key MERCEDES-BENZ M-CLASS SUV 2011 User Guide

the dashboard and on both side
softhe sun
visor on the fr ont-passenge rside.
Information about recommended child
restraint system sisavailabl eatany
Mercedes-Ben zServic eCentre.
Automatic child seat recognition on the
front-passenger seat If your vehicle does not have automatic child
seat recognition 1
on the fron t-passenger
seat, this is indicated by aspecial sticker .The
stic kerisa ffixe dtot he side of the dashboard
on the front-passenger side. The stic keris
visible when yo uopen the front-passenger
door. The front-passenger seat sensor system for
child restraint systems detect swhether a
special Mercedes-Ben zchild seat with a
transpo nder for automatic child seat recog-
nition has been fitted. In this case, 4
PASSENGER AIRBA GOFF indicato rlamp : lights up. The front-passenger front airbag is
disabled. G
WARNING
If the 4 PASSENGER AIRBAG OFF indica-
tor lamp does not light up when the child
restraint system is fitted, the front-passenger
airbag has not been disabled. If the front-
passenger airbag deploys, the child could be
seriously or even fatally injured.
Proceed as follows:
R do not use arearward-facing child restraint
system on the front-passenger seat.
R fit arearward-facing child restraint system
on asuitable rear seat.
or
R only use aforward-facing child restraint
system on the front-passenger seat and
mov ethe front-passenger seat to the rear-
most position.
R hav ethe automatic chil dseat recognition
checked at aqualified specialist workshop.
To ensure that the automatic child seat rec-
ognitio nonthe front-passenger seat func-
tions/communicates correc tly, never place
objects, e.g. acushion, under the child
restraint system. The entire base of the child
restraint system must always rest on the seat
cushion. An incorrectly fitted child restraint
system cannot perform its intended protec-
tive function in the event of an accident, and
could lead to injuries.
i If the front-passenger front airbag is dis-
abled by the automatic child seat recogni-
tion, the following remain enabled on the
front-passenger side:
R the sidebag
R the windowb ag
R the belt tensio ner
1 Vehicles withou tautomatic child seat recognition on the front-passenger seat: if you turn the key to position
2int he ignition lock ,the 4 PASSENGER AIRBAG OFF indicator lamp lights up briefly but has no function.
It does not indicate that there is automatic child seat recognition on the front-passenger seat. 52
Childre
ninthe vehic leSafety

G
WARNING
Do not pl acee lectronic devices on the front-
passenger seat, e.g.:
R laptops, when switched on
R mobil ephones
R cards with transponders, e.g. ski passes or
access cards
Signals from electronic equipment can cau se
interference in the automatic child seat rec-
ognitio nsensor system. This can lead to a
system malfunc tion. This may cause the
4 PASSENGER AIRBA GOFF indicator
lamp to light up without there being achild
seat with transponder sfor automatic child
seat recognition fit ted. The front-passenger
airba gwill not then deploy during an accident.
It is also possible that the 6SRS warning
lamp lights up and/or the 4PASSENGER
AIRB AGOFF indicator lam pdoes not light up
briefly when you tur nthe key in the ignition
lock to position 2.
ISOFIX child seat securing system for
th er ear seats ISOFIX is
astandardised securing syste mfor
specially designed child restraint system son
the rear seats .Securin grings for two ISOFIX
child restraint systems are fitted on the left
and right of the rear seats. G
WAR
NING
Ac hild restraint system secured by the ISOFIX
chil dseat securing system does not provide
sufficien tprotection for children weighing
more than 22 kg. For this reason, do not
secure children weighing more than 22 kg in
ac hild restraint system secured by the ISOFIX
chil dseat securing system. If the child weighs
mor ethan 22 kg, secur ethe chil drestraint
system using athree-point seat belt. G
WARNING
The chil drestraint system cannot perform its
protec tive function if it is not correctly fitted
to as uitable vehicle seat. The child cannot be restrained in the event of an accident, heavy
braking or sudde
nchanges of direction. The
chil dcould be seriously or even fatally injured.
For this reason, when fittin gachild restraint
system ,observ ethe manufacturer' sinstalla-
tion instructions and the correct use of the
child restraint system.
For reasons of safety, only use child restraint
systems with the ISOFIX child sea tsecuring
system on the rear seats.
We recommen dthat you use the ISOFI Xchild
restraint system sthat hav ebeen recommen-
ded for Mercedes-Benz.
An incorrectly fitted child restraint system
could com eloose and seriously or even fatally
injure the child or other vehicle occupants.
When fittin gthe chil drestraint system, always
mak esure that it is engage dcorrectly in the
securing rings on both sides. G
WARNING
Please note that if child restraint systems, or
their retaining systems, are damaged or sub-
jected to aload in an accident ,they ma ynot
be able to provide their protective function.
This coul dresult in serious or even fatal inju-
ries to the secured child in the event of an
accident, heavy braking or asudden change
in direction.
For this reason, have child restraint systems
and their anchorages which have been dam-
aged or subjected to aload in an accident
chec kedi mmediatel yataq ualified specialist
workshop.
! Whe nfittin gthe chil drestraint system,
mak esure that the seat belt for the centre
seat does not get trapped. Otherwise, the
seat belt could be damaged. Children in the vehic
le
53Safet y Z

