Page 65 of 482

Unlocking/locking the driver's door using
th e emer gency key
%
Ifyo uwish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key.
#Insert the emer gency keyin to opening 1in
th e co ver.
#Pull and hold the door handle.
#Pull the co ver on the emer gency keyas
st ra ight as possible away from theve hicle
until it releases.
#Re lease the door handle.
#To unlock :turn the emer gency keycounter -
clo ckwise toposition 1.
#Tolock: turnthe emer gency keyclo ckwise to
position 1.
#Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly.
Tr unk
Opening the trunk lid
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
trunk lid is open when the engine is running,
especially if theve hicle is in motion.
#Alw ays switch off the engine before
opening the trunk lid.
#Ne ver drive with the trunk lid open.
Opening and closing 63
Page 67 of 482

&WARNING Risk of becoming trapped
duri ng au tomatic closing of the trunk lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the trunk lid. More‐
ove r,people, e.g. children, may be standing
in the closing area or may enter the closing
area during the closing process.
#Make sure that nobody is in the vicinity
of the closing area during the closing
process.
#Use one of thefo llowing options tostop
th e closing process:
RPress thep button on the
SmartK ey.
RPress or pull there mo teoperating
switch on the driver's door.
RPress the closing or locking button
on the trunk lid.
RPull the trunk lid handle.
Ve hicles with HANDS-FREE ACCESS: It is also
possible tostop the closing process bymoving yo
ur foot in a kicking motion under there ar
bumper.
To close the trunk lid, you ha vethefo llowing
options:
#Pull the trunk lid down using the handle
re cess and push it closed.
#Ve hicles with trunk lid co nvenience clos‐
ing: Pullthe trunk lid handle.
#Ve hicles with trunk lid co nvenience clos‐
ing: Press and hold thep button on the
SmartK ey(with the SmartK eyinthe vicinity
of theve hicle).
#Ve hicles with trunk lid co nvenience clos‐
ing: Press closing button 1inthe trunk lid.
#Ve hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: Press locking button
2 inthe trunk lid.
If a SmartK eyis de tected outside theve hicle,
th e trunk lid closes and theve hicle is loc ked.
Opening and closing 65
Page 69 of 482

With HANDS-FREE ACCESS you can open, close
or inter rupt trunk lid mo vement byper form ing a
kicking mo vement under there ar bumper.
The kicking mo vement triggers the opening or
closing process alternately.
Obser vethe no tes when opening (
→page 63)
and closing (→page 64)th e trunk lid.
% Awa rning tone sounds while the trunk lid is
opening or closing.
& WARNING Risk of burn s causedbya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS- FREEACCES S,you
could burn yourself by touching theex haust
sy stem.
#Alw ays ensure that you only ma kea
kicking mo vement within the de tection
ra nge of the sensors.
* NO
TEDama getotheve hicle caused by
unin tentional lyopening the trunk lid
RWhen using an automatic car wash
RWhen using a high pressure cleaner
#Deactivate KEYLESS-GO or make sure
that the SmartK eylocated is at least
10 ft(3 m) away from theve hicle in
such situations.
When making the kicking mo vement, make sure
th at you are standing firm ly on the ground, oth‐
erwise you could lose your balance, e.g. on ice.
Re quirements:
RThe SmartK eyis behind theve hicle.
RStand at least 12in (30 cm) away from the
ve hicle while per form ing the kicking mo ve‐
ment.
RDo not come into contact with the bumper
while making the kicking mo vement.
RDo not car ryout the kicking mo vement too
slowl y.
RThe kicking mo vement must be towa rdsth e
ve hicle and bac k.
1Sensor detection range
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
RThe area around the sensor is dirty, e.g. due
to road salt or snow .
RThe kicking movement is made using a pros‐
th etic leg.
Opening and closing 67
Page 70 of 482

The trunk lid could be opened or closed uninten‐
tionally,in thefo llowing situations:
RIf persons' arms or legs mo veinthe sensor
de tection range, e.g. when polishing theve hi‐
cle, sitting on the edge of the trunk, or pick‐
ing up objects.
RIf objects are guided behind or placed behind
th eve hicle, e.g. charging cables, tensioning
st ra ps or luggage.
RWhen working on the trailer coupling, trailers
or rear bicycle rack s.
Deactivate KEYLESS-GO (
→page 56) or do not
car rythe SmartK eyabout your person insuch
situations.
Switch ing separate trunk locking on/off
Ifyo u centrally unlo cktheve hicle while separate
locking is activated, the trunk remains loc ked.
#To switch on: slidethe switch toposition
1.
#To switch off: slidethe switch toposition
2.
% If an accident has been de tected, the trunk
unloc kseve n if separate lo cking is switched
on.
Un locking the trunk from inside with the
emer gency release
Prerequisites
The 12Vve hicle battery is connected and
ch arge d.
#Press emer gency release button 1brief ly.
The trunk lid is unloc ked and opens.
68
Opening and closing
Page 74 of 482

