Page 417 of 454

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0027
Br ak ewa rning lamp(US A
onl y)
004D
Br ak esy stem warning lamp
(Canada only) *T
he redbr ak ewa rning lampis lit while theve hicle isrunning.
Po ssible causes:
R The brak efo rc eboosting ismalfunctionin gand thebr aking charact eristics maybe a.ect ed.
R Ther eis insu1cie ntbrak e0uid inthebr ak e0uid reser voir. #
Notethemessag eson theinstr ument display. &
W W
ARNI NG ARNI
NGRisk ofaccid ent and injur yif br ak efo rc eboosting ismalfunctionin g
If br ak efo rc eboostin gis malfunctionin g,incr eased brak epedal forc ema ybe necessar yfo rbr aking. Thebraking
ch aract eristics maybe impair ed.The braking distance canincr easein eme rgency braking situations. #
Stop inasaf elocation immediat ely. Do notcontinue driving . #
Consult aqua li/ed specialist workshop. &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue tolow brak e0uid leve l
If th ebr ak e0uid leve lis toolow, thebr aking e.ect andthebr aking charact eristics maybe impair ed. #
Pullove rand stop theve hicle safelyas soon aspossibl e,paying attent ion toroad and tra1c cond itions. Donot
cont inuedr ivi ng und eranycir cums tances . #
Cons ultaqu ali/ ed spec ial ist wo rkshop. #
Donotadd brak e0uid. Displ
aymessag esand warning/in dicatorlam ps
415 415
Page 418 of 454

DrDr
iving syst iving
systems ems
WW
ar ar
ning /indicat ning
/indicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
L
Wa rning lampfo rdist ance
wa rning function *T
he reddist ance warning lamplights upwhile theve hicle isin mo tion .
The distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oaching anobst acle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedist ance.
Fu nctio nof ActiveBr ak eAssi st(/ page194).
Ó Ac tiveBr ak eAssi stwa rning
lam p *T
heActiveBr ak eAssi stwa rning lampis on.
Due todir tysensor sor amalfuncti on,thesy stem isno tav ailabl eor thera ng eof functi onsisrestr icte d. #
Notethemessag eson theinstr ument display.
ê
Ac tiveBr ak eAssi stwa rning
lam p *T
heActiveBr ak eAssi stwa rning lampis on.
The system isswitc hedo.orthera ng eof functi onshasbee naut oma tically re str icte d.
This maybe thecase ifth edr iver isno twe aring aseat beltorano ther driving system has been activated. #
Obser vetheno teson ActiveBr ak eAssi st(/ page194) . 416416
Disp
lay mes sagesand warning/in dicatorlam ps
Page 419 of 454

DrDr
iving safe iving
safety syst ty
systems ems
WW
ar ar
ning /indicat ning
/indicat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0025
ABS warning lamp *T
he yello wABS warning lampis lit while theve hicle isrunning.
ABS isma lfunct ioning .
If an add itional warning tone sou nds, EBD isma lfunct ioning .
Ot her driving systems anddriving safety systems mayals obe mal functioning. #
Notethemessag eson theinstr ument display. &
W W
ARNI NG ARNI
NGTher eis arisk ofskiddin gif EBD orAB Sis malf unct ioning
The wheels mayloc kdur ing braking .
The steer abili tyand braking charact eristics arehea vilyim pair edand thebr aking distance mayincr ease. Inaddition,
ot her drivi ng safetysy stem sar esw itch ed o.. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqua li/ed specialist workshop. 00E5
ESP ®
wa rning lamp0as hes *
The yello wESP ®
wa rning lamp0as hes while theve hicle isin mo tion .
One ormor ewheels have reac hed their grip limit (/page174). #
Adaptyo ur driving styleto suit thero ad and weather cond itions. Displ
aymessag esand warning/in dicatorlam ps
417 417
Page 420 of 454

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
00E5
ESP ®
wa rning lamplights up *
The yello wESP ®
wa rning lampis lit while theve hicle isrunning.
ESP ®
is ma lfunct ioning .
Ot her driving systems anddriving safety systems (e.g. BAS)ma yalso bemalf uncti oni ng. #
Notethemessag eson theinstr ument display. &
W W
ARNI NG ARNI
NGRisk ofskiddi ngifESP ®
is mal functio ning
If ESP ®
is mal functio ning,ESP®
ca nno tca rryout vehicle stabili zation .In addit ion,ot her drivi ng safetysy stem sare
sw itch ed o.. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu ali/ed special istwo rkshop. 00BB
ESP ®
OFF warning lamp *
The yello wESP ®
OFF warning lampis lit while theve hicle isrunning.
ESP ®
is dea ctivated.
Ot her driving systems anddriving safety systems mayals obe inoper ative. &
W W
ARNING ARNING
Riskofski dding whendr iving withESP ®
deac tivated
ESP ®
does notact tostab ilize theve hicle. Theavailabi lityof further drivi ng safetysy stem sis also limi ted. #
Drive on car efull y. #
Deactiv ateESP ®
onl yfo ras long asthesituation requ ires. 418418
Displa
ymessa gesand warning/in dicatorlam ps
Page 421 of 454

