2012 MERCEDES-BENZ M-Class lock

Steering
(displaymessage) ..............266
Stee ring wheel
Adjusting (electrical ly). .................. 101
Adjusting (manual ly). ..................... 101
Button overview............................... 31
Buttons (on-board
compu ter)...................................... 223
Cl eani ng....... .............. ....... ............. 324
Importa ntsafe tynotes .................. 100
Pad dleshifte rs............................... 147
Steering wheelhea ting .................. 101
Storing settings (memory
function) ........................................ 105
Stee ring wheelheatin g
Prob lem(malfunction) ................... 101
Switchi ngon/off ........................... 101
Stee ring wheelpaddle shifters........ 147
Stow agecompartm ents
Cu ph olders ................................... 293
Eyeg lasses compa rtment ............... 285
Gl ove box .......... .. .... .................... ...2 85
Importa ntsafe tyinforma tion......... 284
Parce lnet ...................................... 286
Summer opening
see Conve nience opening featu re
Summer tires..................................... 352
Sun visor............................................ 295
Suppleme ntalRestrain tSyste m
see SRS (Supplemental Restraint
System)
Surround lighting (on-bo ard
co mputer) .......................................... 235
SUV (Sport UtilityVehi cle)....................... 23
Swi tchin gair-rec irculation mode
on/ off................................................. 133
Swi tchin goff the alarm (ATA) ............ 68 T
Tachome
ter.................. ...................... 223
Tailg ate
Displ aymessa ge............................ 266
Emergency unlocking ....................... 84
Importa ntsafe tynotes .................... 81
Limi ting theopeni ngangl e............... 84
Openi ng/closi ng(automa tically
from inside)....... ...............................83 Openi
ng/closi ng(automa tically
from outside)................................... 82
Openi ng/closi ng(from outside)....... 82
Tail lamps
Displ aymessa ge............................ 252
Tank
see Fuel tank
Tank content
Fuel gauge....................................... 29
Techn ical data
Notes ............................................. 380
Tire s/whe els................................. 375
Trai lerLoad s.................................. 391
Vehi cledata ................................... 390
TELE AID
Ca llprio rity.................................... 303
Displ aymessa ge............................ 245
Downlo ading desti nations
(C OMAND) ..................................... 303
Emergency call.............................. 300
Importa ntsafe tynotes .................. 299
Locati ngastolen veh icle. .............. 304
MB info callbutton ........................ 302
Rem otevehi clelocking .................. 304
Roa dside Assista ncebutton .......... 301
Search &Send ............................... 303
Self-test ......................................... 299
System .......................................... 299
Vehi cleremote unlocking .............. 304
Tele phone
Accepting acall............................. 231
Displ aymessa ge............................ 267
Menu (on-boa rdcompu ter)............ 230
Numb erfrom thephone book........231
Red ialing ........................................ 231
Reje cting/endi ngacall................. 231
Tele scopic rod (EASY -PAC Kload-
sec uring kit)....... ................................292
Temperature Coo lant .......................................... 222
Outsi detempera ture......................223
Setting (climate control) ................ 130
Theft deterren tloc king syste m
Immobi lizer...................................... 68
Through-lo ading................................ 286
TIREF ITkit .......................................... 330 In
dex
17

