MERCEDES-BENZ E-CLASS CABRIOLET 2018 Repair Manual

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

Requirements:RYourequ ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop.
00BBRe mo vethe emer gency key (→pag e59).
00BBPress release button 2down fully and slide
co ver1 inthe direction of the ar row.
00BBFold out co ver1 inthe direction of the
ar row and remo ve.
00BBRe mo vebattery compartment 3and take
out the dischar ged batter y.
00BBInsertthe new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry.
00BBPush in battery compartment 3.
00BBRe-attach co ver1 and push it until it
engages.
Problems with the SmartK ey
Problem
Possible causes/consequences and 0050Solutions
Yo u can no longe r lock or unlock the
ve hicle. Po
ssible causes are:
RThe SmartK eybattery is dischar ged or nearly dischar ged.
RThere is inter fere nce from a po werful radio signal source.
60
Opening and closing

ProblemPossible causes/consequences and 0050Solutions
RThe SmartKeyis defective.
00BBCheck the battery using the battery check lamp and replace if necessar y.
00BBUsethe mechanical keyto lock or unloc k.
00BBHave the SmartK eychecked at a qualified specialist workshop.
Yo u ha velost a SmartK ey.
00BBHa ve the SmartK eydeactivated at a qualified specialist workshop.
00BBIf necessar y,ha ve the loc kschanged as well.
Opening and closing 61

Doors
Unlocking and opening doors from the inside
00BBPull door handle 2.
Locking pin 1pops up when the door is
unloc ked.
Centrally locking and unlocking theve hicle
from the inside
00BBTo unlock :press button 1.
00BBTolock: press button 2.
This does not lock or unlock the fuel filler flap. The
vehicle is not unloc ked:
RIfyo u ha veloc kedth eve hicle using the
SmartK ey.
RIfyo u ha veloc kedth eve hicle using KEY‐
LESS-GO.
Locking/unlocking theve hicle with KEY‐
LESS-GO
Requ irements:RThe SmartK eyis outside theve hicle.
RThe dis tance between the SmartK eyand the
ve hicle does not exceed 3 ft(1 m).
RThe driver's door and the door at which the
door handle is used are closed.
62 Opening and closing

00BBTounlock theve hicle: touch the inner sur‐
fa ce of the door handle.
00BBTo lock theve hicle: touch sensor sur face
1 or2.
00BBCo nvenience closing: touch recessed sen‐
sor surf ace2for an extended pe riod.
00CE Further information on con venience closing
(
→pa ge 74).
If yo u open the trunk lid from outside it is auto‐
matically unloc ked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050Solutions
Yo u can no longe r lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes are:
RKEYLESS-GO has been deactivated .
RThe SmartK eybattery is dischar ged or near lydischar ged.
RThere is inter fere nce from a po werful radio signal source.
Opening and closing 63

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

Locking/unlockingthe driver's door with the
me chanical key
00CE
Ifyo uwish tolock theve hicle entirely using
th e mechanical 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 mechanical key.
00BBInsertthe mechanical keyas far as it will go
into opening 1inthe co ver.
00BBPull and hold the door handle.
00BBPull the co ver on the mechanical keyas
st ra ight as possible away from theve hicle
until it releases.
00BBRe lease the door handle.
00BBTo unlock :turn the mechanical keycounter -
clo ckwise toposition 0047.
00BBTolock: turnthe mechanical keyclo ckwise
to position 0047.
00BBCarefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly.
Tr unk
Opening the trunk lid
0071
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.
00BBAlw ays switch off the engine before
opening the trunk lid.
00BBNe ver drive with the trunk lid open.
Opening and closing 65

0075NO
TEDama getothe trunk lid byobs ta‐
cles ab ovetheve hicle
The trunk lid swings upwards when it is
opened.
00BBTherefore, make sure that there is suf fi‐
cient clearance ab ovethe trunk lid.
Yo u ha vethefo llowing options toopen the
trunk lid:
00BBPull trunk lid remo teoperating switch 1.
00BBPress and holdthe008B button on the
SmartK ey.
00BBWi th th e trunk lid unloc ked, press theto p of
th est ar.
00CE Toopen, pull on thefo lded-out star when the
re ar view camera is activated.
00BBVe hicles with HANDS-FREE ACCESS: move
yo ur foot below the bumper (→page 69).
00BBVe hicles with trunk lid co nvenience clos‐
ing feature: withthe trunk lid stopped in an
intermediate position, pull it upwards and
re lease as soon as it begins toopen.
Wi th th e trunk lid opening limiter switched
on, manually pull thestopped trunk lid
upwards.
Ve hicles with trunk lid co nvenience closing:
if an object restricts the trunk lid during the
automatic opening process, the object recogni‐
tion function stops the trunk lid. The object rec‐
ognition function is only an aid and is not a sub‐
st itute foryo ur attentiveness.
Closing the trunk lid
0071
WARNING Risk of injury from unsecured
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
66
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

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