correcting brak eapplication G
WARNING
Active Lane Keeping Assist doe snot keep
your vehicle in its lane. It is only an aid
designed to assist driving. It is not asubstitute
for attentive driving. Corrective brakin gmay
not alway sbesufficien ttoreturnyour vehicle
to its original lane. In such cases, you must
steer the vehicle yourself to ensur ethat it
does not leav ethe lane.
Ac tive Lane Keeping Assist cannot detec tthe
curren ttraffic situatio norother road users.
Ensure at all times that there is sufficient lat-
eral distance between you and othe rroad
users or obstacles. In rar ecases, broken lines
or certain structures on the road surface may
be detected by the system as solid lane mark-
ings. You can, for example, countersteer gen-
tly at any time to cancel inappropriate braking
action, e.g. if you intentionally drive across a
solid lane marking.
Active Lane Keeping Assis tcannot take
weather conditions into account.
You are responsible for the vehicle's speed,
correc tsteering and for braking in good time.
Alway sadapt yo ur driving style to suit the
prevailing road and weather conditions.
Always pay attention to traffic conditions and
your surroundings. Otherwise, you may fail to
recognise dangers in time, cause an accident
and injure yourself and others. 246
Driving systemsDrivin
gand pa rking