MERCEDES-BENZ S-CLASS SALOON LONG 2021 Owners Manual

Page 341 of 633

Ext
Ext
ending t
ending t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Pull button 2.
Indicator lamp 1will 0ash and the message
Trailer coupling in motion will appear onthe
driver's displa y.
The ball neck will extend fully electricall y. #
Wait until the ball neck has loc ked in place.
When indicator lamp 1is continuously lit, the
ball neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 1will 0ash and the message
Check trailer hitch lock will appear onthe
driver's displa y. R
R
e
etr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Pull button 2.
Indicator lamp 1will 0ash and the message
Trailer coupling in motion will appear onthe
driver's displa y.
The ball neck will retract fully electricall y. #
Wait until the ball neck has loc ked in place.
When indicator lamp 1goes out, the ball
neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 1will 0ash and the message
Trailer coupling Check lock will appear onthe
driver's displa y.
Obser vethe information about the displa yson the
driver's displa y:
R Indicator and warning lamps (/ page 571)
R Display message s (/page 495) 338
338
Driving and parking

Page 342 of 633

Ext
Ext
ending and re
ending and retr
tracting t
acting t he ball nec
he ball nec k full
k fully electr
y electr i-
i-
call
call y (multimedia syst
y (multimedia syst em)
em) &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Always engage the ball neck as descri-
bed. *
N
NOOTE
TE Damage tothe all-electric trailer
hitch due toadditional pressure The all-elect
ric trailer hitch could be mechani-
cally damaged byapplying additional pressure
when the ball neck is being extended or
re tracted. #
Do not make the ball neck extend/
re tract faster byapplying additional pres-
sure. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear. R
The trailer cables or ada pter plugs ha vebeen
re mo ved.
Multimedia system: 4 © 5
ß 5
y
Ext
Ext ending t
ending t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Select Ü.
The Trailer coupling in motion display mes-
sage will appear on the driver's displa y.
The ball neck will extend fully electricall y. #
Wait until the ball neck has loc ked in place.
If th e ball neck is not securely loc ked in place, the
message Check trailer hitch lock will appear on
th e driver's displa y.
R
R e
etr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Select Ü.
The Trailer coupling in motion display mes-
sage will appear on the driver's displa y.
The ball neck will retract fully electricall y. #
Wait until the ball neck has loc ked in place. If
th e ball neck is not securely loc ked in place, the
message Trailer coupling Check lock will appear
on the driver's displa y.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 571)
R Display message s (/page 495) Coupling up/uncoupling a tr
Coupling up/uncoupling a tr
ailer
ailer &
W
WARNING
ARNING Risk of injury due toach ange
in vehicle le vel
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol:
ol:theve hicle le vel
may be changed unintentionall y,e.g. by ot her
people. If you couple or uncouple the trailer
during this time, you may become trapped. In
addition, other people could become trapped
if parts of their body are between theve hicle
body and the tyres or underneath theve hicle.
Obser vethefo llowing when coupling or
uncoupling: Driving and parking
339
339

Page 343 of 633

#
Do not open or close any doors or the
boot lid. #
Do not initiate the le vel control and do
not operate theDY NAMIC SELECT
switch. #
Do not lo ckor unlock theve hicle. R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position.
Tr ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation R
Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist
R Drive Away Assist
R Cross tra1c warning
R Manoeuvring brake function
R Reversing camera
R 360° camera
R AIRMATIC
R E-AC TIVE BODY CONTROL
Coupling up a tr
Coupling up a tr ailer
ailer
* NO
NOTE
TEDamage tothe star ter battery due
to full dis charge Charging
the trailer battery using the po wer
supply of the trailer can damage the star ter
batter y. #
Do not use theve hicle's po wer supply to
ch arge the trailer batter y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1ingroo ve 3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far as
it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). 340
340
Driving and parking

