181 MERCEDES-BENZ M-Class 2012 W166 Owner's Manual

1,
2,3... 115
Vsocket .................. .................... 298
12 Vsocket
see Sockets
4ETS (Electr onicTract ion Syst em)....63
4MA TIC(permane ntfour-w heel
drive) .................................................. 208A
ABS
(Anti-lo ckBraking System)
Displ aymessa ge............................ 239
Function/notes ................................61
Importa ntsafe tynotes .................... 61
Warni nglamp ....... .......................... 272
Ac tivating /deactivating cooli ng
wi th air dehumidif ication ................. 128
Ac tive BlindSpot Assist
Activa ting/d eactiva ting(on-
boa rdcomp uter)............................ 232
Function/inform ation.................... 202
Trai lertowi ng................................. 205
Ac tive Curve System
Displ aymessa ge............................ 258
Function/notes ............................. 181
Ac tive DrivingAssistanc epackage .202
Ac tive Lane Keepin gAss ist
Activating/d eactivating (on-
boa rdcompu ter)............................ 233
Displ aymessa ge............................ 259
Function/inform ation.................... 205
Trai lertowi ng................................. 208
Ac tive LightSyste m
Displ aymessa ge............................ 253
Ac tive Parking Assist
Displ aymessa ge............................ 260
Importa ntsafe tynotes .................. 186
Tow ingatrail er.............................. 189
Ac tive servi cesyste mPLUS
see ASSYS TPLUS service interval
disp lay
AD APTIVE BRAKE.................... .............6 5
Ada ptive High beam Assist
Dis play message ............................ 253
Function/notes ............................. 112
Switchi ngon/off (on-boa rd
compu ter)...................................... 234Additi
ves(engi neoil)........................ 388
AD S(A daptive DampingSyste m)
Function/notes ............................. 180
Ai rb ags
Displ aymessa ge............................ 249
Front airbag (driver, front
pas senger )....................................... 42
Importa ntsafe tynotes .................... 40
Knee bag....... ................................... 42
PASSENGER AIRBAG OFF
indi cator lamp .................................. 44
Safety guidel ines ............................. 39
Side impactairb ag .......................... 43
Windo wcurtain airbag .................... 44
Ai r-con ditioningsyste m
see Clima tecontrol
Ai rf ilter (disp laymessa ge).............. 257
AI RF LOW ........................................... 129
AI RMATIC package
ADS (Adaptive Dampi ngSystem) ...180
Function/notes ............................. 180
Level control .................................. 181
Ai rpressure
see Tire press ure
Ai rv ents
Glove box....................................... 134
Imp ortant safet ynotes .................. 134
Rea r............................................... 135
Setting ........................................... 134
Setting thecenter airvents ........... 134
Setting thesideairvents ............... 134
Al arm syste m
see ATA (Anti-Theft Alarmsystem)
Ambi entlighting
Setting thebrightness (on-boa rd
compu ter)...................................... 234
Setting thecolor (on-boa rd
compu ter)...................................... 235
Anti -lockBraki ngSys tem
se eABS (Anti-lock Bra king Syste m)
An ti-Th eftAl arm system
se eATA (Anti -Theft Alarm syste m)
An ti-th eftsys tem
ATA (Anti -Theft Alarm syste m) ......... 68
Approac h/departure angle.............. 166
Ashtray ............................................... 2964
In
dex

Disp
lay(clea ning instructi ons) ........ 323
Di splay messag es
Ca lling up (on-boa rdcompu ter)..... 238
Driving systems ............................. 258
Engine ..................... .............. .........254
Gene ralnotes ................................ 238
Hidi ng(on-boa rdcompu ter)........... 238
KEYLESS-GO .................................. 267
Ligh ts.... ................ ...................... ...2 50
Safety systems .............................. 239
Service intervaldisplay .................. 317
SmartKey ....................................... 267
Tire s....... ........................................ 263
Vehi cle...........................................2 65
Di stanc edisplay (on-bo ard
co mputer) .......................................... 232
Di stanc ereco rder ............................. 227
see Odome ter
