keyless MERCEDES-BENZ E-CLASS WAGON 2018 Owner's Manual

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 eytoget her with elec‐
tronic devices or me tal objects. This can af fect
th e SmartK ey's functionality.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged.
Re placing the SmartK eybattery (
→page 58).
Activating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
,9HKLFOH.î 9HKLFOH 6HW
WLQJV.$FRXVWLF /RFN
#Ac tivate Oor deacti vate ª the function.
Ac tivating/deactivating the panic alarm
Re quirement:RIgnition is switched off.
#To activate: press button 1for app rox‐
ima tely one second.
A visual and audible alarm is triggered.
#To deactivate: briefly press but ton1 again.
or
#Press thest art/ stop button on the cockpit
(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
#To switch between settings: pressthe
% and& 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:
RPressingthe% 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
Ifyo u do not use theve hicle or a SmartK ey for
an extended pe riod of time, you can reduce the
energy consum ption of there spective SmartK ey.
Opening and closing 57

Deactivatethe KEYLESS-GO function of the
SmartK ey.
#To deactivate: pressthe& button on the
SmartK eytwice in rapid succession.
The battery check lamp of the SmartK ey
fl ashes twice brief lyand lights up once.
#To activate: press any button on the Smart‐
Ke y.
% When theve hicle is star ted with the Smart‐
Ke yin thestow age compartment of the cen‐
te r console (
→page 145),th e SmartK ey
functions are au tomatically activated.
Inserting/re moving the mechanical key
#To remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
#Pull ou tme chanical key2 until it en gage s in
th e intermediate position.
% You can use the intermediate position of
mechanical key2 toattach the SmartK ey
to ake yring.
#Press release knob 1again and fully
re mo vemechanical key2.
#To inser t:press release knob 1.
#Insert mechanical key2 tothe intermediate
position or fully until it engages.
Re placing the SmartK eybattery
&
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.
#Keep batteries out of there ach of chil‐
dren.
#If batteries are swallo wed, seek medical
attention immediately.
+ENVIRONMEN TALNO TEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them with the household
ru bbish.
#
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.
58
Opening and closing

#Tounlock theve hicle: touch the inner sur‐
fa ce of the door handle.
#To lock theve hicle: touch sensor sur face
1 or2.
#Co nvenience closing: touch recessed sen‐
sor surf ace2for an extended pe riod.
% For fur ther information on con venience clos‐
ing (
→pa ge 73).
If yo u open theta ilgate from outside it is auto‐
matically unloc ked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and MSolutions
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.
62
Opening and closing

ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis malfunctioning.
#Activate KEYLESS-GO .
#Check the battery using the battery check lamp and replace if necessary .
#Use the mechanical keyto lock or unlock theve hicle .
#Ha ve theve hicle and SmartK eychecked at a qualified specialist workshop.
Switching the automatic locking feature
on/off
The vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace.
#To deactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
#To activate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
Danger of being loc ked out when the function is
activated:
RIf th eve hicle is being tow star ted/pushed.
ROn a roller dynamome ter.
Opening and closing 63

#Vehicles with KEYLESS-GO: Press locking
button 2inthetai lgate.
If a keyis de tected outside theve hicle, the
ta ilgate closes and theve hicle is loc ked.
#Press remo teoperating switch 1forth e
ta ilgate.
#Ve hicles with HANDS-FREE ACCESS: Use
yo ur foot to kick below the bumper
(
→page 68).
Au tomatic reve rsing function for the tail gate
The tailgate is equipped with automatic obs tacle
de tection wi threve rsing function. If a solid
object bloc ksorrestricts theta ilgate when auto‐
matically closing, theta ilgate automatically
opens again slightly . The automatic obs tacle
de tection wi threve rsing function is only an aid.
It is not a substitute foryo ur attentiveness when
closing theta ilgate.
#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. fin‐
ge rs.
ROver the 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:
RPress thep button on the SmartK ey,
or
RPress or pull there mo teoperating switch
on the driver's door, or
RPress the closing or locking button on the
ta ilgate, or
RPull theta ilgate handle.
Opening and closing 67