Page 344 of 633

#
Make sure that the cable is alw ays slack for
ease of mo vement during cornering.
Under thefo llowing conditions, a message may
appear on the driver's display even if the trailer
has been connected cor rectl y:
R LEDs ha vebeen ins talled in the trailer lighting
system.
R The cur rent has fallen below the trailer lighting
system's minimum cur rent (50 mA).
% Accessories can be connected tothe perma-
nent po wer supply up to180 W and tothe
po we r supply that is switched on via the igni-
tion loc k.
U
U ncoupling a tr
ncoupling a tr ailer
ailer &
W
WARNI NG
ARNI NGRisk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer with an engaged
inertia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an engaged
overrun brake. *
N NOOTE
TE Damage when uncoupling in a state
of ove rrun Uncoupling in a state of
overrun can damage
th eve hicle. #
Do not uncouple trailers with an engaged
overrun brake. &
W WARNING
ARNING Risk of becoming trapped when
disconnecting the trailer cable
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:Thevehicle
may lo wer when the trailer cable is disconnec-
te d.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is underneath the
ve hicle or in the immediate vicinity of the wheel ar
ches when you disconnect the
trailer cable. *
N
NOOTE
TE Damage tothere ar bumper from
ins talling adap ter cables or adap ter plugs The
following parts could be damaged when
swiveling the ball neck fully electricall y:
R Bumper
R Adapter cable
R Adapter plug #
Alwaysre mo vethe adap ter cable or
adap ter plug before swiveling the ball
neck fully electricall y. #
Secure the trailer against rolling away. #
Disconnect the electrical connection between
th eve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver cap on the ball head.
% T
Tr
railer
ailer s wit
s wit h LED lighting:
h LED lighting: aTer uncoupling the
traile r,switch theve hicle on and then o.
again. Driving and parking
341
341

Page 345 of 633

Bicy
Bicy
cle r
cle r ac
ack function
k function &
W
WARNI NG
ARNI NGRisk of an accident if the bicy-
cle rack is used incor rectly
The bicycle rack may become de tach ed from
th eve hicle in thefo llowing cases:
R the permissible load capacity of the trailer
hitch is exceeded.
R the bicycle rack is used incor rectl y.
R the bicycle rack is secured tothe ball neck
beneath the ball head.
Obser vethefo llowing foryo ur ow n sa fety and
th at of other road users:
R always adhere tothe permissible load
capacity of the trailer hitch.
R always obser vethe permissible rear axle
load of theto wing vehicle.
R use the bicycle rack only totransport bicy-
cles. R
always mount the bicycle rack proper lyby
attaching tothe ball head and the ball
neck guide pin, if possible.
R when transporting four bicycles, alw ays
use bicycle rack s which ha veadditional
support on the ball neck guide pin.
R use only bicycle rack s appr oved by
Mercedes-Benz.
R always obser vethe bicycle rack operating
instructions. *
N
NOOTE
TE Damage to, or crac kson, the trailer
hitch due tounsuitable bicycle rack s or
bicycle rack s being used inco rrectly #
use only bicycle rack s appr ovedby
Mercedes-Benz. *
N
NOOTE
TE Increased risk of damage toprop-
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball neck or, in
the case of a fully electric
trailer hitch, retract the ball nec k. Tr
ailer hitch (example with additional guide pin)
Depending on the bicycle rack 's design, di.erent
numbers of bicycles can be transpor ted. 342
342
Driving and parking