see Trip odom eter
Di stanc ewarni ng(warning lamp)....279
DI STRONIC PLUS
Activating .......................................172
Activatio ncondition s..................... 172
Cru isecontrol lever....................... 172
Deactiva ting....... ............................ 176
Displ aymessa ge............................ 261
Displ aysin the multifunctio n
dis pla y........................................... 173
Driving tips.................................... 177
Function/notes .....................169,171
Importa ntsafe tynotes .................. 169
Setting thespeci fiedminimu m
dis tance ......................................... 176
Warni nglamp ....... ....... .............. ..... 279
Do ors
Automa ticlocking (on-board
compu ter)...................................... 235
Automa ticlocking (switch) .............. .79
Cen tral loc kin g/unlo cking
(Sm artKey) .......................................7 2
Con trol pan el................................... 35
Displ aymessa ge............................ 266
Emergency locking........................... 80
Emergency unlocking ....................... 80
Importa ntsafe tynotes .................... 78
Openi ng(from inside)...................... 79
Do wnh illSpee dRegula tion
see DSR(Do wnh illSpe edRegulat ion) Drink
ingand driving ......................... 158
Drin kshol der
see Cuph older
Driver's door
see Doors
Driver's seat
see Seats
Driving abroad
Mercedes-B enzServic e................. 318
Symmetri callow beam.................. 108
Driv inginmountain ousterrain
Approa ch/dep artureangl e............ 166
Driv inglamps
see Daytime running lamps
Driv ingoff-road
see Off-road driving
Driv ingsafety systems
4ETS (Electroni cTracti onSystem) ...63
ABS (Anti-lock BrakingSystem) .......61
ADAPTIVE BRAKE............................. 65
BAS (Brake AssistSystem) .............. 61
BAS PLUS (Brake AssistSystem
PLUS) .............................. .................6 2
Ele ctroni cbrake force distributio n... 65
ESP ®
(Ele ctronic Stability
Progra m).......................................... 63
Importa ntsafe tyinforma tion........... 61
Overvi ew.......................................... 60
PRE-SAFE ®
Brake .............. ...............65
STEER CONTR OL............................. 67
Driv ingsyste ms
Active BlindSpotAssist ................. 202
Active Curve System ...................... 181
Active Driving Assistance
packa ge......................................... 202
Active LaneKeepingAssist ............ 205
Active ParkingAssist ..................... 186
ATTENTION ASSIST........................ 194
Blind SpotAssist ..................... ....... 198
Cru isecontrol ................................ 167
Displ aymessa ge............................ 258
DISTRONI CPLUS ........................... 169
HOLD function ............................... 179
Lane KeepingAssist ...................... 200
Lane Tracki ngpacka ge.................. 198
Level control (vehiclewith
AIRMATIC package)....................... 1818
In
dex

Lane
detection (autom atic)
see LaneKeeping Assist
Lane Keeping Assist
Ac tivat ing/deac tivating................. 233
Displ aymessa ge............................ 259
Function/inform ation.................... 200
Lane Tracking package..................... 198
LA TCH-type (ISOF IX)childseat
ancho rs................................................ 57
Le vel control (display messag e)...... 258
Le vel control (vehiclewith
AI RMATIC package )
Basi csettings ................................ 182
Function/notes ............................. 181
Importa ntsafe tynotes .................. 181
Lic ens eplate lamp(display
messag e)............................................ 252
Lig hting
see Ligh ts
Lig hts
Activating/d eactivating the
interio rlight ingdelayed switch-off.2 35
Automa tichea dlamp mode ............ 110
Displ aymessa ge............................ 250
Driving abroad ............................... 108
Hazard warning lamps ................... 111
High beamflasher .......................... 111
High-b eamheadlamps ................... 111
Ligh tswitc h................................... 108
Low-b eamheadlamps .................... 109
Parki nglamps ................................ 108
Rea rfog lamp ................................ 110
Setting thebrightness ofthe
amb ient lighting (on-boa rd
compu ter)...................................... 234