Tow
ingat rail er
Activ ePark ing Assist ..................... 189
Cl eani ngthe trail ertow hitch .........322
Cou pling up atrail er...................... 215
Decoup lingatrail er....................... 217
Driving tips.................................... 210
Importa ntsafe tynotes .................. 210
Install ingthe ballcoup ling............. 214
Ligh tsdis pla ym essage .................. 250
Mou nting dimensions .................... 391
Pow ersup ply................................. 219
Pul ling away with atrail er.............. 141
Rem oving theballcoup ling............ 218
Shift range ..................................... 147
Storing theballcoup ling................ 218
Trai lerloads................................... 391
Towi ngaway
With both axleson the grou nd....... 344
Tow-s tarting
Emergency enginestarting ............ 345
Importa ntsafe tynotes .................. 343
Trailer couplin g
see Towingatrail er
Trailer loadsanddrawbar
nos eweig hts ...................................... 218
Trailer towing
Active BlindSpotAssist ................. 205
Active LaneKeepingAssist ............ 208
Blind SpotAssist ............................ 200
ESP ®
................................................ 64
PARKT RONIC................................. 185
Permi ssibletrail erloa dsand
dra wba rnoseweights ..................... 218
Transmiss ion
see Automa tictransmis sion
Transporting thevehi cle .................. 345
Traveli nguphill
Brow ofhill....... ..............................166
Driving downhill ............................. 167
Maxi mum gradient-clim bing
capa bility ....................................... 166
Trim pieces(clean inginstruction s).3 24
Trip computer (on-bo ard
co mputer) .......................................... 227
Trip meter
see Trip odom eter Trip
odome ter
Ca lling up ....... ..................... ...........227
Res etting (on-boa rdcompu ter)...... 228
Trunk
see Tailga te
Turn signals
Displ aymessa ge............................ 251
Switchi ngon/off ........................... 111
TWR (TongueWeight Rating)
(defi nition) ......................................... 374
Type identification plate
see Vehi cleidentificati onplate U
Unl
ocking
Emergency unlocking ....................... 80
From insidethe vehi cle(central
unlo cking button) ............................. 79 V
Vanity
mirror(insun visor).............. 295
Vehic le
Corr ectuse ...................................... 25
Data acquisition ............................... 26
Displ aymessa ge............................ 265
Equi pment ....................................... 21
Indivi dualsett ings .......................... 233
Limi tedWarr anty ............................. 26
Load ing.......................................... 362
Locking (inanemerg ency)............... 80
Locking (SmartKe y)....... ................... 73
Lowe ring........................................ 337
Mai ntenance .................................... 22
Parki ngfor along period....... .........157
Pul ling away ................................... 141
Ra ising ........................................... 334
Rep orting problems ......................... 25
Tow ingaway .................................. 343
Transp orting.................................. 345
Unlocking (inanemerg ency)........... 80
Unlocking (SmartKey)...................... 73
Vehi cledata ................................... 390
Vehic lebattery
see Battery (vehicle)
Vehic ledata ....................................... 390
see Techni caldata In
dex
19

Vehi
cle dime nsions........................... 390
Vehic leemerge ncylocking ................ 80
Vehic leiden tification number
see VIN
Vehic leiden tification plate.............. 381
Vehic lelev el(dis play messag e)....... 258
Vehic letool kit.................................. 328
Video (DVD) ..................... ................... 230
VIN ...................................................... 381W
Warning
andindicator lamps
ABS ............................ .................. .. 272
Brakes ........................................... 271
Che ckEngine ................................. 276
Coo lant .......................................... 277
Distance warning ........................... 279
DISTRONI CPLUS ........................... 279
ESP ®
.............................................. 273
ESP ®
OFF .......................................274
Fuel tank ............................... 276,277
Overvi ew.......................................... 30
PASSENGER AIRBAG OFF
indi cator lamp .................................. 44
Res erve fuel....... ....... ............. 276,277
Seat belt........................................ 269
SRS ............................ .................... 275
Tire press uremonitor .................... 280
Warranty ............................................ 381
Washer fluid
Displ aymessa ge............................ 267
see Winds hieldwa sher system
Whee lbol ttight ening torque ........... 337
Whee lcho ck...................................... 334
Whee ls
Cha nging awheel .......................... 333
Che cking ........................................ 351
Cl eani ng....... ....... ..................... ...... 320
Importa ntsafe tynotes .................. 350
Interchangi ng/changing................ 374
Mou nting awheel .......................... 336
Rem oving awheel .......................... 336
Storing ........................................... 375
Tig htening torque....... .................... 337
Whee lsize/ tires ize ....................... 375Windo
wcurtain airbag
Displ aymessa ge............................ 246
Opera tion............ ...... .......................4 4
Windo ws
Cl eani ng...... ...... ............................. 321
see Side windows
Windshi eld
Defrosting ...................................... 131
Infrared reflective .......................... 309
Winds hieldwasher system.............. 315
Notes ............................................. 390
Winds hieldwiper s
Problem (malfunction) ................... 120
Rea rwindow wiper........................ 118
Rep lacing thewiper blades ............ 119
Switchi ngon/off ........................... 118
Winte rdriving
Imp orta ntsafety note s.................. 352
Slip pery road surfaces................... 162
Snow chains.................................. 353
Winte roperatio n
Ra dia tor cover ............................... 313
Winte rtires
M+S tires....................................... 352
Wiper blades
Cl eani ng....... ..................... ............. 321
Importa ntsafe tynotes .................. 119
Rep lacing (rearwindow) ................ 119
Rep lacing (windshi eld)................... 119
Woo dentrim (clean ing
ins truction s)...................................... 32420
In
dex