HANDS-FREEACCESS function
With HANDS-FREE ACCESS you can open, close
or stop the closing process of theta ilgate by
per form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternately. Obser
vethe no tes when opening (
→page 64)
and closing (→page 66) theta ilgate.
% Twowa rning tones sound when thetai lgate
is opening or closing.
& 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.
#Alw ays ensure that you only ma kea
kicking mo vement within the de tection
ra nge of the sensors.
* NO
TEVehicle damage due tounin ten‐
tional opening of theta ilgate
Rwhen using an automatic car wash
Rwhen using a high pressure cleaner
#Deactivate KEYLESS-GO or make sure
that theke ylocated is at leas t10 ft
(3 m) away from theve hicle in such sit‐
uations.
When making the kicking mo vement, make sure
th at you are standing firm ly on the ground you
could otherwise 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.
68
Opening and closing

1Sensor detection range
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
RThe area around the sensor is dirty, e.g. due
to road salt or snow .
RThe kicking movement is made using a pros‐
th etic leg. The
tailgate can open or close unin tentional lyin
th efo 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 cargo compart‐
ment, or picking 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 57) or do not
car rythe SmartK eyabout your person in such
situations.
Limiting the opening angle of the tailgate
Ac tivating the opening angle limiter
Yo u can limit the opening angle of theta ilgate in
th eto p half of its opening range, toappr ox‐
imately 8 in (20 cm) before the end position.
#St op the opening procedure of theta ilgate at
th e desired position.
#Press and hold the closing button in theta il‐
ga te until you hear a short acoustic signal.
The opening angle limiter is activated. The
ta ilgate then stops in thestored position
when opened.
To open theta ilgate full y,pull the handle on the
outside of theta ilgate again af ter it has stopped
automaticall y.
Deactivating th eopening angle limiter
#Press and hold the closing button on theta il‐
ga te unt iltwo short tones sound.
Un locking the tailgate with the mechanical
ke y
#Foldthere ar seat backrest forw ard.
#Re mo vethe combined cargo co ver and net
(→page 108).
Opening and closing 69

#Press and holdthe% button on the
SmartK ey
The following functions are per form ed:
RThe vehicle is unloc ked.
RThe side windo wsare opened.
RThe sliding sunro of is opened.
RThe panoramic sliding sunroof is opened.
RThe seatventilation of the driver's seat is
switched on.
If th ero ller sunblinds of the panoramic sliding
sunroof are closed, thero ller sunblinds are
opened firs t.
#To continue the opening procedu re:press
th e% button again.
#Tointer rupt convenience opening: release
th e% button.
Closing side windo wsfrom the outside (con‐
ve nience closing)
&
WARNING Risk of entrapment caused by
inadver tent con venience closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof.
#Obser vethe comple teclosing proce‐
dure when using con venience closing.
#When closing, make surethat no body
parts are in the closing area.
#Press and hold the& button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is loc ked.
RThe side windo wsare closed.
RThe sliding sunro of is closed.
RThe panoramic sliding sunroof is closed.
#Toclose thero ller sunblinds: pressthe
& button again.
#Tointer rupt convenience closing: release
th e& button.
% Con venience closing can also be operated
wi th KEYLESS-GO (
→page 61).
Problems with the side windo ws
Problem
Possible causes/consequences and MSolutions
A side window cannot be closed and
yo u cannot see the cause.
#Check tosee if any objects are in the window guide.
Opening and closing 73

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.
% Ifth eeve ntthat the engine cannot bestar‐
te d (y ettheve hicle's 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 tailgate is opened.
RThe hood is opened.
The ATA system 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.
80
Opening and closing

RAfter unlocking theve hicle using KEYLESS-
GO.
% When the mbrace service (
→page 295) 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(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).
Opening and closing 81