ignition MERCEDES-BENZ M-CLASS SUV 2011 Repair Manual

R
the Off-roa dprogra misa ctivate d(vehicles
without th eON&OFFROAD package).
R Off-road progra m1or2isactivated(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 is
detected.
Activating Active Blind Spot Assist
X On vehicles without anavigation system,
make sure that the Becker ®
MAP PILOT is
connected; see the separate operating
instructions for Audio 20.
X Make sure that the radar senso rsystem
(Y page 249) and Active Blind Spot Assist
(Y page 245) are activated in the on-board
computer.
X Turn the key to position 2in the ignition
lock.
Warning lamps :ligh tupr ed in the exte-
rior mirror sfor approximately 1. 5seconds
and then tur nyellow.
Trailer towing
If you attach atrailer, make sure that yo uhave
correctly established the electrical connec-
tion. This can be accomplished by checking
the trailer lighting .Active Blind Spo tAssist is
then deactivated. The indicator lam plights up
yellow in the exterior mirrors and the ActiveBlind Spot Assist currently unavail‐
able Se
eOwner's Manual message
appe arsint he multifunction display.
Active Lan eKeeping Assist Import
ants afety notes
Active Lane Keeping Assis tmonitors the area
in front of your vehicle by means of acamera
at the top of the windscreen. Active Lane
Keeping Assis tdetect slane markings on the
road and warns you before you leave your
lane unintentionally .Ifyou do not react to the
warning, alane-correcting application of the
brakes can bring the vehicle back into the
original lane. :
Active Lane Keeping Assis tcamera
If you have selected the Displayunit Speed-/odometer (Y
page 246) function in
th eo n-board compute rand select km as the
unit of measurement, Active Lane Keeping
Assist is active from speeds of 60 km/h. If
the miles display unit is selected
,the assis-
tan ce ra nge begins at 40 mph. G
WARNING
Active Lane Keeping Assist doe snot keep
your vehicle in its lane. It is only an aid and
may detec tthe lan emarkings on the road
incorrectly or not at all.
The system may be impaired or may not func-
tion if:
R several or no lane markings for asingle lane
are present.
R there is poor visibility, e.g. due to insuffi-
cient illumination of the road, or due to
snow, rain, fog or spray.
R there is glare, e.g. from oncoming traffic,
the sun, or reflec tion from other vehicles.
R the windscreen is dirty, misted up or cov-
ered, for insta ncebyasticker, in the vicinity
of the camera.
R the lane markings are worn away ,dark or
covered up, e.g. by dirt or snow.
R the distance to the vehicle in front is too
small and the lane markings thus cannot be
detected.
R the lane markings on the road are unclear,
e.g. near roadworks. Driving systems
215Drivingand park ing
Z

On-roa
dprogram (vehicle swith 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 222).
The following program messages remain in
the multifunction display until the corre-
spondin gvehicle level has been set. Up to off-
road level 2, you can hide the program mes-
sages using the %ora button on the
multifunction steering wheel.
AUTO program Selec
tthe 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
selector wheel :.
Selector wheel :extends.
X To select: turn selector wheel :unti lindi-
cator lamp ;comes on.
AUTO indicator =appears in the multi-
function display. R
Highway level 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.
SPORT program Select th
eSPORT program for sport ydriving
dynamics.
Your selection remains store deven if you
remove th ekey from the ignition lock. X
Selector wheel : engaged:
briefly press
selector wheel :.
Selec torw heel :extends.
X To select: turnthe selector wheel :until
indicator lamp ;goes on.
SPOR Tindicator =appears in the multi-
function display.
R High-speed level ,-15 mm compared to
highway level ,isset.
R AD S(Adaptive Damp ingS ystem) adjusts
the sporty damping characteristics to the
current operating and driving conditions. 218
Driving systemsDriving and
parking

