
1
Adjusts thes eats electrically →
91
2 Switches thes eat heater on/off →
97
3 Switches thes eat ventilation on/o ff →
98
4 Adjusts thef ront passenger seat from thed riv‐
er's seat →
93
5 Sets them emor yfunction →
103
6 W Opens/closes ther ear lef tside wind ow →
80
7 W Opens/closes thel efts ide window →
80
8 Adjusts and folds theo utside mir rors out/in
electrically →
131 9
Opens/closes theb ootlid →
73
A W Opens/closes ther ight side window →
80
B W Opens/ closes ther ear right side window →
80
C Opens thed oor →
68
D & Locksthev ehicle →
69
E % Unlocksthev ehicle →
69
F Seat adjustment using them ultimedia sy stem →
95
G Adjusts theh ead restra ints →
93 At
ag lanc e–Door control pane land seat adjustment 13

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.
Moreo ver,ch ildren could also se tthe vehicle
in motion by,for example:
R releasing thep arking brake.
R shifting thea utomatic transmission out of
par kposition j.
R startin gthe engine. #
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 Vehicle Keyint he smartphone"
function is activated via theM ercedes
me connect weba pp. #
Keep thek eyso ut of ther eac hofc hil‐
dren. This also applies tomobile
phones if the" Digital Vehicle Keyint he
smartphone" function is activated via
th eM ercedes me connect weba pp. *
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 theb ootlid
The keyloc ks and unlo ckst he following compo‐
nents:
R Doo rs
R Boo tlid
R Fuelfiller flap
If yo udon otopen thev ehicle within appr ox‐
imatel y40seconds af teru nlocking:
R The vehicle is loc keda gain 62
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. 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
63

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 dint hefollowing situations:
R The vehicle is loc kedu sing thek ey.
R The vehicle is loc kedu sing KEYLESS-GO.
% Afterl ocking youc an issue asignal wit hthe
horn.
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 (→ page89). Un
locking/opening thed oor sfromt he inside Un
ited Kingdom onl y:obser vethen otes on the
additional door loc k(→ pag e66). #
Pull door handle 2.
Lockin gpin1 pops up when thed oor is
unloc ked. 66
Openin gand closing

Locking
thed oor sfromt he inside #
Take thek eywit hyou when exitin gthe vehi‐
cle and close thed rive r's door. #
Press down locking knob 1onthed rive r's
door from thef ront passenger seat. #
Exit thev ehicle and press down thel ocking
knob on thef ront passenger door. #
Close thef ront passenger door. Locking/unlocking
thev ehicle centrall yfrom
th ei 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. Un
locking/locking thev ehicle via amobile
phone Re
quirements:
R The vehicle is equipped wit hthe "Digital Car
Ke y" function.
R The "Digital Car Key" function is activated via
th eM ercedes me connect weba pp: http://
www.mercedes.me.
R Suitable mobile phone wit hNFC aerial (Near
Field Communication) and Secur eElement.
R Suf ficient charge leve loft he mobile
phone. On somemobile phones, thef unction
is also available when theb atter yisd is‐
ch arge d.
If th ev ehicle has been par kedf or longer than
tw ow eeks, theN FC aerial in thed oor handle is
deactivated. Pull thed oor handle toactivat ethe
NFC aerial again. Opening and closing
67

%
Youc an checkt he suitability of your mobile
phon ebye ntering thep hone number at
http://www.mercedes.me.
Information about suitable mobile phones
can be obtained from your Mercedes-Benz
servic ecentr eorath ttp://www.mercedes-
benz.com/connect.
% Mercedes-Ben zrecommends that youc arry
th ee mer gency keyinc aseoff unction
re strictions.
% The function is only available in combination
wit hM ercedes me connec tand on lyin cer‐
ta in countries.
% Protectiv ecases around them obile phone
can impair thef unctionality. #
Mak esuret hat thec har geleve loft he mobile
phone is suf ficient. If necessar y,ch arge the
mobil ephone befor eunlocking thev ehicle. #
Touc ht he door handle on thed rive r's door in
th ea reaw hereN FC aerial 1is located with
th ep artoft he mobile phone wher ethe NFC
aerial is located.
The vehicle is loc kedoru nlockeda lternately.
If yo ul ose your mobile phone, deactivat ethe
"Digital Car Key" servic einMercedes me con‐
nect at https://www.mercedes.m e.%
Mercedes-Benzr ecommendsthat youc arry
th ee mer gency keyinc aseoff unction
re strictions. Lo
cking and unlocking thev ehicle wit hKEY‐
LESS-GO Re
quirements:
R The keyiso utside thev ehicle.
R The dis tance betwee nthe keya nd thev ehicle
does no texceed 1m.
R The driver's doo rand thed oor at whic hthe
door handle is used ar eclosed. 68
Openin gand closing

in
thec 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
th ec losing process:
R Press thep button on thek ey.
R Press or pull ther emo teoperating
switc hont he driver's door.
R Press thec losing or locking button
on theb ootlid.
R Press thet op of thes taront he boot
lid. Ve
hicles with HANDS-FREE ACCESS: it is also
possible tostop thec losing process bymoving
yo ur foot inak ickin gmotion under ther ear
bumper.
Yo uh ave thef ollowing options toclos ethe boot
lid: #
Vehicles with boo tlid conve nience clos‐
ing: pull down theb ootlid slightl yand
re lease it as soon as it begin stoclose. #
Vehicles with boo tlid conve nience clos‐
ing: press and hold thep button on the
ke y( wit hthe keyint he vicinity of thev ehi‐
cle). #
Vehicles with boo tlid conve nience clos‐
ing: press closing button 1intheb ootlid. #
Vehicles with boo tlid conve nience clos‐
ing and KEYLESS-GO: press locking button
2 intheb ootlid.
If ak eyis de tected outsid ethe vehicle, the
boo tlid closes and thev ehicle is loc ked. Openin
gand closing 73

#
Vehicles with boo tlid conve nience clos‐
ing: press boo tlid remo teoperating switch
1. #
Vehicles with HANDS-FREE ACCESS: move
yo ur foot belo wthe bumper (→ page76).
Au tomatic reve rsing function of th ebootlid
If an objec trestricts theb ootlid during thea uto‐
matic closing process, theb ootlid opens 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
despi tereve rsing function
The reve rsing function does no treact:
R tosoft, light and thin objects, e.g. fingers.
R overthe las t8mmoft he closing path.
In these situation sinparticular ,the reve rsing
function canno tpreve nt someone being trap‐
ped. #
Whe nclosing, ma kesur ethat no body
parts ar einthe closing area. #
If someone is trapped, use one of the
fo llowing options:
R Press thep button on thek ey.
R Press ther emo teoperating switch
on thed rive r's door.
R Press thec losing or locking button
on theb ootlid.
R Press thet op of thes taront he boot
lid. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCES Syou can open, close
or inter rupt boo tlid mo vement byper form ing a
kickin gmovement unde rthe rear bumper.
The kickin gmovement trigger sthe opening or
closing process alternately.
Obser vethen otes when opening (→ page71)
an dc losin g(→ pag e72)theb ootlid. 74
Opening and closing