tow MERCEDES-BENZ S-CLASS SALOON LONG 2020 Owners Manual

Symbols
........................................................ 5At
agl ance .................................................... 6
Cockpit ........................................................... 6
Indica tor and warning lamps (s tandard) .........8
Indicator and warning lamps (with driver
camera): ...................................................... .10
Overhead contro l panel ................................ 12
Door operating unit and seat adjustment ..... 14
Control settings in there ar passenger
compartment ................................................ 16
Emergencies and breakdowns ...................... 18Digital Owner's Manual
.............................20
Calling up the Digital Owner's Manual ..........20 Genera
l notes............................................. 21
Pr otection of the environment ......................21
Ta ke -ba ckof end-of-life vehicles ...................21
Mercedes-Benz GenuineParts ....................... 22
Owner's Manual ...........................................23
To uch-sensitive cont rols .............................. .23
Operating saf ety .......................................... .24Declaration of conformity ............................. 25
Diagno stics connection ................................ 32
Qualified specialist workshop ....................... 34
Ve hicle registration ....................................... 34
Cor rect use of theve hicle ............................34
Information on the REA CHregulation ........... 34
No tesfo r persons with electronic medi‐
cal aids ......................................................... 35
Implied warranty .......................................... .35
QR code forre scue card ...............................36
Data storage .................................................36
Copyright ...................................................... 39 Occupant saf
ety......................................... 40
Re stra int sy stem ...........................................40
Seat belts ..................................................... 42
Airbags ......................................................... 47
PRE-SAFE ®
sy stem ....................................... 55
Au tomatic measu res af ter an accident ......... 56
Safely transporting children in theve hi‐
cle ................................................................. 57
No tes on pets in theve hicle .......................... 76 Opening and closing
.................................. 77
Ke y .............................................................. .77
Doo rs............................................................ 81
Boot ............................................................. .87
Side windo ws............................................... 93
Sliding sunroof .............................................. 97
Ro ller sunblinds .......................................... 102
Anti-theft pr otection ................................... 104 Seats and
stowing .................................... 107
No tes on the cor rect driver's seat posi‐
tion ............................................................. 107
Seats .......................................................... 107
St eering wheel ............................................ 127
Easy entry and exitfeature ........................ .129
Memory function ........................................ 13 0
Memory function in there ar compart‐
ment .......................................................... .131
St ow age areas ............................................ 13 4
Soc kets ....................................................... 14 3
Coolbox ...................................................... 14 5
Wi reless charging of the mobile phone
and connection with theex terior aerial ...... 14 8
Fitting and removing thefloor mats ............ 15 02
Contents

Light and sight
......................................... 15 2
Exterior lighting .......................................... 15 2
Interior lighting ............................................ 161
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 16 4
Mir rors ........................................................ 16 8
Area pe rmeable toradio wav es on the
windscreen ................................................ .171
Infrared-reflective windscreen function ....... 171Climate control
......................................... 17 2
Overview of climate contro l systems ..........1 72
Operating the climate control sy stem ......... 173 Driving and pa
rking ................................. 18 8
Driving ........................................................ 188
DY NA MIC SELECT switch ............................1 99
Au tomatic transmission .............................. 201
Fu nction of the 4MATIC .............................. 205
Re fuelling ................................................... 206
Pa rking ........................................................ 212
Driving and driving sa fety sy stems .............. 219
Tr ailer hit ch................................................ 282
Bicycle rack function .................................. 288 Ve
hicle towing instructions ........................ .290 Driver display
........................................... 291
No tes on the driver display .........................2 91
No tes on the 3D driver display .................... 291
Operating the driver display ........................ 291
Menus on the driver display ....................... 292
Head-up display .......................................... 293
Ve hicles with a 48 V on-board electrical
sy stem (EQ Boost tech nology) .................... 296
Overview of status displa yson the driver
display ........................................................ 297 MBUX multimedia sy
stem ...................... 298
Overview and operation .............................. 298
Sy stem settings ...........................................3 11
Na vigation and traf fic .................................. 315
Te lephone .................................................. .321
Mercedes me and apps .............................. 324
Mercedes-Benz emer gency call sy stem ...... 332
Ra dio, media & TV...................................... 340
Sound settings ........................................... 346 Main
tenance and care ............................. 347
ASS YST PLUS service inter val display ........ .347
Engine compartment .................................. 348
Cleaning and care ....................................... 353 Breakdown assistance
............................360
Emergency ................................................. .360
Flat tyre ...................................................... 362
Battery (vehicle) ......................................... 368
To w- starting or towing away ....................... 374
Electrical fuses ........................................... 378 Wheels and tyres
..................................... 383
No tes on noise or unusual handling char‐
acteristics .................................................. .383
No tes on regular lyinspecting wheels and
tyres .......................................................... .383
No tes on snow chains ................................ 383
Ac tivating or deacti vating snow chain
mode .......................................................... 384
Ty re pressure .............................................. 384
Wheel change ............................................ .387
Emergency spare wheel .............................. 396 Contents
3

