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SmartKey
Overvie wofSmartK eyfunctions
&
WARNING Risk of accident and injury
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
ROpe ndoors,t hereb yendangering other
persons or road users.
RGe tout of thev ehicle and be hit by
oncoming traf fic.
ROpe rate ve hicle equipment and become
trapped, fore xamp le.
In addition,c hildren could also se tthe vehi‐
cle in motion, fore xamp le,by:
RRe leasing thep arking brake.
RShifting thea utomatic transmission out
of par kposition jor shifting manual
transmission int oneutral.
RStartin gthe engine
#When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle.
#Ne verlea ve children and animals unat‐
te nde dint hevehicle.
#Ke ep theS martK eyout of reac hofc hil‐
dren.
* NO
TEDama getothek eycaused by
magnetic fields
#Ke ep thek eyaway from strong mag‐
netic fields.
1Loc ks
2Batter ychec klamp
3Unloc ks
4Opens/closes thet runk lid
5Pa nic alarm
The Smart Keyloc ks and unlo ckst he following
components:
RThe doors
RThe trunk lid
RThe fuel filler flap
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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 theS martK eytoge ther wit helec‐
tronic devices or me talo bjects. This can af fect
th eS martK ey's functionality.
% If batter ychec klamp 2does no tlight up
af te rp ressing the% or& button, the
batter yisdischar ged.
Changing theS martK eybatter y(
→page59).
Activating/deactivatin gthe acoustic lo cking
ve rification signal
Multimedia sy stem:
, 9 H K L F O H.î 9 H K L F O H 6 H W
W L Q J V. $ F R X V W L F / R F N
#Ac tivate Oor deacti vate ª thef unction.
Ac tivating/deactivatin gthe pani calarm
Requirements
% The panic alar mfunction is onl yavailable in
cer tain countries.
RThe ignition is switched off.
#To activate: press button 1fora pprox‐
ima tely one second.
Av isual and audiblea larmist riggered.
#To deactivate: brieflyp ress but ton1 again.
or
#Press thes tart/s topb utton on thed ash‐
boar d(theS martK eyis inside thev ehicle).
Changing theu nlocking settings
Possible unlocking functions of theS martK ey:
RCentral unlo cking
RUn lockin gthe driver'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
Allvehicles: ifyo udon otuse thev ehicle or a
SmartK eyforane xtende dperio doft ime,you
can reduce thee nergy consum ption of the
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respectiv eSmartK ey.Todos o, deactivat ethe
Sma rtKe yfunctions.
#To deactivate: pressthe& button on the
SmartK eytwice in rapid succession.
The batter ychec klam poft he SmartK ey
fl ashes twic ebrief ly and lightsupo nce.
#To activate: press anybutton on theS mart‐
Ke y.
% When thev ehicle is star tedw itht he Smart‐
Ke yint he stow agec ompartment of thec en‐
te rc onsole, theS martK eyfunctions are
au tomatical lyactivated (
→pag e136).
Removing/insertin gthe mechanical key
#To remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
#Pull ou tmechanical key2 until it en gage sin
th ei ntermediat eposition.
% Youc an use thei ntermediat eposition of
mechanical key2 toattac hthe keytoak ey
ri ng.
#Press release knob 1again and fully
re mo vemechanica lkey 2.
#To inser t:press release knob 1.
#Insertmechanical key2 tothei ntermediate
position or full yuntil it engages.
Replacing the SmartK eybattery
&
DANG ER Serious damag etohealth
caused byswallowing batteries
Batteries contain toxic and cor rosiv es ub‐
st ances. Swallowing batte ries ma ycause
serious damag etohealth.
Ther eisar isk offata linjur y.
#Keep batteries out of ther eac hofc hil‐
dren.
#If batteries ar eswallowe d, seek medical
attention immediately.
+ENVIRONMEN TALN OTEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them wit hthe household
ru bbish.
#
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified
specialis tworks hop or toac ollection
pointf or used batteries.
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Requirements:RYour equir eaCR2 0323Vc ell batter y.
Mercedes-Benzr ecommendsthat youh ave the
batter yreplaced at aqualified specialis twork‐
shop.
#Re mo vethee mer gency key(→pag e59).
#Press release button 2down full yand slide
co ver1 inthed irection of thea rrow .
#Fold out co ver1 inthed irection of the
ar row and remo ve.
#Re mo vebatter ycompartment 3and take
out thed ischar gedb atter y.
#Inser tthe ne wbatter yintob atter ycompart‐
ment 3.O bservethep ositiv epole marking
in theb atter ycompartmen tand on theb at‐
te ry.
#Push in batter ycompartment 3.
#Re-attac hcove r1 and push it until it
engages.
Problems with theS ma rtKe y
Problem
Possible causes/consequences and MSolutions
Yo uc an no longe rloc koru nlockthe
ve hicle. Po
ssible causes are:
RThe SmartK eybatter yisdischar gedorn early dischar ged.
RTher eisi nterfere nce from apowe rful radio signal source.
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ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Chec kthe batter yusing theb atter ychec klam pand replace if necessar y.
#Usethem echanical keytol ockoru nlock.
#Have theS martK eycheckedataq ualified specialis tworks hop.
Yo uh ave lostaS martK ey.
#Ha ve theS martK eydeactivated at aqualified specialis tworks hop.
#If necessar y,ha ve thel oc ks changed as well.
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Doors
Unlocking and opening door sfromt he inside
#Tounlock and open afront door: pulldoor
handle 2.
Locking pin 1pops up whe nthe door is
unloc ked.
#To unlock arear 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.
Centrall ylocking and unlocking thev ehicle
from thei nside
#To unlock :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/unlocking thev ehicle wit hKEY‐
LESS-GO
Requ irements:RThe SmartK eyis outside thev ehicle.
RThe dis tance betwee nthe SmartK eyand the
ve hicle does no texceed 3ft(1m ).
RThe driver's door and thed oor at whic hthe
door handle is used ar eclosed.
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#Tounlock thev ehicle: touc ht he inner sur‐
fa ce of thed oor handle.
#Toloc kthe vehicle: touc hs ensor sur face
1 or2.
#Co nvenience closing: touc hr ecessed sen‐
sor sur face 2 forane xtende dperiod.
% Further information on con venience closing
(
→pa ge 74).
If yo uo pen thet runk lid from outside it is auto‐
maticall yunloc ked.
Problems wit hKEYLESS-GO
Problem
Possible causes/consequences and MSolutions
Yo uc an no longe rloc koru nlockthe
ve hicle using KEYLESS-GO. Po
ssible causes are:
RKEYLESS-GO has been deactivated .
RThe SmartK eybatter yisdischar gedorn earlydischar ged.
RTher eisi nterfere nce from apowe rful radio signal source.
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ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Activat eKEYLESS-GO.
#Chec kthe batter yusing theb atter ychec klam pand replace if necessar y.
#Usethem echanical keytol ockoru nlockthe vehicle .
#Ha ve thev ehicle and SmartK eycheckedataq ualified specialis tworks hop.
Ac tivating/deactivatin gthe automati cloc k‐
ing feature
The vehicle is loc keda utomatically when the
ignition is switched on and thew heels ar eturn‐
ing fast erthan walkin gpace.
#Toactivate: press and hold button 2for
appr oximatel yfives econds until an acoustic
signal sounds.
#To deactivate: press and holdb utton1 for
appr oximatel yfives econds until an acoustic
signal sounds.
Ther eisad anger of being loc kedo ut if thef unc‐
tion is activated:
RWhile thev ehicle is being tows tarted/
pushed.
ROn aroller dynamome ter.
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