
If
th edr iver does notst eer theve hicle overa
long period, orhas notta ke nhol dof thesteer ing
wheel, are peat edwarning tone sou nds inad di‐
tio nto thevisual warning mess age(depen ding
on thecount ry).
The warning mess agedoes notappear ordisap‐
pear sif one ofthefo llo wing condition sar eme t:
R The driver steer sth eve hicle.
R The driver presses ast eer ing wheel buttonor
oper ates Touc hCon trol.
Ac tiveSt eer ing Assis tis onl yan aid. Thedriver is
re sponsible forth edis tance totheve hicle in
fr ont, forve hicle speed, forbr aking ingood time
and forst ay ing inlane. Beforech ang inglane s,
th edr iver mus tmak esur eth at theneighbor ing
lane isfree (glance over theshoulder).
Sy stem limita tions
Ac tiveSt eer ing Assis thas alimit edsteer ing tor‐
qu efo rlat eral gui dance. Insome cases, the
st eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive pas tex its. The
system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, dir ect sunlight ,gr ea tly varying ambien t
light ,re flect ions orstro ng sha dows onthe
ro adw ay.
R Insuf ficie ntroad illumin ation.
R The wind shieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Absence oflane markings, orseveralunc lear
lane markings, orifth emar king sch ang era p‐
idly .
R The distance totheve hicle infront istoo
small andthelane marking sth us can notbe
de tected.
R The road isnar row and windin g.
R Obs tacle son thelane orprojec ting outinto
th elane.
The system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tbends ,int ersect ions,to llst atio ns,
traf fic cir cle sand whentur ning. R
Whe nacti vely ch ang inglane without switch‐
ing onthetur nsignal.
R When thetir epr essur eis toolow. 000A
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyst ops func‐
tionin g
If th esy stem limit ations ofActiveSt eer ing
Assis tar ere ac hed ther eis no guar anteethat
th esy stem will remain activeor wil lke ep the
ve hicle inlane. 0007
Alw ayske ep your han dson thesteer ing
wheel andobser vethetra ffic car efull y. 0007
Alw aysst eer theve hicle paying atten‐
tion totraf fic condi tions. 000A
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyinterve nes
A ma lfunctio nin thede tection oflane mar k‐
ings andobje ctscan occu r.
This could cause unexpect edsteer ing inter‐
ve ntio n. 18
4
Driving and parking

0007
Select WarnEarl y. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
Ac tiv atin g/deac tivatin gaudi ofa deo ut
Yo ucan spec ifywhe ther thevo lume ofamedia
sour ceinthemultimedia system isto be
re duced whenParking AssistPA RK TRONI Cgiv es
an audible warning. 0007
Selec tAudio Fadeout DuringWarn ingTone s. 0007
Activate0073 ordeacti vate 0053 thefunc tion. Re
versing camer a Fu
nction ofthere ar vie wcamer a When
youen gage reve rsege ar,th eimag efrom
re ar vie wcam era1 issho wninthemultimedia
sy stem. Dynamic guidelinesshowthepat hth e
ve hicle willtake wit hth esteer ing wheel inits
cur rent positio n.Thi shel psyouto orient your‐
self and toavoid obstacle swhe nba cking up. The
rear vie wcam erais on lyan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
Yo ucan selectfrom thefo llo wing views:
R Normalvie w
R Wide-ang levie w
R Trailer view
The area behin dth eve hicle isdispla yedas a
mir rorimag e,as intheinside rear vie wmir ror.
Sy stem limita tions
The rear vie wcam erawill notfun ction orwill
on lypa rtially function inthefo llo wing situat ions:
R Ifth etrunk lidortailg ateis open .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightispoor ,e.g. atnight.
R The camer alens isobs truct ed, dirtyor fog‐
ge dup. Obser vetheno teson cleaning the
re ar vie wcam era(→ pag e36 0). Dr
ivin gand parking 19
7

Sy
stem limita tions
The 360°Camera willnotfun ction orwill only
par tiall yfun ction inthefo llo wing situat ions:
R The door sar eopen .
R The side mirrors arefo lded in.
R The trunk lidisopen .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R The camer alens isobs truct ed, dirtyor fog‐
ge dup.
R Ifcamera sor vehicle component sin whic h
th ecamer asareins talled aredamag ed.In th
is eve nt,have thecamer as,their position s
and their setting checkedat aqu alif ied spe‐
cialis two rkshop.
Do notuse the360° Camer aunder suchcir cum‐
st anc es.Youco uld other wise injureot her sor
collide withobject swhen parking ormaneuv er‐
ing theve hicle.
On vehicles withheight-adjus table suspension or
if th eve hicle iscar rying ahea vyload, leavingth e
st andar dheigh tcan result ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges,depending ontech nica lcond itions.
The field ofvision andother funct ionsofthe
came rasystem maybe restrict ed dueto addi‐
tio nal attachme ntson theve hicle (e.g.license
plat ebr ac ket,bicy cle rack ).
See theno teson cleaning the360° Camer a
(→ pag e360).
Selecting avie wforthe 360° Camer a
Re quirement s:
R The Auto.Rear View Cam. function isselec‐
te din themultimedia system. 0007
Engage reve rsege ar. 0007
Inthemultimedia system, select thedesir ed
vie w.
Opening thecam eraco verof the rear vie w
camer a
Mul timedi asy stem:
Vehicle kAssist ance Camera&
Parkin g 0007
Select OpenCamera Cover.
0009 The camer aco vercloses automatical lyafte r
some timeorafte ran ignitio ncy cle.
Se tting thecam eraas afa vo rite
Yo ucan callupthecamer avie wdir ect lyin the
multime diasystem bysettin git as afa vo rite . 0007
Press the00E2 buttonon thecon trol ele‐
ment .
The main functionsar edispla yed. 0007
Navig atedo wn wardstwice.
The Favorite smenu appears. 0007
Select New Favorite. 0007
Select Veh icle. 0007
Select Camera. 202
Driving and parking