From LOW RANGE to HIG
HRANGE
! Only carry out the gear change process if:
R the engin eisrunning
R the transmission is in position N
R you are not driving above 70 km/h
X Press LOW RANG Ebutton :.
Indicato rlamp ;flashes.
When the gear change is complete, indica-
tor lamp ;goes out. In th emultifunction
display, the LOWR ANGE Off message
appears and status indica tor=goes out.
While indica torlamp ;is flashing, you can
cancel the gear change by pressin gLOW
RANGE button :agai n.
Me ssages in th emultif un ction display
If ag ear chang eprocess ha snot been suc-
cessful, th efollowin gmessages may be dis-
played in the multifunction display:
LOW RANGE Max. speed 40 km/h :Y
ou have
been drivin gabove 40 km/h. Indicator
lamp ;also flashes.
X Drive mor eslowly to carr yout the gear
change process.
LO WR ANGE Shift to position N briefly :T
he transmission is in position D
and you ar enow drivin gatbelow 40 km/h.
X Shif tthe transmission to Nto complete the
gear change process.
LOW RANGE Shifting cancelled Please
reactivate :T
he shifting process has not
been completed.
X Maintai nall gear change condition sand
carry out the gea rchange process again.
LO WR ANGE Stop Apply parking brake :
Aw arning ton eisalso heard. The gear change
proces shas not been completed. LOW
RANGE is in the neut ralp osition .There is no
con nectio nbetween the engine and the drive
wheels.
! Do not driv eany further, otherwis eyou
coul ddamage the vehicle's drive train. X
Stop the vehicle. Take into account the
road and traffic conditions when doing this.
X Apply the electric parking brake
(Y page 161).
X Carry out the gear change process again.
If the gear change process has been carried
out, the LOWR ANGE Stop Apply park‐ ing brake message disapp
ears. ON&OFFROAD men
uint he COMAND
display (vehicles wit hthe ON&OFF-
ROA Dpackage)
Yo uc an displ ay some driving systems ,driving
programs and additional information in the
COMAND display. X
Make sure that th ekey is in position 2in
the ignition lock.
X Make sure that COMAN DOnline is activa-
ted, see the separate COMAND operating
instructions.
X Pres sthe : func tion button.
The corresponding displays appear in the
CO MAN Ddisplay:
R level control
R steering angle
R vehicle' sangle of inclination
R uphill or downhil lgradient in percentage
R on- road/off-road program selected
R condition of the differential lock for the
transfer case
R the LOW RANGE off-road gear is selected Off-road driving systems
225Drivingand parking Z

Vehicles with the AIRMATIC package
X
Make sure tha tthe transmission is in posi-
tion P.
X Engage the electric parkin gbrake.
X Start th eengine.
X Clos ethe doors and tailgate.
X Secur ethe trailer against rolling away.
X Remove the trailer cable and decouple the
trailer.
X Switc hoff th eengine. Folding in the ball coupling
i Fold the ball coupling back in if you are
not using the trailer tow hitch.
X Make sure that the vehicl eisstationary and
the trailer cables are disconnected.
X Place the protective cap on the ball cou-
pling.
X Ope nthe tailgate. X
Pull the release knob :until the ball cou-
plin gunlocks.
The ball coupling folds dow nfrom under the
rea rbumper. The indicator lamp on the
release knob flashes. X
Press the ball coupling in the direction of
the arrow until it engage saudibly behind
the bumper.
The indicator lamp on the release knob
goes out and the messag einthe multifunc-
tion display disappears. Trailer power supply
When it leaves the factory ,your vehicle's
trailer socket is equipped with apermanent
power supply and apower supply that is
switched on via the ignition lock.
The permanen tpower supply is supplied via
trailer socket pin 9.
The power supply that is switched on via the
ignition lock is supplied via trailer socket pin
10.
! You can con nect consumers with apower
ratin gofupto2 40Wtot he permanent
power supply and up to 18 0Wto the power
supply that is switched on via the ignition
lock.
You must not charge atrailer battery using
th ep ower supply.
The trailer's permanen tpower supply is
switched off in the even toflow vehicle supply
voltage and after six hour satthe latest.
You can obtai nfurther information about
installing the trailer electrics from aqualified
specialist workshop, e.g. aMercedes-Benz
Ser vice Centre. 230
Towing
atrailerDriving and parking

X
To switc hthe conn ected powe rsupply
on or off: turn thekey in the ignition lock
to position 2or 0respectivel y. Bulb failure indi
cator for LE Dlamps
i If LED lamps are fitte dinthe trailer, an
error message ma yappear in the multi-
function display even if there is no fault. The
reason for the error message may be that
the current has fallen below the minimum
of 50 milliamper es(mA).
To ensure reliabl eoperation of the bul bfailure
indicator, each LED chai ninthe trailer lighting
must be guaranteed aminimum current of
50 mA. Trailer with 7-pin connector
Genera linforma tion If your trailer has
a7-pin connector, you can
connect it to the 13-pin socket on the ball
coupling using an adapter or, if necessary, an
adapter cable .Both of these can be obtained
at aq ualified specialist workshop, e.g. at a
Mercedes-Ben zService Centre.
Fitting the adapter X
Open the socket cover.
X Insert the connector with lug :into
groove ;on the socket and tur nthe con-
nec torc lockwise to the stop. X
Let the cover engage.
X If you are using an adapter cable, secure
the cable to the trailer with cable ties.
! Make sure that there is sufficient cable
play so that the cable cannot become
detached when cornering. Towing
atrailer
231Driving andparki ng Z

