2021 MERCEDES-BENZ S-CLASS SALOON LONG wheel

F
F
unction of ESP
unction of ESP ®
®
tr
trailer st
ailer st abilisation
abilisation &
W
WARNING
ARNING Risk of accident in poor road
and weather conditions
In poor road and weather conditions, the
trailer stabilisation cannot pr event lur ching of
th eve hicle/trailer combination. Trailers with a
high cent reofgrav ity may tip over before
ESP ®
de tects this. #
Always adapt your driving style tosuit
th e cur rent road and weather conditions. When driving with a trailer, ESP
®
can stabilise
yo ur vehicle if the trailer begins toswer vefrom
side toside:
R ESP ®
trailer stabilisation is active abo ve
speeds of 65 km/h.
R Slight swerving is reduced bymeans of a tar-
ge ted, individual brake application on one
side.
R Intheev ent of se vere swerving, the engine
output is also reduced and all wheels are
braked. ESP
®
trailer stabilisation may be impaired or may
not function if:
R The trailer is not connected cor rectly or is not
de tected proper lyby theve hicle. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating ESP
ating ESP®
®
(Electr
(Electr onicSt
onic Stability
ability
Pr
Pr ogr
ogr am)
am) Multimedia system:
4 © 5
ß 5
y
% ESP®
can only be activated/deactivated using
qu ick access when at least one other function
is available in quick access. ESP ®
can other-
wise be found in theAssistance menu. #
Select ESP. #
Select Onorå Off.
ESP ®
is deactivated if theå ESP®
OFF warn-
ing lamp lights up continuously in the driver's dis-
pla y.
Obser veany information on warning lamps and
display message s which may be shown in the driv-
er's displa y. F
F
unction of EBD
unction of EBD Electronic Breakforce Distribution (EBD) is
char-
acterised bythefo llowing:
R Monitoring and regulating the brake pressure
on there ar wheels.
R Impr oved driving stability when braking, espe-
cially on bends. F
F
unction of S
unction of S TEER C
TEER CONTR
ONTROL
OL ST
EER CONTROL assists youby transmitting a
noticeable steering forc eto the steering wheel in
th e direction requ ired forve hicle stabilisation.
This steering recommendation is given in thefo l-
lowing situations:
R both right wheels or bo thleT wheels are on a
we t or slippery road sur face when you brake
R theve hicle starts toskid
Syst
Syst em limits
em limits
ST EER CONTROL may be impaired or may not
function in thefo llowing situations:
R ESP ®
is deactivated. Driving and parking
271
271

R
P
Per
er manent
manent: :fo r a longer-term speed restric-
tion, e.g. in winter ty remode
The variable limi ter is operated using the cor re-
sponding steering wheel buttons (/ page 279).
Yo u can store any speed abo ve20 km/h up tothe
maximum design speed or up tothe set winter
tyre limit. You can also per form settings while the
ve hicle is stationary if theve hicle has been star-
te d.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 266).
Display
Display s in t
s in the dr
he dr iv
iver's display
er's display
R È (gre y): variable limi ter is selected but not
yet activated.
R È (0ashes grey):variable limi ter is temp o-
rari lypassive.
R È (gre en): variable limi ter is activated.
A stored speed appears under theÈ display
and is indicated in the speedome ter.
If yo u depress the accelerator pedal be yond the
pressure point (kickdown), theva riable limi ter switches
topassive mode. The Èpassive
message appears in the driver's display and the
È display 0ashes.
The variable limi ter is reactivated in thefo llowing
situations:
R Ifth eve hicle speed drops below the stored
speed.
R Ifth e stored speed is called up.
R Ifyo u store a new speed.
Inf
Inf or
ormation on t
mation on t he per
he permanent limit
manent limit er
er
If th eve hicle should ne verex ceed a speci/c
speed (e.g. for driving in winter tyre mode), you
can set this speed with the permanent limiter.
Yo u do this by limiting the speed between
160 km/h and 240 km/h in the multimedia sys-
te m (/ page 276).
Shortly before the set speed is reached, it
appears in the driver's displa y.When you con/rm
th e message, display messages no longer appear
until you switch o. theve hicle. The speed will
only be displ ayed again once theve hicle has been
re star ted or if the set speed is changed. The permanent limi
ter does not switch topassive
mode even during kickdown and the driven speed
re mains below the set speed.
Se
Se tting t
tting t he limit speed f
he limit speed f or wint
or winter tyr
er tyres
es
Multimedia system:
4 © 5
Settings 5
Vehicle 5
Driving #
Activate or deactivate Winter tyre limit.
Se
Se tting a speed
tting a speed #
Select ZnexttoWinter tyre limit. #
Select a speed. A
A
ctiv
ctiv e Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC
ONIC F
F
unction of A
unction of A ctiv
ctive Dist
e Dist ance Assis
ance Assist DIS t DISTR
TRONIC
ONIC
Ac tive Distance Assist DISTRONIC maintains the
set speed on free-0owing roads. If vehicles in
front are de tected, the set distance is maintained,
if necessar y,until theve hicle comes toa halt. The
ve hicle accelerates or brakes depending on the
distance totheve hicle in front and the set speed.
The speed and distance totheve hicle in front are
set and sa ved using the steering wheel. 276
276
Driving and parking

