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

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

H
Handbrake
see Parking brake
Hazard warninglamps ...................... 111
Headlamp cleani ngsyste m
Notes ............................................. 390
Headlamps
Addi ngfluidto clea ning system ..... 315
Cl eani ngsys tem (function) ............ 110
Foggi ngup ..................................... 113
see Automa tichea dlamp mode
Head restraints
Adjusting ......................................... 97
Adjusting (electrical ly). .................... 97
Adjusting (manual ly). ....................... 97
Adjusting (rear)................................ 97
Install ing/remo ving(rear)................ 98
Heatin g
see Clima tecontrol
High-b eamheadlamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 251
Switchi ngAdap tiveHighb eam
Assist on/off ................................. 112
Switchi ngon/off ........................... 111
Hill start assist.................................. 142
HOLD function
Displ aymessa ge............................ 259
Function/notes ............................. 179
Hoo d
Cl osing .............. ............................ .313
Displ aymessa ge............................ 266
Openi ng......................................... 312
Hydroplan ing..................................... 161I
Immobi
lizer.......................................... 68
Indi cator lamps
see Warni ngand indicator lamps
Indi cators
see Turn signa ls
Ins ectp rote ction onthe radi ator.... 313
Ins trument cluster
Overvi ew.......................................... 29
Settings ......................................... 233
Warni ngand indicator lamps ........... 30Ins
trument cluster lighting ................ 29
Ins trument lighting
see Instrument clusterlighting
Inte rior lighting
Automa ticcontrol .......................... 113
Dela yedswi tch-off (on-boa rd
compu ter)...................................... 235
Emergency lighting ........................ 114
Manu alcontrol ............................ ...114
Overvi ew........................................ 113
Rea ding lamp ................................. 113
Setting thebrightness ofthe
amb ient lighting (on-boa rd
compu ter)...................................... 234
Setting thecolor ofthe amb ient
lig hting (on-boa rdcompu ter)......... 235
see Interior lighting J
Jack
Storage location ............................ 328
Using ............................................. 334
Jump starting (engi ne) ...................... 341 K
Ke
y
see SmartKey
KE YLESS -GO
Conve nience closingfeatu re............ 87
Displ aymessa ge............................ 267
Locking ............................................ 73
Start/Stop button.......................... 139
Starting theengine ........................ 141
Unlocking ................................... ...... 73
Ke yp osit ions
KE YLE SS-GO .................................. 139
SmartKey ....................................... 139
Ki ckdo wn
Driving tips.................................... 147
Kne ebag .............................................. 42 L
Lamps
see Warni ngand indicator lamps
Lane -chang eassi stant
see Blind SpotAssist In
dex
11

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

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

Aut
oma tic hea dlamp mod e X
To swit chon autom atic hea dlamp
mod e:tur nth eligh tswit chtoc or
Ã.
Sm artKey inpos ition 1in theign ition lock:
th epark inglamp sare swit ched on oroff
auto maticallydepe nding onthebrig htne ss
of theambi entlight .
With theenginerunn ing:depen dingonthe
bright nessof the ambien tlight ,the daytime
runn inglamps 6
or the low-be amheadlamps
are switc hedonoroff autom atically.
When thelow-be amheadlamps are
switc hedon,the L indicatorlamp inthe
inst rumen tcluster lightsup. G
WARN
ING If
the light switc his set toc orÃ, the
low-be amheadlamps willnotcom eon
autom atically ifit is fogg y.This could
endan geryou and others. There fore,tur nthe
light switch toL infog.
The automatic headlampfeature isonly an
aid. Thedriver isresponsible forthe vehicle's
lighting atall times.
Rear foglamp X
To switch onthe rear foglamp: turnthe
SmartK eyinthe ignition locktoposition 2
or start theengine.
X Turn thelight switch toL orc or
Ã.
If the light switch isset toc orÃ,
the rear foglamp onlylights upifthe low-
beam headla mpsareon.
X Press theR button.
The yellow R indicator lampinthe
instrumen tcluster lightsup.
X To switch offther ear foglam p:pres sth e
R button.
The yellow Rindicatorlamp inthe
ins trumen tcluster goesout. i
If
you switc hthe engineoff(Sm artKey in
posit ion1in the ignit ionlock )and then
rest artit,the prev ious rearfoglamp
set tings are rest ored.
Rea rfog lamp X
To switch ontherea rfog lamp:tur nthe
Sm artKey inthe ignit ionlock toposit ion2
or start the engin e.
X Turn thelight switc hto L orc or
Ã.
If the light switc his set toc orÃ,
the rear foglamp onlylightsup ifthe low-
beam headlamps areon.
X Press theR button.
The yellow Rindicatorlamp inthe
inst rumen tcluster lightsup.
X To switch offther ear foglam p:pres sth e
R button.
The yellow Rindicatorlamp inthe
ins trumen tcluster goesout. i
If
you switc hthe engineoff(Sm artKey in
posit ion1in the ignit ionlock )and then
rest artit,the prev ious rearfoglamp
set tings are rest ored.
Head lampcleaning system The
headlamps areclean edautomat icallyif
the "Wipe withwasher fluid"function is
operat edten timeswhile thelight sare onand
the engin eis runn ing(Ypage 118).When you
switc hoff the ignit ion,theautomat ic
headlamp cleaningsyste misreset and
counting isresumed from0.
6 Only ifdaytime runninglampshavebeen activated viathe on-board computer. 110
Exterior
lightingLights and windshield wipers

