2011 MERCEDES-BENZ M-CLASS SUV Owners Manual

Problems wit
hthe auxiliary heating/ventilation Display messages Possible causes/consequences and
M Solutions
$
FAIL Th
es ignal transmission between the transmitter and the vehicle
is faulty.
X Change your position in relation to the vehicle, movin gcloser if
necessary.
X Make another attempt to switch the auxiliary heating on or off
using the remote control. FAIL
© This display message will only appear if you attempt to activate
the auxiliary heating.
There is not enough fuel in the fuel tank ,orthe auxiliary heating
is faulty.
X Refuel at the nearest filling station.
X Make another attemp ttos witch on the auxiliary heating using
the remote control.
X Have the auxiliary heating checked at aqualified specialist
workshop. FAIL This display messag
emay appear if you attempt to activate the
auxiliary heating or during astatus query.
If the auxiliary heating doe snot switc honorh as switched off while
running, this has occurred due to one of the following reasons:
R the auxiliary heating was started more than twice when the
engine was switched off.
R the starter battery is not sufficiently charged.
R there is too little fuel in the fuel tank.
R the auxiliary heating is faulty.
If the auxiliary heating was switched on more than twice:
X Switch on the engine and let it run for more than 10 seconds.
X Make another attempt to switch on the auxiliary heating using
the remote control.
If the starter battery is not sufficiently charged:
X Charge the starter battery.
X Make another attempt to switch on the auxiliary heating using
the remote control.
If there is not enough fuel:
X Refuel at the nearest filling station.
X Make another attempt to switch on the auxiliary heating using
the remote control. 134
Operating the climate control systemClimate control

Displa
ymessages Possible causes/consequences and
M Solutions
If th
eauxiliar yheating is faulty:
X Hav ethe auxil iaryh eatin gchecked at aqualified specialist
workshop. Adjusting th
eair vents Important safet
ynotes G
WARNING
Ver yhot or ver ycold ai rcan flo wfromt he air
vents. This coul dcause burns or frostbite to
bare skin in the immediate vicinity of the
vents. Keep bare skin away from these air
outlets. If necessary, direct the airflow away
to ad ifferent area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vent sinto the vehicl einterior,
please observe the following notes:
R keep the air inlet grill eonthe bonnet and
in the engin ecompartmen tonthe front-
passenger side free of blockages, such as
ice, snow or leaves.
R never cover the ven tsor ven tilation grilles
in the vehicle interior.
i For virtually draught-free ventilation,
adjust the sliders of the air vent stothe
cen treposition. Setting the centre air vents
:
Centr eair vent ,left
; Centre air ven t, right =
Centre ven tthumbwheel, right
? Centre ven tthumbwheel, left
X To open/close: turnthumbwheels =
and ?to the right or left. Setting th
eside air vents X
To open/close: turnthumbwheel =up or
down. Setting th
eglove compartment air
vent
When automatic climate control is activated,
the glove compartmen tcan be cooled, for
instance to cool its con tents.The level of air-
flo wd epends on the airflow and air distribu-
tion settings.
At high outside temperatures, open the air
ven tand activate the "cooling with air dehu-
midification" function.
! Clos ethe air ven tifyou do not wish to
cool the glove compartmen toryou have
not switched on coolin gwith air dehumidi-
fication. Adjusting the air vents
135Climate control Z

Moisture-sensitive item
sstored in the
glove compartmen tcould otherwise be
damaged. :
Air ven tthumbwheel
; Air vent
X To open: turnthumbwheel :anti-cloc k-
wise.
X To close: turn thumbwheel :clockwise. Setting the rear-compartment air
vents
Setting the centre vents in the rear com-
partment Centre vent
sinthe rea rcompart ment with rear
control panel (example)
: Rear-compartment air vent thumbwheel
; Rear-compartment air vent, right
= Rear control panel
? Rear-compartment air vent, left
X To open/close: turn thumbwheel :up or
down. Setting the rear-compartment side air
vents Thes
erear-compartmen tside air vents are
only available if you have THERMOTRONIC
automatic climate control. :
Rear-compartment side air vent
; Thumbwheel for rear -compar tment side
air vent
X To open/close: turnthumbwheel ;to the
lef torr ight. 136
Adjusting the air ventsClimate control