Problems wit
hchilds eat recognition Problem Possible causes/consequences and
M Solutions
The
4 PASSENGER
AIRB AGOFF indicator
lam ponthe cen trecon-
sole is lit. As
pecial Mercedes-Benz child seat with atransponde rfor auto-
matic child seat recognition has been fit tedtot he front-passenger
seat. The front-passenger airbag has therefor ebeen disabled as
desired. The
4 PASSENGER
AIRBAG OFF indicator
lam ponthe centr econ-
sole is lit.
or
SRS warnin glamp
6 lights up and/or
the 4 PASSENGER
AIRBAG OFF indicator
lamp does not light up
briefly when you switch
the ignition on. G
Risk of injury
There is no child seat fitted to the front-passenger seat. Automatic
child seat recognition is malfunctioning.
X Remove electronic equipment from the front-passenger seat,
e.g.
R
laptop
R mobile phone
R cards with transponde rs,s uch as ski passes or access cards
If the 4 PASSENGER AIRBAG OFF indicator lamp is still lit:
X Visit aqualified specialist workshop. Suitable positioning of the child restraint systems
Key to the letter
sused in the table:
XS eat which is unsuitable for children in this weight category.
US uitable for child rest raint systems in th eUnivers al categor ythat ar eapprove dfor use in
this weigh tcategory.
UF Suitable for forward-facing child rest raint systems that belon gtothe "Universal" categ ory
and ar eapproved for use in this weigh tcategory.
LS uitable for child rest raint systems as recommended, see th efollowin gtable of "Recom-
mended child restraint systems "(Ypage 58). 56
Children in th
evehicleSafety

Seat positions
Weigh
tcatego-
ries Front-passenger seat Rear seat
Front-
passenger air-
bag is no
tdisa-
bled: The front-
passenger air-
bag is disa-
bled
2 Left
,right Centre
Grou
p0:upto
10 kg X U, L U U
Group 0+: up
to 13 kg
X U, L U U
Group I:
9to
18 kg UF U, L U U
Group II: 15 to
25 kg UF U, L U U
Group III: 22 to
36 kg UF U, L U U
"Universal" category child restraint systems can be recognised by their orange approval label.
Approval label on the child restrain
tsystem (example)
Key to the letters used in the table:
XI SOFIX position tha tisnot suitable for ISOFI Xchild restraint system sinthis weight cat-
egory and/or size category.
IU FS uitable for forward-facing ISOFIX child seat securing systems that belong to the "uni-
versal" category which are approved for use in this weigh tcategory.
IL Suitable for ISOFI Xchild restraint system sasrecommended; see the following table of
"Recommended child restraint systems" (Y page 58).
2 Vehicles with automatic chil dseat recognition on the front-passenger seat: achild restraint system of the
"Universal" category with atransponde rfor automatic child seat recognition must be fitted. The 4
PASS ENGER AIRBAG OFF indicator lamp must be lit. Children in the vehicle
57Safety Z