Cockp
it Funct
ion Pag
e :
St
eer ing wheel paddle
shif ters 14
7 ;
Comb
inationswit ch 11
1 =
In
st rum entclus ter 29
?
Hor
n A
DI
RECT SELECT leve r 14
4 B
PA
RKTRO NICwarn ing
displ ay 18
3 C
Ove
rheadcontrol pane l 34
D
Climat
eco ntrol syst ems 12
2 E
Ign
ition lock 13
9 St
art /S topbut ton 13
9 Funct
ion Pag
e F
Ad
jus tsthest eer ing wheel
man ually 10
0 G
Ad
jus tsthest eer ing wheel
elec tricall y 10
0 St
eer ing wheel heating 10
1 H
Cruise
control leve r 16
8 I
Open
sth ehood 31
2 J
On
-bo ard diagn ostic
int erf ace 24
K
Ele
ctric park ingbrak e 15
6 L
Ligh
tswitc h 10
8 M
Night
ViewAssist Plus 19
5 28
CockpitAt a glance

Useful
information.............................. 38
Occupant safety.................................. 38
Childr eninthe vehicle ........................ 54
Panic alarm.......................................... 60
Driving safetysystems ....................... 60
Thef tdeter rentlocking systems....... 68 37Safety

If
the SmartKey hasbeen removed fromthe
ignition lockorisin positio n0, indicator lamp
45: doesnotlightup. G
WARN
ING If
the red 6 SRSwarning lampinthe
inst rument clusterandthe45
indicat orlamp lightupsimultan eously,the
OCS ismalfunc tioning. Thefrontpassen ger
fr on ta irbag willbedeact ivatedin this case.
Have thesyst emchec kedbyqualified
tec hnic ians assoon aspossible .Contac tan
auth orizedMer cedes-Ben zCent er.
Only have theseat repaired orreplaced atan
authorized Mercedes-BenzCenter .
In order toensure properoperation ofthe air
bag system andOCS:
R Sit with theseat beltproperly fastenedina
position thatisas upright aspossible with
your back against theseat backr est.
R When seated, apassenger shouldnot
position him/herselfinsuch away asto
cause thepassenger' sweight tobe lifted
from theseat cushion asthis may result in
the OCS being unable tocorr ectly
approximat ethe passenger' sweight
categor y.
R Read andobserve allwarnings inthis
chapter .
System self-test If
an adult occupant isproperly sitting onthe
passenger seatandtheOCS classifies the
occupant asan adult, the45 indicator
lamp illuminates andgoes outagain after
approximat ely6secon ds.
If the seat isnot occupied andtheOCS
classifies thefron tpasse nger seat asbein g
uno ccupied, the45 indicat orlamp
will illumin ateand notg oout. G
WARNIN
G If
the 45indic atorlamp doesnot
illuminat e,the syst emisnot func tioning. You
must contactan author izedMerc edes- Benz Cent
erbefor eseatin gany child onthe front
passen gerseat.
For more informat ion,see"Problem swith the
Occ upant Classific ationSystem"
(Y page 48). G
WARN
ING Never
placeanything betwee nseat cushion
and child seat(e.g. apillow), sinceitreduces
the effec tivenessofthe OCS. Theunderside
and rear side child restraintsystem mustbe
placed entirely onthe seat cushion andthe
backr estofthe fron t-passenger seat
backr est.
If neces sary,adjust thetiltofthe passenger
seat backr est.
An incor rectlymount edchild seatcould cause
injuries tothe child incase ofan acciden t,
inst ead ofincr easing protectionforthe child.
Follow themanufact urer'sinstruct ions for
inst allation ofchild restraintsystems. Occupant
safety
47Safety Z

