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

Inde
x......................... ......................... .....4 Int
rod uction ....... .................................. 21 At
ag lance ........................................... 27 Safet
y................................................... 37 Opening/closing
................................. 71 Seats,
steering wheelandmirrors.... 93 Lights
andwindshield wipers.......... 107 Climat
econtrol ................................. 121 Driving
andparking .......................... 137 On-boar
dcompu terand displa ys.... 221 Stowing
andfeatures ....................... 283 Maint
enance andcare ...................... 311 Br
eakdown assistance..................... 327 Wheels
andtires ............................... 349 Technical
data................................... 379 Contents
3

Assis
tance men u(on-boa rd
comp uter) .......................................... 232
ASS YST PLUS
see ASSYST PLUSserviceinterva l
dis pla y
ATA (Anti-Theft Alarm syste m)
Activating/d eactivating ................... 68
Function ...........................................68
Swi tching offthe alarm .................... 68
ATTENTIO NASSIST
Act ivating/deact ivating................. 232
Displ aymessa ge............................ 258
Function/notes ............................. 194
Audio menu(on-bo ardcomputer) ....229
Audio system
see sepa rateoperating instructio ns
Authori zedMerce des-Be nzCenter
see Qualified speci alist worksh op
AUTO lights
Displ aymessa ge............................ 253
see Ligh ts
Automatic headlampmode.............. 110
Automatic transmission
Cha nging gear............................... 146
DIRECT SELECT lever..................... 144
Displ aymessa ge............................ 265
Driving tips.................................... 147
Emergency runningmode.............. 149
Kickdow n....................................... 147
Prob lem(malfunction) ................... 149
Pul ling away ................................... 141
Shift range s................................... 147
Starting theengine ........................ 140
Steering wheelpad dleshifte rs...... 147
Trai lertowi ng................................. 147
Transmi ssionposition display ........145
Transm issionposi tions .................. 146
Automatic transmission
emerge ncymode ............................ ...149 B
Back
support
see Lumb arsup port
Backup lamp
Displ aymessa ge............................ 252
Bag hook............................................ 288Ball
couplin g
Install ing........................................ 214
Rem oving ....................................... 218
Storing ........................................... 218
BAS (Brake AssistSyste m)................. 61
Basic settings
see Settings
BAS PLUS(Brake AssistSyste m
PLU S).................................................... 62
Battery (SmartKe y)
Che cking .............. ............................ 76
Importa ntsafe tynotes .................... 75
Rep lacing ......................................... 76
Battery (vehicle)
Cha rging ........................................ 340
Displ aymessa ge............................ 256
Importa ntsafe tynotes .................. 338
Ju mp starting ................................. 341
Belt
see Seat belts
Blin dSpot Assist
Activa ting/d eactiva ting................. 232
Notes/fu nction.............................. 198
Trai lertowi ng................................. 200
see Active BlindSpotAssist
BlueTE C(D EF ).................................... 387
Brake AssistSyste m
see BAS (Brake AssistSystem)
Brake fluid
Displ aymessa ge............................ 244
Notes ............................................. 389
Brake fluidlevel................................ 316
Brake lamps
Cha nging bulbs.............................. 117
Displ aymessa ge............................ 251
Brakes
ABS .................................................. 61
BAS .................................................. 61
BAS PLUS ........................................ 62
Brake fluid(notes) ......................... 389
Displ aymessa ge............................ 239
Driving tips.................................... 159
Importa ntsafe tynotes .................. 159
Mai ntenance .................................. 160
Warni nglamp ....... ..................... ..... 271 In
dex
5

