tow MERCEDES-BENZ E-CLASS CABRIOLET 2018 User Guide

00BBYou should only use seat covers that
ha ve been appr oved forth e cor respond‐
ing seats byMercedes-Benz.
0071
WARNING Risk of injury duetomalfunc‐
tions of the sensors in the door paneling
Sensors tocontrol the airbags are located in
th e doors. Modifications or worknot per‐
fo rm ed cor rectly tothe doors or door panel‐
ing, as well as damaged doors, can lead to
th e function of the sensors being impaired.
The airbags might therefore not function
proper lyany more.
Consequent ly,th e airbags cannot protect
ve hicle occupants as they are designed to
do.
00BBNe ver modify the doors or parts of the
doors.
00BBAlw ays ha vewo rkon the doors or door
paneling car ried out at a qualified spe‐
cialist workshop.
0071
WARNING Risk of injury duetodeplo yed
airbag
A deplo yed airbag no longer has a pr otective
function and cann otprotect as intended in
th eev ent of an accident.
00BBHa ve theve hicle towe dto aqu alified
specialist workshop in order tohave the
deplo yed airbag replaced.
Ha ve deplo yed air bags replaced immediately.
St atus of the front passenger airbag
Fu nction of the front passenger front air bag
shuto ff
The automatic front passenger front air bag
shutoff is able todetect whe ther the front
passenger seat is occupied bya person or a
ch ild restra int sy stem. The front passenger air
bag and front passenger knee air bag are then
cor respondingly either enabled or deactivated. When ins
talling a child restra int sy stem tothe
front passenger seat, alw ays make sure of the
fo llowing:
REnsure that thech ild restra int sy stem is posi‐
tioned cor rectly (→page 47).
RAlw ays obser vethech ild restra int sy stem
manufacturer's ins tallation instructions.
RNe ver place objects, e.g. cushions, under or
behind thech ild restra int sy stem.
RFu lly retract the seat cushion length adjust‐
ment.
RThe entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
RThe backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat.
RThe child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the seat backrest inclina‐
tion and the head restra int setting accord‐
ing ly.
Occupant saf ety 41

0071WARNING Danger of injury or death
from obstructed roll bars
If yo u lea veobjects or items of clo thing on
th e co vers of thero ll bars, this may restrict
th ero ll bars as they ex tend.
Consequently, thero ll bars cannot pr otect as
th ey are designed todo. Furthermore, the
objects may endanger vehicle occupants
when thero ll bars extend.
00BBAlw ays make sure that there is no thing
in the sweep of thero ll bars.
00BBAlw aysstow and secure objects in the
ve hicle cor rectl y.
The roll bars are under the co vers behind the
re ar head restra ints. The roll bars are triggered
when danger of theve hicle rolling over is de tec‐
te d.
Once thero ll bars ha vebeen triggered, you can
no longe r close a soft topth at is open. In this
case, consult the next qualified specialist work‐
shop.
PRE-SAFE®sy stem
PRE- SAFE®(Pre-Crash Saf ety-Sy stem)
PRE- SAFE®is able todetect cer tain critical driv‐
ing situations and implement pre-em ptive meas‐
ures toprotect theve hicle occupants.
PRE-SAFE
®can implement thefo llowing meas‐
ures independently of each other:
RTightening the seat belts on the driver's seat
and front passenger seat.
RClosing the side windo ws.
RVehicles with memory function: moving
th e front passenger seat toa more favo rable
seat position.
RVe hicles with multicontour seat: increas‐
ing the air pressure in the seat side bols ters
of the seat backrest.
RPRE-SAFE®Sound: pr ovided that the multi‐
media sy stem is switched on, generates a
brief noise signal tostimulate the innate pro‐
te ctive mechanism of a person's heari ng.
0075 NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat
The automatic adjustment of the seat posi‐
tion may result in damage tothe seat and/or
th e object.
00BBSt ow objects in a suitable place.
Reversing the PRE- SAFE®system measures
If an accident did not occur, the pre-em ptive
measures that we retak en are reve rsed.
Yo u will need toper form certain settings your‐
self.
46 Occupant saf ety

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

ProblemPossible causes/consequences and 0050Solutions
RThe SmartKeyis defective.
00BBActivate KEYLESS-GO .
00BBCheck the battery using the battery check lamp and replace if necessary .
00BBUse the mechanical keyto lock or unlock theve hicle .
00BBHa ve theve hicle and SmartK eychecked 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.
00BBTo activate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
00BBTo deactivate: 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:
RWhile theve hicle is being tow star ted/
pushed.
ROn a roller dynamome ter.
64
Opening and closing

tipove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction.
00BBAlw aysstow objects in such a wayth at
th ey cannot be thro wn around.
00BBBefore the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r.
0071
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.
00BBMake sure that nobody is in the vicinity
of the closing area during the closing
process.
00BBUse one of thefo llowing options tostop
th e closing process:
RPress the008B 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.
RPress theto p of thest ar on the
trunk lid.
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
trunk lid:
00BBPull the trunk lid down using the handle
re cess and push it closed.
00BBVe hicles with HANDS-FREE ACCESS: With
th e trunk lid comple tely opened ,ki ck your
fo ot below the bumper (
→page 69).
00BBVe hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: With th e trunk lid
comple tely opened, press and hold the008B
button on the trunk (with the SmartK eyinthe
vicinity of theve hicle).
00BBVe hicles with trunk lid co nvenience clos‐
ing: Press trunk lid remo teoperating switch
1.
Opening and closing 67

