transmission MERCEDES-BENZ GL SUV 2012 Owner's Guide

HOL
Dfunction
Gen eral notes Th
eH OLD function ca nassist the driver in the
foll owing situations:
R when pulling away, especially on steep
slopes
R when manoeuvrin gonsteep slopes
R when waiting in traffic
The vehicle is kept stationary without the
driver having to depress the brake pedal.
The braking effect is cancelled and the HOLD
function is deactivated when you depress the
accelerator peda ltop ull away.
i Do not use the HOLD function when driv-
ing off-road, on steep downhill or uphill
inclines or on aslippery or loose surface.
Under such circumstances, the HOLD func-
tion may not be able to keep the vehicle
stationary.
Activation conditions You can activate the HOLD func
tion if:
R the vehicle is stationary.
R the engin eisrunning or if it has been auto-
matically switched off by the ECO start/
stop function.
R the driver' sdoor is closed or if your seat
belt is fastened.
R the electric parkin gbrake is released.
R thet ransmission is in position D,Ror N.
R DISTRONIC PLUS is deactivated.
Activatin gthe HOL Dfunction G
WARNING
Th ev ehicle' sbrake sare applied when the
HOLD functio nisactivated. For thi sreason,
deactivat ethe HOL Dfunction if the vehicle is
to be set in motion by other means (e.g. in a
car wash or by towing). X
Make sure that the activation conditions
are met.
X Depress the brake pedal.
X Quickly depres sthe brake pedal further
until ë appears in the multifunction dis-
play.
The HOL Dfunction is activated. You can
release the brake pedal.
i If depressing the brake pedal the first
time does not activate the HOLD function,
wait briefly and then try again.
Deactivating the HOLD function G
WARNING
Never get out of the vehicle when the HOLD
function is activated.
The HOLD function must never be operated
or deactivated by apassenger or from outside
the vehicle.
The HOLD function does not replace the elec-
tric parking brake and must not be used for
parking.
The braking effect of the HOLD function is
cancelled and the vehicle could roll away if:
R the HOLD function is deactivated by
depressing the accelerator pedal or the
brake pedal.
R there is amalfunction in the system or an
interruption in the power supply ,e.g. bat-
tery failure.
R the electrical system in the engine com-
partment, the battery or the fuses are tam-
pere dwith.
R the battery is disconnected.
If you leave the vehicle or park it, deactivate
the HOLD func tion and secur ethe vehicle
against rolling away.
The HOL Dfunction is deactivated automati-
cally if:
R you accelerate and the transmission is in
position Dor R.
R you shift the transmission to position P. Driving systems
211Drivingand pa rking Z

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

Sid
eview Top view
The sensors mus
tbefree of dirt, ice and
slush. Othe rwise, they may not function cor-
rectly. Clean the sensor sregularly, taki ng
care not to scratch or damag ethem
(Y page 37 0).
Front sensors Centre approximately 100 cm
Corners approximately 60 cm
Rear sensors
Centre approximately 120 cm
Corners approximately 80 cm
Minimu
mdistance Centre approximately 20 cm
Corners approximately 15 cm
If ther
eisano bstacle within this range, the
relevant warning displays light up and awarn-
ing ton esounds. If the distan cefall sbelow the minimum, the distanc
emay no longer be
shown.
Warning displays Warning display for th
efront area
: Segment sonthe left-hand side of the
vehicle
; Segment sonthe right-hand side of the
vehicle
= Segment sshowing operational readiness
The warning display sshow the distance
betwe enthe sensor sand the obstacle. The
warning displa yfor the front area is located
on the dashboar dabove the centre air vents.
The warning display for the rear area is in the
roof lamp in the rear compartment.
The warning display for each side of the vehi-
cle is divided into fiv eyellow and two red seg-
men ts.P ARKTRONIC is operational if yellow
segments showing operational readiness =
ligh tup.
The selected transmission position and the
direction in which the vehicle is rollin gdeter-
min ewhich warnin gdispla yisa ctive whe nthe
engin eisrunning. Transmission
position Warning display
D
Front area activated
R,
Nor the vehicle
is rolling back-
wards Rear and front areas
activated
P
No areas activatedDriving systems
217Drivingand pa rking Z