Page 346 of 633

The
following bicycle rack designs are possible:
R When mounted byattaching toball head 1,
th e maximum load capacity is 75 kg. You can
transport up tothre e bicycles.
R When mounted on ball head 1and guide pin
2, the maximum load capacity is 100 kg. Yo u
can transport up tofour bicycles.
The maximum load capacity is calculate d fromthe
we ight of the bicycle rack and the bicycle rack
load.
Obser vethe no tes on driving with a roof load,
trailer or fully laden vehicle (/ page 215).
When using a bicycle rack , set the tyre pressure
fo r increased load on there ar axle of theve hicle.
Fu rther information on the tyre pressure can be
fo und in the tyre pressure table (/ page 463).
N No ot
tes on loading
es on loading
The lar gerth e distance between the load's centre
of grav ity and the ball head, thegre ater the load
on the trailer hitch. Obser
vethefo llowing no tes:
R mount heavy bicycles as close totheve hicle
as possible
R always distribute the load on the bicycle rack
as evenly as possible across theve hicle's lon-
gitudinal axis
Mercedes-Benz recommends removing all de tach-
able parts from bicycles (e.g. bask ets, ch ild seats,
re ch arge able batteries) before loading them onto
th e bicycle rack . This will impr ovethe aerody-
namic resis tance and centre of grav ity of the bicy-
cle rack.
Alw ays secure the bicycles toprev ent them from
moving around and check them at regular inter-
va ls to ensure that they are secure.
Do not use tarp aulins or other co vers. The driving
ch aracteristics and rear view may be impaired. In
addition, aerodynamic resis tance and the load on
th e trailer hitch will increase. Load distribution on
the bicycle rack
1 Vertical distance between centre of grav ity
and ball head
2 Horizontal distance between centre of grav ity
and ball head
3 The centre of grav ity is on theve hicle's cent re
axis
Obser vethefo llowing information when loading
th e bicycle rack: Driving and parking
343
343

Page 347 of 633

Loading t
Loading t
he bicy
he bicycle r
cle rack
ack 3 bicy
3 bicy
cles
cles 4 bicy
4 bicycles
cles
To talwe ight of
bicycle rack and
load Up
to75 kg Up to100 kg
Max. distance
1 420 mm 420 mm
Max. distance
2 300 mm 400 mmWhen transporting
four bicycles or a tota lwe ight
between 75 kg and 100 kg, alw ays use bicycle
ra ck s with additional support on the trailer hitch
guide pin. V V
ehicle to
ehicle towing ins
wing ins tr
tructions
uctions
The vehicle is not suitable forth e use of tow bar
systems that are used for 0at towing or dinghy
to wing, forex ample. Attach ing and using tow bar
systems can result in damage totheve hicle.
When you are towing a vehicle with tow bar sys-
te ms, safe driving characteristics cannot be guar-anteed
forth eto wing vehicle or theto we dve hicle.
The vehicle-trailer combination may swer vefrom
side toside.
Obser vethefo llowing information:
R Perm itted towing me thods (/ page 450)
R Plug-in h
Plug-in h ybr
ybrid:
id:permitted towing me thods
(/ page 451)
R The no tes on towing theve hicle with bo th
axles on thegr ound (/ page 451) 344
344
Driving and parking

Page 348 of 633

N
N
o
ot
tes on t
es on t he dr
he driv
iver's display
er's display &
W
WARNING
ARNING Risk of accident if the driver
display fails
If th e driver display has failed or is malfunc-
tioning, function restrictions in systems rele-
va nt tosaf ety cann otbe de tected.
The operating saf ety of your vehicle may be
impaired. #
Drive on carefull y. #
Have theve hicle checked immediately at
a qu ali/ed specialist workshop. If
th e operating saf ety of your vehicle is impaired,
park theve hicle immediately and safel y.Contact a
qu ali/ed specialist workshop.
The driver's display sho wsbasic information such
as speed, engine speed, fuel le vel, coolant tem-
perature as well as indicator and warning lamps.
Ad ditional functions available toyou include the
fo llowing:
R Di.erent menus, e.g. for assistance and navi-
ga tion R
Status displ aysfo rth e driving systems
R Display messages
R Information on speed, Consumptionand
ra nge
R Pow er me ter le vel and state of charge ofthe
high- voltage battery
R Indicator and warning lamps
Yo ur plug-in hybrid vehicle is also /tted with the
fo llowing warning and indicator lamps:
R -
õ Drive is activated
- ° "Foot o. the accelerator"
(/ page 226)
- ò Acoustic presence indicator inopera-
tive
The menu contents and settings can be individu-
ally adap ted and set. N No
ot
tes on t
es on t he 3D dr
he 3D dr iv
iver's display
er's display
The 3D driver's display enables a spatial represen-
ta tion of the content of the driver's displa y.It is a prerequisi
tethat the driver be recorded bythe
driver camera.
Sy Sy st
stem limits
em limits
The system may be impaired or may not function
in thefo llowing situations:
R The driver camera is deactivated or is not
working.
R The driver is outside the de tection range of
th e driver camera.
R The operating conditions are not in place, e.g.
ifth e outside temp erature is too low or too
high. Oper Oper
ating t
ating t he dr
he driv
iver's displ ay
er's display &
W
WARNING
ARNING Risk of distraction due toinfor-
mation systems and communications
equipment
If yo u operate information systems and com-
munications equipment integ rated in theve hi-
cle when driving, you could be distracted from Driver display
345 345

