suspension MERCEDES-BENZ GL SUV 2012 Owners Manual

R
you depress the brak epedal again wit ha
certain amount of pressure until ëdis-
appears from themultifun ctiondisplay.
R you secur ethe vehi cleu sing the elec tric
parking brake.
R you activat eDISTRONIC PLU S.
i After atime, the electric parking brake
secures the vehicle and relieves the service
brake.
The electric parking brak esecures the vehicle
automatically if the HOL Dfunction is activa-
ted and:
R the driver' sdoor is open and the driver's
seat belt is unfastened.
R the engin eisswitched off, unless it is auto-
matically switched off by the ECO start/
stop function.
R as ystem fault occurs.
R the powe rsupply is not sufficient.
On steep uphill or downhill inclines or if there
is am alfunction, the transmissio nmay also
be automatically shifted int oposition P. AIRMATIC package
Genera lnotes AIRMATI
Cenable sasuspension tuning set-
ting to be selected and regulates the damping
behaviour and level of your vehicle. The sys-
tem comprises aminimum of two compo-
nents. These are AD S(Adaptive Damp ingS ys-
tem) (Y page 212) and level control
(Y page 213) .Your vehicle ma yalso be equip-
ped with the Active Curv eSystem
(Y page 213).
Observe the notes on driving with atrailer
(Y page 257).
ADS (Adaptive Damping System) General notes
ADS adapts th
edamping characteristic sto
the curren toperatin gand driving situation. Thi
sd epends on:
R your drivin gstyle
R the road surface conditions
R the AD Ssetting
R the vehicle level setting
Your selection remains stored even if you
remov ethe key from the igni tion lock.
Sports tuning Example: vehicles wit
hthe ON&OFFROA Dpackage
X Start the engine.
X Press button :.
Indicator lamp ;ligh tsup. You have sele c-
ted "Sport stuning". The vehicle is lowered
by 15 mm.
The firmer suspension tuning in Spor tmode
ensures even bette rcontac twith th eroad.
Select this mode when empl oyingasporty
driving style, e.g .onwindingcountr yroads.
Comfor ttun ing
X Press button :.
Indicator lamp =light sup. You have selec-
ted "Comfor ttuning". The vehicle is raised
by 15 mm.
In com fort mode, the dri ving characteristics
of your vehicl eare more comfortable. There-
fore, select this mode if you prefer amore
comfortable drivin gstyle. Select comfort
mode also when driving fast on straigh troads,
e.g. on straight stretches of motorway. 212
Driving systemsDriving and pa
rking

If yo
upressthe % ora button on the
multifunction steering wheel, the messa ge
wil ldisappear.
Once highway level has been reached, indi-
cator lamp ;goes out. The beinglow‐ ered messa
gedisappears from the multi-
function display.
The vehicle autom atically adjusts to highway
level when you:
R drive faster than 80 km/ hor
R driv eatas peed between 65 km/ hand
80 km/h for approximatel y20seconds.
Dependin gonthe ADS setting selected
(Y page 212), the vehicle is lowered to high-
speed level at high speeds. AM
GR IDE CONTROL sports suspen-
sion
Vehicl elevel The vehicle automatically sets the vehicle
level at the rear axle. Rea raxle level control
ensures the best poss iblesuspension and
that the ground clearanc eremains const ant
even when the vehicle is loaded .This
improves drivin gsafety and fuel consump-
tion.
Suspensio ntuning General notes
Th
ee lectronically controlled damping system
works continuously. This improves driving
safety and ride comfort.
The damping is tuned individually to each
wheel and depends on:
R your drivin gstyle, e.g. sporty
R the road surface conditio n,e.g .bum ps
R your individual selection of Sport, Sport +
or Comfort
If you select Sport or Sport +mode and
restar tthe engine, the suspension setting
revert stoComfort mode. Spor
tmode The firmer suspension tuning in Sport mode
ensures even better contact with the road.
Select this mode when employing
asporty
driving style, e.g. on windin gcountry roads.
X Press the :button once.
Indica torlamp ;lights up. You have selec-
ted Sport mode.
The AMGR ide Control SPORT message
appears in th emultifunction display.
Sport +mode
The very firm settin gofthe suspension tuning
in Spor t+mode ensures the best possible
con tact with the road .Select this mode only
when driving on rac ecircuits.
If indicator lamps =and ;are off:
X Press button :twice.
Indicator lamps =and ;light up. You
have selected Sport +mode.
The AMG Ride Control SPORT + message
appear sint he multifunc tion display.
If indicator lamp ;lights up:
X Press the :button once.
Secon dindicato rlamp =lights up. You
have selected Sport +mode.
The AMG Ride Control SPORT + message
appear sint he multifunc tion display.
Comfort mode
In comfor tmode, the drivin gcharacteristics
of your vehicle ar emore comfortable .There-
fore, selec tthis mode if you prefer amore Driving systems
215Driving and parking Z