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

10 km/h wh
enexiting aparking space.
Otherwise ,Active Parking Assist will be
cancel led.
X Stop as soon as PARK TRONIC sounds the
continuous warning tone, if not before.
X Shif tthe transmission to position Dor Ras
req uired wh ilet he vehicle is stationary.
Activ eParking Assis timmediatel ysteers in
the othe rdirection.
i You will achieve the best results by wait-
ing for the steering procedure to complete
before pulling away.
If you rever seafter activation, the steering
wheel is moved to the straight-ahead posi-
tion.
X Drive forwards or reverse the vehicle, being
read ytob rake at al ltimes.
X Stop as soon as PARKTRONIC sounds the
continuou swarning tone, if not before.
X Drive forwards and revers easinstructed by
the PARKTRONI Cwarning displays.
Once you have exite dthe parkin gspace com-
pletely, the steering wheel is moved to the
straight-ahead position. You hea ratonea nd
the message Park Assist switched off appear
sinthe multifuncti on display. You will
then have to steer and merg eintot raffic on
you rown. PARKTRONI Cisstill available.
Cancelling Active Parking Assist X
Stop the movemen tofthe multifunction
steeri ngwheel or steer yourself.
Activ eParking Assist will be cancelled at
once. The Park Assist cancelled mes-
sage appears in the multifunction display.
or
X Press the PARKTRONI Cbutton on the
centr econsole (Y page 218).
PARKTRONI Cisswitched off and Active
Parking Assist is immediately cancelled.
The Park Assist cancelled message
appears in the multifunction display. Activ
eParking Assist is cancelled automati-
cally if:
R parking using Activ eParking Assist is no
longer possible.
R you are drivin gfaster than 10 km/h.
R aw heel spin sand ESP ®
intervenes or fails.
The ÷ warnin glamp lights up in the
instrumen tcluster.
Aw arning ton esounds. The par king symbol
disappears and the multifunction display
shows the ParkA ssist cancelled mes-
sage.
When Activ eParking Assist is cancelled, you
must steer again yourself.
Towing atrailer For vehicles with
atrailer to whitch, the min-
imum length for parking spaces is slightly
increased.
If yo uhavea ttache datrailer to your vehicle,
yo us houl dnot us eActiv eParking Assist.
Once the electrica lconnection is established
between your vehicl eand the trailer, Active
Parking Assist is no longer available .PARK-
TRONIC is deactivated for the rear area. Reversin
gcamera
Important safety notes G
WARNING
Mak esure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured. G
WARNING
The reversing camera is only an aid and may
sho wad istorted view of obstacles, show
them incorrectly or not at all. The reversing
camer aisnotas ubstitute for paying atten-
tion. The camera cannot sho wobject sinthe
following areas: Driving systems
223Driving and parking
Z