R
ç (gre en speedome ter,white vehicle):
Ac tive Distance Assist DISTRONIC acti ve,
speed set
R ç (gre en): Active Distance Assist
DISTRONIC active andvehicle de tected
The stored speed is shown under the permanent
status display and highlighted on the speedome-
te r. When Active Distance Assist DISTRONIC is
passive, the status display is grey ed out.
If th e speed of theve hicle in front or the speed
adjustment is less than the stored speed due to
th ero ute event ahead, the segments in the
speedome ter light up.
When the set speci/ed distance is increased or
decreased, theÒ display brie0y appears under
th eve hicle in the permanent status displa y.
% On mo torw ays or high-speed major roads, the
gr een ç vehicle symbol is displ ayed cycli-
cally when theve hicle is ready topull away.
% Ifyo u depress the accelerator pedal be yond
th e setting of theAc tive Distance Assist
DISTRONIC, the system is switched topassive mode. The
çsuspended message
appears in the driver's displa y.
Syst
Syst em limits
em limits
The system may be impaired or may not function
in thefo llowing situations, forex ample:
R In sno w,rain, fog, heavy spr ay, if there is glare,
in direct sunlight or in greatly varying light
conditions.
R The windscreen in the area of the camera is
dirty, misted up, damaged or co vered.
R Ifth era dar sensors are dirty or co vered.
R In multi-s tore y car par ksor on roads with
steep uphill or downhill gradients.
R Ifth ere are nar row vehicles in front, such as
bicycles or mo torc yc les.
In addition, on slippery roads, braking or acceler-
ating can cause one or se veral wheels tolose
traction and theve hicle could then skid.
Do not use Active Distance Assist DISTRONIC in
th ese situations. &
W WARNING
ARNING Risk of accident from accelera-
tion or braking byActive Distance Assist
DISTRONIC
Ac tive Distance Assist DISTRONIC may accel-
erate or brake in thefo llowing cases, for
ex ample:
R Ifth eve hicle pulls away using Active Dis-
ta nce Assist DISTRONIC.
R Ifth e stored speed is called up and is con-
siderably faster or sl owerth an the cur-
re ntly driven speed.
R IfAc tive Distance Assist DISTRONIC no
longer de tects a vehicle in front or does
not react toreleva nt objects. #
Always carefully obser vethe tra1c con-
ditions and be ready tobrake at all
times. #
Take into account the tra1c situation
before calling up the stored speed. 278
278
Driving and parking