Avoi
dusing the ful loutpu toft he engin edur-
ing this time.
SETUP :
Drive program (C /S /M )
; ESP ®
mode (ON /OFF )
= Suspension tuning (COMFORT /SPORT /
SPORT+ )
SETUP shows the drive program, the ESP ®
(Electronic Stability Program) mode and the
suspensio ntuning.
X Press the =or; button on the steer-
ing wheel to select the AMG menu.
X Press the 9button repeatedly until
SETUP is displayed.
RACETIMER Displaying and starting the RACETIMER
G
WARNING
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving is permitted. Racing on publi croads is
prohibited under all circumstances. The driver
is and must always remain responsible for fol-
lowin gposted speed limits. :
Lap
; RACETIMER You can star
tthe RACETIME Rwhen the
engin eisrunnin gorift he key is in position
2 in the ignition lock.
X Press the =or; button on the steer-
ing wheel to selec tthe AMG menu.
X Press the 9button repeatedly until the
RACETIME Risshown.
X To sta rt:press the abutton to start the
RACETIMER.
Displaying the intermediate time X
Press the =or; button to select
Interm .Time .
X Press ato confirm.
Th eintermediate time is displayed for five
seconds.
Starting anew lap :
RACETIMER
; Fastest lap time (best lap)
= Lap
X Press ato confirm NewL ap .
i It is possible to store amaximum of six-
teen laps. Lap 16 can only be stopped with
Finish Lap .Menus and submenus
287On-board computer and displays Z

Usefu
linfor mati on
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variation sare pos-
sible. Note that your vehicl emay not be
equippe dwith all of the function sdescri-
bed. This is also the case for system sand
functions relevant to safety.
i Read the information on qualified special-
ist workshops: (Y page25). Impo
rtantsafety notes G
WARNING
If wheels and tyres of the wron gsize are used,
the wheel brakes or suspension components
may be damaged. There is arisk of accident.
Always replac ewheels and tyr es with those
that fulfil th especifications of the original part
(designation ,manufacturer, model). G
WARNING
Af lat tyre severely impair sthe driving, steer-
ing and bra king characteristics of the vehicle.
There is arisk of accident.
Tyres withou trun-flat characteristics:
R do not drive with aflat tyre.
R immediately replac ethe fla ttyre with your
emergenc yspare wheel or spare wheel, or
consult aqualified specialist workshop.
Tyres with run-flat characteristics:
R pay attention to the information and warn-
ing notices on MOExtended tyre s(tyres
with run-flat charac teristics).
Accessorie sthat ar enot approved for your
vehicle by Mercedes-Ben zorare not be ing
use dcorrectly can impair the operating
safety. Before purchasing and using non-approved
accessories, visi
taqualified specialist work-
sho pand enquire about:
R suitability
R leg alstipulations
R factory recommendations
Information on the dimensions and types of
wheels and tyres for your vehicle can be
found in the "Wheel/tyre combinations" sec-
tion (Y page 409).
Information on air pressure for the tyres on
your vehicle can be found:
R on the tyre pressure label on the fuel filler
flap (Y page 175)
R in the "Tyre pressure" section
R under "Tyre pressure" (Y page 399)
Modification work on the brake system and
wheels is not permitted. The use of wheel
spacers or brake dust shields is not permit-
ted. This invalidates the general operating
permit for the vehicle.
i Further information on wheels and tyres
can be obtained at any qualified specialist
workshop. Operation
Information on driving
Check the tyre pressures when the vehicle is
heavily laden and, if necessary, adjust.
While driving, pay attention to vibrations,
noises and unusual handling charac teristics,
e.g .pulling to one side .This ma yindicate that
the wheels or tyres are damaged. If you sus-
pect that atyre is defective, reduce your
speed immediately. Stop the vehicle as soon
as possibl etocheckthe wheels and tyres for
damage. Hidden tyr edamage could also be
causing the unusual handling characteristics.
If you find no signs of damage, have the tyres
and wheel schecked at aqualified specialist
workshop.
When parking your vehicle, make sure that
the tyres do not get deformed by the kerb or 396
OperationWheels and tyres