Setting thecolor ofthe amb ient
lig hting (on-boa rdcompu ter)......... 235
Switchi ngAdap tiveHighb eam
Assist on/off ................................. 234
Switchi ngthe daytime running
la mps on/off (on-boa rd
compu ter)...................................... 234
Switchi ngthe daytime running
la mps on/off (switch) .................... 109
Switchi ngthe exterio rlight ing
delayed switch-offon/ off(on-
board computer )............................ 235Switchi
ngthe surro undlighting
on/off (on-boa rdcompu ter).......... 235
Turn signa ls................................... 111
see Changing bulbs
see Interior lighting
Lig htsen sor (display messag e)....... 253
Lo ading guidelines ............................ 284
Lo cki ng
see Centra llockin g
Locking (doors)
Automat ic........................................ 79
Emergency locking........................... 80
From inside(central locking
button) ............................................. 79
Lo cki ng centrally
see Centra llockin g
Locking verification signal(on-
board comput er)............................... 236
Lo w-be amheadlamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 250
Setting fordrivi ngabr oad
(sy mmetrica l)................................. 108
Switchi ngon/off ........................... 109
Lugg ageholde r(EASY-P ACKload-
secur ingkit).................................... ...2 91
Lumbar support ................................... 99 M
M+S
tires ...................................... ...... 352
Mainte nance
see ASSYST PLUSserviceinterva l
dis pla y
Malfunc tionmessag e
see Displ aymessa ges
Malfunc tionsrele vant tosafety
Rep orting ......................................... 25
Matte finish(clean ing
ins truction s)...................................... 320
mbrace Callprio 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 12
In
dex

i
If
depres singthebrake pedalthe first
time does notactivate theHOLD function,
wait briefly andthen tryagain. G
WARNING The
vehicle's brakesareappli edwhen the
HOLD functionisactivated. Forthis reason,
deactivate theHOLD functionifthe vehicle is
to be set inmotion byother means (e.g.ina
car wash orby towing).
Deactivating theHOLD function The
HOLD functionisdeactivated
automatically if:
R you accelerate andthetransmission isin
position Dor R.
R the transmission isin position P.
R you apply thebrakes againwithacertain
amount ofpressure until HOLD disappe
ars
from themultifunction display.
R you secure thevehicle usingtheelectric
parking brake.
R you activate DISTRONIC PLUS. i
Aft
eratime, theelectric parking brake
secures thevehicle andrelieves theservice
brake. G
WARNING Never
getout ofthe vehicle whentheHOLD
funct ionisactivated.
The HOLD functionmust never beoperated
or deactivated byapassenger orfrom outside
the vehicle.
The HOLD functiondoes notreplace the
electric parking brakeandmust notbeused
for parking.
The braking effectofthe HOLD functionis
canceled andthevehicle couldrollaway if:
R the HOLD functionisdeactivated by
depressing theaccelerator pedalorthe
brake pedal.
R there isamalfunction inthe system oran
interruption inthe power supply,e.g.
battery failure. R
the electrical systeminthe engine
compartmen t,the battery orthe fuses are
tampered with.
R the battery isdisconnec ted.
The electric parking brakeautomatically
secures thevehicle ifthe HOLD functionis
activated and:
R the driver's doorisopen andthedriver's
seat beltisunfastened.
R the engine isswitched off.
R asystem malfunction occurs.
R the power supply isnot sufficient.
On steep uphillordownhill inclinesorifthere
is amalfunction, thetransmission mayalso
automatically beshifted intoposition P. AIRMATIC
package
General notes AIRMATIC
enablesasuspension tuning
settin gto be selected andregulates the
damping behaviorandlevel ofyour vehicle.
The system comprises aminimum oftwo
componen ts:ADS (Adaptive Damping
System) (Ypage 180)andlevel control
(Y page 181). Yourvehicle mayalsobe
equipp edwith theActive Curve System
(Y page 181).
Observe thenotes ondriving withatrailer
(Y page 210).
ADS (Adaptive DampingSystem) General
notes
ADS adapts thedamping characterist icsto
the current operating anddriving situation.
This depends on:
R your driving style
R the road surface condition s
R the ADS settin g
R the vehicle levelsettin g
Your selection remainsstoredevenifyou
remove theSmartK eyfrom theignition lock. 180
Driving
systemsDriving and parking

X
Start theengi ne.
