MERCEDES-BENZ E-CLASS WAGON 2018 Repair Manual

Requirement: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.
#Re mo vethe mechanical key (→pag e58) .
#Press release button 2down fully and
re mo vecover1.
#Re mo vebattery compartment 3and take
out the dischar ged batter y.
#Insertthe new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry.
#Push in battery compartment 3.
#Replace co ver1 sothat it engages.
Problems with the SmartK ey
Problem
Possible causes/consequences and MSolutions
Yo u can no longe r lock or unlock the
ve hicle. Po
ssible causes:
RThe SmartK eybattery is dischar ged or nearly dischar ged.
RThere is inter fere nce from a po werful radio signal source.
Opening and closing 59

ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Check the battery using the battery check lamp and replace if necessary .
#Use the mechanical keyto lock or unlock theve hicle .
#Ha ve the SmartK eychecked at a qualified specialist workshop.
Yo u ha velost a SmartK ey.
#Ha ve the SmartK eydeactivated at a qualified specialist workshop.
#If necessar y,ha ve the loc kschanged as well.
60
Opening and closing

Doors
Unlocking and opening doors from the inside
#To unlock and open a front door: pull door
handle 2.
Locking pin 1pops up when the door is
unloc ked.
#To unlock are ar door: pullthere ar door
handle.
The locking pin pops up when there ar door
is unlo cked.
#To open a rear door: pullthere ar door han‐
dle again.
Locking/unlo cking theve hicle centrally from
th e inside
#To unlock :press button 1.
#Tolock: 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 and unlocking theve hicle with KEY‐
LESS-GO
Requ irements:RThe SmartK eymust be outside theve hicle.
RThe dis tance between the SmartK eyand the
ve hicle must not exceed 3 ft(1 m).
RThe driver's door and the door at which the
door handle is used must bo thbe closed.
Opening and closing 61

#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

Unlocking/locking the driver's door using
th e mechanical key
%
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.
#Insertthe mechanical keyas far as it will go
into opening 1inthe co ver.
#Pull and hold the door handle.
#Pull the co ver on the mechanical keyas
st ra ight as possible away from theve hicle
until it releases.
#Re lease the door handle.
#To unlock :turn the mechanical keycounter -
clo ckwise toposition 1.
#Tolock: turnthe mechanical keyclo ckwise
to position 1.
#Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly.
Load compa rtment
Opening the tail gate
&
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 theta il‐
gate is open when the engine is running,
especially if theve hicle is in motion.
#Alw ays switch off the engine before
opening theta ilgate.
#Ne ver drive with theta ilgate open.
64
Opening and closing

*NO
TEDama getotheta ilgate caused by
obs tacles ab ovetheve hicle
The tailgate swings rear wa rds and upwards
when it is opened.
#Make sure that there is suf ficient space
behind and ab ovetheta ilgate.
To open thetai lgate, thefo llowing options are
av ailable:
#Press and hold thep button on the
SmartK ey.
#Ifth eta ilgate is unloc ked, pull theta ilgate
handle and release it again immediatel y.
#With th eta ilgate stopped in an intermediate
position, pull theta ilgate upwards. Release it
as soon as it begins toopen.#Pull remo teopening switch 1forth eta il‐
ga te.
#Ve hicles with HANDS-FREE ACCESS: Move
yo ur foot below the bumper (→page 68).
#Ve hicles with folding bench seat: Pull but‐
to n1 forth eta ilgate twice.
The tailgate is unloc ked.
If th eta ilgate has been loc ked from the outside,
or thech ild saf etyloc khas been activated, the
ta ilgate cannot be unloc ked with button 1.
The tailgate is equipped with an automatic
obs tacle de tection function. If a solid object
bloc ksorrestricts theta ilgate when automati‐
Opening and closing 65

cally opening,this process is stopped. The auto‐
matic obs tacle de tection function is only an aid.
It is not a substitute foryo ur attentiveness when
opening theta ilgate.
Closing the tailgate
&
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,
tip ove 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.
#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
duri ng au tomatic closing of theta ilgate
Pa rts of the body could become trapped dur‐
ing automatic closing of theta ilgate. 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 the
closing process:
RPress thep 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
ta ilgate.
RPull theta ilgate 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. To
close theta ilgate, thefo llowing options are
av ailable:
#Pull theta ilgate down wards slightly. Release
it as soon as it begins toclose.
#Press and hold thep button on the
SmartK ey(with the SmartK eyinthe vicinity
of theve hicle).
#Press closing button 1ontheta ilgate.
66
Opening and closing

#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