2018 MERCEDES-BENZ S-CLASS COUPE keyless

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

Ifyo u open the trunk lid from outside, the trunk
lid is automatically 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:
RThe SmartK eybattery is dischar ged or nearly dischar ged.
RThere is inter fere nce from a po werful radio signal source.
RThe SmartK eyis defective.
#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.
Opening and closing 63

your foot in a kicking motion under there ar
bumper.
Yo u ha vethefo llowing options toclose the trunk
lid:
#Ve hicles with trunk lid co nvenience clos‐
ing: Press closing button 1onthe trunk lid.
#Ve hicles with trunk lid co nvenience clos‐
ing and KEYLESS-GO: Press locking button
2 onthe trunk lid.
If a SmartK eyis de tected outside theve hicle,
th e trunk lid closes and theve hicle is loc ked.
#Ve hicles with trunk lid co nvenience clos‐
ing: Press trunk lid remo teoperating switch
1.
#Ve hicles with HANDS-FREE ACCESS: Make
a kicking mo vement below the bumper
(
→page 68).
Au tomatic reve rsing function of the trunk lid
If an object obstructs the trunk lid during the
automatic closing process, the trunk lid opens
again automaticall y.The automatic reve rse func‐
tion is only an aid and is not a substitute foryo ur
attentiveness.
#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. fingers.
Rove rth e last Óin (8 mm) of the closing
path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped.
Opening and closing 67

#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

When makingthe 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
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:
RSnow or dirt, e.g. from road salt, co vers the
sensor area.
RThe kicking mo vement is made using a pros‐
th etic leg. The trunk lid could be opened or closed unin
ten‐
tional ly, in thefo llowing situations:
RIf a person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle, sitting on the edge of the trunk,
or picking up objects.
RIf objects are mo ved or placed behind the
ve hicle, e.g. charging cables, tensioning
st ra ps or luggage.
Deactivate KEYLESS-GO (
→page 58) or do not
car rythe SmartK eyabout your person in such
situations.
Switch ing separate trunk locking on/off
Ifyo u centrally unlo cktheve hicle while separate
locking is activated, the trunk remains loc ked.
Opening and closing 69

Convenience closing (closing theve hicle
from outside)
& 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‐
do ws .
#Obser vethe comple teclosing proce‐
dure when using con venience closing.
#When closing, make surethat no body
parts are in the closing area.
&
WARNING Risk of becoming trapped
when opening/closing the soft top .
When opening or closing the soft top, there
is a risk that parts of the body could become
trapped bymoving parts such as thero of
mechanism, the trunk lid, or the side win‐
do ws .
#When opening or closing, make sure
that no body parts are in the vicinity of
moving components.
#Re lease the button if somebody
becomes trapped.
#Press and hold the& button on the
SmartK ey.
The following functions are per form ed:
RThe vehicle is loc ked.
RThe soft top is closed.
The side windo wsare closed when the
soft top is closed.
#To inter rupt convenience closing: release
th e& button.
% Con venience closing can also be operated
wi th KEYLESS-GO (
→page 62).
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 whe ther any objects are in the window guide.
74
Opening and closing

TheATA sy stem is armed automatically af ter
appr oximately 10seconds:
RAfter locking theve hicle with the SmartK ey
RAfter 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
RAfter unlocking theve hicle using KEYLESS-
GO
% When the mbrace service (
→page 291) 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
#Pressthe%, &orp button on the
SmartK ey.
or
#Press thest art/ stop button with the Smart‐
Ke yin thestow age compartment
(
→page 130)
Deactivating the ala rmusing KEYLESS-GO:
#Grasp the outside door handle with the
SmartK eyoutside theve hicle.
Opening and closing 83

Jump-startingsee Jump-s tart connection
K
KEYLESS-GO Locking theve hicle ................................ 62
Problem .................................................6 3
Un locking setting .................................. 58
Un locking theve hicle ............................6 2
Kic kdow n................................................ .140
Using ................................................... 140
Knee air bag .............................................. .40
L
Labeling (tires) see Tire labeling
Laden Notes ..................................................... 98
St ow age space under the trunk floor ... 103
Lamp see Inte rior lighting
Lamp (Instrument Display) see Warning/indicator lamps Lane
Keeping Assist
see Active Lane Keeping Assist
Language Notes ................................................... 244
Setting ................................................. 244
LA TC H-type (ISOFIX) child seat
attachment
Installing ................................................ 54
No tes ..................................................... 53
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................1 09
Lighting see Lights
Lights ....................................................... 109
Ad aptive Highbeam Assist .................. .112
Ad justing the instrument lighting ........ 207
Au tomatic driving lights ....................... 110
Combination switch .............................110
Corne ring light function ....................... 112
Hazard warning lights .......................... .111
High-beam flasher ................................ 110
High-beam headla mps .........................1 10Light switch .........................................
109
Low beam ............................................ 109
Pa rking lights .. ...
.................................
.109
Re ar fog light ....................................... 110
Re sponsibility for lighting sy stems ...... 109
St anding lights .................................... .109
Tu rn signal lights ..................................1 10
Limited Warranty
Ve hicle .................................................. 28
Live Traf fic Information
Displaying subscri ption information .... 268
Displaying the tra ffic map .................. .269
Display ing traffic incidents .................. 269
Extending a subscription ..................... 268
Issuing hazard alerts ........................... 270
Load index (tires) .................................... .376
Load-bea ring capacity (tires) ..................376
Loading Definitions .......................................... .378
Loading guidelines .................................... 98
Loading information table ...................... 369
Loads Securing ................................................ 98
Index 481