Spo rtstuni ng
The firmer suspe nsio ntunin ginS port mode
ensures evenbettercon tact with theroad.
Select thismode whenemploying asport y
drivin gstyle, e.g.onwinding countryroads.
X Press button:.
Indic atorlamp ;lights up.Sport s
suspension tuningis select ed.The vehicle
is lowered by0.6 in(15 mm).
Comfor ttuning
In Comfort mode,thedrivin gcharac teristics
of your vehicle aremore comfortable. Select
this mode ifyou favor amore comfor table
driving style,butalso when driving faston
straight roads,e.g.freeways.
X Press button :.
Indicat orlamp =lights up.Comfort tuning
is selected. Thevehicle israised by
0.6 in(15 mm).
Active CurveSystem The
Active Curve System usesactive
stabilizers tooptimize bothdriving comfort
and vehicle agility.Dependin gon the ADS
mode selected (Ypage 180), theActiveCurve
System alsochanges thesetting.
If you select ADScomfor tmode:
R rolling movemen tisreduced inthe event of
changing surfaceundulations
R the rollangle whencornering isreduced
R the driving styleisagile If
you select ADSsport mode:
R the rollangle isreduced significantly
R the driving styleiseven more agile
Leve lcontrol Importa
ntsafety notes
Level controladap tsthe vehicle level
automaticall yto the current operating and
driving situation. Thisresults inreduced fuel
consumption andimproved handling.
If you select ADScomfort mode
(Y page 180), thevehicle islowered tohigh-
speed levelasthe speed increases. Asthe
vehicle decelerates, thevehicle israised back
up tohighwa ylevel.
If you select ADSsport mode (Ypage 180),
the vehicle skipshighwa ylevel andlowers
directly tohigh-speed leveldepending onthe
basic setting (Ypage 182).
Make changes tothe vehicle levelwhile the
vehicle isin motion. Thisenables thevehicle
to adjust tothe new level asquickly as
possible .
The vehicle levelmaychange visiblyifyou
park thevehicle andtheoutside temperature
changes. Ifthe temperature drops,the
vehicle levelislower; withanincrease in
temperature, thevehicle levelrises.
If you unlock thevehicle oropen adoor, the
vehicle beginstocompensate forload
discrepancies whilestillparked. However, for
significant levelchanges, suchasafter the
vehicle hasbeen stationary foralong period,
the engine mustbeon. For safety reasons,
the vehicle isonly lowered whenthedoors are
closed. Lowering isinterrupted ifadoor is
opened, anditcont inues oncethedoor has
been closed. G
WARNING Make
surenoone isnear thewheel housing
or under thevehicle whenyoulower the
vehicle whileitis standing still.Limbs could
become wedgedintoorunder thevehicle. Driving
systems
181Driving and parking
Z

Dri
vin gsys tems Disp
laymessa ges Poss
iblecauses/ conse quences andM Solu
tions À
Att
ention Assist: Dro
wsiness Det
ected Bas
edon spe cific criteri a,AT TENTI ON ASSIST has determ ined that
th edri ver istired orpayin gles sat te nt ion .Aw arning tone also
soun ds.
X Ifne ces sary, takeabreak .
Dur inglongjo urn eys, takereg ular break sin good timeso you get
en ough rest. À
Att
ention Assist Ino
perative AT
TENTI ON ASSIST has faile d.
X Visi taqu alified specialist workshop. Á
Drive
MoreSlowly You
cann otchang ethe vehicle level.Possible causesare:
R you aredrivin gtoo fast forthe select edvehicle level.
R you aretowin gatrailer.
R the trailer- coupling socketisbeing used,e.g.forabicycle rack.
X Driv emore slowly andthen select thedesired vehiclelevelagain
(Y page 181).
X Observ ethe noteson towin gatra iler (Y page 210) . Á
Com
pressorIs Coo
ling Yo
uha ve selected ahigh er veh iclelevel .The compressor first
needs tocool down because offrequent levelchanges.
