
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

Doors
Unlocking and opening door sfromt he inside
#Tounlo ckand open afront door: pulldoor
handle 2.
Locking pin 1pops up whe nthe door is
unloc ked.
#To unlo ckarear door: pullther ear door
handle.
The locking pin pops up when ther ear door
is unloc ked.
#To open arear door: pullther ear door han‐
dle again.
Locking/unlocking thev ehicle centrall yfrom
th ei nside
#To unlo ck:press button 1.
#Tolock: press button 2.
This does no tloc koru nlockthe fuel filler flap.
The vehicle is no tunloc ked:
RIfyo uh ave lockedt he vehicle using the
SmartK ey.
RIfyo uh avel oc kedt he vehicle using KEY‐
LESS-GO.
Locking and unlocking thev ehicle wit hKEY‐
LESS-GO
Prerequisite sRThe SmartKeymus tbeo utsidethe vehicle.
RThe dis tance betwee nthe SmartK eyand the
ve hicle mus tnotexc eed 3ft(1m ).
RThe driver's door and thed oor of theh andle
being used mus tbothbec losed.
60
Openin gand closing

Unlocking/locking thed rive r'sd oor using
th ee mer gency key
%
Ifyo uw ish toloc kthe vehicle entirely using
th ee mer gency key,firs tp ress theb utton for
lockin gfromt he inside while thed rive r's
door is open. Then proceed toloc kthe driv‐
er's door using thee mer gency key.
#Inser tthe emer gency keyintoo pening 1in
th ec over.
#Pull and hold thed oor handle.
#Pull thec over on thee mer gency keya s
st ra ight as possible away from thev ehicle
until it releases.
#Re lease thed oor handle.
#Tounlo ck:tur nthe emer gency keyc ounter -
clo ckwise toposition 1.
#Tolock: turnthe emer gency keyc lock wise to
position 1.
#Carefully press thec ove rontot he loc kcylin‐
der until it engages and is seated firm ly.
Tr unk
Opening thet runk lid
&
WARNING Risk ofexhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if the
trunk li disopenw hent he engine is running,
especial lyifth ev ehicle is in motion.
#Alw ayss witc hoffthee ngine before
opening thet runk lid.
#Ne verd rive wit hthe trunk lid open.
Opening and closing 63

inthec losing area or ma yenter thec losing
area during thec losing process.
#Mak esuret hat nobody is in thev icinity
of thec losing area during thec losing
process.
Use one of thef ollowing options tostop the
closing process:
Rpress thep button on theS martK ey.
Rpress or pull ther emo teoperating switch
on thed rive r's door.
Rpress thec losing or locking button on the
trunk lid.
Rpull thet runk lid handle.
Ve hicles with HANDS-FREE ACCESS: it is also
possible tostop thec losing process byper form ‐
ing akickin gmovement under ther ear bumper.
Yo uh ave thef ollowing options toclos ethe trunk
lid:
#Pull thet runk lid down using theh andle
re cess and push it closed.
#Ve hicles with trunk lid co nvenience clos‐
ing: press and hold thep button on the
SmartK ey(wit hthe SmartK eyinthei mmedi‐
at ev icinit yoft hevehicle).
#Ve hicles with trunk lid co nvenience clos‐
ing: press closing button 1inthet runk lid.
#Ve hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: press lockingbutton
2 inthet runk lid.
If aS martK eyis de tected outsid ethe vehicle,
th et runk lid closes and thev ehicle is loc ked.
#Ve hicles with trunk lid co nvenience clos‐
ing: press trunk lid remo teoperating switch
1.
Opening and closing 65

#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

RAfteru nlocking thev ehicle using KEYLESS-
GO.
% Ifth em brace service (
→page247)isa ctive
and thea larms tays on form oret han 30 sec‐
onds, amessag eisautomaticall ysenttot he
Cus tomer Assis tance Center.
Deacti vatin gthe ATA (anti-thef talarm sys‐
te m) ala rm
#Pressthe%, &orp button on the
SmartK ey.
or
#Press thes tart/s topb utton on thec ockpit
(the SmartK eyis inside thev ehicle).
St opping thea larm using KEYLESS-GO
#Grasp theo utside door handle (wit hthe
Sma rtKe yo utside thev ehicle).
80
Opening and closing