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
If ESP ®
canno tbe activ ated, ESP ®
is malfunct ioning. #
Have ESP ®
ch eckedimmediat elyat aqu ali/ed special istwo rkshop. #
Obser vetheno teson deacti vating ESP®
(/ page174) . TT
ir ir
e pr e
pr ess ur ess
uremonit e
monit or or
WW
ar ar
ning/indica t ning/indica
tor lam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0077
Ti re pressur emonit oring
sy stem warning lamp0as hes *The
yello wtirepr essur emonit orwa rning lamp(pr essur e<004D0050005400540010004E0042004D00470056004F00440055004A0050004F
000A> 0ashes forappr oximat elyone minut eand
th en remains lit.
The tirepr essur emonit orismalfun ctioning. &
W W
ARNIN G ARNIN
GTher eis arisk ofan acciden tif th etir epr essur emonit oring system ismalfunctionin g
The tirepr essur emonit oring system canno tissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsu1cie nttirepr essur ema yim pair thedr iving charact eristics aswellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
419 419
Page 422 of 454
WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
0077
Ti re pressur emonit oring
sy stem warning lamplights
up *T
he yello wtirepr essur emonit oring system warning lamp(pr essur e<004D0050005400540010004E0042004D00470056004F00440055004A0050004F
000A> islit.
The tirepr essur emonit oring system has detected tirepr essur eloss inat leas tone ofthetir es. &
W W
ARNIN G ARNIN
GRisk ofan accident duetoinsu1c ienttirepr essur e
R The tires can burst.
R The tires can wearexcessiv elyand/ orune venly.
R The driving charact eristics aswellas thesteer ing and braking maybe greatl yim pair ed.
Yo ucould then lose contr olof theve hicle. #
Obser vethere commen dedtirepr essur es. #
Adjust thetir epr essur eif necessar y. #
Stop theve hicle inaccor dance withth etra1c conditions. #
Chec kth etir epr essur eand thetir es. 420420
Displa
ymessag esand warning/in dicatorlam ps
Page 423 of 454

1,
2,3... 1,
2,3...
4MA 4MA
TIC TIC
Fu nctio n........... ..................................... 161
12 Vbat t 12
Vbat ter y er
y
see On-bo ardelec trica lsy stem battery (12 V)
12 Vsoc ket 12
Vsoc ket
see Socket(12 V)
115 Vsoc ket 115
Vsoc ket
see Socket(115 V)
360° Camera 360°
Camera
Fu nctio n........... ..................................... 209 AA
A/C functi on A/C
functi on
Ac tivating/dea ctivating (contr olpanel )...138
Ac tivating/dea ctivating (MBUX multi-
medi asy st<0046004E000A000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 139
ABS (Anti-lo c ABS
(Anti-lo ck Br k
Br aki ng Syst aki
ng System) em)
<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> 173
A A
cce ler cce
leration ation
see Kickdo wn
A A
cci dent andBr cci
dent andBreak do eak
down Manag wn
Manag ement ement
Mer cede sme connec <0055000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 260A A
cous coustic
loc tic
locking king
v v
er er
i/c ation i/c
ation signa l signa
l
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 67
A A
ctiv ctiv
eBlind Spo e
Blind SpotAssi st t
Assi st
Br ak eapp lica<0055004A0050004F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 204
Fu nctio n.......... ...................................... 202
Sy stem limita<0055004A0050004F0054000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 202
A A
ctiv ctiv
eBr e
Br ak ak
eAssi st e
Assi st
Fu nctio n/no tes... ................................... 194
Se tting.... ............................................... 198
A A
ctiv ctiv
eDis t e
Dis tance Assis ance
AssistDIS t
DIS TR TR
ONIC ONIC
Ac tiveEmer gency Stop Assist ................ 192
Ac tiveLane ChangeAssi st<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 192
Call ingupaspee <0045000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 184
Fu nctio n.......... ...................................... 182
Inc reasing /decreasin gth espeed ...........1 84
Ro ute-based speedadaptation ............... 187
St oring aspeed.... .................................. 184
Switc hingo./deac tivating .....................1 84
Switc hingon/activ ating......................... 184
Sy stem limit ations... ...............................182
A A
ctiv ctiv
eEmer g e
Emer gency St ency
Stop Assist op
Assist ...................... 192
A A
ctiv ctiv
eheadlam e
headlam ps ps
.... ........................ .............1 27
A A
ctiv ctiv
eLane Chang e
Lane Chang eAssist e
Assist
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 194Fu
nctio n.......... ...................................... 192
A A
ctiv ctiv
eLane K e
Lane Keep ingAssist eep
ingAssist
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 207
Ac tivating/dea ctivating thewa rning....... 207
Fu nctio n.......... ...................................... 205
Se tting the<00540046004F0054004A0055004A0057004A0055005A000F000F000F000F000F
000F000F000F> .....................2 07
Sy stem limits... ......................................205
A A
ctiv ctiv
eP e
Par ar
king Assist king
Assist
Exiting apar king space.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 220
Fu nctio n.......... ...................................... 217
Pa rking... ............................................... 218
Sy stem limit ations... ...............................217
A A
ctiv ctiv
eSer e
Ser vice Sy vice
Syst st
em PL em
PLUS US
see ASSYSTPL US
A A
ctiv ctiv
eSpeed LimitAss ist e
Speed LimitAss ist
Dis play........... ........................................186
Fu nctio n.......... ...................................... 186
A A
ctiv ctiv
eSt e
St eer eer
ing Assist ing
Assist
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 191
Ac tiveEmer gency Stop Assist ................ 192
Ac tiveLane ChangeAssi st<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 192
Fu nctio n.......... ...................................... 190
Sy stem limits............ ............................. 190 Ind
ex
421 421
Page 424 of 454

