Page 78 of 497
Problem
Possible causes/consequences and M
MSolutions
R The key is faulty. #
Activate KEYLESS-GO . #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theve hicle and keych ecked at a qualified specialist workshop. Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
There is a danger of being loc ked out if the func‐
tion is activated:
R While theve hicle is being tow star ted/
pushed.
R On a roller dynamome ter. Opening and closing
75
Page 79 of 497

Locking/unlocking
the driver's door with the
emer gency key element %
Ifyo u wish tolock theve hicle entirely using
th e emer gency key element, firs t press the
button for locking from the inside while the
driver's door is open. Then proceed tolock
th e driver's door using the emer gency key
element. #
Insert the emer gency key as far as it will go
into opening 1inthe co ver. #
Pull and hold the door handle. #
Pull the co ver on the emer gency key as
st ra ight as possible away from theve hicle
until it releases. #
Release the door handle. #
Tounlo ck:turn the emer gency key anti-
clo ckwise toposition 1. #
Tolock: turnthe emer gency key clo ckwise to
position 1.
% Right-hand drive vehicles: turnthe emer‐
ge ncy key in the opposite direction in each
case. #
Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly. Boot
Opening the bo
otlid &
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
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. 76
Opening and closing
Page 81 of 497

#
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. &
WARNING Risk of becoming trapped
du ring au tomatic closing of the boot lid
Pa rts of the body could become trapped dur‐
ing automatic closing of the boot 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:
R Press thep button on thekey.
R Press or pull there mo teoperating
switch on the driver's door.
R Press the closing or locking button
on the boot lid. R
Pull the boot 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.
Yo u ha vethefo llowing options toclose the
boot lid: #
Pull the boot lid down using the handle
re cess and push it closed. #
Vehicles with HANDS-FREE ACCESS: with
th e boot lid comple tely opened, kick your
fo ot below the bumper (→ page 79). #
Vehicles with boot lid conve nience clos‐
ing: pullthe boot lid handle. #
Vehicles with boot lid conve nience clos‐
ing and KEYLESS-GO: withthe boot lid com‐
ple tely opened, press and holdthep but‐
to n on theke y (with theke y in the vicinity of
th eve hicle). #
Vehicles with boot lid conve nience clos‐
ing: press boot lid remo teoperating switch
1. 78
Opening and closing
Page 82 of 497

#
Vehicles with boot lid conve nience clos‐
ing: press closing button 1inthe boot lid. #
Vehicles with boot lid conve nience clos‐
ing and KEYLESS-GO: press locking button
2 inthe boot lid.
If a key is de tected outside theve hicle, the
boot lid closes and theve hicle is loc ked. Au
tomatic reve rsing function of the boot lid
If an object restricts the boot lid during the auto‐
matic closing process, the boot lid opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R overth e last 8 mm of the closing path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. #
When closing, ma kesure that no body
parts are in the closing area. #
If someone is trapped, use one of the
fo llowing options:
R Press thep button on thekey. R
Press there mo teoperating switch
on the driver's door.
R Press the closing or locking button
on the boot lid.
R Pull the boot lid handle. HANDS-FREE
ACCESS function Opening and closing
79
Page 84 of 497

The boot lid could be opened or closed uninten‐
tionall y,in thefo llowing situations:
R If a person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle, sitting on the edge of the boot,
or picking up objects.
R If objects are mo ved or placed behind the
ve hicle, e.g. charging cables, tensioning
st ra ps or luggage.
R When working on the trailer coupling, trailers
or rear bicycle rack s.
Deactivate KEYLESS-GO (→ page 68) or do not
car rytheke y about your person in such situa‐
tions. Swit
ching separate boot locking on or off If
yo u centrally unlo cktheve hicle while separate
locking is activated, the boot remains loc ked. #
Toswitch on: slidethe switch toposition
1. #
Toswitch off: slidethe switch toposition
2.
% If an accident has been de tected, the boot
unloc kseve n if separate lo cking is switched
on. Ac
tivating/deactivating the bo otlid opening
limiter Multimedia sy
stem:
, Vehicle .
Vehicle settings .
Boot
opening-height restriction
Ac tivating the function allo wsyouto av oid
bumping the boot lid on a low garage ceiling, for
ex ample. #
Activate or deacti vate the function. Ro
ller sunblinds Extending
there ar side window roller sun‐
blinds *
NO
TEDama getothe inertia reel due to
it snapping back If suddenly snapped bac
k,the inertia reel
may be damaged. #
Alw ays mo vethero ller sun blind man‐
uall y. Opening and closing
81
Page 86 of 497

Side windo
ws Opening and closing
the side windo ws &
WARNING Risk of becoming trapped
when opening a side window
When you open a side wind ow, 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 press the button in
order toreopen the side windo w. &
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Children could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded. #
Activate theove rride feature forthe
re ar side wind ows. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. Re
quirements:
R The po wer supply or the ignition is switched
on. 1
Closing
2 Opening
The buttons on the driver's door take prece‐
dence. #
Tostart automatic operation: pressthe
W button be yond the point of resis tance
or pull and release it. Opening and closing
83
Page 90 of 497

&
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
that no body parts are in the sweep. #
Release 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 entrapment if the slid‐
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. &
WARNING Risk of entrapment while
opening and closing thero ller sunblinds
When opening or closing, make sure that no
body parts become trapped between the
ro ller sunblind and frame or sliding sunroof. #
When opening or closing, make sure
that no body parts are in the sweep of
th ero ller sunblind. #
Release the switch immediately if
somebody becomes trapped.
or #
Press the switch 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. Opening and closing
87
Page 94 of 497

Problem
Possible causes/consequences and M
MSolutions
If th e sliding sunroof is obstructed again and reopens again slightly: #
Repeat the pr evious step.
The sliding sunroof is closed again with increased forc e.
Ve hicles without a panoramic slid‐
ing sunroof: The sliding sunroof does
not operate smoo thly. #
Pull the3 button up repeatedly tothe point of resis tance until the sliding sunroof is fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof.
Ve hicles with a panoramic sliding
sunroof: The sliding sunroof or the
ro ller sunblind does not opera te
smoo thly. #
Pull and hold the button 3littlebylittle until the sliding sunroof is fully closed. #
Pull and hold the button 3littlebylittle until thero ller sunblind is fully closed. #
Use automatic operation tofully open and then close the sliding sunroof. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R When a door is opened
R When the boot lid is opened
R When the bonn etis opened R
When the interior pr otection is triggered
(→ page 93)
R When tow- aw ay protection is triggered
(→ page 92)
The ATA sy stem is primed automatically af ter
appr oximately 10seconds:
R After locking theve hicle with thekey
R After locking theve hicle using KEYLESS-GO Opening and closing
91