X Drive inamanner appropria tefor the current vehiclelevel.
X Make surethatthere issufficient groundclearance.
X Allow thecompressor tocool down.
When thecompressor hascooled down,thedispla ymessage
disappe ars.Thevehicle thencontinues rising tothe selected
level. Á
Malfunction AIRMATIC
ismalfunctionin g.
X Drive inamanner appropria tefor the current vehiclelevel,but
no faster than50mph (80km/h).
X Make surethatthere issufficient groundclearance.
X Have thevehicle checkedataqual ified specialist workshop. The
Active Curve System isfaulty. Thevehicle's handling
characterist icsmay beaffected.
X Do not drive faster than50mph (80km/h).
X Have thevehicle checkedataqual ified specialist workshop. 258
Display
messagesOn-board computer and displays

Tire
s Al
l-w eath ertire s Al
loyw hee ls V1 V2
BA 255/55
R18105HM+S 8.0
Jx 18 H2
Whee loffset: 2.21in(56 mm) # #
BA 255/50
R19107HXL M+S 8.0
Jx 19 H2
Whee loffset: 2.21in(56 mm) # #
BA
255/50
R19107HXL M+S 30 8.5
Jx 19 H2
Whee loffset: 2.32in(59 mm) # #
BA
255/50
R19107HXL M+S 30 8.5
Jx 19 H2
Offset: 2.44in(62 mm) # #
BA 255/50
R19107HXL M+S
MOExtended 31 8.0
Jx 19 H2
Whee loffset: 2.21in(56 mm) # #
BA 255/50
R19107HXL M+S
MOExtended 30,
31 8.5
Jx 19 H2
Whee loffset: 2.32in(59 mm) # #
BA 255/50
R19107HXL M+S
MOExtended 30,
31 8.5
Jx 19 H2
Offset: 2.44in(62 mm) # #
BA
265/45
R20108HXL M+S 30 9.0
Jx 20 H2
Whee loffset: 2.24in(57 mm) # #
BA 265/45
R20108HXL M+S
MOExtended 30,
31 9.0
Jx 20 H2
Whee loffset: 2.24in(57 mm) # #
BA
265/40
R21105YXL 30 9.0
Jx 21 H2
Whee loffset: 2.09in(53 mm) # #
Winte
rtires 32 All
oy whe els V1 V2
BA 255/55
R18105HM+S i 8.0
Jx 18 H2
Whee loffset: 2.21in(56 mm) # #
BA 255/50
R19107HXL M+S i 8.0
Jx 19 H2
Whee loffset: 2.21in(56 mm) # #
BA
255/50
R19107HXL M+S i 30 8.5
Jx 19 H2
Whee loffset: 2.32in(59 mm) # #
30
Use ofsnow chainsnot permi tted.Obser vethe notes inthe "Snow chains"section.
31 MOExtended tires(tires featuringrun-fla tcharacteristics) onlyincombination withanactivated tirepressure
loss warning systemortire pressure monitor.
32 Not availa blefrom thefactory. Wheel
andtirecombinations
377Wheels and tires Z

Winter
tires32 All
oy whe els V1 V2
BA 255/50
R19107HXL
M+Si MOExtended 31 8.0
Jx 19 H2
Whee loffset: 2.21in(56 mm) # #
BA 255/50
R19107HXL
M+SiMOExtended 30,
31 8.5
Jx 19 H2
Whee loffset: 2.32in(59 mm) # #
"Mini
spare" emerge ncyspare wheel30 Tires Wheel
s V1 V2
T
155/90 R18113M
Tire pressu re:420 kPa(4.2 bar/61 psi) 4
B x18 H2
Whee loffset: 1.58in(40 mm) # #
i
The
speci fiedtirepressu reisprinted inyel low onthe emerge ncysparewhe el.
32 Not available from thefactory.
31 MOExtended tires(tires featuringrun-fla tcharacteristics) onlyincombination withanactivated tirepressure
loss warning systemortire pressure monitor.
30 Use ofsnow chains notpermitted. Observethenotes inthe "Snow chains" section. 378
Wheel
andtirecombinationsWheels and tires