
Atag lance .................................................... 6
Cockpit ........................................................... 6
Wa rning and indicator lamps .......................... 8
Overhead control panel ................................ 12
Doorc ontrol panel and sea tadjustment ....... 14
Emergencies and breakdowns ...................... 16
DigitalOperato r'sM anua l........................ .18
Callin gupt he Digital Operator's Manual ...... 18
Generalnotes ............................................. 19
Pr otection of thee nvironment. .................... .19
Mercedes-BenzG enuineParts ....................... 19
Operator's Manual ........................................2 0
Service and vehicle operation ....................... 21
Operating saf ety. .......................................... 22
Declarat ionofc onformity forw ireless
ve hicle components. ....................................2 3
Diagno stics connection ................................ 24
Qualified specialis tworks hop ....................... 24
Cor rect us eoft hevehicle ............................2 5
Problems wit hyour vehicle ........................... 25
Re portin gsafet yd efects .............................. .25
Limited Warrant y......................................... .26 QR cod
efor rescue car d...............................2 6
Ve hicle dat astorage .....................................2 6
Copyright .. .................................................... 28
Occupant safety......................................... 30
Re stra int sy stem .......................................... .30
Seatb elts ..................................................... 33
Airbag s......................................................... 37
PRE-SAFE
®................................................... 44
Childr eninthev ehicle ................................. .45
Pe ts in thev ehicle ....................................... .54
Opening and closing .................................. 55
SmartK ey...................................................... 55
Door s............................................................ 60
Tr unk ............................................................ 63
Ro ller sun blinds .......................................... .69
Sid ew indo ws ............................................... 70
Sliding sunroof .............................................. 74
Anti-thef tprotection .................................... .79
Seats and stowing ...................................... 81
Cor rect driver's seatp osition ........................ 81Seats ............................................................ 82
St
eering wheel ............................................. .91
Using them emor yfunction .......................... 93
St ow agea reas .............................................. 94
Cup holder .................................................. 103
Ashtr ayand cigar ette lighter ...................... .105
Soc kets ....................................................... 106
Wi reless chargingoft he mobile phone
and connection wit hthe exterior antenna .. 107
Ins talling/ removing floor mats ...................1 09
Light and visibility.................................... 110
Exterio rlighting ........................................... 110
Interior lighting ............................................ 114
Wi ndshield wipe rand windshield washer
sy stem ........................................................ 115
Mir rors ........................................................ 118
Operating thes un visor s............................. 120
Infrared reflectiv ewindshield ..................... .121
Climat econtrol ......................................... 122
Overvie wofclimatecontro lsystems ......... .122
Operating thec limat econtrol sy stem ......... 122
2
Conte nts 

#Alwayse ngag eseat belt tongue 2ofthe
seat belt int oseat belt buckle 1ofthec or‐
re sponding seat.
#Press and hold thes eat belt outle trelease
and slide thes eat belt outle tint ot he desired
position.
#Le tgooft he belt outle trelease and ensure
th at thes eat belt outle tloc ks in position. Ve
hicles with PRE-SAFE
®:If th ef ront seat belt
is no tpulled tight across your body ,the seat belt
adjustment ma yautomaticall yapply acertain
tigh tening forc e. Do no thold thes eat belt tightly
while it is adjusting .You can activat eand deacti‐
va te thes eat belt adjustmen tfunction using the
multimedia sy stem.
* NO
TEDeployment of theE mer gency
Te nsioning Device when thef ront
passenger seat is unoccupied
If th es eat belt tongueise ngaged in thes eat
belt buckle of thef ront passenger seat and
th ef ront passenger seat is unoccupied, the
Emergency Tensioning Device ma ydeplo yin
th ee vent of an accident.
#Onl yone person should use eac hseat
belt at an yone time.
Releasing seat belts
#Press ther elease button in thes eat belt
buckle and guide thes eat belt bac kwitht he
seat belt tongue.
Ac tivatin gordeactivatin gseatb elta djust‐
men tviathe multimedi asystem
Multimedia sy stem:,Vehicle.î Vehicle Settings.Belt
Adjustment
#Ac tivate Oor deacti vate ª thef unction.
Seat belt warning fort he driver and front
passen ger
The ü seat belt warning lam pinthe Instru‐
ment Displa yisareminder that all vehicle occu‐
pants mus twear their seat belts cor rectly.
The ü seatb eltw arning lam plightsupf or six
seconds af tere very engine start.
In addition,t herem aybe aw arning tone.
Whe nthe front door sareclosed and thed rive r
and front passenger ha vefast ened their seat
belts, thes eat belt warning goes out.
36
Occupant saf ety 