Windshi
eldwipers Swi
tchin gthe windshie ldwipers on/
off G
WARNING Wip
erbla des arecomponents thataresub ject
to wea rand tea r.Re place thewipe rb lades
twic eayear, preferably inthe sprin gand fall.
Oth erwise thewindows willnotbewiped
proper ly.As aresult ,you may notbeable to
obser vesurro undin gtraffic condition sand
could cause anacc ident .
! Donot operat ethe windsh ieldwipers
when thewindsh ieldisdry, asthis could
damage thewiper blades. Moreover,dust
that hascollec tedonthe windsh ieldcan
scr atc hthe glass ifwiping takesplace when
the windsh ieldisdry.
! Ifthe windsh ieldwipers leavesmear son
the windsh ieldafterthe vehic lehas been
washed inan autom aticcarwash, waxor
oth erresidues maybethe reason forthis .
Clean thewindsh ieldusing washer fluid
aft erwashing thevehic lein an autom atic
car wash. Combin
ationswitch
1 $ Winds hieldwipers off
2 Ä Inter mit ten twipe, low7
3 Å Inter mit ten twipe, high8
4 ° Continuous wipe,slow
5 ¯ Continuous wipe,fast B
í Single wipe
C î Towipe withwasher fluid
X Swit chon the ignit ion.
X Turn thecom binat ionswitc hto the
appropr iateposit ionorpress thebutt onon
the side.
! Inter mit ten twiping withrainsensor: due
to optic alinf luenc esand thewindsh ield
becom ingdirtyin dry weather condition s,
the windsh ieldwipers maybeact ivate d
inadv ertent ly.This could thendamage the
wind shieldwiper blades orscrat ch the
wind shield.
For this reas on,you should always switch
off thewind shieldwiper sin dry weat her.
In theÄ orÅ position,theappro priate
wipin gfrequen cyisset auto maticall y
acc ording totheint ensityof therain .In
th eÅ position,therain sensor ismor e
sen sitive than intheÄ position,caus ing
th ewind shieldwiper sto wipe more
fr equen tly. Swit
ching therea rwindow wiperon/
off Combin
ationswitch
: è Rearwindow wiperswitch
2 b Towipe withwasher fluid
3 ° Toswitc hon intermit tentwiping
7 Rain sensorset tolow sens itivity.
8 Rain sensorset tohigh sensitivity. 118
Wind
shield wipersLights and windshield wipers

4
e Toswitch offinter mittentwiping
5 b Towipe withwasher fluid
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X Slide switch :onthe combinat ionswitch
up ordown tothe appropriate position.
When therear window wiperisswitched on,
the icon appears inthe instr ument cluster. Replacing
thewiper blades
Impor tantsafety notes G
WARNIN
G For
safety reasons, switchoffthe windshield
wipers andremove thekey from theignition
lock before changin gthe wiper blades
(vehicles withKEYLE SS-GO: make surethat
the on-board electronicsare instate 0).
Otherwise, thewiper motor couldbeswitched
on suddenly andcause injury.
! Toavoid damaging thewiper blades,
make surethatyoutouch onlythewiper
arm ofthe wiper.
! Never openthehood ifawindshield wiper
arm hasbeen folded awayfromthe
windshield.
Never foldawindshield wiperarmwithout
a wiper bladebackontothe windshield/
rear window.
Hold thewindshield wiperarmfirmly when
you change thewiper blade. Ifyou release
the windshield wiperarmwithout awiper
blade anditfalls ontothe windshield, the
windshield maybedamaged bythe force of
the impact.
Mercedes- Benzrecomm endsthatyouhave
the wiper blades replaced byaq ualifi ed
spec ialist workshop,e.g. at an auth orized
Mer cedes- BenzCent er. Changing
thewindshield wiperblades Removing
thewiper blades
X Remove theSmart Keyfrom theignition
lock.
X Fold thewiper armaway fromthe
windshield. X
Firmly pressrelease knob : and pullthe
wiper bladeupwards fromthewiper armin
the direct ionofthe arrow.
Installing thewiper blades
X Position thenew wiper bladeinthe retain er
on the wiper armandslide itint oplace in
the opposite directiontothe arrow.
The wiper bladeaudibly engages.
X Make surethatwiper bladeisseated
corr ectly.
X Fold thewiper armback ontothe
windshield.
Repla cingtherear window wiperblade Removing
thewiper blade G
WARN
ING The
wiper armcould beset inmotion and
injur eyou ifthe wiper isswitch edon.
Remove thekey from theignition lockbefore
replacing thewiper blade. Windsh
ieldwipers
119Lights and windshield wipers Z