#Press and holdthe% button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is unloc ked.
RThe side windo wsare opened.
RThe sliding sunro of is opened.
RThe panoramic sliding sunroof is opened.
RThe seatventilation of the driver's seat is
switched on.
If th ero ller sunblinds of the panoramic sliding
sunroof are closed, thero ller sunblinds are
opened firs t.
#To continue the opening procedu re:press
th e% button again.
#Tointer rupt convenience opening: release
th e% button.
Closing side windo wsfrom the outside (con‐
ve nience closing)
&
WARNING Risk of entrapment caused by
inadver tent con venience closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof.
#Obser vethe comple teclosing proce‐
dure when using con venience closing.
#When closing, make surethat no body
parts are in the closing area.
#Press and hold the& button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is loc ked.
RThe side windo wsare closed.
RThe sliding sunro of is closed.
RThe panoramic sliding sunroof is closed.
#Toclose thero ller sunblinds: pressthe
& button again.
#Tointer rupt convenience closing: release
th e& button.
% Con venience closing can also be operated
wi th KEYLESS-GO (
→page 60).
Problems with the side windo ws
Problem
Possible causes/consequences and MSolutions
A side window cannot be closed and
yo u cannot see the cause.
#Check tosee if any objects are in the window guide.
72
Opening and closing
Page 81 of 482

Anti-theft protection
Immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect key.
The immobilizer is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on.
When leaving theve hicle, alw aysta ke theke y
with you and lock theve hicle. An yone can start
th e engine if a valid keyhas been lef tinside the
ve hicle.
% Intheeve ntthat the engine cannot bestar‐
te d (y etthest ar ter battery is charge d), the
sy stem is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FO R-MERCedes (in the USA) or
1-800-387-0 100 (in Canada).
ATA (anti-theft alarm system)
Fu nction of theATA system (anti-theft ala rm
sy stem)
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RA door is opened.
RThe trunk lid is opened.
RThe hood is opened.
The ATA sy stem is armed automatically af ter
appr oximately 10seconds:
RAfter locking theve hicle with the SmartK ey.
RAf ter locking theve hicle using KEYLESS-GO.
When theATA system is armed, indicator lamp
1 flashes.
The ATA sy stem is automatically deactivated:
RAf ter unlocking theve hicle with the Smart‐
Ke y.
RAfter pressing thest art/ stop button with the
SmartK eyinside theve hicle.
Opening and closing 79
Page 82 of 482
RAfter unlocking theve hicle using KEYLESS-
GO.
% When the mbrace service (
→page 272) is
ac tive and the alarm stay s on for more than
30 seconds, a message is automatically sent
to the Cus tomer Assis tance Center.
Deacti vating the ATA(anti-theft alarm sys‐
te m) ala rm
#Pressthe%, &orp button on the
SmartK ey.
or
#Press thest art/ stop button (the SmartK eyis
inside theve hicle).
St opping the ala rmusing KEYLESS-GO
#Grasp the outside door handle (with the
SmartK eyoutside theve hicle).
80
Opening and closing
Page 97 of 482

&WARNING Risk of entrapment if the
memory function is activated bychildren
Children could become trapped if they acti‐
va te the memory function, particularly when
unattended.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. This also applies tomobile
phones if the "Digital Car Keyin the
smartphone" function is activated via
th e Mercedes connect me web app.
The memory function can be used when the igni‐
tion is switched off.
Seat comfort positions for up tothre e people
can be stored and called up using the memory
function.
The following sy stems can be set using the
memory function:
RSeat, backrest and head restra int
RSt eering wheel
ROutside mir rors
RHead-up Display
#To save :set the seat, thesteering wheel, the
Head-up Display and the outside mir rors to
th e desired position.
#Press the memory button M toge ther with
one of thestorage position buttons 1,2 or 3.
An acknowledgment tone sounds. The set‐
tings are stored.
#To call up: press and hold button 1,2 or 3
until all the seat comfort sy stems are in the
st ored position.
St ow age areas
Note s on loading theve hicle
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
trunk lid is open when the engine is running,
especially if theve hicle is in motion.
#Alw ays switch off the engine before
opening the trunk lid.
#Ne ver drive with the trunk lid open.
Seats and stowing 95