The radar sensor system must be switched off
using the on-boar dcomputer in the vicinit yof
radio telescop efacilities in the following vehi-
cles:
R vehicles without COMAND Online and nav-
igation
R vehicles without Audio 20 and Becker ®
MAP PILOT
R vehicles for Australia
Information about switching off the rad ar sen-
so rs ystem using the on-board computer can
be found in the "On-board computer and dis-
plays “section (Y page 249).
For PRE- SAFE®
Brake to assist you whe ndriv-
ing ,the radar sensor system must be
switc hed on (Y page 249) an dbeopera-
tional.
Followin gdamage to the fron tend of the vehi-
cle ,havet he configuration and operation of
the radar sensors checked at aqualified spe-
cialist workshop. This also applie stoc olli-
sions at slow speeds where ther eisnovisible
damage to the fron tofthe vehicle. STEE
RCONTROL
The steering assistan tSTEE RCONTROL helps
you by transmittin ganoticeable steering
force to the steering wheel in the direction
required for vehicle stabilisation.
This steering assistance is provided in partic-
ular if:
R both right wheels or both left wheels ar eon
aw et or slippery road surface when you
brake
R the vehicle starts to skid
You have control over the steerin gatall
times. G
WARNING
If there is an ESP ®
malfunction, you will not
receiv eany steering assistance from the
STEER CONTROL. The steering continues to
function with steering assistance. Anti-theft systems
Immobiliser
The immobilise rprevents your vehicl efrom
being starte dwithout the correct key.
X To activate with the key: removethe key
from the ignition lock.
X To activate wit hKEYLESS-GO: switch the
ignition off and open the driver' sdoor.
X To deactivate: switchont he ignition.
i The immobiliser is always deactivated
when you star tthe engine. ATA (Anti-Thef
tAlarm system)
Av isual and audible alarm is triggered if the
alarm system is prime dand you ope n:
R ad oor
R the vehicle with the emergency key ele-
ment
R the tailgate
R the bonnet
The alar misnot switched off ,even if you
close th eopen door that has triggere dit, for
example. X
To prime: lock the vehicle with the key or
KEYLESS-GO.
Indicator lamp :flashes. The alarm sys-
tem is primed after approximately 15 sec-
onds.
X To deactivate: unlock the vehicle with the
key or KEYL ESS-GO.68
Anti-thef
tsystemsSafety

X
To sto pthe alarm using the key: insert
th ek ey into the ignition lock.
The alarm is switched off.
or
X Pres sthe % or& button on the key.
The alarm is switched off.
X To stop th ealarm using KEYLESS-GO:
grasp the outside door handle. The key
must be outside the vehicle.
The alarm is switched off.
or
X Press the Star t/Stopbutton on the dash-
board. The key must be inside the vehicle.
The alarm is switched off. Tow-away protection
An audible and visual alarm is triggered if your
vehicle's angle of inclination is altered while
tow-away protection is primed. This occurs if
the vehicle is jacked up on one side ,for exam-
ple.
X To pri me:lock the vehicle with the key or
KEYLESS-GO.
Tow-away protection is primed after
approximately 30 seconds.
X To deactivate: unlock the vehicle with the
key or KEYLESS-GO.
Tow-away protection is deactivated auto-
matically.
To prevent afalse alarm, deactivate tow-away
protection manually if your vehicle:
R is being transported
R is being loade donto aferr yorc ar trans-
porter, for example
R is parked on amovable surface, e.g. in a
split-leve lgarage
Deactivating:
X Remove the key from the ignition lock. X
Press button :.
Indicator lamp ;lights up briefly.
X Lock the vehicle with the key or KEYLE SS-
GO.
Tow-awa yprotectio nisdeactivated.
Tow-away protection remains deactivated
until:
R the vehicle is unlocked again.
R ad oor is opened and closed again.
R the vehicle is locked again. Interior motion sensor
If the interior motion sensor is primed, avis-
ual and audible alarm is triggered if move-
ment is detected in the vehicle interior while
the vehicle is locked. This occur sifsomeone
reaches int othe vehicle interior, for example.
To activate:
X Make sur ethat the side windows and the
slidin gsunroof/panorama sliding sunroof
are closed.
This will prevent false alarms.
X The interior motion senso risp rime dafter
approximately 30 seconds.
To switch off:
X Unlock th evehicle with the key or KEY-
LESS-GO.
The interior motion sensor is deactivated
automatically. Anti-theft systems
69Safety Z

To prevent
afalse alarm, deactivate the inte-
rior motion senso rifyou lock your vehicle
and:
R people or animals remain in the vehicle.
R the side window sremai nopen.
R the sliding sunroof/panorama sliding sun-
roof remains open.
Deactivating:
X Remov ethe key from the ignition lock. X
Press button :.
Indica torlamp ;flashes briefly.
X Lock the vehicle with the key or KEYLESS-
GO.
The interior motion senso risd eactivated.
The interior motion sensor remains deactiva-
ted until:
R the vehicle is unlocked again.
R ad oor is opened and closed again.
R the vehicle is locked again.
i UK only: Your vehicle is equipped with a
double lock func tion. The doors can notbe
opened from the inside if the vehicle was
locked with the key or with KEYLESS -GO
( Y page 77). Deactivat ethe interior
motion sensor before lockin gthe vehicle.
The doors can then be opened from the
insid eafter th evehicle has been locked
from the outside. Observ ethe "Important
safety notes" (Y page 77).70
Anti-theft systemsSafety