HANDS-FREEACCESS function
With HANDS-FREE ACCESS you can open or
inter rupt trunk lid mo vement byper form ing a
kicking mo vement under there ar bumper.
Observ eth e no tes when opening (
→page 65)
th e trunk lid.
0071
WARNING Risk of burn s causedbya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS- FREEACCESS, you
could burn yourself by touching theex haust
sy stem.
00BBAlw ays ensure that you only ma kea
kicking mo vement within the de tection
ra nge of the sensors.
0075 NO
TEDama getotheve hicle caused by
unin tentional lyopening the trunk lid
RWhen using an automatic car wash
RWhen using a high pressure cleaner
00BBDeactivate 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 your feet are firm ly on the ground, other‐
wise 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
Opening and closing 69

Ifth eve hicle is par ked with the soft top open
and the po wer supp lyis switched off, AI RCAP
re tracts au tomatical ly.
When youre start the engine af ter having been
par ked, AIR CAPex tends au tomatically.
Fitting and removing the folding draft stop
0071
WARNING Risk of accident when using
th e wind screen in poor visibility condi‐
tions
The wind screen impairs your view tothe
re ar, particular ly when darkor in poor visibil‐
ity conditions.
00BBOnly use the wind screen in good visibil‐
ity conditions.
0071 WARNING Risk of accident and injury
due toan incor rectly ins talled wind
screen
If th e wind screen is not cor rectly ins talled it
can come loose during the journey and
endanger other road users.
00BBInst allthe wind screen as described.
00BBDo not place objects on the ins talled
wind screen.
0075 NO
TEDama getothefo lding wind screen
or vehicle interior
The vehicle interior or thefo lding wind
screen can be damaged if ins talled when the
soft top is closed.
00BBTo install, open the soft top.
0075 NO
TEFront seat backrest position
The folding wind screen may collide with the
front seat backrests when ins talled.
00BBAd just the backrest positions of the
front seats.
The folding draft stop is fitted overth ere ar seats
to protect against wind when driving with the
soft top open. Only the front seats can be occu‐
pied when thefo lding draft stop is ins talled. The bag con
taining thefo lding draft stop is
attached totheth ro ugh-loading feature behind
th ere ar seats. If youwa nttouse theth ro ugh-
loadin gfe ature, loosen the bag's lashing stra ps
and stow them in the trunk. Fasten the lashing
st ra ps tothe luggage hook.
Yo u should preferably per form operations in volv‐
in g th efo lding draft stop on the side facing away
from traf fic.00BBOpen all side windo wsand the soft top.
00BBFo ldthere ar seats forw ard toremo vethe
bag.
00BBRe mo vethefo lding draft stop from the bag.
80
Opening and closing

Anti-theft protection
Fu nction of the immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect SmartK ey.
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 the Smart‐
Ke ywit hyo u and lock theve hicle. An yone can
st art the engine if a valid SmartK eyhas been left
inside theve hicle.
00CE Intheeve ntthe engine cannot bestar ted
(y et theve hicle ’sstar ter battery is charge d),
th e 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
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RWhen a door is opened
RWhen the trunk lid is opened
RWhen the 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.
Indicator lamp 1flashes when theAT A sy stem
is activated.
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 eyinthestow age compartment
(
→page 132)
Openin gan d closing 83

RAfter unlocking theve hicle using KEYLESS-
GO.
00CE When the mbrace service (
→page 283) is
active 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
00BBPressthe0036, 0037or008B button on the
SmartK ey.
or
00BBPress thest art/ stop button with the Smart‐
Ke yin thestow age compartment
(
→page 132)
Deactivating the ala rmusing KEYLESS-GO:
00BBGrasp the outside door handle with the
SmartK eyoutside theve hicle.
84
Opening and closing

Notes onthe cor rect driver's seat position
0071
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
00BBBefore starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
Ensure thefo llowing when adjusting thesteering
wheel 1, seat belt 2and driver's seat 3:
Ryou are as faraw ay from the driver's airbag
as possible
Ryo u are sitting in a no rmal upright position
Ryour thighs are slightly supportedby the seat
cushion
Ryo ur legs are not entirely stre tched and you
can dep ress the pedals properly
Rthe back of your head is support ed ateye
le ve lby the center of the head restra int
Ryo u can hold thesteering wheel with your
arms slightly bent
Ryo u can mo veyour legs freely
Ryou can see all the displa yson the instru‐
ment clus ter clearl y
Ryou ha vea good overview of the traf fic con‐
ditions
Rth e seat belt is pulled snug lyagainst the
body and is routed across the center of your
shoulder and across your hips in the pelvic
area
Seats and stowing 85