1
Light switch →
15 2
2 Steering wheel gearshift paddles →
204
3 Combination swit ch →
154
4 Driver display →
291
5 DIRECT SELECT le ver →
201
6 ü Start/ stop button →
189
è ECOstart/ stop function →
197
7 Central displ ay →
298
8 Glove compa rtment →
13 6
9 Stow age compartment →
13 6
A Control panel for:
÷ DYNA MIC SELECT switch →
200
c Active Parking Assist →
273
& Switching thest ationary heater on/off →
181
\ Quickvehicle access
ú Fingerprint sensor →
298 Ü
Switching the MBUX multimedia sy stem
on/off →
298
a Switching sound on/off →
298
ø Adjusting thevo lume →
298
B £ Hazard warning light sy stem →
15 5
C Control panel forth e MBUX multimedia sys‐
tem →
300
D Adjusts thesteering wheel →
127
ý Switches thesteering wheel heater
on/off →
12 8
E Control panel:
driver displ ay →
291
I Active Dis tance Assi stDISTRONIC and
va riable limiter →
232
F Diagno stics connection →
32
G M Opens the bonn et →
348
H ! Electric parking brake →
215 At
aglance – Cockpit 7

1
Climate cont rolre ar operating unit →
173
2 Electronics compartment in the cent recon‐
sole
230 V soc ket →
14 4
3 V Selects the front passenger seat →
111
4 s Switches there ar seat ventilation
on/o ff →
12 6
5 w Switches there ar seat heating on/off →
124 6
Adjusts there ar seats electrically →
111
7 Memory function in there ar compartment →
13 2
8 Stow age box in the seat backrest
Re frigerator box →
14 5
9 Stow age compartment in there ar armrest
A MBUX rear tablet brac ket
B Cup holder At
aglance – Control settings in there ar passenger compartment 17

1
B-pillar wi th:
QR code for accessing there scue card →
36
2 Safetyve sts →
360
3 ; me button →
326
G SOS button →
326
4 Tocheck and top up operating fluids →
480
St arting assis tance →
372
5 Tow- starting or towing away →
375
6 Flat tyre →
362
7 £ Hazardwa rning light sy stem →
15 5 8
Fire extinguisher →
362
9 Fuelfiller flap with:
information label on fuel type →
206
information label on tyre pressure →
385
QR code for accessing there scue card →
36
A Tow- starting or towing away →
375
B First-aid kit (so ftsided) →
361
C TIREFIT kit →
364
D Warning triangle →
361 At
aglance – Emer gencies and breakdowns 19

