2012 MERCEDES-BENZ GL SUV engine

Restrictin
gthe shift range X
Pull th eleft-hand steering wheel gearshift
paddle.
The automatic transmissio nshift sdown
one gear and restric tsthe shift range to the
relevant gear.
i If the engine exceed sthe maximum
engin espeed when shiftin gdown, the auto-
matic transmission protect sagainst engine
damage by not shifting down.
i If the maximum engin espeed for the shift
range is reached and you continue to accel-
erate, the automatic transmission shifts up,
even if the shift range is restricted. This
prevents the engine from overrevving.
Extending the shif trange X
Pul lthe right-hand steering wheel gearshift
paddle.
The shift range is derestricted.
Clearing th eshift rang erestriction X
Pull and hold the right-hand steering wheel
gearshift paddle until Dis shown again in
the multifunction display.
The automatic transmission shifts from the
current shift range directly to D.
or
X Use the DIRECT SELECT lever to shift the
transmission to position D.
The automatic transmission shifts from the
current shift range directly to D.
Selecting the ideal shift range X
Pull the left-hand steering wheel gearshift
paddle and hold it in position.
The automatic transmission shifts to the
gear which allow soptimum acceleration
and deceleration. To do this, the automatic
transmission shifts down one or more
gears. Manua
ldrive program
Activatin gthe manua ldrive program In manual drive program
M,you can change
gear using the steering wheel gearshift pad-
dles if the transmission is in position D.The
curren tdrive progra mand the engaged gear
are shown in the multifunctio ndisplay.
X AMG vehicles: press the program selector
button (Y page 170)until Mappe arsint he
multifunction display.
X Vehicle swith the ON&OFFROAD pack-
age: press the program selector button
(Y page 170).
The letter Mappears in the multifunction
display.
Upshifting (all vehicles except AMG
vehicles) X
Pull the right-han dsteering whee lgearshift
paddle (Y page 171).
The automatic transmission shifts up to the
next gear.
Upshifting (AM Gvehicles) !
In manua lgearshif tprogram M,the auto-
matic transmission does not shift up auto-
matically even when the engin elimiting
speed for the current gear is reached.
When the engine limitin gspeed is reached,
the fuel supply is cut to prevent the engine
from overrevving. You must mak esure that
the engine spee ddoes not reach the red
area of the rev counter .Otherwise, there is
ar isk of engine damage. :
Gear indicator
; Upshift indicator 172
Automa
tict ran smissionDriving and pa rking

Befor
ethe engine speed reaches the red ar ea,
an upshift indicator will be shown in the mul-
tifunction display.
X If the colour in the speedometer multifunc-
tion display changes to red and the UP dis-
play messag eisshown, shift up agear.
Downshifting X
Pull the left-han dsteering wheel gearshift
paddl e(Ypage 171).
The automatic transmission shifts dow nto
the next gear.
Maximu macceleration
X Pull the left-hand steering whee lgears hift
paddle unt ilthe transmission selects the
optimu mgearfor the curr ents peed.
i If yo uslowd ownors topw ithou tshifting
down, the automati ctransmissio nauto-
matically shift sdown.
Kickdown You can also use kickdown for maximum
acceleration in manua
ldrive program M.
X Dep ress the ac celerator pedal beyond the
pressure point.
The transmission shift stoalower gear
depending on the engine speed.
X Shif tback up onc ethe desired speed is
reached.
i All vehicles (excep tAMG vehicles): if
yo ua pply full throttle, the automatic trans-
mission shifts up to the next gear when the
maximum engine speed is reached. This
prevents the engine from overrevving.
i AMG vehicles: it is not possible to use
kickdown in manual drive program M.Deactivating the manua
ldrive program X
AMG vehicles: press the program selector
button (Y page 170) repeatedly until Cor
S appe arsint he multifunction display.
X Vehicle swith the ON&OFFROAD pack-
age: press the program selector button
(Y page 170).
M is no longer shown in the multifunction
display. Automa
tict ran smission
173Driving and pa rking Z