Break
down
see Flattire
see Towing away
Bu lbs
see Changin gbulbs C
Califor
nia
Impo rtant notice forretail
cust omer sand lesse es.................... 22
Call ingupamalfunc tion
see Displ aymessa ges
Capac ities
see Techni caldata
Car
see Vehi cle
Care
Carpets .......................................... 325
Ca rwa sh ....... .............. .............. ..... 318
Displ ay........................................... 323
Exterior lights ................................ 322
Gea rorselecto rlever .................... 324
Matte finish................................... 320
Nigh tView AssistPlus ................... 323
Notes ............................................. 318
Pai nt.............................................. 320
Pla stic trim .................................... 323
Pow erwa sher ................................ 319
Rea rview came ra.......................... 322
Roo flini ng ....... ............................ ...325
Seat belt........................................ 324
Seat cover ..................................... 324
Sensors ......................................... 322
Steering wheel............................... 324
Trim pieces .................................... 324
Was hing byhand ........................... 319
Whee ls........................................... 320
Windo ws........................................ 321
Wip erbla des .................................. 321
Wood entrim .................................. 324
Cargo compartm entcover ............... 289
Cargo compartm entenlargemen t... 287
Cargo compartm entfloor
Openi ng/closi ng............................ 292
Stowag ewell(under) ..................... 292Cargo
net
Attaching ....................................... 290
Importa ntsafe tyinforma tion......... 290
Cargo tiedow nrings ......................... 288
Car wash (care) ................................. 318
CD player/ CDchang er(on-bo ard
co mputer) .......................................... 230
Ce llphone
see Mobi lephone
Ce nter conso le
Lowe rsect ion .................................. 33
Uppe rsect ion .................................. 32
Ce ntral locking
Automa ticlocking (on-board
compu ter)...................................... 235
Locking/u nlocking(SmartKe y)........ 72
Chang ingbulb s
Brake lamps ................................... 117
High-b eamheadlamps ................... 116
Importa ntsafe tynotes .................. 114
Low-b eamheadlamps .................... 116
Overvi ewofbul btypes .................. 115
Parki nglamps ................................ 116
Rem oving/re placing thecover
(front wheelarch) .......................... 115
Side marker lamps ......................... 117
Standing lamps (front) ................... 116
Chi ld-proof locks
Importa ntsafe tynotes .................... 59
Rea rdoors ....................................... 59
Chi ldren
In the vehi cle................................... 54
Res traint systems ............................ 54
Chi ldseat
LATCH-typ e(ISOFIX) childsea t
anchors .................................... ...... .. 57
Specia lseat belt retractor ............... 56
Top Tether ....................................... 58
Ci garette lighter ................................ 296
Cl eani ng
Trai lertow hitch ............................. 322
Cli mate control
3-zone automatic climatecontrol ..126
Control lingautomatica lly............... 129
Coo ling with aird ehumidification ..128
Defrosting thewindows ................. 132
Defrosting thewindshi eld.............. 131 6
In
dex

Night
ViewAssist Plus................... 195
PARKT RONIC................................. 183
Rea rview came ra.......................... 190
Driv ingtips
Automa tictransmis sion................. 147
Brakes ........................................... 159
Break-in period.............................. 138
DISTRONI CPLUS ........................... 177
Downhi llgrad ient........................... 159
Drinking anddriving....................... 158
Driving abroad ............................... 108
Driving inwinter .............................162
Driving onfloo ded road s................ 161
Driving onsand .............................. 165
Driving onwet road s...................... 161
Driving overobsta cles................... 165
Exhaus tcheck ............................... 158
Fuel .............. ..................... ............. 158
Gene ral.......................................... 157
Hydr oplaning ................................. 161
Icy road surfaces........................... 162
Limi tedbraking effici ency on
sal ted road s................................... 160
Off-road driving.............................. 163
Off-road fording............................. 161
Ped als. ........................................... 158
Snow chains.................................. 353
Symmetri callow beam.................. 108
Tire ruts ......................................... 165
Tow ingatrail er.............................. 210
Trave linguphill....... ....... ....... ..........166
Wet road surface........................... 159
DSR (Dow nhil lSpee dRegula tion)
Dis play mess age............................ 259
Function/notes ............................. 208
DVD audio (on-bo ardcomputer) ......230
DVD video(o n-bo ardcomputer) ......230 E
EA
SY-E NTRY feature
Activating/d eactivating ................. 236
Function/notes ............................. 102
EA SY-E XITfeature
Cra sh-resp onsive........................... 102
Function/notes ............................. 102
Switchi ngon/off ........................... 236
EA SY-P ACKload-s ecuring kit........... 291EBD
(elec tronic brakeforce
distributi on)
Displ aymessa ge............................ 241
Function/notes ................................65
Ele ctric alfuses
see Fuse s
Ele ctroni cbrake forcedistributi on
see EBD (electronic brakeforce
dis tribu tion)
Ele ctroni cStabil ityProgram
see ESP®
(Electroni cStab ility Pro gram)
El ec tron icTrac tionSys tem
se e4ETS (Electr onicTra ctio nSy ste m)
Eme rgencyr elease
Dr iver 'sdoor .................................... 80
Vehi cle............................................. 80
Emerge ncyspare wheel
Storage location ............................ 329
Emerge ncyTensi oningDevic es
Function .............. ..................... ........53
Safe tyguideline s............................. 39
Emerge ncyunlo cking
Tai lga te............................................ 84
Emis sions purific ation
Service andwarranty informa tion....21
Eng ine
Che ckEngine warning lamp ....... ....276
Displ aymessa ge............................ 254
Emergency starting........................ 345
Engine number....... ........................382
Irregu larr unn ing............................ 143
Starting problems .......................... 143
Starting theengine withthe
SmartKey ....................................... 140
Starting with KEYLESS-GO .............141
Switchi ngoff .................................. 155
Eng ineelectroni cs
Prob lem(malfunction) ................... 143
Eng ineoil
Addi ng........................................... 314
Additi ves........................................ 388
Che cking theoilleve l....... .............. 313
Che cking theoilleve lusi ng the
dip stick .......................................... 313
Displ aymessa ge............................ 256
Fill ing capa city............................... 384
Notes aboutoil grad es....... ............ 388 In
dex
9

