Ifyo udo not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
RThe vehicle is loc ked again
RAnti- theft pr otection is reactivated
Do not keep the SmartK eytoge ther with elec‐
tronic devices or me tal objects. This can af fect
th e SmartK ey's functionality.
00CE If battery check lamp 2does not light up
af te r pressing the0036 or0037 button, the
battery is dischar ged.
Changing the SmartK eybattery (
→page 59).
Activating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
0086 9 H K L F O H00CFî 9 H K L F O H 6 H W
W L Q J V00CF $ F R X V W L F / R F N
00BBAc tivate 0073or deacti vate 0053 the function.
Ac tivating/deactivating the panic alarm
Re quirements
00CE The panic alarm function is only available in
cer tain countries.
RThe ignition is switched off.
00BBTo activate: press button 1for app rox‐
ima tely one second.
A visual and audible alarm is triggered.
00BBTo deactivate: briefly press but ton1 again.
or
00BBPress thest art/ stop button on the dash‐
board (the SmartK eyis inside theve hicle).
Changing the unlocking settings
Po ssible unlocking functions of the SmartK ey:
RCentral unlo cking
RUn locking the driver's door and fuel filler flap
00BBTo switch between settings: pressthe
0036 and0037 buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selecte d:
RPressingthe0036 button a second time cen‐
trally unloc kstheve hicle.
RVe hicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked.
Re ducing the energy consu mption of the
SmartK ey
Allvehicles: ifyo udo not use theve hicle or a
SmartK eyfor an extended pe riod of time, you
can reduce the energy consum ption of the
58
Opening and closing
respective SmartK ey.To do so, deactivate the
SmartK eyfunctions.
00BBTo deactivate: pressthe0037 button on the
SmartK eytwice in rapid succession.
The battery check lamp of the SmartK ey
fl ashes twice brief lyand lights up once.
00BBTo activate: press any button on the Smart‐
Ke y.
00CE When theve hicle is star ted with the Smart‐
Ke yin thestow age compartment of the cen‐
te r console, the SmartK eyfunctions are
au tomatical lyactivated (
→page 132).
Re moving/inserting the mechanical key
00BBTo remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
00BBPull ou tme chanical key2 until it en gage s in
th e intermediate position.
00CE You can use the intermediate position of
mechanical key2 toattach theke yto ake y
ri ng.
00BBPress release knob 1again and fully
re mo vemechanical key2.
00BBTo inser t:press release knob 1.
00BBInsert mechanical key2 tothe intermediate
position or fully until it engages.
Re placing the SmartK eybattery
0071
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing batte ries may cause
serious damage tohealth.
There is a risk of fata l injur y.
00BBKeep batteries out of there ach of chil‐
dren.
00BBIf batteries are swallo wed, seek medical
attention immediately.
00D2ENVIRONMEN TALNO TEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them with the household
ru bbish.
00BB
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries.
Opening and closing 59
00BBVehicles with trunk lid co nvenience clos‐
ing: Press closing button 1inthe trunk lid.
00BBVe 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. 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 is not a substitute for
yo ur attentiveness.
00BBWhen closing, make sure that no body parts
are in the closing area.
0071
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 00C2in (8 mm) of the closing
path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped.
00BBWhen closing, make surethat no body
parts are in the closing area.
00BBIf someone is trapped, use one of the
fo llowing options:
RPress the008B 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.
RPress theto p of thest ar on the
trunk lid.
68 Opening and closing
All side windowscan be opened or closed simul‐
ta neously using button 1.
00BBSwitch onthe ignition.
00BBTo open: press and hold button 1tothe
pressure point.
00BBTo open full y:press and hold button 1
be yond the pressure point.
00BBTo close: pull and hold button 1.
Au tomatic reve rsing function of the side win‐
do ws
If an object bloc ksa side wind owduring the
closing process, the side window opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness.
00BBWhen closing, make sure that no body parts
are in the closing area.
0071
WARNING Risk of becoming trapped
despite there being reve rsing pr otection
on the side window
The reve rsing function does not react:
Rto soft, light and thin objects, e.g. small
fi ngers
Rdu ring resetting
This means that there ve rse function cannot
pr eve nt someone from becoming trapped in
th ese situations.
00BBWhen closing, make sure that no body
parts are in the closing area.
00BBIf someone becomes trapped, press the
0062 button toopen the side window
again.
Con venience opening (ventilating theve hicle
before starting a journey)
0071
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.
00BBWhen opening, make sure that nobody
is touching the side windo w.
00BBRelease the button immediately if
somebody becomes trapped.
0071 WARNING Risk of becoming trapped
when opening/closing the soft top .
When opening or closing the soft top, there
is a risk that parts of the body could become
trapped bymoving parts such as thero of
mechanism, the trunk lid, or the side win‐
do ws .
00BBWhen opening or closing, make sure
that no body parts are in the vicinity of
moving components.
Opening and closing 73
Problems withthe side windo ws
Problem
Possible causes/consequences and 0050Solutions
A side window cann otbe closed and
yo u cannot see the cause.
00BBCheck tosee if any objects are in the window guide.
0071 WARNING Risk of becoming trapped or fata lly injured if reve rsing pr otection is not activated
If yo u close a side windowagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could become trapped in the closing area in the process.
00BBMake sure that no parts of the body are in the closing area.
00BBTo stop the closing process, release the button or press the button again toreopen the side win‐
do w.
00BBClose the soft top.
If a side window is obstructed during closing and reopens again slightly:
00BBImmediately af terth e window bloc ks, pull the cor responding button again until the side window has
closed, and hold the button for an additional second.
The side window is closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly:
00BBRe peat the pr evious step.
The side window is closed without the automatic reve rsing function.
Opening and closing 75
0075NO
TEDama getothe soft top caused by
heavy objects
Heavy objects placed on the soft- top com‐
partment co ver can dama gethe soft top or
soft- top compartment co ver.
00BBDo not place heav yobjects on the soft-
to p compartment co ver.
00BBDo not sit on the soft- top compartment
co ver.
Fo r saf etyre asons, Mercedes-Benz recommends
opening or closing the soft top when theve hicle
is stationar y.
Do not exceed a maximum speed of 30 mph
(50 km/h) when driving (max. 35 mph
(60 km/h) to avoid inter rupting the closing proc‐
ess in theeve nt of slight excess speed).
00BBMake sure that the trunk separator is closed.
00BBClose the trunk lid.
00BBSwitch on the ignition.
00BBKe ep the brake pedal depressed when the
ve hicle is stationar y.
00BBToopen: pull and hold soft- top switch 1
until the soft top is fully opened.
The multifunction display sho wsthe opening
process of the soft top.
00BBTo close: press and hold soft- top switch 1
until the soft top is fully closed.
The multifunction display sho wsthe closing
process of the soft top.
0071
WARNING Risk of accident due to too
high speed during the soft- top opening
or closing procedure
If th eve hicle speed exceeds 35 mph
(60 km/h) the soft topstops during the
opening or closing procedure.
This impairs your view tothere ar.
00BBRe duce theve hicle speed tobelow
35 mph(6 0 km/h) or stop theve hicle,
paying attention toroad and traf fic con‐
ditions.
00BBOpe rate the soft- top switch again in
order toopen or close the soft top full y.
The cur rent procedu reisstopped at a speed
abo ve35 mph(6 0 km/h). The 2 S H Q &