Usefu
linfor mation ............................ 138
Running-in notes ............................... 138
Driving ............................................... 138
Automati ctran smission ................... 145
Refuelling ........................................... 152
Parking ............................................... 160
Driving tips ........................................ 162
Driving systems ................................ 170
Off-road driving systems ..................220
Towing atrailer ................................. 226 137Driving
and parking

Usefu
linfor mati on
i This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviation sare possible .Please
not ethat your vehicle ma ynot be equipped
with all featur es described. This also
applies to safety-releva ntsystems and
functions.
i Please read the information on qualified
specialist workshops (Y page 24).Running-i
nnotes Important safet
ynotes G
WARNING
New brake pads/lining sonlyh aveo ptimal
braking performanc eafter se veral hu ndred
kilometres. Until then ,compensate for this by
applying greater force to the brake pedal. This
also applies whe nbrake pads/linings or
brak ediscs have been changed. The first 1,500 km
The more you look after the engine when it is
new, the more satisfied you will be with its
performanc einthe future.
R Therefore, drive at varying speeds and
engin espeeds for the first 1,500 km.
R Avoi dheavy loads on the engine during this
period, e.g. driving at ful lthrottle.
R Change gear in good time, at the latest
when the rev counter needl eis2
/ 3 of the
way to the red area in the rev coun terd is-
play.
R Do not manually shift to alower gear to
brake the vehicle. R
If possible, do not depress the accelerator
pedal past the point of resistanc e(kick-
down).
R Only select shift ranges 3,2or 1whe ndriv-
ing slowly, e.g .inmountainou sterrain.
Af ter1 ,50 0km, yo umay gradually bring the
vehicle up to full road and engine speeds.
i You should also observe these notes on
runnin ginift he engin eorparts of the drive
train on your vehicle have been replaced. Driving
Important safety notes
G
WARNING
Do not keep any object sinthe driver's foot-
well. If you use afloormat or carpet in the
driver's footwell, make sure that they are cor-
rectly secured and that there is sufficient
clearance for the pedals.
Do not place several floormats on top of one
another.
The object sorfloormats could otherwise get
between the pedals in the event of sudden
braking or acceleration. You may then no lon-
ger be able to brake or accelerate as intended.
This may result in an accident and injury. G
WARNING
Do not change down for additional engine
braking on aslippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid. This could cause you
to lose control of your vehicle and cause an
accident.
! Warm up the engine quickly. Do not use
the engine's full performanc euntil it has
reache doperating temperature.
Only set the automatic transmission to the
respective driv eposition swhen the vehicle
is stationary.
Where possible, avoid spinnin gthe drive
wheels when pulling away on slippery 138
DrivingDriving and parking

roa
ds. Othe rwise,you could dam aget he
drive train. Key positions
Key g
To remove the key
1 Power supply for some consumers, such
as the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position
3 To start the engine
i If the key does not belong to the vehicle,
it can still be turned in the ignition lock.
However ,the igni tion will not be switched
on The engin ecannot be started.
KEYLESS-GO Genera
lnotes
Vehicles with KEYLESS-GO are equipped with
ak ey featuri ngan integrated KEYLESS-GO
function and adetachable Start /Stopbutton.
The Start/Stop button must be inserted in the
ignition lock and the KEYLESS-GO key must
be in the vehicle.
Pressi ngthe Start/Stop button several times
in successio ncorresponds to the different
key position sinthe igni tion lock .This is only
the case if you ar enot depressing the brake
pedal.
If you depress the brake pedal and press the
Start/S topb utton, the engine starts immedi-
ately. X
Position 0:ifStart/Stop button :has not
yet bee npressed, this correspond stothe
key being removed from the ignition.
X Position 1:pressStart/Stop button :
once.
You can now activate the windscreen wip-
ers, for example.
i If you press Start/Stop button :twice
when in this position, the powe rsupply is
deactivated again.
X Position 2(ignition): press Start/Stop but-
ton :twice.
i If you press Start/Stop button :once
when in this position and the driver' sdoor
is open, the power supply is deactivated
again.
Removing th eStart/Stop button
You can remove the Start/Stop butto nfrom
th ei gnition lock and star tthe vehicle as nor-
ma lusing the key.
i You do not hav etoremov ethe Star t/Stop
butto nfrom th eignition lock when you
leav ethe vehicle.
i It is only possible to switc hbetween KEY-
LE SS -GO mode and key operation whe nthe
transmission is in position P. Driving
139Drivingand park ing Z

