2018 MERCEDES-BENZ S-CLASS SEDAN key battery

Beforestarting, make sure:
RThe legal stipulations in the area where your
ve hicle is par ked permit engine starting via
smartphone.
RIt is safe tostart and runth e engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star ter battery has suf ficient charge .
St arting theve hicle using a smartphone
&
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work.
#Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirements:RPark position jis selected.
RThe anti- theft alarm sy stem is not armed.
RThe panic alarm is not armed.
RThe hazard warning lights are switched off.
RThe engine hood is closed.
RThe doors are closed and loc ked.
RThe windo wsand sliding sunro of are closed.
#Start theve hicle using the smartphone:RAf tereve ryvehicle start, the engine runs for
te n minu tes.
RYo u can car ryout a maximum of two consec‐
utive starting attem pts.
RYo u can stop theve hicle again at any time.
RFu rther information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work:
#Switch on the hazard warning lights.
or
#Un lock the doors.
or
#Open a side window or the sliding sunroof. St
arting theve hicle in emer gency operation
mode
If th eve hicle does not start and the3ODFH WKH
.H\ LQ WKH 0DUNHG 6SDFH 6HH 2SHUDWRU
V 0DQXDO
display message appears in the multifunction
displa y,yo u can start theve hicle in emer gency
operation mode.
#Make surethat mar ked space 2is em pty.
#Re mo veSmartK ey1 from theke yring.
#Place Smart Key1 in mar ked space 2.
The vehicle will start af ter a short while.
If yo ure mo veSmartK ey1 from mar ked
space 2the engine continues running. For
fur ther vehicle starts ho wever,SmartK ey1
Driving and pa rking 16
7

SmartKey
Displaymessages
Possible causes/consequences and MSolutions
Â
2EWDLQ D 1HZ .H\*T
he SmartK eyneeds tobe replaced.
#Visit a qualified specialist workshop.
Â
5HSODFH .H\ %DWWHU\ *T
he SmartK eybattery is dischar ged.
#Re place the battery .
Â
.H\ 1RW 'HWHFWHG (white
display message) *T
he SmartK eyis cur rently und etected.
#Change the location of the SmartK eyintheve hicle.
#Ifth e SmartK eyisstill not recognized, start the engine with the SmartK eyinthestow age compartment .
490
Display messages and warning/indicator lamps

Rain closing function ............................ .80
SmartK ey................................................... 58
Battery .................................................. 60
Fe atures ................................................ 58
Ke yring attachment .............................. 60
Mechanical key ...................................... 60
Overvie w.............................................. .58
Pa nic alarm ........................................... 59
Problem ................................................. 61
Un locking setting .................................. 59
Sma rtphone
Cooling or heating theve hicle inte‐
ri or .......................................................1 66
St arting theve hicle .............................. 167
Smartphone see Android Auto
see Apple CarPlay™
see Telephone
Snow chains ............................................. 414
Soc ket (12 V) ............................................ 134
Fr ont center console ........................... 134
Re ar passenger compartment ............ .134
Tr unk .................................................. .136 Soc
ket (1 15V) .......................................... 135
Re ar passenger compartment ............ .135
Software update Impor tant sy stem updates .................. 288
Information .......................................... 287
Pe rforming ............ .............................. 287
Sound PRE-SAFE
®Sound ................................. 45
Wheels and tires ..................................4 13
Sound see Burmes ter
®sur round sound sy stem
see Sound settings
Sound settings ....................................... .357
Ad justing the balance/fader ............... 358
Ad justing treble, mid-range and bass
settings ............................................... 358
Au tomatic volume adjustment ............ .358
Calls up the sound menu ..................... 358
Information .......................................... 357
Speech dialog sy stem
see Voice Cont rol Sy stem
Speed index (tires) ..................................428 Speed limit
for winter tires
Setting ................................................. 198
Speedome ter
Digital ..................................................2 49
Spotlight function Activating/deactivating .......................2 38
St andby mode
Ac tivating/deactivating .......................1 87
Fu nction .............................................. 187
St anding lights ........................................ 143
St art/S top button
St arting theve hicle ............................. 166
Switching off theve hicle ..................... 179
Switching on the po wer supply or
ignition ................................................ 165
St art/s top function
see ECO start/ stop function
St arting the engine
see Vehicle
St arting-o ffaid
see Hill start assist
St ation
Deleting ............................................... 352
54
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Index