or
-When entering orexitin gap arkin gspace
using Parking Pilot.
Information on PRE- SAFE®Impulse Side
If an imminent side impact is de tected, PRE-
SA FE®Impulse Side can pre-emptively mo vethe
front-seat vehicle occupant's upper body
to wa rdst he center of thev ehicle. It does this by
ra pidl yinflating an air cushion in theo uter seat
side bols teroft he seat backres tonthe side on
whic hthe impact is anticipated. This increases
th ed ista nce betwee nthe door and thev ehicle
occupant.
If PRE-SAFE
®Impulse Side has been deplo yedo r
is faulty ,the displa ymessage PRE-SAFE Impulse
Side Inoperative See Operator's Manual is dis‐
pla yed(
→pag e353).
Children in thev ehicle
Note sont he saf etransportation of children
&
WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unaccompanied in the
ve hicle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
RRe leasing thep arking brake.
RShifting thet ransmission out of park
position j.
RStartin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
&
WARNING Risk offata linjur ydue to
ex posur etoextreme heat or col dinthe
ve hicle
If people –particularly children –‑are
ex posed toextreme heat or col dovera n
ex tende dperio doft ime,ther eisar isk of
inju ryor eve nfatal injur y.
#Neverlea ve anyone –p articularly chil‐
dren –unat tende dint hevehicle.
&
WARNING Risk of burn swhen thec hild
seat is exposed todirect sunlight
If th ec hild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up.
Children could suf ferb urns on these parts,
particularly on me tallic parts of thec hild
re stra int sy stem.
#Alw aysm akes uret hat thec hild
re stra int sy stem is no texposedt o
direct sunlight.
#Pr otect it wit hablanket,for example.
Occupan tsafet y 45 

Ifyo udon otopen thev ehicle within appr ox‐
imatel y40seconds af teru nlocking:
RThe vehicle is loc keda gain
RAnti- theftp rotection is reactivated
Do no tkeep thek eytoget her wit helectronic
devices or me talo bjects. This can af fect the
ke y's functionalit y.
% If batter ychec klamp 2does no tlight up
af te rp ressing the% or& button, the
batter yisdischar ged.
Ac tivating/deactivatin gthe acoustic lo cking
ve rification signal
Multimedia sy stem:,Vehicle.Vehicle Settings.Acoustic
Lock
#Ac tivate Oor deacti vate ª thef unction.
Priming/deactivating thep anic ala rm
PrerequisitesRIgnition switched off.
#Toprime: press button 1fora pproxima tely
one second .
Av isual and audibl ealarmist riggered.
#To deactivate: brieflyp ress but ton1 again.
or
#Press thes tart/s topb utton on thec ockpit
(the SmartK eyis inside thev ehicle).
Changing theu nlocking settings
Possible unlocking functions of thek ey:
RCentral unlocking
RUnlocking thed rive r's door and fuel filler flap
#To switc hbetwe en settings: pressthe
% and& buttonss imultaneousl yfor
appr oximatel ysix seconds until theb attery
ch eckl am pflashes twice.
If th eu nlocking function fort he driver's door
and fuel filler flap has been selecte d:
RPressingthe% button asecondt ime cen‐
trally unloc ksthev ehicle.
RVehicles with KEYLESS-GO: Ifyo ut ouch
th ei nner sur face of thed oor handle on the
driver's door ,onlyt he driver's door and fuel
fi ller flap ar eunlocked.
Re ducing the energy consu mptionoft he
SmartK ey
Ifyo udon otintendtou sethev ehicle fora n
ex tende dperio doft ime,youc an deactivat ethe
fo llowing function sonthe SmartK ey.
RKEYLESS-GO startin gfunction
RKEYLESS-GO
56
Opening and closing 

#Vehicles with HANDS-FREE ACCESS: use
yo ur foot to kickb elow theb umper
(
→pag e66).
Au tomatic reve rsing function of th etrunk lid
If an objec trestricts thet runk lid during the
automatic closingp rocess, thet runk lid opens
again automaticall y.The automatic reve rsing
function is onl yanaid and is no tasubstitut efor
yo ur attentiveness.
#When closing, mak esuret hat no body parts
ar eint he closing area.
&
WARNING Risk of becoming trapped
despite reve rsing function
The reve rsing function does no treact:
Rto soft, light and thin objects, e.g. fingers.
Rove rthe last Óin (8 mm) of thec losing
path.
In these situation sinparticular ,the reve rsing
function canno tpreve nt someone being trap‐
ped.
#Whe nclosing, make surethat no body
parts ar einthe closing area.
If someone is trapped:
Rpress thep button on theS martK ey,
or
Rpress ther emo teoperating switc honthe
driver's door ,or
Rpress thec losing or locking button on the
trunk lid, or
Rpull thet runk lid handle.
HANDS-FREE ACCESS function
With HANDS-FREE ACCES Syou can open, close
or stop thec losing process of thet runk lid by
per form ing akickin gmovement unde rthe rear
bumper.
The kickin gmovement trigger sthe opening or
closing process alternately.
66 Opening and closing 