R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etraf fic sig ns areha rd todetect, e.g. due
to dir tor sno w,orbecause they areco vered
or due toinsuf ficie ntlighti ng.
R Ifth einf ormation inthena vig ation system's
digit almap isincor rect or out-of-da te.
R Ifth esigns areambiguous, e.g.traffic sign s
on con stru ction sites orinad jacent lanes.
R Ifyo utur nshar plywhen traf fic sig ns areou t‐
sid eth ecamer a'sfield ofvision.
Se tting Traf fic Sign Assis t
Mult imed iasystem:
Vehicle kAssist ance TrafficSign
Assist
Ac tiv atin g/deac tivatin gaut omati cadop tion
of spe edlimits
Re quiremen ts:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. 0007
Select LimitAdopt ion. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
Di spl aying detected traf fic signs inthe
med iadis pla y 0007
Select Display inCOMA ND. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
0009 When DISTRONIC orcruise control areacti‐
va ted, thespeed detected can bemanu ally
ad op tedas thespeed limit(→pag e17 9).
Ad jus tingthe type ofwa rning 0007
Selec tVisual &Audible ,Visual orNon e.
Ad jus tingthe warning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. 0007
Select Warning Threshold. 0007
Setth edesir edspeed. Blind
SpotAssis tand Activ eBli nd Spo t
As sist Fu
nction ofBlind SpotAssis tand Activ e
Bli nd Spo tAs sist wit hex itwa rning
Blin dSpo tAss istand ActiveBli nd Spo tAssi st
use twolat eral, rear-facin gra dar sensor sto
monit orthear ea up to130ft (40 m)behind your
ve hicle and10ft(3 m) direct lyne xt to your vehi‐
cle.
If ave hicle isde tected atspe eds aboveappr ox‐
imat ely8 mp h(12 km/h) andthis vehicle subse‐
qu ent lyent ersth emonit oring rang edire ctly next
to your vehicle, thewa rning lam pin theoutside
mir rorlig hts upred.
If ave hicle isde tected clos eto theside ofyour
ve hicle, there dwa rning lam pin theoutside mir‐
ro rflashes .If yo uswit chon thetur nsignal indi‐
cat orinthecor responding direction, awa rning
to ne sou nds once .If th etur nsignal indicat or
re mains switchedon,allother detected vehicles
ar eindicat edonlyby theflashin gof there d
wa rning lam p.
If yo uove rtak eave hicle quickl y, no warning is
giv en. 21
2
Driving and parking

R
Youha ve adop tedaspor tydriving style wit h
high corner ing speeds orhigh ratesof accel‐
er ation.
R When ESP®
is deactiv ated.
R Ifaloss oftirepr essur eor afa ulty tirehas
been detected and displ ayed.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, ifth er ear e
highly variable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraffic,
th esun orreflect ions.
R Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth er ear eno lane marking s,or several
unc lear lane markingsarepr esen tfo rone
lane, e.g.around roadw orks .
R Ifth elane marking sar ewo rn,dar kor cov‐
er ed. R
Ifth edis tance totheve hicle infront istoo
shor tand thus thelane marking scann otbe
de tected.
R Ifth elane marking sch ang equ ickl y, e.g.
lanes branc hof f,cr oss one another or
mer ge.
R Ifth ero adw ayisvery nar row and windin g.
Ve hicl eswith Drivin gAss istanc epac kage or
Dr iving Assistance Pluspackag e:Ac tiveLa ne
Ke eping Assistuses radar sensor sto monit or
se veralar eas around theve hicle. Ifth era dar
sensor sin there ar bum peraredir tyor covered
wit hsn ow ,th esy stem maybe impair edorma y
no tfunc tion.If an obs tacle inthelane inwhic h
yo uar edr ivin ghas been detected, nolane-cor‐
re cting brak eap plica tion occu rs. Ac
tiv atin g/deac tivatin gAc tiv eLan eKe eping
Assis t(v ehicles withPa rking Assis t
PA RK TRONI C) 000A
WARNIN GRisk ofacci dent despite
Ac tiveLa ne Keeping Assistwa rning
A lane- correcting brak eap plica tion canno t
al wa ys bring theve hicle backint oth eor igi‐
nal lane. 0007
Alw aysst eer ,br ak eor accelera teyour‐
self ,espe ciallyif Ac tiveLa ne Keeping
Assis twa rnsyo uor mak esalane -cor‐
re cting brak eap plica tion. 000A
WARNIN GRisk ofacci dent despite inter‐
ve ntio nof ActiveLa ne Keeping Assist
Ac tiveLa ne Keeping Assistdoes notde tect
tr af fic condi tions orroad user s.In very rare
case s,thesy stem maymak ean inappr opri‐
at ebr ak eapplication, e.g.afte rint entional ly
dr iving overa soli dlane marking.
The brak eapp lication canbeinterru pte dat
an ytime ifyo usteer slightl yin theopposit e
dir ect ion. Dr
iving andparking 217

