towing 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
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

Sy
stem limits
The sy stem will not initiate any action in thefo l‐
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The sy stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Fu
nction of PRE-SAFE ®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases th
e dis tance between the door and theve hicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual( /page 493) display mes‐
sage appears. Au
tomatic measures af ter an accident
Depending on the type and se verity of the acci‐
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemen ted, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 334)
R switching off the engine
To restart theve hicle, switch the ignition off
and switch it back on (/ page189).
Depending on the type and se verity of the
accident, it is possible that theve hicle can
no longer be star ted. R
switching off the fuel supply
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the cent ral
display
R switching on the interior lighting
Fu nction of the post-collision brake
Depending on the accident situation, the post-
collision brake can minimise the se verity of a fur‐
th er collision or evenavo id it.
If an accident is de tected, the post-collision
brake can implement automatic braking. When
th eve hicle has come toast andstill, the electric
parking brake is automatically applied.
The driver can cancel automatic braking bytak‐
ing thefo llowing actions:
R braking more stronglythan automatic brak‐
ing
R fully depressing the accelerator pedal with
fo rce 56
Occupant saf ety

Note
s onthe cor rect driver's seat position &
WARNING Risk of inju ryifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restra ints, steering
wheel and mir ror in particular and fas‐
te nyo ur seat belt. Ensure
thefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
R You are sitting as faraw ay from the driver's
airbag as possible, taking thefo llowing
points into consideration:
R You are sitting in an upright position
R Your thighs are slight lysuppor tedby the seat
cushion
R Your legs are not fully extended and you can
depress the pedals properly
R The back of your head is suppo rted at eye
le ve lby the cent reofthe head restra int R
You can hold thesteering wheel with your
arms slightly bent
R You can mo veyour legs freely
R You can see all the displa yson the instru‐
ment clus ter clea rly
R You ha vea good overview of the tra ffic con‐
ditions
R Your seat belt sits snug lyagainst your body
and passes across the cent reofyour shoul‐
der and across your hips in the pelvic area Seats
Ad
justing the front seat electrically &
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particular lywhen unat tended. #
When le aving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. Seats and
stowing 107

Yo
u can adjust the seats when the ignition is
switched off. &
WARNING Risk of becoming trapped
du ring seat adjustment
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
Make sure when adjusting a seat that
no one has any body parts in the sweep
of the seat. Obser
vethe saf ety no tes on "Airbags" and "Chil‐
dren in theve hicle". &
WARNING Risk of inju ryifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion. R
Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restra ints, steering
wheel and mir ror in particular and fas‐
te nyo ur seat belt. &
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured.
Children in particular could acciden tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue toincor‐
re ctly adjus ted head restra ints
If head restra ints ha venot been adjus ted
cor rectly, there is an increased risk of injury
in the head and neck area, e.g. in theev ent
of an accident or sudden braking. #
Before driving off, make sure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Ad
just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt will not of ferth e intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. 108
Seats and stowing

#
Adjust the seat proper lybefore begin‐
ning your journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. &
WARNING Risk of inju rydue toexc es‐
sive stra in on the grab handle
If yo u apply your full body weight tothe grab
handle or pull it abruptl y,the grab handle
may be damaged or become loose from its
anchorage. #
Use the grab handles only tostabilise
th e seating position or toassist in get‐
ting in and out of the seat. &
WARNING Risk of inju ryor death due to
objects under the co-driver seat
Objects trapped under the co-driver seat can
inter fere with the function of the automatic co-driver airbag shutoff or damage
the sys‐
te m. #
Do not store any objects under the co-
driver seat. #
When the co-driver seat is occupied,
make sure that no objects are trapped
under the co-driver seat. *
NO
TEDama getothe seats when moving
th e seats back The seats may be damaged
byobjects when
moving the seats bac k. #
When moving the seats bac k,make
sure that there are no objects in the
fo ot we ll, under or behind the seats. The switches
for adju sting the seats do not
mo ve.Yo u will therefore recei veno di rect feed‐
back on the switch while pressing the switch.
Fe edback is pr ovided only bythe mo vement of
th e seat. 1
Head restra int fore -and-aft position (vehicles
wi th an EA SYADJU STluxury head restra int)
2 Head restra int height
3 Seat height
4 Seat cushion inclination
5 Seat cushion length
6 Seat fore -and-aft position
7 Seat ba ckrest inclination Seats and
stowing 109

#
Save the settings with the memory function
(/ page 131).
% The head restra int height will be adjus ted
automatically when you adjust the seat
height or the seat fore -and-aft position.
% Ve
hicles with EASY ADJUST luxury head
re stra ints: thefo re -and-aft position of the
head restra int will be adjus ted automatically
when you adjust the backrest angle. Ad
justing the front passen ger seat electri‐
cally from the driver's seat Yo
u can call up thefo llowing functions forthe
front passenger sea t:
R Seat adjustment
R Seat heating
R Seat ventilation
R Memory function #
Toselect the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the
buttons on the driver's side door control
panel. 11 0
Seats and stowing

Ad
justing the front passen ger seat electri‐
cally from the rear Ve
hicles with electrically adjus table outer seats
1 Selects the front passenger seat
2 Head restra int height
3 Seat backrest inclination
4 Seat height
5 Seat fore -and-aft position Ve
hicles with an EASY ADJUST luxury head restra int
1 Selects the front passenger seat
2 Head restra int fore -and-aft position
3 Head restra int height
4 Seat backrest inclination
5 Seat height
6 Seat fore -and-aft position #
Adjust there ar seat (/ page111). #
Toselect the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the
buttons on the door operating unit in there ar
passenger compartment.
% You can use there ar-compartment child
saf ety lock todisable this function
(/ page 76). Ad
justing the rear seats electrical ly &
WARNING Risk of inju ryor death due to
incor rect seat position
The seat belt will not of ferth e intended le vel
of pr otection if you ha venot mo vedth e seat
backrest toan almost vertical position.
In particular, you may slip under the seatbelt
and injure yourself. #
Adjust the seat proper lybefore begin‐
ning your journe y. Seats and
stowing 111

#
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is
ro uted across the cent reofyour shoul‐
der. The swit
ches for adju sting the seats do not
mo ve.Yo u will therefore recei veno di rect feed‐
back on the switch while pressing the switch.
Fe edback is pr ovided only bythe mo vement of
th e seat.
Yo u can electrically adjust on lythe outer seats in
th ere ar compartment. 1
Fore-and-aft position of the head restra int
(vehicles with active multicontour seat)
2 Head restra int height
3 Seat backrest inclination
4 Combined seat cushion inclination and
length #
Save the settings with the memory function
(/ page 132). Setting
the fully reclined position #
Toset the fully reclined position: press
button 1.
R The rear seat will mo veinto the fully
re clined position.
R The front passenger seat will mo veinto
th e position forch auf feur mode. 11 2
Seats and stowing