#Tomount: positionhub cap 1and turn
unti litisc ompletelyf lush wit hthe wheel.
#Position soc ket2 on hubc ap1.
#Position wheel wrench 3on soc ket2 and
tighten theh ub cap clockwise.
Specified tightening torq ue: 18lb-ft
(25 Nm).
#Ra ise thev ehicle (→pag e335).
Raising thev ehicle when changing awheel
RequirementsRTher eareno persons in thev ehicle.
RThe vehicle is prepared foraw heelc hange
(→pag e334).
RThe hub caps ha vebeen remo ved
(→pag e334).
Impor tant no tesonu singthej ack:
ROnl yusethev ehicle-specific jac kthat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle.
RThe jac kisonlyd esigned forr aising and
holdingt hevehicle foras horttime while a whee
lisbeing changed and no tfor mainte‐
nance workunder thev ehicle.
RThe jac kmustbep laced on afirm, flat and
non-slip sur face. If necessar y,use alarge ,
load-bearing, non-slip underla y.
RThe base ofthej ackm ustbep ositioned ver‐
tically under thej acks uppor tpoint.
Rules of conduct when thev ehicle is raised:
RNe verp lace your hands or feet under the
ve hicle.
RDo no tlie under thev ehicle.
RDo no tstar tthe engine and do no trelease
th ep arking brake.
RDo no topen or close an ydoor sort he trunk
lid.
#Using thew heel wrench, loosen thew heel
bolts on thew heel youw ish tochang eby
about onef ull turn. Do no tunscr ewtheb olts
comple tely.
Wheels and tires 335

Lever. ..................................................1 62
Setting aspeed. .................................. 162
St oring aspeed ................................... 162
Sy stem limitations .............................. .159
Door Locking (emergency key) ...................... .63
Opening (from inside) ............................6 0
Un lockin g(emer gency key) .................. .63
Un lockin g(from inside )......................... 60
Door cont rolp anel .................................... .14
DO T,Tire Identification Numbe r(TIN) ... 324
Drinkin gand driving ................................ 130
DRIV EPILOT
Fu nctio n.............................................. 165
Driv eposition
Selecting ............................................ .137
Driv eprogram display .............................1 34
Driv eprograms ........................................ 134
Driver' sseat
see Seat
Drivin gligh t
see Automatic driving lights Drivings
afet ys ystem
AB S(Anti-loc kBrakin gS ystem) ........... 148
Ac tiveB rake Assi st.............................. 152
BA S(Brak eAssist System) .................. 148
Cr osswind Assist................................. 152
EBD (Electronic Brak eforce Distribu‐
tion) ..................................................... 15
2
ESP
®(Electroni cStabilityP rogram) ..... 149
ESP®(Electroni cStabilityP rogram)
Crosswind Assis t................................. 152
Setting ActiveB rake Assi st.................. 156
Drivin gsafet ys ystems
Overvie w............................................. .147
Drivin gsystem ........ .157,159, 172, 179, 184
360° camer a....................................... 177
Ac tiveB lind Spo tAssist ....................... 188
Ac tiveL aneK eeping Assis t.................. 190
Ad aptiv eDampingS ystem. ................. .169
AIR BODY CONTROL ............................ 169
AT TENTION ASSIS T.............................. 184
Blind Spo tAssist ................................. 188
Cruise cont rol. .................................... .157
Dis tance Pilo tDISTRONIC ................... 159
HOLD functio n.....................................1 68
Pa rking Pilo t....................................... .179 PA
RKTRONI C....................................... 172
Re ar vie wcamer a............................... .174
Spee dLimit Pilo t................................. 159
St eering Pilo t....................................... 165
Tr af ficS ign Assist ................................ 186
Drivin gsystems
Overvie w................................. ............
.147
R
e sponsibility ...................................... 147
Drivin gtips
Drinking and drivin g........................... .130
General driving tip s............................. 130
No tesonb reaking-in anew ve hicle ..... 130
Dr ows iness de tection
see Drivin gsystem
Dynamic multicontour seat Setting ................................................... 87
DY NA MIC SELECT
Configu ring driv eprogram I................. 135
Displ aying engin edata. ...................... .135
Displ aying vehicle dat a........................ 135
Driv eprogram displ ay..........................1 34
Driv eprograms ....................................1 34
Fu nctio n.............................................. 134
420
Index