Usefu
linfor mation .............................. 72
Key ....................................................... 72
Doors .................................................... 77
Luggage comp artment....................... 79
Side windows ...................................... 83
Sliding sunroof .................................... 86 71Opening
and closing

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).Key
Key functions
Locking and unlocking centr ally The key centrally locks/unlocks:
R the doors
R the tailgate
R the fuel filler flap G
WAR
NING
Only for the Unite dKingdom: if the vehicle
has been locked with the key or with KEY-
LESS-GO, the double lock function is activa-
ted as standard. It is then not possible to open
the doors from inside the vehicle.
Therefore, do not leave any people behind in
the vehicle, particularly children ,elderly peo-
ple or people requirin gspecial assistance. As
ar esult, they may not be able to free them-
selves in the event of an emergency. They
could be seriously or even fatally inju redby
prolonged exposure to extremely high or low
temperatures, for example. In this case, res-
cuin gpeople from outside the vehicle is diffi-
cult.
Deac tivate th einterior motion sensor before
you lock the vehicle. The doors can then be
opened from the inside after the vehicl ehas
been locked from the outside. G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open adoor from inside the vehicle at any
time, even if it has been locked
R star tthe vehicle usin gakey which has been
left in the vehicle
R release the electric parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Alway stake the key with you
when leaving the vehicle, even if you are only
leaving it for ashort time. G
WARNING
If ak ey rin gistoo heavy or too large, the
weight actin gonthe key coul dcause it to turn
in the ignition lock or catc honthe steering
wheel. This coul dcause the engine to be
switched off suddenly. You may lose control
of the vehicle and cause an accident. Do not
attac hany heavy or large key rings to the key
that is inserted in the ignition. :
& To lock the vehicle
; F To open/clos ethe tailgate
= % To unlock the vehicle
When unlocking, the tur nsignals flash once.
When locking, they flash three times.
When it is dark, the surroun dlighting also
comes on if it is activated in the on-board
computer (Y page 248).
You can also set an audible signal to confirm
that the vehicle has been locked. The audible 72
KeyOpening and clos
ing

signa
lcan be activated and deactivated using
the on-board computer (Y page 249).
X To unlock centrally: press the%but-
ton.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
R the vehicle is locked again.
R the anti-theft system is primed again.
X To lock centrally: press the&button. KEYLESS-GO
You can start, lock or unlock the vehicle using
KEYLE SS-GO. To do this ,you only need carry
the key with you. When you touc hthe surface
of the sensor sonthe vehicle' soutside door
handles ,KEYLESS-GO establishes aradio
connection between the vehicle and the key.
When the engine is started and whils tyou are
driving, KEYLE SS-GO also checks whether a
valid key is in the vehicl ebyperiodically
establishing radi ocontact.
When locking or unlockin gwith KEYLESS-GO,
the distance between the key and the door
handle you wish to lock or unlock must not
be greater than 1m. X
To unlock the vehicle: touch the inner
surface of the doo rhandle.
X To lock the vehicle: touch sensorsur-
face :.
X Convenienc eclosing feature: touch
recessed sensor surface ;for an exten-
ded period (Y page 85). If you pull on the handle of the tailgate, only
the luggage compartmen
tofthe vehicle is
unlocked. Changing th
esettings of the locking
system
You can change the setting of the locking
system in such away that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
X To change the setting: press and hold
down the %and& buttons simulta-
neously for approximately six seconds until
the battery check lamp (Y page 74)
flashes twice.
i If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the &or% button locks
or unlocks the vehicle.
The key now function sasfollows:
X To unlock th edriver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS-GO function is change dasfol-
lows:
X To unlock th edriver's door: touch the
inner surface of the doo rhandle on the
driver' sdoor.
X To unlock centrally: touchthe inner sur-
face of the door handl eonthe front-
passenger door or the rea rdoor.
X To lock centrally: touchthe outer sensor
surface on one of the door handles. Restoring th
efactory settings
X Press the %and& button ssimulta-
neously for approximately six seconds until
the battery check lamp flashes twice. Key
73Opening and closing Z