Sy
stem limitations
The sy stem will no tinitiat eanyaction in thef ol‐
lowing situations:
R when reve rsing
or
R when thev ehicle is towing atrailer and there
is ar isk of arear impact
The sy stem will no tinitiat eanybraking applica‐
tion in thef ollowing situations:
R whils tdriving
or
R when entering or exitin gap arkin gspace
while using ActiveP arking Assist 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 centre ofthev 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 yedor
is faulty ,the PRE-SAFE impulse side inoperative
See Owner's Manual displaymessag eisshown
(→ pag e466). Children in
thev ehicle Note
sont he saf etransportation of children &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unat tende dint hevehi‐
cle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
R Releasing thep arking brake.
R Shifting thet ransmission out of park
position j.
R Startin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Car Keyint he smartphone"
function is activated via theM ercedes
me connect weba pp. &
WARNING Thisp oses an increased risk
of deat hduetoheat strokeorexposure
to cold in thev ehicle
If persons –particularly children –expe ri‐
enc eprolonged exposur etoextremely high
or lo wtemperatures, this poses arisk of
inju ryor eve nfatal injur y. #
Neverlea ve anyone –p articularly chil‐
dren –unat tende dint hevehicle. &
WARNING Risk of bu rnsw hen 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. 46
Occupant saf ety
In addition,
they ma yoperat evehicle equip‐
ment. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Car Keyint he smartphone"
function is activated via theM ercedes
me connect weba pp. &
WARNING Thisp oses an increased risk
of deat hduetoheat strokeorexposure
to cold in thev ehicle
If persons –particularly children –expe ri‐
enc eprolonged exposur etoextremely high
or lo wtemperatures, this poses arisk of
inju ryor eve nfatal injur y. #
Neverlea ve anyone –p articularly chil‐
dren –unat tende dint hevehicle. &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar etrave lling in thev ehicle, they
could:
R Ope ndoors,t hereb yendangering other
persons or road users.
R Getout of thev ehicle and be hit by
oncoming traf fic.
R Ope rate ve hicle equipment and become
trapped, fore xamp le. #
Alw aysa ctivat ethe child saf etyl oc ks
ins talled if children ar etrave lling in the
ve hicle. #
Neverlea ve children unat tende dint he
ve hicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Car Keyint he smartphone"
function is activated via theM ercedes
connect me weba pp. Child saf
etyl oc ks area vailable fort he rear doors
and fort he rear side wind ows.
The child saf etyl oc kont herear door ssecures
eac hdoor separatel y.The door scan no longer
be opened from thei nside. #
Press thel eve rind irection 1(activate) or
2 (deactivate). #
Mak esuret hat thec hild saf etyl oc ks are
wo rking properly. 64
Occupant saf ety
Key
Overvie
wofkeyfunctions &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R ope ndoors,t hereb yendangering other
persons or road users.
R geto utofthev ehicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, fore xamp le.
In addition ,children could also se tthe vehi‐
cle in motion, fore xamp le,by:
R releasing thep arking brake.
R shifting thea utomatic transmission out of
par kposition jor shifting manual trans‐
mission int oneutral.
R startin gthe engine. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
Keep thev ehicle keyo ut of reac hof
ch ildren. *
NO
TEDama getothek eycaused by
magnetic fields #
Keep thek eyaway from strong mag‐
netic fields. 1
Locks
2 Batter ychec klamp
3 Unloc ks
4 Opens/closes thet ailgate
The keyloc ks and unlo ckst he following compo‐
nents:
R The doors
R The tailgate
R The fuel filler flap
If yo udon otopen thev ehicle within appr ox‐
imatel y40seconds af teru nlocking:
R The vehicle is loc keda gain 66
Openin gand closing
R
Anti-thef tprotection is reactivated
Do no tkeep thek ey to gether 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.
Changing thek eybat tery ( →pag e68). Ac
tivating/deactivatin gthe acoustic lo cking
ve rification signal Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Acoustic lock #
Activate Oor deacti vate ª thef unction. Ac
tivating/deactivatin gthe pani calarm Re
quirements:
% The panic alar mfunction is onl yavailable in
cer tain countries.
R The ignition is switched off. #
Toactivate: press button 1fora pprox‐
ima tely one second.
Av isual and audibl ealarmist riggered. #
Todeactivate: brieflyp ress but ton1again.
or #
Press thes tart/s topb utton on thec ockpit
(the keyisi nside thev ehicle). Changing
theu nlocking settings Po
ssible unlocking functions of thek ey:
R Central unlocking
R Unlocking thed rive r's door and fuel filler flap #
Toswitc hbetwe en settings: pressthe
% and& button ssimultaneousl 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 selec ted:
R Pressing the% button asecon dtime cen‐
trally unloc ksthev ehicle.
R Vehicles 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 hekey All
vehicles: ifyo udon otuse thev ehicle or a
ke yf or an extende dperio doft ime,youc an
re duce thee nergy consum ption of ther espec‐
tiv ek ey.T odos o, deactivat ethe keyf unctions. #
Todeactivate: pressthe& button on the
ke yt wice in rapid succession.