X
Remo vetheSm artKey from theign ition
loc k.
X Fo ldwiper arm:away from therear
win dow untilit en gage s.
X Pos ition wiper blade;atarig ht ang leto
wiper arm:.
X Ho ldwiper arm:and presswiper
blade ;inthedir ection ofthearr ow until
it rel ease s.
X Remo vewiper blade;.
Inst alling thewipe rblad e
X Place newwiper blade;ontowiper
arm :.
X Hold wiper arm:and press wiper
blade ;inthe opposit edirec tiontothe
arrow untilit engage s.
X Make surethatwiper blade;isseated
cor rectly.
X Posit ionwiper blade;parallel towiper
arm :.
X Fold wiper arm:back ontothe rear
window. Problem
swith thewindshield wipers
Th ewindshield wipersareobstr ucted Leaves
orsno w,for examp le,may be
obst ructingthe windsh ieldwiper movement.
The wiper motorhas been deact ivated . X
For safet yreason s,you should removethe
Smar tKey from theignit ionlock .
or
X Swit choff the engin eusing theStart/ Stop
butt onand open thedriver 'sdoor.
X Remove thecause ofthe obst ruction.
X Swit chthe windsh ieldwipers backon.
Th ewindshield wipersareinoper ative The
windsh ieldwiper driveismalfun ctionin g.
X Selec tanothe rwiper speed onthe
com binat ionswitc h.
X Have thewinds hieldwipers checkedata
qualified specialist workshop.
Th espr aynozz lesaremisa ligned The
winds hieldwasher fluidfromt hespray
nozz lesnolonger hitsthecent erofthe
windshield. Thespray nozzlesare misaligned.
X Have thespray nozzlesadjusted ata
qual ified specialist workshop. 120
Windshield
wipersLights and windshield wipers

When
the Remainin
gStarts: 16 message
is shown inthe multifunc tiondisplay, youcan
start theengine 16more times. IfDE Fis not
added, itwill notbepossible torestar tthe
engine. Fillthe DEF tank withapprox. 1gal
(3.8 l)DEF ,or have itfilled ataqual ified
specialist workshop. i
If
you drive thevehicle fasterthan10mph
(16 km/h), the Check
Additive See Operator's
Manual message
goesoff
after approximately oneminute.
Further information aboutBlueTEC exhaust
gas aftertr eatment andDEF isavaila bleatany
authorized Mercedes-Ben zCent er.
Adding DEF G
WARN
ING Make
sure
R DE Fdoes notcome intocontact with skin,
eyes, orcloth ing
R to keep DEFout ofthe reach ofchildren
If you and/or othershave come intocontact
with DEF:
R IfDE Fhas gotteninto contact with eyes,
flush withplenty ofwater immediately and
seek medical help.
R Clean affectedskin immediately withplenty
of water.
R IfDE Fw asswallowe d,rin se mout h
imm ediat elywith plentyof wate rand drink
pl enty ofwa ter. Consu ltaphy sicia n. G
WAR
NING If
yo uop en the DEF tank cap,sma llamo unts
of amm oniavap orma ybe released .This
depends inparticular upontheage ofthe DEF .
Ammon iavapors haveapungent odorandare
particularly irritatingto:
R skin
R mucous membranes
R eyes You
may experience aburning sensation in
your eyes, noseandthroat, aswell as
coughing andwatering ofthe eyes.
Do not inhale anyammonia vaporsthatmay
be released. Fillthe DEF tank onlyinwell-
ventilated areas.
! Only useDEF inaccordance with
ISO 22241 .Do not mix anyadditives with
DEF ,and donot dilute DEFwith water. This
may destroy theBlueTEC exhaustgas
aftertr eatment system.
! The vehicle mustbeparked onlevel
ground tofill the DEF tank.The DEF tank
can only befilled asinten dedwith the
vehicle parkedonalevel surface. This
avoids falselevelreadings. Fillingthetank
is not permitted ifthe vehicle isnot parked
on alevel surface. Thereisadanger of
overfilling, whichcouldresult indamage to
componen tsof the BlueTEC exhaustgas
aftertr eatment .
If the outside temperature islower than
Ò11 †,damage mayoccur whenadding DEF.
If DEF isfrozen andthere isan active warning
indicator, addingmaynotbepossible. Park
the vehicle inawarmer place,e.g.inagarage,
until DEFhasbecome fluidagain. Fillingis
then possible again.Alternatively, havethe
DEF tank refilled ataqual ified specialist
workshop.
! Rinse surfaces thathave come into
cont actwith DEFimmediately withwater or
remove DEFusing adamp clothandcold
water. Ifthe DEF hasalread ycrystallized,
use asponge andcold water toclean it.DEF
residues crystallize aftertimeand
cont aminate theaffected surfaces.
! DEF isnot afuel additive andmust notbe
added tothe fuel tank .If DEF isadded to
the fuel tank ,this canlead toengine
damage.
Further information onDEF (Ypage 387). Refueling
153Driving and parking Z