or on bridges. If you do not adapt your driving
style to the conditions, the vehicle coul dskid.
For this reason, adapt your driving style and
speed to the weather conditions.
Changes in the outside temperature are dis-
playe dafter ashort delay. Speedometer wit
hsegments
The segment sinthe speedometer indicate
whic hspeed range is available.
Cruise control (Y page 170) activated:
The segment slight up from the stored speed
to the maximum speed.
Variable SPEEDTRONI C(Ypage 172) activa-
ted:
The segment slight up from the start of the
scale to the selected limit speed.
DISTRONIC PLU S(Ypage 174) activated:
One or two segment sinthe set speed range
light up.
DI ST RONIC PLUS detects avehicle in front:
The segment sbetween the speed of the vehi-
cle in front and the stored speed light up. Opera
ting th eon-board computer
Overview The on-board computer is activated as soon
as you tur nthe key to position 1in the ignition
lock.
You can con trol the multifunc tion display and
the settings in the on-boar dcomputer using
the button sonthe multifunc tion steering
wheel. :
Multifunc tion display
; Switches on LINGUATRONIC ;see the sep-
arate operating instructions
= Right control panel
? Leftcontrol panel
A Bac kbutton
Left control panel =
; R
Call supt he men uand menu bar 9
:
Pres
sbriefly:
R Scrolls throug hlists
R Select sasubmenu or function
R In the Audio menu: selects a
stored station, an audio track or
av ideo scene
R In the Tel (telephone) menu:
switches to the phone book and
selects aname or telephone
number Displays and operation
235On-boardcomputer and displays Z

The
Audio ,
Navi and
Tel menus differ slightly in vehicles with an audio system and vehicles
with COMAN DOnline. The example sgiven in this Owner' sManual apply to vehicles equipped
with COMAND Online. Trip menu
Standard display X
Press and hold the %button on the
steering wheel until the Trip menu with
total distance recorder :and trip
meter ;is shown.
Trip computer "From start" or "From
reset" The values in the
From start submenu are
calculated from the start of ajourney, whilst
the values in the From reset submenu are
calculated from the last tim ethe submenu
was reset (Y page 240).
X Press the =or; button on the steer-
ing wheel to selec tthe Trip menu.
X Press 9or: to select From start or
From reset .
Tri
pc omputer "From star t"(example)
: Distance
; Time
= Average speed
? Average fuel consumption The
From start trip computer is reset auto-
matically when:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 999 9kilometres have been exceeded.
The From reset trip computer is reset if the
trip exceeds 999 9hour sor9 9,999 kilome-
tres.
Displaying the rang eand cur rent fuel
consumption X
Press the =or; button on the steer-
ing wheel to select the Trip menu.
X Press the 9or: button to select
curren tfuel consumption and approximate
range. :
Approximate range
; Current fuel consumption
Approximate range :is calculated accord-
ing to curren tdriving style and th eamount of
fue lint he tank. If ther eisonlyasmal lamount
of fue lleft in the fuel tank ,the display shows
av ehicle being refuelled Cinstead of
range :.
Digital speedometer X
Press the =or; button on the steer-
ing whee ltoselect the Trip menu.
X Press the 9or: button to select the
digital speedometer. Menus and submenus
239On-boardcomputer and displays Z

tio
nd isplay shows the Äsymbol when the
ignition is switched on.
Showing distance display This function is only available with DIS-
TRONI CPLUS.
X Press =or; on thesteerin gwheel
to selec tthe Assist. menu.
X Press the 9or: button to select
Distance display .
X Press a.
The DI STRONIC PLUS distance display
(Y page 177) appears in the multifunction
display.
Activating/deactivatin gthe PRE-SAFE ®
Brake PRE-SAFE
®
Brake is onl yavail able in vehicles
with DISTRONIC PLUS.
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select PRE-SAFE Brake .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: pressa
again.
When PRE-SAFE ®
Brake (Y page 66) is acti-
vated, the multifunction displa yshows the
Ä symbol as long as the HOL Dfunction is
not activated (Y page 187).
Vehicles with Active Parking Assist: if
PARKTRONIC is activated and you are driving
at as peed under 35 km/h, the jActive
Parking Assist symbol is shown instead of the
Ä symbol. Activating/deactivating ATTENTION
ASSIST X
Press =or; on the steerin gwheel
to selec tthe Assist. menu.
X Press the 9or: button to select
Attentio nAsst. .
X Press a.
Th ec urrent selection is displayed.
X To activate/deactivate: pressa
again.
When ATTENTION ASSIST (Y page 202)is
activated, the Àsymbol appears in the
multifunction displ aywhen the ignition is on.
Activating/deactivating Blind Spot
Assist You can use the
Blind Spot Asst. func
tion
to activate or deactivate Blin dSpot Assist
(Y page 208) or Active Blin dSpot Assist
(Y page 212).
X Press =or; on the steerin gwheel
to selec tthe Assist. menu.
X Press 9or: to select Blind Spot
Asst. .
X Press a.
The curren tselection is displayed.
X To activate/deactiva te:press a
again.
Activating/deactivating Lane Keeping
Assist You can use the
Lane Keep. Asst. function
to activate/deac tivate Lane Keeping Assist
(Y page 210) or Active Lane Keeping Assist
(Y page 215).
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select Lane Keep.
Asst. .
X Press a.
The current selection is displayed.
X Press the abutton to confirm. Menus and submenus
245On-boardcomputerand disp lays Z