Page 349 of 633

th
e tra1c situation. This could also cause you
to lose control of theve hicle. #
Only operate this equipment when the
tra1c situation pe rmits. #
Ifyo u cannot be sure of this, stop the
ve hicle in accordance with the tra1c
conditions and operate the equipment
with theve hicle stationar y.Obser
vethe legal requ irements forth e country in
which you are cur rently driving when opera ting
th e driver's displa y. Scr
Scrolling on t
olling on t he menu bar
he menu bar 1
Back button
2 Main menu button
3 Touch Control
The content on the driver's display is controlled
using the control elements on the leT side of the
stee ring wheel. Touch Control 3is used tonavi-
ga te in a vertical and horizontal direction byswip- ing with one /nger
.Con/rm the selection by
pressing theTo uch Control.
% Tooperate Touch Control 3inthe most
e.ective way,use the tip of your thumb if pos-
sible. You can also set the sensitivity of the
To uch Control on the central display . #
Brie0y press main menu button 2. #
Select a menu byswiping tothe leT or right
on Touch Control 3. #
Press Touch Control 3tocon/rm. Dr
Dr
iv
iver displa
er displa y menus
y menus N
No
ot
tes on menus on t
es on menus on t he dr
he driv
iver's display
er's display &
W
WARNING
ARNING Risk of distraction due toinfor-
mation systems and communications
equipment
If yo u operate information systems and com-
munications equipment integ rated in theve hi-
cle when driving, you could be distracted from
th e tra1c situation. This could also cause you
to lose control of theve hicle. 346 346
Driver displ
ay

Page 350 of 633

#
Only operate this equipment when the
tra1c situation pe rmits. #
Ifyo u cannot be sure of this, stop the
ve hicle in accordance with the tra1c
conditions and operate the equipment
with theve hicle stationar y. Obser
vethe legal requ irements forth e country in
which you are cur rently driving when opera ting
th e driver's displa y.
The following menus can be called up via the
menu bar on the driver's displa y:
R Understated
R Sport
R Exclusive
R Classic
R Navigation
R Assistance
R Service
In some of these menus, you can choose between
di.erent display content on the centre display
area. In most of
the menus, you can use Optionsto
con/gure fur ther settings forth e menu-speci/c
display content.
% You can /nd fur ther information about the
possible settings and selections in the menus
in the Digital Owner's Manual. Calling up display
Calling up display
s on t
s on the Spor
he Spor t menu in plug-in
t menu in plug-in
h
h ybr
ybr ids
ids Driver's displa
y:
4 Sport
In plug-in hybrid vehicles, theSport menu pro-
vides additional information about the output and
th eve hicle's recuperated po wer.
% When theSport menu is called up on the
menu bar of the driver's displa y,the menu
colour setting is automatically applied tothe
MBUX multimedia system. #
Press the main menu button òonthe
stee ring wheel. #
Swipe tothe leT or right on the leT-hand
To uch Control toselect theSport menu on the
menu bar of the driver's displa y. #
Tocall up the menu, press the leT-hand Touch
Control. 1
Display range of recuperated po wer (recuper-
ation)
2 Display range of the output
3 Additional display range of the output Driver display
347
347

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