2018 MERCEDES-BENZ S-CLASS COUPE door lock

1Adjusts the seats electrically →
85
2 Switches the seat heater on/off →
90
3 Switches the seat ventilation on/off →
92
4 Adjusts the front passenger seat from the driv‐
er ’s seat →
87
5 Sets the memory function →
96
6 W Opens/closes there ar left side wind ow→
71
7 W Opens/closes the left side window →
71
8 Adjusts and folds the outside mir rors out/in
electrically →
1179
Opens/closes the trunk lid →
65
A W Opens/closes theright side window →
71
B W Opens/closes there ar right side window →
71
C Opens the door →
61
D & Lockstheve hicle →
62
E % Unlockstheve hicle →
62
F Seat adjustment using the multimedia sy stem →
89
G Adjusts the head restra ints →
87
Ataglance – Door control panel and seat adjustment 15

Ifyo udo not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
Rth eve hicle is loc ked again
Ranti- theft pr otection is reactivated
Do not keep the SmartK eytoge ther with elec‐
tronic devices or me talobjects. 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.
Ac tivating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
,Vehicle.î Vehicle Set-
tings.Acoustic Lock
#Ac tivate Oor deacti vate ª the function.
Ac tivating/deactivating the panic alarm
Re quirements
% The panic alarm function is only available in
cer tain countries.
RThe ignition 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 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
#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
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

ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Check the battery using the battery check lamp and replace if necessar y.
#Usethe mechanical keyto lock or unloc k.
#Have 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.
Doors
Un locking and opening doors from the inside
#Pull door handle 2.
Locking pin 1pops up when the door is
unloc ked.
Locking the doors from the inside
#Take the SmartK eywith you when exiting the
ve hicle and close the driver's door.
#Press down locking knob 1onthe driver's
door from the front passenger seat.
Opening and closing 61

#Exittheve hicle and press down the locking
knob on the front passenger door.
#Close the front passenger door.
Locking/unlocking 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
and theglove compart ment.
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 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.#To unlock 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 74).
62
Opening and closing

#Todeactivate: 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.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
RThe vehicle is being towe d/pushed.
RThe vehicle is being tested on a dynamome‐
te r.
Information on the po wer closing function
fo r the doo rs
Ifyo u push the door into the lock up tothefirs t
de tent position, the po wer closing function will
au tomatically pull the door into the loc k.
Unlocking the driver's door with the mechan‐
ical key
#Insert the 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.
64
Opening and closing

#Release the door handle.
#Tu rn the mechanical keyanti-clo ckwise to
position 1.
#Carefully press the co ver onto the lock cylin‐
der until it engages and is seated firm ly.
Tr unk
Opening the trunk lid
&
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.
#Alw ays switch off the engine before
opening the trunk lid.
#Ne ver drive with the trunk lid open.
* NO
TEDama getothe trunk lid byobs ta‐
cles ab ovetheve hicle
The trunk lid swings upwards when it is
opened.
#Therefore, make sure that there is suf fi‐
cient clearance ab ovethe trunk lid.
Yo u ha vethefo llowing options toopen the trunk
lid:
#Wi th th e trunk lid unloc ked, press theto p of
th est ar.
#Pull thefo lded-out star when there ar view
camera is activated and the trunk lid is
unloc ked.
% Toopen the trunk lid, pull on thefo lded-out
st ar when there ar view camera is activated.
#Press and hold thep button on the
SmartK ey.
Opening and closing 65

#Pull trunk lidremo teoperating switch 1.
#Vehicles with HANDS-FREE ACCESS: Make
a kicking mo vement with your foot below the
bumper (
→page 68).
Ve hicles with trunk lid co nvenience closing:
If an object obstructs the trunk lid during the
automatic opening process, the obs tacle de tec‐
tion sy stem stops the trunk lid. The obs tacle de
tection function is only an aid and is not a
substitute foryo ur attentiveness.
Closing the trunk lid
&
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 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.
#Make sure that nobody is in the vicinity
of the closing area during the closing
process.
#Use one of thefo llowing options tostop
th e 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 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
66
Opening and closing

#When closing, make surethat no body
parts are in the closing area.
#If someone is trapped, use one of the
fo llowing options:
RPress thep 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.
HANDS-FREE ACCESS function
With HANDS-FREE ACCESS you can open, close
or inter rupt trunk lid mo vement byper 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 65)
and closing (→page 66) the trunk lid. %
Awa rning tone sounds while the trunk lid 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
TEDama getotheve hicle caused by
unin tentional lyopening the trunk lid
RWhen using an automatic car wash
RWhen using a high pressure cleaner
#Deactivate KEYLESS-GO or make sure
that the SmartK eylocated is at least
10 ft(3 m) away from theve hicle in
such situations.
68 Opening and closing