battery MERCEDES-BENZ S CLASS 2018 Owners Manual

Fu nction of th e infra re d re fl ective wind‐
shield ......................................................... .1 55
Climate control ......................................... 15 7
Overview of climate cont ro l sy st ems ......... .1 57
Operating th e climate control sy st em ......... 15 8
Drivin g and pa rk ing ................................. 16 5
Driving ........................................................ 16 5
DY NA MIC SELECT switch ........................... .1 72
Au to matic transmission .............................. 17 3
Re fueling ..................................................... 17 7
Pa rk ing ...................................................... .1 79
Driving and driving saf et y sy st ems ............ .1 88
Instrument Display and on-board
co mp uter .................................................. 24 4
Instrument Display ove rv iew ...................... .2 44
Overview of th e buttons on th e st eering
wheel ......................................................... .2 45
Operating th e on-board computer .............. 24 5
Overview of displa ys in th e multifunction
display ........................................................ 24 7 Ad justing th e instrument lighting ............... .2 47
Menus and submenus ................................. 24 8
Head-up Display ......................................... 254
Vo ice Control Sy st em .............................. 256
Operating saf et y ........................................ .2 56
Operation ................................................... 256
Using th e Vo ice Cont ro l Sy st em ef fe c‐
tively ........................................................... 258
Essential vo ice commands ........................ .2 59
Multimedia sy st em .................................. 269
Overview and operation .............................. 269
Sy st em settings .......................................... 27 7
ENERGIZING comfort .................................. 289
Na vigation ................................................... 291
Te lephone .................................................. .3 15
Online and Internet functions ..................... 330
Media ......................................................... 337
Ra dio .......................................................... 350
Sound ........................................................ .3 57
Re ar Seat En te rt ainment Sy st em ............... .3 60 Maintenance and care ............................. 37 7
ASS YS T PLUS service inter va l display ........ .3 77
Engine compartment .................................. 37 8
Cleaning and care ...................................... .3 85
Breakdown assi st ance ............................ 393
Emergency ................................................. .3 93
Flat tire ....................................................... 393
Battery (vehicle) ......................................... 399
To w st arting or to wing aw ay ....................... 404
Electrical fuses ............................................ 41 0
Wheels and tires ....................................... 41 3
Noise or unusual handling ch aracteristics .. .4 13
Checking wheels and tires re gularly ............ 41 3
No te s on snow ch ains ................................ .4 14
Ti re pressure .............................................. .4 14
Loading th e ve hicle .................................... 420
Ti re labeling ................................................ 425
Definition of te rm s fo r tires and loading ..... 431
Changing a wheel ....................................... 433 Contents 3

Mercedes-Benz re commends th at yo u ha ve th e
battery re placed at a qu alified specialist wo rk ‐
shop.

If yo u open th e trunk lid from outside, th e trunk
lid is automatically unloc ke d.
Problems with KEYLESS-GO
Problem
Po ssible causes/consequences and P Solutions
Yo u can no lon ge r lock or unlock th e
ve hicle using KEYLESS-GO. Po ssible causes: R
The SmartK ey battery is dischar ge d or nearly dischar ge d.R
There is inter fe re nce from a po we rf ul ra dio signal source.R
The SmartK ey is defective.

Un locking th e trunk with th e emer ge ncy
re lease from inside
Re qu irements:R
th e 12 V ve hicle battery is connected and
ch ar ge d.

Before st arting, make sure:R
The legal st ipulations in th e area where yo ur
ve hicle is par ke d permit engine st arting via
smartphone. R
It is safe to st art and ru n th e engine where
yo ur ve hicle is par ke d.R
The fuel ta nk is su ff iciently fi lled.R
The st ar te r battery has suf fi cient ch ar ge .
St arting th e ve hicle using a smartphone
q
WA RNING Risk of crushing or entrap‐
ment due to unin te ntional st arting of th e
engine
Limbs could be crushed or trapped if th e
engine is st ar te d unintentionally during
service or maintenance wo rk .

Te lephone
Te lephony
Te lephone menu ove rv iew
1
Blue toot h ®
device name of th e cur re ntly
connected mobile phone
2
Signal st re ngth of th e mobile phone network 3
Battery st atus of th e connected mobile
phone 4
q (telephone re ady) or

The battery compartment is located on th e left
headphone.

Battery disconnection periods
The AS SY ST PLUS service inter va l display
can only calculate th e service due da te when
th e bat te ry is connected.

All ve hicles exc ept ve hicles with a lithium-
ion battery
q
WA RNING Risk of ex plosion due to elec‐
tros ta tic ch ar ge
Electros tat ic ch ar ge can cause spa rk s which
may ignite th e highly fl ammable ga s mixture
in th e batter y.

We ar saf et y gl asses.
Ke ep ch ildren aw ay .
Obser ve th is Opera to r's Manual.
If yo u do not intend to use th e ve hicle ove r an
ex te nded pe ri od of time:R
Ac tivate st andby mode, orR
Connect th e battery to a bat te ry ch ar ge r
appr ove d by Mercedes-Benz, orR
Consult a qu alified specialist wo rk shop to
disconnect th e battery St arting assi st ance and ch arging th e 12 V
battery
Ve hicles with a lithium-ion battery