PRE-SAFE
®
(preventat iveocc upant
prot ection) G
WARNING The
PRE-SA FE®
system reduces theimpact of
an accident onvehicle occupants, aslong as
their seatbelts havebeen fastened correctly.
Although yourvehicle isequippe dwith aPRE-
SAF E®
system, thepossibility ofinjury inthe
event ofan accident cannotberuled out.You
should therefore alwaysdrive carefully and
adapt yourdriving styletothe prevailing road,
weather andtraffic condition s.
PRE-SA FE®
takes preemptive measuresto
protect occupants incertain hazardous
situations.
PRE-SA FE®
interv enes:
R in emergency brakingsituations, e.g.ifBAS
is activated or,invehicles withDISTRONIC
PLUS, BASPLUS intervenespowerfully
R ifthe radar sensor system detectsan
imminent dangerofcollision incertain
situations (onvehicles withDISTRONIC
PLUS)
R in critic aldriving situations, e.g.when
physical limitsareexceed andthevehicle
understeers oroversteers severely
PRE-SA FE®
takes thefollowing measures
depending onthe hazardous situation
detect ed:
R the front seatbelts arepre-ten sioned.
R on vehicles withmemory functionforthe
front -passenger seat:thefront -passenger
seat isadjusted ifit is in an unfavorable
position.
R ifthe vehicle skids,thesliding sunroof/
panorama roofwith power tilt/sliding
panel andtheside windows areclosed so
that only asmall gapremains.
If the sliding sunroof, panorama roofwith
power tilt/sliding paneloraside window is
obstruct edduring closing, theclosing
procedure isstopped. Theobstruct edsliding
sunroof, panorama roofwith power tilt/ sliding
panelorside window opensagain
slightly.
If the hazardous situationpasseswithout
resulting inan accident, PRE-SAFE®
slackens
the belt pretension ing.Allsettin gsmade by
PRE-SA FE®
can then bereversed.
If the seat belts arenot released:
X Move thebackrest orseat back slightly, but
only when thevehicle isstationary.
The belt pretension ingisreduced andthe
locking mechanism isreleased. G
WARNING Make
surethatnobody canbecome trapped
as you adjust theseat.
! Make surethatthere arenoobject sin the
footwell orbehind theseats when resett ing
the seats. Thereisarisk that theseats
and/or theobject scould bedamaged.
More information aboutseat-belt
adjustment ,a conv enience function
integrated intoPRE-SA FE®
,can befound in
the "Seat-belt adjustment "section
(Y page 52). Seat
belts
Import antsafety notes The
useofseat belts andinfant andchild
restraint systemsisrequired bylaw inall 50
states, theDistr ictofColumbi a,the U.S.
territ ories andallCanadia nprovinces.
Even where thisisnot thecase, allvehicl e
occupa ntsshou ldhave theirseatbelts
fastened whenthevehicl eis in motion. i
For
further informati ononinfants and
child rentraveli nginthe vehicl eand on
infant andchild restrai ntsystems ,see
"C hildren inthe vehicl e"(Y pag e54). G
WARNING Alwa
ysfasten yourseat belt before driving off.
Always makesureallofyour passengers are Occupant
safety
49Safety
Z

X
Adju stthe seatand movethe backres tto
an almos tvertic alposition (Ypage 94).
X Pull theseat beltsmoot hlythrough belt
sash guide :.
X Without twistingit,guide theshoulder
sect ionofthe seat beltacross themiddle
of your shoulder andthelapsect ionacross
your hips.
X En gage belttongue ;inbuckle =.
Seat- beltadjustm ent:ifn ecessary, the
driver's andfront-passenger seatbelts
automatic allyadjust tothe upper body
(Y page 52).
X Ifnec essary, adjusttheseat belttothe
appropriate height(Ypage 52).
X Ifnec essary, pullupwards onthe shoulder
sect ionofthe seat belttotight enthe belt
across yourbody.
All seat belts except thedriver's seatbeltare
equipped withaspecial seatbeltretractor to
securely fastenchildrestraint systems inthe
vehicle. Forfurth erinfor mation onspecial
seat beltretractor s,see (Ypage 56).
For more information aboutreleasing theseat
belt with release button?,see "Releasing
seat belts" (Ypage 53). Seat
beltadjustm ent The
seat- beltadjustm entfunc tionadjusts the
driver's andfront-passenger seatbelttothe
upper bodyofthe occupants.
The belt strap istight ened slightly when:
R you engage thebelt tongue inthe belt
buckle andyouthen turntheSmart Keyto
position 2in the ignition lock.
R the Smart Keyisin position 2in the ignition
lock andyouthen engage thebelt tongue
in the buckle.
The seat- beltadjustm entwill apply a
retr action forceif any slack isdetec ted
between theoccupant andtheseat belt. Do
not hold ontothe seat belttight lywhile itis
adjustin g.You canswitch theseat- belt
adjustm entonand offinthe on-board
comput er(Y page 237).
The seat- beltadjustm entisan integral partof
the PRE-S AFE®
con venien cefunc tion.More
infor mation aboutPRE-SAFE®
can befound
in the "PRE-S AFE®
(preven tativeocc upant
protec tion)"sect ion(Ypage 49).
Belt height adjustm ent You
canadjust theseat beltheight onthe
driver's seatandthefron t-passenger seat. Adj
ust the height sothat theupper partofthe
seat beltisrouted across thecenterofyour
shoulder. 52
Occupant
safetySafety