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
Mec hanic alkey
Function/notes ............................ ....75
Locking vehicle................................ 80
Unlocking thedrive r'sdoor .............. 80
Memory card(audio )......................... 230
Memory function ............................... 105
Mess agememory (on-bo ard
co mputer) .......................................... 238
Mess ages
see Displ aymessa ges
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vani tymirror
Mobi lephone
Menu (on-boa rdcompu ter)............ 230
Modify ingthe programming
(SmartKe y)........................................... 74
MOEx tendedrun-flat system........... 338
MP3 Opera ting.......................................2 30
see sepa rateoperating instructio ns
Multifun ctiondisplay
Function/notes ............................. 224
Perma nentdispla y......................... 234
Multifun ctionstee ring wheel
Opera tingtheon-boa rdcompu ter.2 23
Overvi ew.......................................... 31N
Navigati
on
Menu (on-boa rdcompu ter)............ 228
On-boa rdcompu ter....................... 228
see sepa rateoperating instructio ns
Night ViewAssistPlus
Activating/d eactivating ................. 196
Cl eani ng....... .................................. 323
Function/notes ............................. 195
Prob lem(malfunction) ................... 198Notes
onbreaki ng-inan ew
vehicle ................................................ 138 O
Occ
upant Classi fication System
(OC S)
Fau lts............................................... 48
Opera tion............ ...... .......................4 4
Sys tem self-test ............................... 47
Occ upant safety
Chi ldre nint he vehicle ..................... 54
System overview.............................. 38
Octan enumbe r(fuel) ........................ 386
Odome ter........................................... 227
see Trip odome ter
Off-road driving
Che cklist afterdrivingoff-roa d...... 164
Che cklist beforedrivi ngoff-roa d.... 164
Gene ralinforma tion....................... 163
Importa ntsafe tynotes .................. 162
Trave linguphill....... .............. ..........166
Off-road system
4MATIC .......................................... 208
DSR ............................................... 208
Oil
see Engine oil
On-b oard computer
Assista ncemenu ........................... 232
Audi omenu ................................... 229
Conve nience submenu .................. 236
Displ aying aservi cemessa ge........ 317
Displ aymessa ges.......................... 238
DISTRONI CPLUS ........................... 173
Factory settings submenu ............. 237
Importa ntsafe tynotes .................. 222
Instrument clustersub menu .......... 233
Ligh ting submenu .......................... 234
Menu overview.............................. 226
Messa gememory .......................... 238
Navi gationmenu ............................ 228
Opera tingvideoDVD ..................... 230
Opera tion.............. .........................223
Service menu................................. 233
Settings menu............................... 233
Standard displa y............................ 227
Tel epho nemenu ............................ 230 In
dex
13