Country Radio type approval number
Brazil 1489-10-4415
Dubai TRA, Registered NO
0016161/08
TRA, Registered NO
0016162/08
Morocco MR5527 ANRT 2010
/27. April
2010
MR5526 ANRT 2010/ 27. April
2010 Ph
ilip-
pines ESD-1105558C
Singa-
pore Compliance with IDA Standard
N0140-09
South
Africa TA-2008/1068
TA-2008/1069
Changing
awheel Flat tyre
Yo uc an find information on wha ttodointhe
even tofa flat tyre in th e"Breakdown assis-
tance" sectio n(Ypage 378). Instruction sfor
drivin gwith MOExtended tyres in the event of
af lat tyre are also provided there.
Vehicles with an emergency spare
wheel: in the event of aflat tyre, the emer-
gency spare wheel is fitted according to the
description under "Fittin gawheel"
(Y page 405). Inte
rchangin gthe wheels G
WARNING
Interchanging the front and rear wheel smay
severely impair the driving characteristic sif
the wheels or tyres have differen tdimensions.
The wheel brakes or suspension componen ts
may als obedamaged. There is arisk of acci-
dent. Interchange front and rear wheels only if the
wheels and tyre
sare of th esame dimensions.
! On vehicles fitted with atyre pressure
monitor ,electronic componen tsare loca-
ted in the wheel.
Tyre-fittin gtools should not be applied in
the area of the valve, as this coul ddamage
the electronic components.
Only have tyre schanged at aqualified spe-
cialist workshop.
Interchanging the front and rear wheel sof
diff ering dimension scan render the general
operating permit invalid.
Obse rvet he instructions and safet ynotes in
the "Fi ttin gaw heel" section (Y page 405).
The wear pattern sonthe fr ont an drear tyr es
diff er,depending on the operating conditions.
Interchange the wheels befor eaclear wear
pattern ha sform edon the tyr es.F ront tyres
typicall ywearm ore on the shoulder sand the
rea rtyre sint he centre.
On vehicles that have the same size front and
rear wheels, you can interchange the wheels
every 5000k mto10,000 km depending on
the degre eoftyre wear. Maintain the direc-
tion of tyre rotation.
Clea nthe con tact surface softhe wheel and
the brake disc thoroughly ever ytime awheel
is interchanged. Chec kthe tyr epressure and,
if necessary, restart th etyre pressure loss
warning syste morthe tyrepressure monitor. Directio
nofrotation
Tyres with aspecified direction of rotation
have additional benefits, e.g. if there is arisk
of aquaplaning. You will only gain these ben-
efits if the correct direction of rotation is
observed.
An arrow on the sidewall of the tyre indicates
its correct direction of rotation. 404
Changing
awheelWheels and tyres

Vehicl
edata General notes
Please not ethat for the specified vehicle
data:
R the heights specified may vary as aresult
of:
- tyres
- load
- condition of the suspension
- optiona lequipment
R item sofo ptional equipmen tincrease the
unlade nweight and reduc ethe maximum
payload. The unladen weight is specifie din
accordanc ewith EC directiv eand includes:
- driver (68 kg)
- luggage (7 kg)
- all fluids (fuel tank 90% full)
R vehicle-specific weight information can be
found on the vehicl eidentification plate
(Y page 422).
R only for cer tain countries: you can find vehi-
cle-specific vehicle data in the COC docu-
ment s(CERTIFICATE OF CONFORMITY).
Thes edocument sare delivere dwith your
vehicle. Dimensions and weights : Open-
ing height ;
Maximum
headroom Models with-
out ON&OFF-
ROAD pack-
age
213
2mm–
2207 mm 1934 mm –
2009 mm Model
swith
ON&OFF-
ROAD pack-
age 2132 mm –
2237 mm 1934 mm –
2039 mm AMG vehicles
2146 mm –
2200 mm 1949 mm –
2002 mm Missing values were not available at the time
of going to print.
All models (except AMG
vehicles)
Vehicle length
5120 mm
Vehicle width including
exterior mirrors
2141 mm
Vehicle width excluding
exterior mirrors
1934 mm
Maximu
mvehicle height 1910 mm
Maximu
mvehicle height
(ON&OFFROAD package) 1940 mm
Minimum vehicle height
(highway driving level)
1850 mm
Wheelbase
3075 mm
Maximu
mground clear-
ance 27
6mm Maximum gro
undc lear-
ance (ON&OFFROAD
packa ge) 306 mm
Mi
nimum ground clea r-
ance 20
1mm Vehicl
edata
431Technical data Z