X
Press :or9 to set Off ,
Standard or
Adaptive .
X Press the abutton to save the setting.
When Lane Keeping Assist or Active Lane
Keeping Assist is activa ted, the Ãsymbol
appear sint he multifunction displa ywhen the
ignition is on. Servic
emenu In the
Service menu you can:
R call up display messages (Y page 253)
R reset the tyre pressure loss warnin gsystem
(Y page 360) or check the tyre pressure
electronically (Y page 361)
R call up the service due date (Y page 322)Settings menu
Introduction The
Settings menu can be used for:
R changing the instrument cluster settings
R changing the ligh tsettings
R changin gthe vehicle settings
R changin gthe auxiliary heating settings
R changin gthe con venience set tings
R resto ring the factory settings Instrument cluster Selectin
gthe uni tofmeasurement for dis-
tance
The Displa yunit Speed-/odometer: function allows yo
utochoose whether cer-
tai nd isplays appear in kilometres or miles.
The selected unit of measurement for dis-
tanc eapplies to:
R the digital speedometer in the Trip menu
R the total distanc erecorder and the trip
meter
R the trip computer
R the curren tconsumption and the range
R the navigation instruction in the Navi menu
R cruise con trol
R SPEEDTRONIC
R DIST RONIC PLUS
R ASSYST PLUS service interval display
X Press the =or; button on the steer-
ing whee ltoselect the Settings menu.
X Press the :or9 button to select the
Inst .cluster submenu.
X Press the abuttontoc onfirm.
X Press the :or9 button to select the
Displa yunit Speed-/odometer func-
tion.
Yo uw ill see the selected setting: km or
miles .
X Press the abutton to save the setting.
Selecting the permanent display function
i Vehicles for the United Kingdom: this
func tion is not available.
The Permanen tdisplay: function allows
yo utoc hoose whether the multifunction dis-
play always shows the outside temperature
or the speed in mph.
X Press the =or; button on the steer-
ing wheel to selec tthe Settings menu.
X Press the :or9 button to selec tthe
Inst .cluster submenu.
X Press the abuttontoc onfirm. 246
Menu
sand submenusOn-board computer and displays

Switching Adaptive Highbeam Assist on/
off
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Light submenu.
X Press the abutton to con firm.
X Press the :or9 button to select the
Adaptive Main-bea mAssist: function.
Yo uw ill see the selected setting: Activa‐ted or
Deactivated .
X Press the abutton to save the setting.
Setting the brightness of the ambient
lighting
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Light submenu.
X Press the :or9 button to select
Ambien tlight .
Yo uw ill see the selected setting.
X Press the abutton to confirm.
X Press the :or9 button to adjust the
brightness to any level from Off to
Level 5 (bright).
X Press the aor% button to save the
setting.
Setting the ambient lighting colour
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Light submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Ambien tlight colour function.
X Press the abuttontoc onfirm.
X Press the :or9 button to set the
colou rtoSOLAR ,
NEUTRAL or
POLAR .
X Press the aor% buttontos ave the
setting. Activating/deactivating the surround
lighting and exterior lighting delayed
switch-off
If you have activated the
Surround light‐ ing function and the light switch is set to
Ã,t he followin gfunctions are activated
when it is dark:
R Surround lighting: the exterior lighting
remains lit for 40 seconds after unlocking
with the key. If you start the engine, the
surround lighting is switched off and the
automatic headl ampm ode is activated
(Y page 107).
R Exterior lighting delaye dswitch-off: the
exterior lighting remains lit for 60 seconds
after the engine has been switche doff. If
you close all th edoors, the exterior lighting
goes off after 15 seconds.
If you activate the Surround lighting func-
tion ,the followin glight up depending on the
vehicle' sequipment:
R the side lamps
R the daytim edriving lights
R thes urround lighting in the exterior mirrors
X Press the =or; button on the steer-
ing wheel to select the Settings menu.
X Press the :or9 button to select the
Light submenu.
X Press the abutton to confirm.
X Press the :or9 button to select the
Surround lighting function.
You will see the selected setting: on or
off .
X Press the abutton to save the setting.
Deactivating delayed switch-off of the exte-
rior lighting temporarily:
X Before leaving the vehicle, turn the key to
position 0in the ignition lock.
X Turn the key to position 2in the ignition
lock and back to position 0.
The exterior lighting delayed switch-off is
deactivated. 248
Menus and submenusOn-board computer and displays