Swi
tching seatheating on/off......... 99
Switchi ngsea tventila tionon/off ..100
Sec uring hooks....... ..................... ...... 288
Sen sors (clean inginstruction s)....... 322
Servi ce
see ASSYST PLUSserviceinterva l
dis pla y
Servi ceinte rval display
Displ aying servi cemessa ges......... 317
Hidi ngservi cemessa ges............... 317
Notes ............................................. 318
Service messages.......................... 317
Servi cemenu (on-bo ardcomputer) .233
Servi ceproducts
Brake fluid..................................... 389
Ca paci ties ...................................... 384
Coo lant (engi ne)............................ 389
DEF speci aladd itive s..................... 387
Engine oil....................................... 388
Fuel ................................................ 385
Importa ntsafe tynotes .................. 382
Ref rige rant (air-condi tioning
sys tem) .......................................... 389
Was herfluid.......................... .........3 90
Settin gs
Factory (on-boardcompu ter)......... 237
On-boa rdcompu ter....................... 233
Settin gthe airdistribu tion............... 130
Settin gthe airflo w............................ 131
Side impact airbag ............................. 43
Side marker lamp(display
messag e)............................................ 252
Side marker lamps(changi ng
bulb s)................................................. 117
Side window s
Conve nience closingfeatu re............ 86
Conve nience openingfeatu re.......... 86
Importa ntsafe tyinforma tion........... 85
Openi ng/closi ng.............................. 85
Prob lem(malfunction) ..................... 87
Res etting ......................................... 87
Sli ding sunroo f
Importa ntsafe tynotes .................... 88
Openi ng/closi ng.............................. 89
Prob lem(malfunction) ..................... 91
Res etting ......................................... 89
see Panor amaroofwith pow er
tilt/sl iding pane l SmartKey
Cha nging thebattery ....................... 76
Cha nging theprogr ammi ng............. 74
Che cking thebattery ....................... 76
Conve nience closingfeatu re............ 86
Conve nience opening featu re.......... 86
Displ aymessa ge............................ 267
Door central locking/u nlocking.......72
Importa ntsafe tynotes .................... 72
Loss ................................................. 77
Mecha nicalkey................................ 75
Posi tions (ignition lock)................. 139
Prob lem(malfunction) ..................... 77
Starting theengine ........................ 140
Sno wchai ns
Informati on.................................... 353
Soc kets
Lugg agecompa rtment ................... 298
Poi nts toobse rvebefo reuse ......... 297
Rea rcompartmen t......................... 297
Spare wheel
Notes/da ta.................................... 377
Storage location ............................ 329
see Emergency sparewhe el
Spec ialistwo rkshop ............................ 25
Spee d,controll ing
see Cruisecontrol
Spee dometer
Digita l............................................ 227
In the Instrument cluster................. 29
Segments ...................................... 223
Selecti ngthe unit of
meas urement................................ 233
see Instrument cluster
SRS (Supple mentalRestrain t
Syste m)
Displ aymessa ge............................ 246
Introducti on..................................... 38
Warni nglamp ....... ..................... ..... 275
Warni nglamp (function) ................... 38
Standing lamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 252
Switchi ngon/off ........................... 108
Starting (engi ne) ....... .........................140
Station
see Radio
STEE RCONT ROL .................................. 6716
In
dex

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

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

Cha
nge ofaddress orcha nge of
owner ship
In theeve ntofach ang eof addre ss,please
sen dus the"Chan geofAd dres sNot ice"
foun din theSer viceand Warr anty
In for mat ionBoo klet,or sim plycall the
Mer cedes-Ben zCust ome rAssistance Center
(in the USA) atthe hotline number
1-80 0-FOR-ME RCedes(1-800- 367-6372) or
Customer ServiceCenter(inCanada )at
1-80 0-387-0100.This willassist usin
cont acting youinatimely manner shouldthe
need arise.
If you sellyour Mercedes, pleaseleavethe
entire literature inthe vehicle sothat itis
avail able tothe next owner.
If you bought thisvehicle used,besure to
send inthe "Notice ofPurchase ofUsed
Truck" foundinthe Service andWarranty
Information Booklet,orcall theMercedes-
Benz Customer Assistance Center(inthe
USA) at
1-80 0-FOR-ME RCedes(1-800- 367-6372) or
Customer Service(inCanada )at
1-80 0-387-0100. Vehicle
operation outsidetheUSA
and Canada
If you plan tooperate yourvehicle inforeign
countries, pleasebeawa rethat:
R service facilities orreplacement partsmay
not bereadil yavail able.
R unleade dfuel forvehicles withacatalytic
convert ermay notbeavail able. Leaded fuel
may cause damage tothe catalytic
convert er.
R the fuel may have aconsiderably lower
octane rating.Unsuitable fuelcancause
engine damage .
Some Mercedes-Benz modelsareavail able
for delivery inEurope through ourEuropean
Delivery Program. Fordetails, consult an
authorized Mercedes-Benz Centerorwrite to
one ofthe followi ngaddresses. In
the USA Mercedes-Benz
USA,LLC
European DeliveryDepartment
One Mercedes Drive
Montvale, NJ07645 -0350
In Canada Mercedes-Benz
Canada,Inc.
European DeliveryDepartment
98 Vanderhoof Avenue
Toronto, OntarioM4G4C9 Sport
Utility Vehicle G
WARNING This
Sport Utility Vehicle isdesigned forboth
on-road andoff-road use.Itcan goplaces and
perform tasksforwhich conven tional2-wheel
drive passenger carsarenot intended. This
vehicle willhandle andmaneuver differently
from conven tionalpassenger carsindriving
conditions whichmayoccur onstreets,
highwa ysand off-road use.
This vehicle hasahigher ground clearance
and ahigher centerofgravity thanmany
passenger cars.Aswith other vehicles ofthis
type, ifyou make sharp turnsatexcessive
speeds orabrupt maneuvers, thevehicle may
roll over ormay goout ofcont roland crash.
Utility vehicles haveasignificantly higher
rollover ratethan other types ofvehicles.
Failure tooperate thisvehicle safelymay
result inan accident, rolloverofthe vehicle,
and severe orfatal injury.
Before youstart todrive thisvehicle, readthe
Operator's Manual.Take timeto bec ome
fam iliar with thedriv ingcharac terist ics ofthis
veh icle.Besure youarefamiliar withall
vehicle controls. Learn howyour vehicle
handles ondifferen troad surfaces. Donot
attempt sharpturnsatexcessive speedsor
abrupt maneuvers orother unsafe driving
actions thatcancause lossofvehicle control.
When driving off-road orworking thevehicle Introdu
ction
23 Z

