2018 MERCEDES-BENZ S-CLASS SEDAN battery

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.
64
Opening and closing

Unlocking the trunk with the emer gency
re lease from inside
Re quirements:Rthe12 Vve hicle battery is connected and
ch arge d.
#Press emer gency release button 1brief ly.
The trunk lid unloc ksand opens.
Un locking the trunk lid using the mechanical
ke y
#Take the mechanical keyout of the SmartK ey
(→page 60).
#Insert the mechanical keyin to the trunk lock
as far as it will go.
#Tu rn the mechanical keycounter-clockwise
from position 1toposition 2.
#Turn the mechanical keybac kto position 1
and remo veit.
% Ifyo u use the mechanical keyto unlo ckand
open the trunk lid, the anti- theft alarm sys‐
te m will be triggered.
Ac tivating/deactivating the trunk lid opening
height restriction
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Ac tivating the function allo wsyouto av oid
bumping the trunk lid on a low garage ceiling, for
ex ample.
#Ac tivate Oor deacti vate ª the function.
Opening and closing 71

ProblemPossible causes/consequences and MSolutions
If a side window is obstructed again during closing and reopens again slightly:
#Re peat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The SmartK
eybattery is dischar ged or nearly dischar ged.
#Check the battery using the battery check lamp and replace if necessary .
Sliding sunroof
Opening/closing the sliding sunroof
&
WARNING Risk of becoming trapped
while opening and closing the sliding
sunroof
During opening and closing, parts of the
body could getcaught in the sweep of the
sliding sunroof.
#When opening or closing, make sure
th at no body parts are in the sweep.
#Re lease the button immediately if
somebody becomes trapped.
or
#Press the button in any direction during
th e automatic opening/closing process.
The opening/closing process is stop‐
ped.
& WARNING Risk of becoming trapped if
th e sliding sunroof is operated bychil‐
dren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th eke ywit hyo u and lock theve hicle.
&
WARNING Risk of becoming trapped
while opening and closing thero ller sun
blind
When opening or closing, make sure that no
body parts become trapped between the
ro ller sun blind and frame or the sliding sun‐
ro of.
Opening and closing 77

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 trunk lid is opened.
RThe hood is opened.
The ATA sy stem 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.
86
Opening and closing

Vehicles with individual rear seats
Yo u can charge a USB device, e.g. a mobile
phone, at USB ports 1using a suitable charg‐
ing cable. The devices can be charge d with 5 V
(2.1 A) and when the ignition is switched on.
Re frigerator box
Using there frigerator box
&
WARNING Risk offire due toa co vered
ve nt grille on there frigerator box
If yo u co verth eve nt grille forth ere frigerator
box, it may overheat.
#Alw ays make sure that theve nt grille is
not co vered.
The vent grille forth ere frigerator box is in the
trunk.
The refrigerator box can bear a maximum load of
7. 7 lb (3.5 kg).
St ore only plastic bottles in the upper compart‐
ment of there frigerator box. The contents of the
bottle must be no more than 17 fl. oz. (0.5 l).
If yo u do not need touse there frigerator box for
an extended pe riod you should switch it off,
defrost it and clean it. Af ter doing so, lea vethe
lid open for a time. The
refrigerator box reduces its cooling capacity
or switches off in thefo llowing cases:
Rto o many electrical consumers are turned on
Rth est ar ter battery is not suf ficiently charge d
If th is is the case, the indicator lamps flash in
th e button toswitch there frigerator box on and
off. The cooling function will au tomatically
switch back on as soon as there is suf ficient
vo ltage.
Seats and stowing 13
7

Exterior lighting
Lighting systems and your responsibility
The various lighting sy stems of theve hicle are
only aids. The driver of theve hicle is responsible
fo r cor rect vehicle illumination in accordance
with the pr evailing light and visibility conditions,
legal requirements and traf fic situation.
Light switch
Opera ting the light switch
#1W Left-hand standing lamps
#2 X Right-hand standing lamps
#3 T Parking lights and license plate
lighting
#4 Ã Automatic driving lights (prefer red
light switch position)
#5 L Low beam/high beam
#6R Switches there ar fog light on or off
When low beam is activated, the indicator lamp
fo rth e parking lights is deactivated and replaced
by the low beam indicator lamp.
Alw ays park your vehicle safely and in a well-lit
area, in accordance with there leva nt le galst ipu‐
lations.
* NO
TEBattery discharging byoperating
th est anding lights
Operating thest anding lights over a period of
hours puts a stra in on the batter y.
#Where possible, switch on the
ri ght X or left Wparking light.
Inthe case of se vere battery discharging, the
st anding lamps or standing lamps are automati‐
cally switch ed offtofacilitate a futu reengine
st art.
Light and visibility 14
3

Folding the outside mir rors in/out
#Brief lypress switch 1.
% Ifth e battery has been disconnected or com‐
ple tely discharged ,th e outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly. Ad
justing the outside mir rors
#Select there qu ired mir ror using button 3or
4.
#Use button 2toset the position of the mir‐
ro ryo u ha veselected.
Engaging the outside mir rors
#Press and hold button 1.
Yo uwill hear a click and the mir ror audibly
engage in position. The mir ror is set in the
cor rect position.
In fo rm ation on automatic anti-glare mir rors
&
WARNING Risk of burn s and poisoning
due tothe anti- glare mir ror electrolyte
Electrolyte may escape if theglass in an
automatic anti-glare mir ror breaks.
The electrolyte is harmful and causes ir rita ‐
tion. It must not come into contact wi thyour
skin, eyes,respiratory organs or clo thing or
be swallo wed.
#Ifyo u come into contact with electro‐
ly te , obser vethefo llowing:
RRinse the electrolyte from your skin
and seek medical attention immedi‐
atel y.
RIf electrolyte comes into contact
with your eyes, rinse them thor‐
oughly with clean water and seek
medical attention immediately.
RIf th e electrolyte is swallo wed,
immediately rinse your mouth out
th oroughly. Do not induce vomiting.
Seek medical attention immediately.
RImmediate lych ange out of clo thing
which has come into con tact wi th
electrolyte.
RIf an allergic reaction occurs, seek
medical attention immediatel y.
The outside mirrors and inside rearview mir rors
on the driver's side automatically go into anti-
gl are mode if light from a headlamp hits the
inside rearview mir ror.
Light and visibility 15
3

Driving
Notes on Mercedes-AMG vehicles
Obser vethe no tes on thefo llowing topics in the
Supplement. Otherwise, you may not recognize
dangers.
RAMG Performance exhaust sy stem
RAMG high-per form ance brake sy stem and
AMG ceramic high-per form ance composite
brake sy stem
RAMG adaptive sport suspension sy stem
Switching on the po wer supp lyor ignition
using thest art/s top button
&
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users
RGet out of theve hicle and be hit by
oncoming traf fic
ROperate vehicle equipment
In addition, thech ildren could also set the
ve hicle in motion, forex ample, by:
RRe leasing the parking brake
RShifting the transmission out of park
position j
RStarting the engine.
#Ne ver lea vechildren and animals unat‐
te nded in theve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ke ep the SmartK eyout of there ach of
ch ildren.
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases causes poisoning.
#Ne ver lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation.
& WARNING Risk offire caused byflam‐
mable material on theex haust sy stem
Flammable materials brought in byeither ani‐
mals or environmen tal influences may ignite
if th ey come into contact wi thhot parts of
th e engine or exhaust sy stem.
#Therefore, check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem.
Re quirements:RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
Driving and parking 16
5