Problems wit
hthe transmission Problem Possible causes/consequences and
M Solutions
Th
et rans mission has
problem sshifting gear. The transmission is losing oil.
X
Hav ethe transmission chec kedataq ualified specialist work-
sho pimmediately. Th
ea cceleratio nability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least ten seconds befor erestar tingthe engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts into secondgear; ifRis
selected, the transmission shifts into reverse gear.
X Have the transmission checked at aqualified specialist work-
sho pimmediately. Refuelling
Important safety notes
G
WARNING
Fue lish ighly flammable. If you handle fuel
incorrectly, there is arisk of fire and explo-
sion.
You must avoid fire, naked flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before
refuelling. G
WARNING
Fuels are poisonous and hazardous to health.
There is adanger of injury.
Do not swallow fuel or let it come into contact
with skin, eyes or clothing. Do not inhale fuel
vapours. Keep fuels out of the reach of chil-
dren. If you or others come into contact with fuel,
observe the following:
R Wash the fuel off any affected areas of skin
with water and soap immediately.
R If you get fuel in your eyes, rinse them thor-
oughly with clean water immediately. Seek
immediate medical attention.
R If fuel is swallowed, seek immediate medi-
cal attention. Do not induce vomiting.
R Change any clothing that has come into
contact with fuel immediately. G
WARNING
Vehicles with adiesel engine:
If you mix diesel fuel with petrol, the flash
point of this fuel mixture is lower than that of
pure diesel fuel. When the engine is running,
components in the exhaust system may over-
heat unnoticed. There is arisk of fire.
Never refuel with petrol. Never add petrol to
diesel fuel. 174
RefuellingDriving and parking

G
WARNING
Electrostati ccharge can lead to the creation
of sparks and to fuel vapours igniting. There
is ar isk of fire and explosion.
Touch the vehicle bodywork just before open-
ing the fuel filler cap. This wil ldischarge a
possible electrostatic charge.
! Do not use petrol to refuel vehicle swith a
diesel engine. Do not use diesel to refu el
vehicles wit hapetrol engine. Do not switch
on the igniti on if youaccidentally refuel
with the wrong fuel. Otherwise, the fuel will
ente rthe fuel system .Even small amounts
of th ewrong fue lcould result in damage to
the fuel system and the engine. The repair
cost sare high .Notif yaq ualified specialist
workshop and have the fuel tan kand fuel
lines draine dcompletely.
! Overfilling the fuel tan kcould damage the
fuel system.
! Take care not to spill any fuel on painted
surfaces .You coul dotherwis edamage the
paintwork.
! Use afilter when adding fuel from afuel
can. The fuel lines and/or the diesel injec-
tion system could otherwis ebeblocked by
particles from the fuel can.
If you overfill the fuel tank ,fuel could spray
out when the fuel pump nozzle is removed.
Further information on fuel and on fuel grades
can be found in the "Fuel" section
(Y page 423). Refuelling
Opening/closing the fuel filler flap :
To open the fuel filler flap
; To insert the fuel filler cap
= Fuel type to be refuelled
? Tyre pressure table
The fuel filler flap is unlocked or locked auto-
matically when you open or close the vehicle
with the key or using KEYLESS-GO.
The position of the fuel filler cap is displayed
8 in the instrument cluster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening X
Switch off the engine.
X Remove the key from the ignition lock.
X KEYLESS-GO: open the driver' sdoor.
This corresponds to key position 0:"key
removed".
The driver's doo rcan be closed again.
X Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap swings up.
X Turn the fuel filler flap anti-clockwise and
remove it.
X Insert the fuel filler cap into the holder
bracket on the inside of filler flap ;.
X Completely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
X Only fill the tank until the pump nozzle
switches off. Refuelling
175Driving and parking Z