hard,
donot overload it.And, alwayswear
your seatbelts atall times. Inarollover crash,
an unbelted personissignificantly morelikely
to die than aperson wearing aseat belt. Operat
ingsafety Safety
notes G
WARNING Work
improperly carriedoutonelectronic
componen tsand associated softwarecould
cause themtocease functioning. Because the
vehicle's electronic componentsare
interc onnec ted,anymodifications mademay
produce anundesired effectonother
systems. Electronicmalfunctions could
seriously impairtheoperating safetyofyour
vehicle.
Contact anauthorized Mercedes-Ben zCent er
for repairs ormodificat ionstoelectr onic
compon ents.
Other improper workormodificat ionsonthe
vehicle couldalsohave anegativ eimpact on
the operatin gsafety ofthe vehicle.
Some safety systems onlyfunction when the
engine isrunn ing.You should thereforenever
turn offthe engine whiledriving. G
WARN
ING Heavy
blowsagainst thevehicle underbody or
tires/ wheels maycause serious damage and
impair theoperatin gsafety ofyour vehicle.
Such blows canbecaused, forexample, by
runn ingover anobstacle, roaddebris ora
pothole.
If you feel asudden significantvibration or
ride disturbanc e,or you suspect thatdamage
to your vehicle hasoccurr ed:
R turn onyour hazard warning flashers.
R slow down carefully.
R drive withcaution toan area which isasafe
distanc efrom theroad.
Inspec tthe vehicle underbody andtires/
wheels forpossible damage. Ifthe vehicle appea
rsunsafe, haveittowed tothe nearest
authorized Mercedes-Ben zCent eror other
qualified maintenanc eor repair facility for
furth erinspect ionorrepairs. On-boar
ddiagnost icinter face G
WARN
ING If
you connectequipmen tto the on-board
diagnos ticsint erfac e,itcan affec tthe
operat ionofthe vehic lesyste ms.This can
impair theoperat ingsafet yofyour vehicle
while driving. Thereisarisk ofaccident .
Do not conn ectany equipment tothe on-
board diagnostics interface. G
WARNING Loose
equipment orequipment cableswhich
are conn ected tothe on-board diagnostics
interf acecan obstruct thearea around the
pedals. Theequipment orthe cables couldget
between thepedals inthe event ofsudden
braking oracceleration. Youmay then no
longer beable tobrake, operate theclutch or
accelerate asinten ded.There isarisk of
accident .
Do not attach anyequipment orcables inthe
driver footwell.
Connect ingequipment tothe on-board
diagnostics interfacecan lead toemissions
monit oringinformat ionbeing reset. Thismay
lead tothe vehicle failingtomeet the
requirements atthe next special emissions
test ormain inspect ion.
If the engine isswitched offand equipment
on the on-board diagnostic interfaceisused,
the start erbattery maydischarge.
The on-board diagnostics interfaceisonly
inten dedforthe conn ection ofdiagnostic
equipment ataquali fiedspecialist workshop. 24
Introdu
ction