The batter ychec klam poft hekeyf lashes
twic ebrief ly and light suponce. #
Toactivate: press anybutton on thek ey. Opening and closing
67
%
When thev ehicle is star tedw itht he keyin
th es towa ge compartment of thec ent recon‐
sole, thek eyfunction sareautomatical ly
activated (→ page169). Re
moving/insertin gthe eme rgency key #
Toremo ve: press release knob 1.
Emer gency key2is pushed out slight ly.#
Pull out emer gency key2until it en gage sin
th ei ntermediat eposition.
% Youc an use thei ntermediat eposition of
emer gency key2toattac hthe keytoak ey
ri ng. #
Press release knob 1again and fully
re mo veemer gency key2. #
Toinser t:press release knob 1. #
Inser temer gency key2tothei ntermediate
position or full yuntil it engages. Re
placing the keyb attery &
DANG ER Serious damag etohealth
caused byswallowing batteries
Batteries contain toxic and cor rosiv es ub‐
st ances. Swallowing bat teries 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 OTE Environmental
dama gedue toimproper disposal of bat‐
te ries Batteries 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
poin tfor used batteries. Re
quirements:
R Your equir eaCR2 0323Vc ell batter y.
Mercedes-Benzr ecommendsthat youh ave the
batter yreplaced at aqualified specialis twork‐
shop. 68
Opening and closing
#
Remo vethee mer gency key( →pag e68). #
Press release button 2down full yand slide
co ver 1inthed irection of thea rrow. #
Fold out co ver1inthed irection of the
ar row and remo ve. #
Remo 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 hcover 1and push it until it
engages. Problems with
thek ey Problem
Possible causes/consequences and M MSolutions
Yo uc an no lon gerloc koru nlockthe
ve hicle. Po
ssible causes:
R The keyb atte ry is dischar gedorn early dischar ged.
R Ther eisi nterfere nce from apowe rful radio signal source.
R The keyisf aulty. #
Chec kthe batter yusing theb atter ychec klam pand replace if necessar y. #
Use thee mer gency keytol ockoru nlock. Opening and closing
69
Problem
Possible causes/consequences and M
MSolutions #
Have thek eycheckedataq ualified specialis tworks hop.
Yo uh ave lostak ey. #
Have thek eydeacti vatedataq ualified specialis tworks hop. #
If necessar y,ha ve thel oc ks changed as well. Doors
Note
sont he additional doo rlock The additional door loc
kisonlya vailable for
ve hicles fort he United Kingdom. &
WARNING Risk of inju ryto persons
inside thev ehicle when thea dditional
door loc kisactivated
If th ea dditional door loc kisactivated, the
door scan no longer be opened from the
inside.
If th er ea repersons in thev ehicle, they can
no longer le avet he vehicle, e.g. in hazardous
situations. #
Neverlea ve persons unattended in the
ve hicle, particularly children, elderly
person sorpersonsinneed of help. #
Ifth er ea repersons in thev ehicle, do
no ta ctivat ethe additional door loc k. The additional door loc
kisautomaticall yactiva‐
te d:
R Afterl ocking thev ehicle wit hthe key.
R Afterl ocking thev ehicle using KEYLESS-GO.
% Afterl ocking thev ehicle, theh ornc an be
operated foras horttime.
% Afterl ocking thev ehicle, pressing theb utton
to centrally unloc kthe vehicle from inside
will trigger an alar m(→pag e71). If
th ea dditional door loc kisactivated, thed oors
cann otbe opened from thei nside.
Yo uc an deactivat ethe additional door loc kby
deactivating thei nterior pr otection (→ page92). Un
locking/opening thed oor sfromt he inside #
United Kingdom onl y:obser vethen otes on
th ea dditional door loc k(→ pag e70). 70
Openin gand closing
#
Pull door handle 2.
Locking pin 1pops up when thed oor is
unloc ked. Centrall
ylocking and unlocking thev ehicle
from thei nside #
Tounlo ck:press button 1. #
Tolock: press button 2.
This does no tloc koru nlockthe fuel filler flap.
The vehicle is no tunloc ked:
R Ifyo uh ave lockedt he vehicle using thek ey. R
Ifyo uh ave lockedt he vehicle using KEY‐
LESS-GO. Locking and unlocking
thev ehicle wit hthe
mo bile phone (NFC) Re
quirements:
R The vehicle is equipped wit hthe "digital vehi‐
cle key" function.
R The "digital vehicle key" function is activated
via theM ercedes me connect weba pp:
http://www.mercedes.me.
R Asuitable mobile phone wit hNFC aerial
(Near Field Communication) and Secur eEle‐
ment.
R Asufficient charge status on them obile
phone. On some mobile phones, thef unction
is also available when theb atter yisd is‐
ch arge d.
% Youc an checkt he suitability of your mobile
phon ebye ntering thep hone number at
http://www.mercedes.me. Openin
gand closing 71