Problems wit
hthe fuel and fuel tank Problem Possible causes/consequences and
M Solutions
Fue
lisl eakin gfrom the
vehicle. Th
ef uel line or the fuel tank is faulty.
G WARNING
Risk of explosion or fire.
X Turn the key to position 0in the ignition lock and remove it
immediately (Y page 159).
X Do not restart the engine under any circumstances.
X Consult aqualified specialist workshop. The engine does not
start. The fuel tank of
avehicle with adiesel engine has been run com-
pletely dry.
X Refuel the vehicle with at least 5litres of diesel.
X Turn the ignition on for approximately ten seconds
(Y page 159).
X Start the engin econtinuously for amaximum of ten seconds
until it runs smoothly.
If the engine does not star t:
X Tur nthe igni tion on again for amaximum of ten seconds
(Y page 159).
X Start the engine again continuously for amaximum of ten sec-
onds until it runs smoothly.
If the engine does not star tafter th reea ttempts:
X Consult aqualified specialist workshop. The fuel filler flap can-
not be opened. The fuel filler flap is not unlocked.
or
The key battery is discharged.
X
Unlock the vehicle (Y page 77).
or
X Unlock the vehicle using the emergency key element
(Y page 78). The fuel filler flap is unlocked, but the opening mechanism is jam-
med.
X
Consult aqualified special istworkshop. Refuelling
177Driving and parking Z

AdBlue
®
(BlueTEC vehicles only)
Important notes on use To function properly, BlueTE
Cexhaust gas
aftertreatmen tmust be operate dwitht he
reduc inga gen tAdBlue ®
.
When the supply of AdBlue ®
is almost used
up, the Refill AdBlue See Owner's Man‐
ual message is shown in the multifunction
display.
When the AdBlue ®
supply drops to amini-
mum ,the Refill AdBlue No star tinXXXX km message is show
ninthe multifunc-
tion display.
If the Refill AdBlue No star tinXXXX km message is show
ninthe multifunction dis-
play ,you can still drive the vehicle over the
distance shown. If AdBlue ®
is not topped up,
you will subsequen tlybe unable to start the
engine.R efill the AdBlue ®
tank or have the
AdBlue ®
tank refilled at aqualified specialist
workshop. If the Refill AdBlue Eng. star
tnot possible message appears in
th em ultifunction display and the engine does
not start ,you must top up with at least 3. 8l
of AdBlue ®
(approximately 2AdBlue ®
refill
bottles).
i If you driv ethe vehicle faster than
15 km /h,the Refill AdBlue Se eOwn‐ er's Manual message goes ou
tafter
approximately one minute.
If th eoutside temperature is lower than
Ò11 †, it may be difficult to top up. If
AdBlue ®
is frozen and there is an activ ewarn-
ing indicator, topping up may not be possible.
Park the vehicle in awarm place, e.g. in a
garage, until AdBlue ®
has become liquid
again. Topping up is then possible again.
Alternatively, have the AdBlue ®
tank refilled
at aq ualified specialist workshop.
Further information about BlueTEC exhaust
gas aftertreatment and about AdBlue ®
can
be obtained from any Mercedes-Benz Service
Centre. Importan
tsafety notes on the refilling
procedure AdBlue
®
is aw ater-solubl efluid for the
exhaust gas aftertreatment of diesel engines.
It is:
R not poisonous
R colourless and odourless
R not flammable
When you open the AdBlue ®
container ,small
amounts of ammonia vapou rmay be
released.
Ammonia vapours have apungent odour and
are particularly irritating to the skin, to
mucous membranes and to the eyes. You may
experienc eaburnin gsensation in your eyes,
nose and throat. Coughing and waterin gof
the eyes are possible.
Do not inhale any ammonia vapours that may
be released. Fill the AdBlue ®
tank only in well-
ventilated areas.
AdBlue ®
must not come into contact with
your skin, eyes or clothing and must not be
swallowed .Keep AdBlue ®
away from chil-
dren.
If you or other person scome int ocontact with
AdBlue ®
,o bserv ethe following:
R Rinse AdBlue ®
from your skin immediately
with soap and water.
R If AdBlue ®
comes int ocontact with your
eyes, immediately rinse them thoroughly
with clea nwater. Seek medical attention
immediately.
R If AdBlue ®
has been swallowed, rinse your
mouth out immediately. Drin kplent yof
water .Seek medical attention immedi-
ately.
R Change out of clothing contaminated with
AdBlue ®
immediately.
! Only use AdBlue ®
in accordanc ewith
ISO 22241. Do not mix any additives with
AdBlue ®
,a nd do not dilute AdBlue ®
with
water. Thi smay destroy the BlueTEC
exhaust gas aftertreatmen tsystem. 178
RefuellingDriving and parking

