Page 20 of 521
1
Adjusts thes eats electrically →
95
2 Switches thes eat heater on/off →
100
3 Switches thes eat ventilation on/o ff →
102
4 Adjusts thef ront passenger seat from thed riv‐
er's seat →
97
5 Sets them emor yfunction →
106
6 W Opens/closes ther ear lef tside wind ow →
81
7 W Opens/closes thel efts ide window →
81
8 Adjusts and folds theo utside mir rors out/in
electrically →
12 9 9
Opens/closes theb ootlid →
75
A W Opens/closes ther ight side window →
81
B W Opens/closes ther ear right side window →
81
C Opens thed oor →
70
D & Locksthev ehicle →
71
E % Unlocksthev ehicle →
71
F Seatadjustment using them ultimedia sy stem →
99
G Adjusts theh ead restra ints →
97 At
ag lanc e–Door control pane land seat adjustment 17
Page 67 of 521

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 Glov eb ox
R Fuelfiller flap 64
Opening and closing
Page 68 of 521

If
yo udon otopen thev ehicle within appr ox‐
imatel y40seconds af teru nlocking:
R The vehicle is loc keda gain
R Anti- 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 .
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. Opening and closing
65
Page 71 of 521

Problem
Possible causes/consequences and M
MSolutions #
Chec kthe batter yusing theb atter ychec klam pand replace if necessar y. #
Use thee mer gency keytol ockoru nlock. #
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 (→ page93). Un
locking/opening thed oor sfromt he inside Un
ited Kingdom onl y:obser vethen otes on the
additional door loc k(→pag e68). 68
Opening and closing
Page 72 of 521
#
Pull door handle 2.
Locking pin 1pops up when thed oor is
unloc ked. 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
and theg love compa rtment. Opening and closing
69
Page 73 of 521

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.
% 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.70
Openin gand closing
Page 74 of 521

%
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. #
Tounlo ckthev ehicle: touc ht he inner sur‐
fa ce of thed oor handle. #
Toloc kthe vehicle: touc hs ensor sur face
1 or2. #
Convenience closing: touc hr ecessed sen‐
sor sur face 2 forane xtende dperiod.
% Forfurther information on con venience clos‐
ing (→ page 83).
If yo uo pen theb ootlid from outside, theb ootlid
is automaticall yunloc ked. Problems wit
hKEYLESS-GO Problem
Possible causes/consequences and M
MSolutions
Yo uc an no lon gerloc koru nlockthe
ve hicle using KEYLESS-GO. 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. Opening and closing
71
Page 78 of 521

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: 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. #
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 (→ page78).
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 Opening and closing
75