Calling up
the Digital Owner's Manual
Multimedia sy stem:
4 © 5
Settings 5
Info
5 Owner's Manual
5 Open Digital Owner's Manual
The Digital Owner's Manual describes the func‐
tions and operation of theve hicle and the multi‐
media sy stem. #
Select one of thefo llowing menu items in the
Digital Owner's Manual:
R Quick start :fi nd thefirs tst eps towa rds set‐
ting up your vehicle.
R Tips: find information that prepares youfor
cer tain eve ryday situations with your vehicle.
R Animations: watch animations of theve hicle
functions.
R Messages: recei veadditional information
about the messages in the driver displa y.
R Language: select the language forth e Digital
Owner's Manual. Yo
u can sear chforke ywords using the sear ch
fi eld Search, in order tofind quick answers to
qu estions about the operation of theve hicle. 1
Menu
2 Sear ch
3 Back
4 Contents section Some sections in
the Digital Owner's Manual,
such as warning no tes, can be expanded and
collapsed.
Ad ditional methods of calling up the Digital
Owner's Manual:
Driver displ ay:call up brief information as dis‐
pl ay messa ges in the instrument clus ter
MBUX Voice Assistant: call up viathevo ice
control sy stem
Global sear ch:call up sear chresults for con‐
te nts of the Digital Owner's Manual in the home
screen
Fo r saf etyre asons, the Digital Owner's Manual is
deactivated while driving.
% With automatic con tent upda tes, yo u can
alw ayske ep the Digital Owner's Manual up
to date. This function is count ry-dependent. 20
Digital Owner's Manual

&
WARNING Risk of accident due tocon‐
necting devices tothe diagnostics con‐
nection
If yo u connect devices tothe diagnostics
connection of theve hicle, the function of
ve hicle sy stems and operating saf ety may be
impaired. #
For saf etyre asons, werecommend that
yo u on lyuse and connect products
appr ovedby yo ur Mercedes-Benz
service centre. &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that th
ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. *
NO
TEBattery discharging from using
devices connected tothe diagnostics
connection Using devices at
the diagnostics connection
drains the batter y. #
Check thech arge leve l of the batter y. #
Ifth ech arge leve l is lo w,charge the
batter y,e.g. bydriving a considerable
dis tance. Connecting and using ano
ther device with the
diagnostics connection can ha vethefo llowing
ef fects:
R malfunctions in theve hicle sy stem
R permanent damage tovehicle components
Please referto thewa rranty term s and condi‐
tions forth is matter. General no
tes33

The front passenger airbag can only be deplo
yed
in an accident if thePA SSENGER AIR BAG OFF
indicator lamp is off. If the front passenger seat
is occupied, make sure, bo thbefore and during
th e journe y,that thest atus of the front
passenger airbag is cor rect (/ page 52). &
WARNING Risk of bu rns from hot airbag
components
The airbag parts are hot af ter an airbag has
been depl oyed. #
Do not touch the airbag parts. #
Have a deplo yed airbag replaced at a
qu alified specialist workshop as soon
as possible. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident. Take this into account, partic‐
ularly if a seat belt tensioner is trig gered or an
airbag deplo yed. If
th e seat belt tensioners are trig gered or an air‐
bag is deplo yed, you will hear a bang, and a
small amount of powder may also be released:
R The bang will not generally af fect your hear‐
ing.
R Ingeneral, the powder released is not haz‐
ardous tohealth but may cause short-term
breathing dif ficulties topersons suf fering
from as thma or other pulmonary conditions.
Pr ov ided it is safe todo so, lea vetheve hicle
immediately or open the window in order to
pr eve nt brea thing dif ficulties. Seat belts
Pr
otection pr ovided bythe seat belt Alw
aysfast enyour seat belt co rrectly before
st arting a journe y.A seat belt can only pr ovide
th e best le vel of pr otection if it is worncor rectly. &
WARNING Risk of inju ryor death due to
incor rectly fastened seat belt
If th e seat belt is not worncor rectly, it can‐
not per form its intended pr otective function.
In addition, an incor rectly fastened seat belt
can also cause injuries, forex ample, in the
ev ent of an accident or when braking or
ch anging direction sudden ly. #
Alw ays ensure that all vehicle occu‐
pants ha vetheir seat belts fastened
cor rectly and are sitting prope rly. Alw
ays obser vethe instructions about the cor‐
re ct driver's seat position and adjusting the seat
(/ page 107).
In order forth e cor rectly wornseat belt topro‐
vide the intended le vel of pr otection, each vehi‐
cle occupant must obser vethefo llowing infor‐
mation:
R The seat belt must not be twis ted and must
fi t tightly and snu gly across the body. 42
Occupant saf ety

