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
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&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
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#Vehicles with trunk lid co nvenience clos‐
ing: Press trunk lid remo teoperating switch
1.
#Ve hicles with HANDS-FREE ACCESS: Use
yo ur foot to kick below the bumper
(
→page 66).
Au tomatic reve rsing function of the trunk lid
If an object restricts the trunk lid during the
automatic closing process, the trunk lid opens again automaticall
y.The automatic reve rsing
function is only an aid and not a substitute for
yo ur attentiveness.
#When closing, make sure that no body parts
are in the closing area.
&
WARNING Risk of becoming trapped
despite there ve rsing function
The reve rsing function does not react:
Rto soft, light and thin objects, e.g. fingers.
Rove rth e last Óin (8 mm) of the closing
path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped.
#When closing, make surethat no body
parts are in the closing area.
#If someone is trapped, use one of the
fo llowing options:
RPress thep button on the
SmartK ey.
RPress there mo teoperating switch
on the driver's door.
RPress the closing or locking button
on the trunk lid.
RPull the trunk lid handle.
HANDS-FREE ACCESS function
66
Opening and closing
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 72 of 482

#Toextend or retract: press button 1.
Side windows
Opening/closing the side windo ws
&
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame.
#When opening, make sure that nobody
is touching the side windo w.
#If someone is trapped, release the but‐
to n immedia tely or pull it in order to
close the side window again.
&
WARNING Risk of becoming trapped
when closing a side window
When closing a side windo w,body parts
could be trapped in the closing area in the
process.
#When closing, make sure that no body
parts are in the closing area.
#If someone is trapped, release the but‐
to n immedia tely or pres sth e button in
order toreopen the side windo w.
&
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Childr en could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded.
#Ac tivate thech ild saf etyloc kfo rth e
re ar side wind ows.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
70
Opening and closing
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Sliding sunroof
Opening/closingthe sliding sunroof
%
The term "slidin g sunro of" also refers to the
panoramic sliding sunroof.
& WARNING Risk of becoming trapped
while opening and closing the sliding
sunroof
During opening and closing, parts of the
body could getcaught in the sweep of the
sliding sunroof.
#When opening or closing, make sure
th at no body parts are in the sweep.
#Re lease the button immediately if
somebody becomes trapped.
or
#Press the button in any direction during
th e automatic opening/closing process.
The opening/closing process is stop‐
ped.
& WARNING Risk of becoming trapped if
th e sliding sunroof is operated bychil‐
dren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th eke ywit hyo u and lock theve hicle.
&
WARNING Risk of becoming trapped
while opening and closing thero ller sun
blind
When opening or closing, make sure that no
body parts become trapped between the
ro ller sun blind and frame or the sliding sun‐
ro of.
#When opening or closing, make sure
that no body parts are in the sweep of
th ero ller sun blind.
#Re lease the button immediately if
somebody becomes trapped.
or
#Press the button in any direction during
th e automatic opening/closing process.
The opening/closing process is stop‐
ped.
* NO
TEMalfunction caused bysnow and
ice
Snow and ice may lead toa malfunction of
th e sliding sunroof.
#Only open the sliding sunroof if it is free
of snow and ice.
* NO
TEDama gecaused byprotru ding
objects
Objects that pr otru de from the sliding sun‐
ro of may damage the sealing strips.
#Do not allow anything toprotru de from
th e sliding sunroof.
74
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.
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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