X
Remov eStart/Stop button :from ig nition
lock ;.
i When you insert Star t/Stopbutton:
int oignition lock ;,thesystem needs
approximately two seconds recognition
time before you ca nuse Star t/Stop but-
ton :. Startin
gthe engine
Important safety notes G
WARNING
Never leav ethe engin erunnin ginenclosed
spaces. The exhaust gase scontai ncarbon
monoxide. Inhalin gexhaust fumes consti-
tutes ahealt hhazard and could lead to loss
of consciousness or eve ndeath.
i Vehicles with apetrol engine: the cata-
lytic conver terp reheats for up to 30 sec-
ond safter acold star t.The sound of the
engin emay change during this time.
Automatic transmission X
Shift the transmission to position P.
The transmission position displ ay inthe
multifunction displa yshows P
(Y page 146).
i You can also star tthe engin ewhen the
transmission is in position N.Sta
rting procedur ewith the key X
To star tapetrol engine: turn the key to
position 3in the ignition lock
(Y page 139 )and releas eita ss oon as the
engin eisrunning.
X To star tadiesel engine: turn the key to
position 2in the ignition lock
(Y page 13 9).
The % preglow indicator lam pinthe
instrumen tcluster lights up.
X When the %preglow indicator lamp
goes out, tur nthe key to position 3
(Y page 139) and release it as soon as the
engin eisrunning.
i You can start the engine without preglow
if the engine is warm.
i You can also use the touch-star tfunction.
To do this, turn the key to position 3
(Y page 139 )and releas eitimmediately.
Th ee ngine then starts automatically.
Using KEYLESS-GO to start the engine G
WARNING
You rvehicle can be star tedu sing avalid KEY-
LESS-GO key. For this reason, children should
never be left unsupervised in the vehicle.
Always take the key with you when leaving the
vehicle, even if you are only leaving it for a
short time.
i The Start/Stop button can be used to
start the vehicle without inserting the key
into the ignition lock. The key must be in
the vehicle and the Start/Stop button must
be inserted in the ignition lock. This mode
for starting the engine operates independ-
ently of the ECO start/stop automatic
engine start function. 140
DrivingDrivin
gand parking

X
Depres sthe brake peda land kee pit
depressed.
X To star tapetrol engine: press the Start/
Stop button (Y page 139) once.
The engin estarts.
X To start adiesel engine: press the Start/
Stop button (Y page 139)once.
Preglow is activated and the engin estarts. Pulling away
Automatic transmission i
It is only possible to shift the transmission
from position Pto the desired position if
you depress the brake pedal. Only then is
the parkin glock released. If the brake
pedal is not depressed, the DIREC TSELE CT
lever can still be move dbut the parking lock
remains engaged.
X Depress the brak epedal and keep it
depressed.
X Shift th etransmissio ntoposition Dor R
(Y page 145).
X Releas ethe brak epedal.
X Carefully depress th eaccele rator pedal.
The electric parki ngbrak e(Ypage 16 1)is
automatically released.
The red !indicator lamp in the instru-
ment cluster goes out.
i The vehicle locks centrally onc eyou have
pulled away .The lockin gknobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivat ethe automatic lock-
ing featur e(Ypage 24 9).
i Upshif tstake place at higher engine
speeds after acold star t.This helps the
catalytic converter to reach its operating
temperature mor equickly. Pullin
gaway with atrailer To ensure that you do not roll backwards
when pulling away on an uphill slope, engage
the electric parking brake. X
Press and hol dhandle :.
The electric parking brake continues to
brake and prevent the vehicle from rolling
backwards.
The red !indicator lamp in the instru-
ment cluster remains on.
X Depress the accelerator pedal.
X As soon as the vehicle/trailer combination
is held by the driving force of the engine,
release lever :.
The electric parking brake is released.
The red !indicator lamp in the instru-
ment cluster goes out.
Hill star tassist Hill star
tassist helps you when pulling away
forwards or in reverse on an uphil lgradient.
It hold sthe vehicle for ashort tim eafter you
have removed you rfoot from the brake pedal.
This gives you enough tim etomove your foot
from the brake pedal to the accelerator pedal
and depress it befor ethe vehicle begin sto
roll. G
WARNING
Neve rleave the vehicle when it is held by hill
star tassist. Af tera pproximately one second,
hill start assist will no longer brak eyour vehi-
cle and it coul droll away. Driving
141Drivingand parking Z