AA
dap dap
tiv tiv
ecr e
cr uise contr uise
contr ol ol
see ActiveDist ance AssistDIS TRONI C
A A
dap dap
tiv tiv
eHighbea mAssi st e
Highbea mAssi st
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 128
Fu nctio n........... ..................................... 127
A A
ddi tiv ddi
tives es
Engine oil........... ....................................349
Fu el..... .................................................. 349
A A
dditiv dditiv
es(engine oil) es
(engine oil)
see Additiv es
A A
dditiv dditiv
es(fuel) es
(fuel)
see Fuel
ATer ATer
-sales -sa
les ser ser
vice vice
see ASSYSTPL US
Air bag Air
bag
Re duced protection .................................. 45
Air conditioning menu Air
conditioning menu
Calling up..............................................1 39
Air dis Air
distr tr
ibution ibution
Se <00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F> .......................................138
Se tting (MBUX multimedia system)..... ....139
Air inle t Air
inle t
see Air-water duct Air
pr Air
pressur e essur
e
see Tire pressur e
Air v Air
vents ents
Ad justing (front).....................................140
Ad justing (rea r)..... ................................. 141
Air v Air
vents ents
se eAir vents
Air Air
-co nditi oning syst -co
nditi oning system em
see Clim atecont rol
Air Air
-r -r
eci r eci
rcul atio nmod e(w it cul
atio nmod e(w ith h
/n e /n
e
par par
ticle ticl
epr pr
e/ lt e/
lter) er)
......... ........................... ...... 140
Air Air
-w -w
at at
er duc t er
duc t
Ke eping free......... ................................. 282
Airbag Airbag
Activ<00420055004A0050004F000F000F000F000F000F000F000F000F000F000F000F
000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 38
Fr ont airbag (driver ,fr ont passeng er)........ 43
Inst allation locations ................................ 43
Knee airbag... ........ .................................. 43
Ov ervie w.... .............................................. 43
PA SSENGE RAIR BA Gind icat or lamp s...... 47
Pr otection.... ............................................ 44
Side airbag....... ....................................... 43
Wi ndo wcur tain airbag .............................. 43 Air0
ow Air
0ow
Se tting .... ............................................... 138
Ala rm Alar
m
see Panic alarm
Alar Alar
msyst m
system em
see ATA (anti-theT alarmsystem)
Al l-w heel dr Al
l-w heel drive iv
e
see 4MATIC
Amb ientlig htin g Amb
ientlig htin g
Se tting (MB UXmult imed iasystem) .........1 29
Andr Andr
oidA oid
Aut o ut
o
see Smar tphone integration
Animal s Animal
s
Pe ts intheve hicle .................................... 65
An ti-loc An
ti-loc kbr k
br aking syst aking
system em
see ABS(An ti-loc kBr aking System)
An ti-skid c An
ti-skid chains hains
see Snow chains
Ant i-t Ant
i-theT heT
prot pr
otection ection
Immobilizer.. ............................................ 86
An ti-t An
ti-theT heT
prot pr
otection ection
see ATA (anti-theT alarmsystem) 422422
Inde
x