Limi
tedbraking performa nce onsalt -
tr eat edroa ds G
WAR
NING The
layer ofsalt ontheb rake discs andthe
brake pads/linings maycauseadelay inthe
brakin geffec t,resultin gin asignific antly
longer brakingdistanc e,which couldleadto
an acciden t.
To avoid thisdanger, youshould:
R occ asionally brakecarefully, without
puttin gother roadusers atrisk, when you
are driving onsalted roads. Thishelps to
remov eany salt that may have startedto
build upon the brake discsandthebrake
pads/linin gs.
R maint ainagreater distancetothe vehicle
ahead anddrive withparticular care.
R carefully applythebrakes atthe end ofa
trip and immediately aftercommen cinga
new trip,sothat saltresidues areremoved
from thebrake discs.
Servicing thebrakes !
Ifthe red brake warning lamplights upin
the instr ument cluster andyouhear a
warning tonewhile theengine isrunnin g,
the brake fluidlevel maybetoo low.
Observe additional warningmessages in
the multifunct iondisplay .
The brake fluidlevel maybetoo low due to
brake padwear orleaking brakelines.
Have thebrake system checked
immediately. Thiswork should becarried
out atan authorized Mercedes-B enz
Center.
All check sand mainten ancework onthe
brake system mustbecarried outata
quali fiedspecialist workshop only.Have this
work carried outatan authorized Mercedes-
Benz Center.
Have thebrake padsreplaced andthebrake
fluid renewed ataquali fiedspecialist
workshop, e.g.anauthorized Mercedes-B enz
Center. G
WARNING If
brake padsorbrake fluidother thanthose
recommen dedareused, thebraking
properties ofthe vehicle canbedegraded to
an exten tthat safe braking issubstantially
impaired. Thiscould result inan accident.
! Afunct ionorperformance testshould
only becarried outona2 -axl e
dy nam ome ter.Ifyo uar eplanni ngtohave
the vehicleteste don such ady nam ome ter,
conta ctan author izedMer cedes-B enz
Ce nter toobtainfu rthe rinfo rma tionfir st.
Othe rwise, youcou ldda ma gethe drive
trai nor the brakesystem .
! Asthe ESP ®
sy stem opera tes
au toma tically, the engineand theigniti on
mu stbe switch edoff (Sma rtKeyin po sitio n
0 or 1in the igniti onlock orStar t/Stop
bu tton inpo sitio n0 or 1) wh ile the electri c
pa rking brakeisbe ing teste don abra ke
dy nam ome ter(ma ximu m10secon ds).
Brak ingtrigger edautomatic allybyESP®
may seriously damagethebrake system.
If your brake system issubject onlyto
moderate loads,youshould testthe
func tionality ofyour brakes atregular
int ervals bypressing firmlyonthe brake pedal
at high speeds. Thisimproves thegrip ofthe
brake pads. G
WARN
ING Make
surethatyoudonot endanger other
road users whenyouapply thebrakes.
You canfind adescript ionofBrak eAssist
(BAS )on (Ypage 61)orofBA SPLUS on
(Y page 62). 160
Driving
tipsDriving and parking