seat belt buckle or between
the front
seat and door. &
WARNING Risk of inju ryor death due to
damaged or modified seat belts
Seat belts cann otprov ide pr otection in the
fo llowing situations:
R the seat belt is damaged, has been modi‐
fi ed, is extremely di rty, bleached or dyed
R the seat belt buckle is damaged or
ex treme lydirty
R modifications ha vebeen made tothe seat
belt tensioner, seat belt anchorage or
seat belt retractor
Seat belts may su stain non-visible damage in
an accident, e.g. due toglass splin ters.
Modified or damaged seat belts could tear or
fa il in theev ent of an accident, forex ample.
Modified seat belt tensioners could acciden‐
ta lly trigger or failto function as intended. #
Never modify the seat belt sy stem, for
ex ample the seat belt, seat belt buckle, seat belt
tensioner, seat belt anchorage
and seat belt retractor. #
Makesure that the seat belts are
undamaged, not wornand clean. #
Alw ays ha vethe seat belts checked
immediately af ter an accident at a
qu alified specialist workshop. Mercedes-Benz
recommends that you use seat
belts which ha vebeen appr ovedfo ryo ur vehicle
by Mercedes-Benz. &
WARNING Risk of inju ryor death from
deplo yedpy rotech nic seat belt tension‐
ers
Py rotech nic seat belt tensioners that ha ve
been deplo yed are no longer operational and
are unable toper form their intended pr otec‐
tive function. #
Therefore, ha vedeplo yedpy rotech nic
seat belt tensioners immedia tely
re placed at a qualified specialist work‐
shop. Mercedes-Benz
recommends that you ha vethe
ve hicle towe dto aqu alified specialist workshop
af te r an accident.
* NO
TEDama gecaused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the
seat mechanism. #
Alw ays ensure that an unused seat belt
is fully retracted. In
fo rm ation on the belt airbag in there ar
seat belt The BELTB
AGidentification indicates that a rear
seat belt is equipped with a belt airbag.
When activated, the belt airbag increases the
pr otected area of theve hicle occupant's ribcage. 44
Occupant saf ety

R
Window airbag: head
R Side airbag: ribcage, also pelvis for front seat
occupants
R Centre airbag: head and ribcage
Information on child restra int sy stems on
th e front passenger seat &
WARNING Risk of inju ryor death if the
co-driver airbag is enabled
If th e co-driver airbag is enabled, a child on
th e co-driver seat may be stru ck bythe co-
driver airbag during an accident.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat with an ENABLED FRONT
AIRB AG; DEAT H or SERIOUS INJU RYtothe
CH ILD can occur. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (/ page72). Also, always obser ve
th e no tes on rear wa rd-facing or forw ard-facing
ch ild restra int sy stems on the front passenger
seat. Information on automatic front passenger
airbag shutoff
The front passenger airbag can only be deplo
yed
in an accident if thePA SSENGER AIR BAG OFF
indicator lamp is off. If the front passenger seat
is occupied, make sure, bo thbefore and during
th e journe y,that thest atus of the front
passenger airbag is cor rect (/ page 52).
* NO
TEImpo rtant points toremember if
th e front passenger seat is unoccupied In an accident,
the components of the
re stra int sy stem may deploy unnecessarily
on the front passenger side if:
R There are heavy objects on the front
passenger seat.
R The seat belt tongue is engaged in the
seat belt buckle of the front passenger
seat and the front passenger seat is
unoccupied. #
Stow objects in a suitable place. #
Only one person should use each seat
belt at any one time. Depending on
the de tected accident situation,
th e window airbag on the front passenger side
may deplo y.The airbag is deplo yedre ga rdless of
whe ther the front passenger seat is occupied. Pr
otective capacity of the airbags Depending on
the accident situation, an airbag
may supplement the pr otection of fere dby a cor‐
re ctly fastened seat belt. &
WARNING Risk of inju ryor death due to
an incor rect seat position
If yo u deviate from the cor rect seat position,
th e airbag cann otper form its intended pro‐
te ctive function.
Each vehicle occupant must make sure of the
fo llowing:
R Fasten seat belts cor rectl y.Pregnant
wo men must take particular care to
ensure that the lap belt ne ver lies across
th e abdomen. 48
Occupant saf ety