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Adaptive Highbeam Assist
Currently Unavailable See
Operator' sManual 0007
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. TheAdap tiveHig hbeam
As sist Now Available displaymes sageappear s.
Adap tiveHig hbeam Assist
Camer aView Restricted
See Oper ator'sMan ual *T
hecamer avie wisrestrict ed. Possible causes are:
R Dirton thewindshield inthecamer a'sfield ofvision
R Hea vyrain, sno wor fog
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,dr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. 0007
Clea nth ewindshield. Wa
rning and indicat orlam ps Ov
ervie wof wa rning and indicat orlam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som ewa rning and indi‐
cat orlam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes ewa rning and indi‐
cat orlam psindic ateamalfun ction onlyif th ey light
uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney. Dis
play messa gesand warning/ indic ator lam ps 47
3

Ins
trum ent Disp lay(s tand ard) Wi
des cree nCo ckpit Instru men tDi spl ay Pr
og ressiv ese tting Ve
hicl eswith aWi des cree nCo ckpit: Ifyo u
select thepr ogr essiv edispla yse tting, theposi‐
tion sof theindicat orlam pson theIns trument
Displa ywill chang e.
Wa rning and indicat orlam ps:
0058 Lo
wbeam (→pag e11 7)
0060 Pa
rking light s(→ pag e11 7)
0057 High
beam(→ pag e11 8)
003E003D Tu
rn signal indicat ors(→ pag e11 8)
005E Re
ar foglight (→pag e11 7)
0075 Re
stra int system (→pag e47 5) 00E9
Sea
tbel tno tfa stened (→pag e480)
0027 US
A:brak es (red) (→pag e47 5)
004D Can
ada:br ak es (red) (→page 475)
0024 Electr
icpar king brak e(yell ow )
( → pag e47 5)
0049 US
A:electr icpa rking brak eapplied
(r ed) (→pag e47 5)
0024 Ca
nada :ele ctricpar king brak e
app lied(red) (→pag e47 5)
0025 ABS
malfunctio n(→ page 475)
00E5 ESP®
(→ page 475)
00BB ESP®
OFF (→page 475)
L Distance warning (→pag e48 1)
00CC Po
we r-assis tedsteer ing malfunct ion
(→ pag e486)
00CC AIR
BODY CONTR OLmalfu nction
(→ pag e48 1)
00CC DY
NA MIC BODY CONTR OLmalfu nc‐
tion (→pag e48 1)
00B9 Chec
kEngine (→pag e482)
003D Electr
icalmalfu nction (→pag e482) 47
4
Display messa gesand warning/ indic ator lam ps

Se
tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 322
Te rm sof use ........................................3 22
Io nizatio n
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) .......................................... ...... 134
iPhone ®
see Apple CarPla y™
see Mercedes- BenzLink J
Jac k
St or ag elocation .............................. ....4 08
Jum p-startco nne ctio n....... ..................... 374
Gene ralno tes ...................................... 372 K
KEYLESS- GO
Loc kingth eve hicle ................................ 67
Pr oblem .................................................6 8
Unl ocking setting ............................ ...... 63
Unl ocking theve hicle ............................6 7
Kic kdow n.................................................1 53
Using ...................................................153 Knee
airbag ................................................ 39 L
Label ing(tires)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
Languag e.................................................2 62
No tes .................................................. 262
Se ttin g............................................. ....2 63
LA TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g........................................ ........ 53
Le velcontr olsystem
see AIR BO DY CONT ROL
Light switch
Ov ervie w ........................................ ...... 117 Light
ing
see Inte rior lighting
see Lights
Lights ........................................................ 117
Ad aptiveHig hbeam Assis t...................1 20
Ad jus ting theins trument lighting ......... 224
Au tomatic driving lights..... .................. 118
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 118
Cor nering light func tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 120
Haza rdwa rning light s...........................1 19
High beam............ ...............................118
High -beamflasher ................................ 118
Light switch..... .....................................1 17
Lo w-beam headlam ps.......................... 117
Pa rking light s.......................................1 17
Re ar foglam p....................................... 117
Re sponsibili tyforlig hting systems .......1 17
Se tting theex terior lighting switch-
of fdela ytime ....................................... 121
Se tting thesur round lighting...............1 21
St andi nglight s.....................................1 17
Tu rn signals .......................................... 118
Limit edWa rranty
Ve hicle .................................................. 26 Inde
x505