2018 MERCEDES-BENZ S CLASS engine

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

Te ch nical data .......................................... 44 3
No te s on te ch nical da ta .............................. 44 3
Ve hicle electronics .................................... .4 43
Ve hicle identification plate, VIN and
engine number ove rv iew ............................ 44 5
Operating fl uids .......................................... 44 7
Ve hicle data ................................................ 454
Display messages and wa rn ing/indi‐
cator lamps .............................................. 457
Display messages ...................................... .4 57
Wa rn ing and indicator lamps ...................... 501
Index .......................................................... 51 94
Con te nts

Service and ve hicle operation
Ve hicle operation outside th e USA or Canada
When yo u are abroad wit h yo ur ve hicle, obser ve
th e fo llowing points:R
Service points or re placement parts may not
be av ailable immediatel y.R
Un leaded fuel may not be av ailable fo r ve hi‐
cles with a catalytic con ve rt er. Leaded fuel
may cause damage to th e catalytic con ve rt er.R
The fuel may ha ve an ex treme ly low octane
number. Un suitable fuel can cause engine
damage.
Some Mercedes-Benz models are av ailable in
Europe th ro ugh our European De liv ery Prog ra m.
Fo r more information, please consult an au th or‐
ized Mercedes‑Benz service center, or write to
one of th e fo llowing address:
In th e USA:
Mercedes-Benz US A, LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 07 64 5-0350 In Canada:
Mercedes-Benz Canada, Inc.
European Delivery Department
98 Va nde rh oof Av enue
To ro nto, Ontario M4G 4C9
Maintenance
Yo ur cus to mer advisor confirms th e service in
th e service re port.
Ro adside Assistance
The Mercedes-Benz Ro adside Assis ta nce Pro‐
gram of fe rs te ch nical help in th e case of a
breakdown. Yo ur calls to th e to ll-f re e Ro adside
Assis ta nce Hotline are ans we re d by our agents
24 hours a da y, 365 da ys a ye ar.
1-800- FO R- MERCedes (1-800-367-63 72 ) (USA)
1-800-387-0 10 0 (Canada)
Yo u can fi nd fur th er information in th e
Mercedes-Benz Ro adside Assis ta nce Program
brochu re (USA) or th e "Roadside Assis ta nce" section in th e maintenance and wa rr anty infor‐
mation booklet (Canada). Yo u will fi nd bo th in
th e ve hicle document wa llet.
Change of address or ch ange of ow nership
In th e ev ent of a ch ange of address, please send
us th e "Notification of address ch ange" in th e
Service and Guarantee booklet or simply call th e
Mercedes-Benz Cus to mer Assis ta nce Center
(USA) on th e hotline number
1-800- FO R- MERCedes (1-800-367-63 72 ) or Cus‐
to mer Service (Canada) on 1-800-387-0 10 0. We
can th en re ach yo u in a timely fa shion, if neces‐
sar y.
If yo u sell yo ur Mercedes, please lea ve all litera‐
ture in th e ve hicle so th at it is av ailable to th e
next ow ner. If yo u ha ve pur ch ased a used ve hi‐
cle, please send us th e "Notice of Pur ch ase of
Used Car" in th e Service and Guarantee booklet
or simply call th e Mercedes-Benz Cus to mer
Assis ta nce Center (USA) at th e hotline number
1-800- FO R- MERCedes (1-800-367-63 72 ) or Cus‐
to mer Service (Canada) at 1-800-387-0 10 0.Gene ra l no te s 21

Child re n in th e ve hicle
Note s on th e safe transportation of ch ildren
q
WA RNING Risk of accident and inju ry
due to ch ildren left unat te nded in th e
ve hicle
If yo u lea ve ch ildren unaccompanied in th e
ve hicle, th ey may be able to set th e ve hicle in
motion, fo r ex ample by :R
Re leasing th e parking brake.R
Shifting th e transmission out of park
position ] .R
St arting th e engine.
In addition, th ey may operate ve hicle equip‐
ment.

Child saf et y loc ks
Ac tivating/deactivating the ch ild saf et y lock
fo r the re ar doors
q
WA RNING Risk of accident and inju ry
due to ch ildren left unat te nded in th e
ve hicle
If yo u lea ve ch ildren unaccompanied in th e
ve hicle, th ey may be able to set th e ve hicle in
motion, fo r ex ample by :R
Re leasing th e parking brake.R
Shifting th e transmission out of park
position ] .R
St arting th e engine.
In addition, th ey may operate ve hicle equip‐
ment.

SmartK ey
Overview of SmartK ey functions
q
WA RNING Risk of accident and inju ry
due to ch ildren left unat te nded in th e
ve hicle
If ch ildren are left unat te nded in th e ve hicle,
th ey could:R
Open doo rs , th ereby endangering ot her
persons or ro ad usersR
Get out of th e ve hicle and be hit by
oncoming traf fi cR
Operate ve hicle equipment
In addition, th e ch ildren could also set th e
ve hicle in motion, fo r ex ample, by :R
Re leasing th e parking brakeR
Shifting th e transmission out of park
position ]R
St arting th e engine.

Anti-theft pr ot ection
Fu nction of th e immobilizer
The immobilizer pr eve nts yo ur ve hicle from being
st ar te d without th e cor re ct 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 th e ve hicle, alw ay s ta ke th e Smart‐
Ke y wit h yo u and lock th e ve hicle. An yo ne can
st art th e engine if a va lid SmartK ey has been left
inside th e ve hicle.

The ex te ri or lighting (e xc ept parking and st and‐
ing lamps) swit ch es off automatically when th e
driver's door is opened. R
Obser ve th e no te s on sur ro und lighting
( →
page 14 7).
Au to matic driving lights
The pa rk ing lights, low beam and daytime ru n‐
ning la mp s are switched on automatically
depending on th e ignition st atus, whe th er th e
engine is ru nning and on th e ambient light.
q
WA RNING Risk of accident when th e low
beam is switched off in poor visibility
When th e light switch is set to X , th e low
beam may not be switched on automatically
if th ere is fo g, snow or ot her causes of poor
visibility such as spr ay .