1Closing
2Opening
The butto ns inthed rive r's door take prece‐
dence.
#To star ta utomatic operation: press/pull
th eW button be yond thep ressur epoint.
#Tointer rupt automatic operation: press or
pul lthe W button again. Au
tomatic reve rsing function fort he side
windo ws
If an object bloc ksas ide wind owduring the
closing process, thes ide windo wopens again
automaticall y.The automatic reve rsing function
is onl yana id and is no tasubstitut efor your
attentiveness.
#When closing, mak esuret hat no body parts
ar eint he closing area.
&
WARNING Risk of becoming trapped
despite reve rsing pr otection on thes ide
window
The reve rsing function does no treact:
RTo soft, light and thin objects, e.g. small
fi ngers.
ROver thel ast ã(4 mm) of thec losing
mo vement.
RDuring resetting.
RWhen closing thes ide windo wagain man‐
uall yimmediately af tera utom aticreve rs‐
ing.
This meanst hatther eve rsing function can‐
no tp reve nt someonef romb eing trapped in
th ese situations.
#When closing, mak esuret hat no body
parts ar einthe closing area.
#If someone becomes trapped, press the
W button toopen thes ide window
again.
Ve ntilating thev ehicle befor estarting ajour‐
ne y( conve nience opening)
&
WARNING Risk of entrapment when
opening asidew indow
Whe nopening asidew indo w, parts of the
body could be dr awninorb ecome trapped
betwee nthe side windo wand windo wframe.
#When opening ,makes uret hat nobody
is touchingt he side windo w.
#Release theb utton immediatel yif
somebody becomes trapped.
Openin gand closing 71 

Theexterior lighting (e xcep tp arking lights and
st anding lights) switch es offautomaticall ywhen
th ed rive r's door is opened.
Au tomatic drivin glights
The pa rking lights, lo wbeam and daytime run‐
ning lights ar eswitched on au tomatically
depending on thei gnition status ,whether the
engine is running and on thel ight conditions.
&
WARNING Risk of accident whe nthe low
beam is switched of finpoor visibility
When thel ight switc hissetto Ã,t he low
beam ma ynotbe switched on automatically
if th er eisf og, sno worother causes of poor
visibility suc hasspray .
#In suc hcases, tur nthe light switc hto
L.
Ac tivating/deactivatin gthe rear fogl ight
Re quirement
The light switc hisintheL orà position.
#Press theR button. Please obser
vethec ountry -specific la wsonthe
use of rear fogl amps.
Operating thel ight combination switch
:High beam
;Turn signal light, right
=Headlam pflashing
?Turn signal light, left
#Pull or push thec ombination switc hinthe
re leva nt di rection following thea rrow .
Switching on theh igh beam manually
#Vehicles with Adaptiv eHighbeam Assis t:
Tu rn thel ight switc htotheL position.
Press thec ombination switc hbeyond the
pressur epoint in thed irection of ar row:.
When theh igh beam is activated, thei ndicator
lam pfor lo wbeamisd eactivated and replaced
by thei ndicator lam pfor theh igh beam.
#Toswitc hofftheh igh beam: movethe
combination switc hbacktoi tsstartin gposi‐
tion.
#To indicat ebriefl y:press thec ombination
switc hbriefly up tothep ressur epoint in the
direction of ar row;or?.
The cor responding tur nsignal light flashes
th re et imes.
#To indicat efor ad uration: pressthe combi‐
nation switc hbeyond thep ressur epoint in
th ed irection of ar row;or?.
Light and visibility 111 

#Toswitc hont he powersupp ly:press but‐
to n1 (USA) or 2(Canada )once.
Yo uc an no wactivat et he windshield wiper,
fo re xamp le.
The po wersupp lyis switched of fagain if thef ol‐
lowing condition sareme t:
RThe driver's door is open.
RYoup ress butto n1 (USA) or 2(Canada)
twice.
#To switc hont he ignition: press button1
(USA) or 2(Canada) twice.
The indicator lamps in thei nstrument clus ter
light up.
The ignition is switched of fagain if one of the
fo llowing condition sismet:
RYo udon otstar tt he vehicle within
15 minutes.
RYoup ress butto n1 (USA) or 2(Canada)
once.
St arting thev ehicle
Starting thev ehicle wit hthe start/s topb ut‐
to n
Requ irements
RThe SmartK eyis located in thev ehicle and
th eS martK eybatter yisnotdischar ged.
#Shif tthe transmission toposition jori.
#Depress theb rake pedal and push button 1
(USA) or 2(Canada) once.
#Ifth ev ehicle does no tstart:s witc hoffnon-
essential consumer sand press button 1
(USA) or 2(Canada) once.
#Ifth ev ehicle still does no tstart:s tart the
ve hicle in emer gency operation mode.
Coolin gorheatingthe vehicl einterior before
st arting thej ou rney
If yo us tart thev ehicle via your smartphone, the
pr ev iousl yselecte dclimat econtrol setting is
active.
Befor estarting, mak esure:
RThe legal stipulation sinthe area wher eyour
ve hicle is par kedp ermit engin estartin gv ia
smartphone.
RIt is saf etostart and runt he engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star terb atter yhas been suf ficiently
ch arge d.
12 8
Driving and pa rking