take
noff ag aina fter be ingo nly partially
emptied.
X Releas eAdBlue ®
refil lbottle :.
X Tur nAdBlue ®
refil lbottle :anti-clockwise
and remove it.
X Screw the protective cap onto AdBlue ®
refill bottle :again.
AdBlue ®
refill bottles can be obtained at many
fil ling stations or at aMercedes-Benz Ser vice
Centre. Refil lbottles withou tathreaded seal
offer no protection agains toverfilling.
AdBlue ®
may leak ou tasaresult of overfilling.
Mercedes Ben zoffers special refi llbottles
with athrea deds eal. Thes eare avail able at
any Mercedes-Benz Service Centre.
Closin gthe AdBlue ®
fil lerc ap X
Fit AdBl ue®
filler cap ;on th efiller neck
and turn it clockwise.
X To close the fuel filler flap, press it in the
direction of arrow :.
X Driv efaster than 15 km/h.
The Refill AdBlue Se eOwner' sMan‐ ual message goes ou
tafter approximately
one minute.
i If the Refill AdBlue See Owner's Manual message continues to be show
nin
the multifunctio ndisplay, you must top up
with mor eAdBlue ®
. Parking
Important safety notes
G
WAR
NING
If flammable materials such as leaves ,grass
or twigs are exposed to prolo nged contac tto
part soft he exhaust system that heat up, they
coul dignite. There is arisk of fire.
Park the vehicle so that no flammable mate-
rials come int ocontac twith parts of the vehi-
cle which are hot. Take particular care not to
park on dry grassland or harvested grain
fields. G
WARNING
If you switch off the ignition while driving,
safety-relevan tfunctions are only available
with lim itations, or not at all .This coul daffect,
for example, the powe rsteering and the brake
boosting effect .You will require considerably
mor eeffort to steer and brake. There is arisk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's equip-
ment .There is arisk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unsupervised in the vehicle.
! Am ovin gvehicle can lead to damage to
the vehicle or damage to the driv etrain. Parking
181Driving and parking Z

To ensur
ethat the vehicle is secured against
rolling away unintentionally:
R the electric parkin gbrake mus tbea pplied
R the tra nsmission must be in position Pand
the key must be remove dfrom th eignition
lock
R on steep uphill or downhil lgradients ,turn
the fron twheels towards the kerb
R on steep uphill or downhill gradients, the
front axl eofane mpty vehicl emust be
secured, for example with awheel chock
R on steep uphill or downhill gradients, the
rea raxle of aladen vehicle must be addi-
tionally secured, for example with awheel
choc k. Switching of
fthe engine
Important safety notes G
WARNING
Th ea utomatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away .There is arisk of
an accident.
After switching off the engine, always switch
to parking position P.Prevent th eparked vehi-
cle from rolling awa ybyapplying the parking
brake.
Usin gthe key X
Engag ethe electric parkin gbrake.
X Shift th etransmission to position P.
X Turn th ekey to position 0in the igniti on
lock and remov eit.
The immobilise risactivated.
i If you switch the engine off with the trans-
mission in position Ror D,t he automatic
transmission shift stoNautomatically.
If you then open one of the front doors or
remove the key from the ignition, the auto-
matic transmission shifts to P.
If you shift the automatic transmission to
N before switching off the engine, the auto- matic transmission remains in
Neven if a
door is opened.
Usin gKEYLESS-GO X
Engage the electric parking brake.
X Shift the transmission to position P.
X Press the Start/Stop button (Y page 159).
The engine stops and all the indicator
lamps in the instrument cluster go out.
i If you use the Start/Stop button to switch
off the engine, the automatic transmission
shifts to Nautomatically. If you then open
one of the front doors, the automatic trans-
mission shifts to P.
i The engine can be switched off while the
vehicle is in motion by pressing and holding
the Start/Stop button for abou tthree sec-
onds. This func tion operates independently
of the ECO start/stop automatic engine
switch-of ffunction. Electric parking brake
General notes G
WARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R startin gthe engine.
They coul dalso operate the vehicle's equip-
ment. There is arisk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unsupervised in the vehicle.
i The electric parking brake carries out a
func tion chec katregular interval swhen
the engin eisswitched off. Noises that
occur are normal. 182
ParkingDriving and parking