To deactivate:
the reversing camera is deac-
tivated if you:
R sh iftt he transmission to position P
R drive for wards 10 m
R shift th etransmission from Rto another
positio n(after 15 seconds)
R driv eforwards at aspee dofover
10 km/h
Display sintheCOMAN Ddisplay G
WARNING
Usin gthe reversing camera ca nbedangerous
if you are colour-blind or if your abilit ytodis-
tinguish colours is impaired.
Only use th ereversing camera if you can see
and distinguish between all th ecoloured
guide lines that are displayed by the reversing
camera in the COMAN Ddisplay. G
WARNING
Please note that object snot at groun dlevel
may appear to be further away than they
actually are. These include:
R the bumper of avehicle that is parked
behind your vehicle
R at railer drawbar
R theb all coupling of atrailer tow hitch
R thet ail-end of alorry
R slanted posts
The lines are only guides, not accurate meas-
urements of the distance to an obstacle.
Therefore, you should never pass the red line
when approachin ganobstacle. You could oth-
erwise cause an accident and injur eyourself
and others. :
White guide line without turnin gthe steer-
ing wheel, vehicle widt hincluding the
exterior mirrors (static)
; Yellow guid eline at adistance of approx-
imately 4.0 mfrom th erear of the vehic le
= Red guide line for the vehicl ewidth includ-
ing the exterior mirrors, for current steer-
ing whee langle (dynamic)
? Yellow lane marking the course the tyres
willtake at the current steering wheel
angle (dynamic) A
Yellow guide line at adistance of approx-
imately 1.0 mfrom th erear of the vehic le
B Veh icle centr eaxle (marker ass istance)
C Bumper
D Red guide line at adistance of approx-
imately 0.2 5mfrom th erear of the vehic le
Th eg uide lines are sho wn whenthe trans-
mission is in position R.
The distance specifications only apply to
object sthat ar eatground level. Dri
ving systems
225Driving and pa rking Z

The system evaluates images from the fol-
lowin gcameras:
R reversin gcamera
R fron tcamera
R two cameras in the exterior rear view mir-
rors
The cameras capture the immediate sur-
roundings of the vehicle. The system sup-
ports you, e.g. when parking or if vision is
restricted at an exit.
The 360 °camera images can be shown in full
screen mode or in seven different split-screen
views on the COMAND display. Asplit-screen
view also includes atop view of the vehicle.
This view is calculated from the data supplied
by the installed camera s(virtual camera).
Th e7s plit-screen views are:
R top view and picture from the reversing
camera (13 0°viewing angle)
R top view and picture from the fron tcamera
(without displaying the maximum steering
wheel angle)
R top view and enlarged rear view
R top view and enlarged front view
R top view and trailer view (vehicles with
trailer tow hitch)
R top view and pictures from the rearward
facin gmirror cameras (rear wheel view)
R top view and pictures from the forward
facin gmirror cameras (fron twheel view)
i The top vie wand trailer view are available
for vehicles equipped with atrailer tow
hitch.
When th efunction is active and you shift the
transmission from position Dor Rto N,y ou
see the previous view in the COMAN Ddis-
play. The dynamic guidelines are hidden.
When you change between transmission
positions Dand R,you see the previously
selected front or rea rview. Activation conditions The 360
°camera image can be displ ayed if:
R your vehicle is equip pedw ith the 360°
camera.
R COMAND Online is switched on, see the
separate COMAND Online operating
instruc tions.
R the 360° camera func
tion is activated
Activating th e360° camera using the
SYS but ton X
Press and hold the Wbutton for longer
than 2seconds, see the separate COMAND
Online operatin ginstructions.
Depe nding on whether position Dor Ris
engaged, the following is shown:
R full screen display with the image from
the fron tcamera
R full screen display with the image from
the rear camera.
Activating the 360° camer awith
COMAN DOnline X
Press the Wbutton, see the separate
COMAN DOnline operating instructi ons.
X Select System by turning
cVdthe
COMAND contr ollerand press Wto con-
firm.
X Select 360°camera and press
Wto con-
firm.
Depending on whethe rposition Dor Ris
engaged, the following is shown:
R as plit screen with top view and the
image from the front camera or
R as plit screen with top view and the
image from the reversing camera.
For further information about the COMAND
Controller, see the separat eCOMAN DOnline
operating instructions. Drivin
gsystems
229Drivingand pa rking Z

If
al ane-correctin gbrake ap plication occurs,
display :appears in the multif unctio ndis-
play.
If you leave you rlane under certain circum-
stances, the vehicle wil lbrake briefl yonone
side. Thi sisdesigned to help you brin gthe
vehicle bac kinto the original lane.
Thi sfunction is available in the range between
60 km/h and 200 km/h.
Al ane-correctin gbrake ap plication can only
be made after drivin gover asolid, recognis-
able lane marking. Before this, awarning
must be emitted by means of intermittent
vibration in the steering wheel. In addition, a
lane with lane markings on both sides must
be recognised. The brake applicatio nalso
slightly reduces drivin gspeed.
i Afurther lane-correcting brake applica-
tion can only occur after you rvehicle has
returned to the original lane.
No lane-correcting brak eapplication occurs
if:
R you clear lyand actively steer, brake, or
accelerate.
R you cut the corner on ashar pbend.
R you have switched on the tur nsignal.
R ad riving safety system intervenes ,such as
ESP ®
,P RE-SAFE ®
Brake or Active Blind
Spot Assist.
R you have adopted asporty driving style with
high cornering speed sorhigh rates of
acceler ation.
R ESP ®
is deactivated.
R the transmission is not in position D.R
on vehicles with atrail ertow hitch ,the
electrical con nectio ntot he trailer has been
correctly established.
R the Off -road program is activated (vehicles
without the ON&OFFROAD package).
R Off-road program 1or2isactivate d(vehi-
cle sw ith the ON&OFFROAD package).
R the LOW RANGE off-road gear is activated
(vehicles with the ON&OFFROAD package).
R al oss of tyr epressure or adefectiv etyre
has been detected and displayed.
Active Lane Keeping Assist doe snot detect
roa dand traffic condi tions. An inappropriate
brake application ma ybeinterrupted at any
time if:
R you stee rslightly in the opposite direction.
R you switch on the turn signal.
R you clearly brake or accelerate.
Al ane- correcting bra keapplication is inter-
rupted automatically if:
R ad riving safet ysystem intervenes, such as
ESP ®
,P RE-SAFE ®
Brake or Active Blind
Spot Assist.
R lane markings can no longe rberecognised.
Activating Active Lane Keeping Assist X
Switch on Active Lan eKeeping Assist using
the on-boar dcomputer ;todoso, select
Standard or
Adaptive (Y
page 279).
Symbol :appears in the multifunction
display.
If Standard is selected, no warnin
gvibra-
tion occur sif: Dri
ving systems
247Driving and pa rking Z

R
you have switched on the tur nsignals. In
this event ,the warnings are suppressed
for acertai nperio doft ime.
R ad riving safety syst em intervenes, such
as ABS, BAS or ESP ®
.
If Adaptive is selected, no warning vibra-
tio no ccurs if:
R yo uh aves witched on the turn si gnals.In
thi se vent, th ewarnings ar esuppr essed
for acertai nperio doft ime.
R ad riving safety syst em intervenes, such
as ABS, BAS or ESP ®
.
R yo ua ccelerate hard, e.g .kickdown.
R you brak ehard.
R you steer actively, e.g. swerv etoavoid
an obstacle or cha ngelane quickly.
R you cut the corner on ashar pbend.
Towing atrailer
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. On-road programs (vehicles with the
ON&OFFROAD package)
Genera lnotes The on-road program
ssupport you when driv-
ing on roads and the off-road programs sup-
port you when driving off-road (Y page 253).
The following program messages remain in
the multifunction display until the corre-
sponding vehicle level has been set. Up to off-
road level 2, you can hide the program mes-
sage susing the %ora button on the
multifunc tion steerin gwheel. AUTO program
Select the AUTO program for
amore com-
for table ride under all normal driving condi-
tions.
Your selection remains stored even if you
remove the key from the ignition lock.
X Selecto rwheel : engaged:
brieflypress
selecto rwheel :.
Selector wheel :extends.
X To select: turnselector wheel :until indi-
cator lamp ;comes on.
AUTO indicator =appear sint he multi-
func tion display.
R Highwa ylevel is set.
R AD S(Adaptive Damp ingS ystem) adjusts
the comfort damping characteristics to
the current operating and driving condi-
tions.
R The automatic transmission selects the
automatic drive progra mforac omforta-
ble and efficien tdriving style. 248
Dri
ving systemsDriving and pa rking