Fu
rther information about Active Distance
Assist DISTRONIC (/ page 279).
% Further information on speed adap tation
(/ page 282).
F
F unction of A
unction of A ctiv
ctiveSt
e St op-and-Go Assist
op-and-Go Assist
Ac tive Stop-and-Go Assist helps you when in traf-
fi c jams on multi-lane roads with separate car ria-
ge wa ys by automatically pulling away within up to
60 seconds and with moderate steering manoeu-
vres. It orients itself using theve hicle in front and
lane markings. Active Stop-and-Go Assist auto-
matically maintains a safe distance from theve hi-
cle in front and vehicles cutting in.
Ac tive Stop-and-Go Assist requires you, as the
driver, tokeep your hands on the steering wheel
at all times so that you are able tointer vene at
any time tocor rect the course of theve hicle and
ke ep it in lane.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 266). Ac
tive Stop-and-Go Assist activates automatically
when all of thefo llowing conditions are met:
R You are in a tra1c jam on a mo torw ay or high-
speed major road.
R Active Distance Assist DISTRONIC is acti vated
and active (/ page 279).
R Active Steering Assist is activated and active
(/ page 286).
R You are tr avelling no faster than 60 km/h.
When Active Stop-and-Go Assist is active the
¬ status displa y appears in the driver's dis-
pla y.
Syst Syst em limits
em limits
The system limitations of Active Distance Assist
DISTRONIC and Active Steering Assist apply to
Ac tive Stop-and-Go Assist (/ page 284). A
A
ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist F
F
unction of A
unction of A ctiv
ctiveSt
e St eer
eer ing Assist
ing Assist
Ac tive Steering Assist is only available up to a
speed of 210 km/h. The system helps youto stay
in the centre of the lane bymeans of moderate steering inter
ventions. Depending on the speed
driven, Active Steering Assist uses theve hicles
ahead and lane markings as a refere nce.
% Depending on the countr y,in the lo wer speed
ra nge Active Steering Assist can use the sur-
ro unding tra1c as a refere nce. If necessar y,
Ac tive Steering Assist can then also pr ovide
assistance when driving outside the centre of
th e lane.
If th e de tection of lane markings and vehicles
ahead is impaired, Active Steering Assist switches
to passive mode. The system pr ovides no support
in this case.
P
P er
er manent st
manent st atus displa
atus displa y in t
y in the dr
he dr iv
iver's display
er's display
Ø Grey
Gr ey:
:acti vated and passive
Ø Gr
Green:
een: activated and active
Ø R
Red,
ed, 0ashing:
0ashing: prompttothe driver to
actively con/rm or transition from active to
passive status, system limit de tected 284
284
Driving and parking

%
During the transition from active topassive
status, theØ symbol is shown as enlar ged
and 0ashing. Once the system is passive, the
Ø symbol is shown as grey inthe driver's
displa y.
Cont
Cont act det
act det ection
ection
The driver is requ ired tokeep their hands on the
stee ring wheel at all times and be able tointer-
ve ne at any time tocor rect the course of theve hi-
cle and keep it in lane. The driver must expect a
ch ange from active topassive mode or vice versa
at any time. If
th e system de tects that the driver has not
steered theve hicle for a considerable period of time or has
remo vedth eir hands from the steering
wheel, an optical warning is given /rst. Display 1
appears in the driver's displa y.Ifth e driver still
does not steer theve hicle, or gives no con/rma-
tion tothe system, a warning tone sounds in addi-
tion tothe visual warning message.
If th e driver does not react tothis wa rning for a
considerable period, an emer gency stop is initi-
ated (/ page 286).
The warning is not issued or is stopped as soon as
th e system de tects that the driver has touched
th e steering wheel.
To uch de tection may be limited or inoperative in
th efo llowing situations:
R The driver is wearing glo ves.
R There is a steering wheel co ver on the steering
wheel.
If Ac tive Steering Assist de tects that a system
limit has been reached, a visual warning is issued
and a warning tone sounds.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 266). Syst
Syst
em limits
em limits
Ac tive Steering Assist has a limited steering tor-
qu efo r lateral guidance. In some cases, the steer-
ing inter vention is not su1cient tokeep theve hi-
cle in the lane.
The system may be impaired or may not function
in thefo llowing instances:
R There is poor visibility, e.g. due tosno w,rain,
fo g, heavy spr ay,gr eatly varying light condi-
tions or strong shadow s onthe car riag ewa y.
R There is glare, e.g. from oncoming tra1c,
di re ct sunlight or re0ections.
R Insu1cient road illumination.
R The windscreen is dirty, mis ted up, damaged
or co vered in the vicinity of the camera, e.g.
by a stic ker.
R No, or se veral, unclear lane markings are pres-
ent for one lane, or the markings change
qu ickl y,forex ample, in a construction area or
junctions.
R The lane markings are wornawa y,dark or co v-
ered up, e.g. bydirt or sno w. Driving and parking
285 285

R
Ifth e distance totheve hicle in front is too
short and thus the lane markings cannot be
de tected.
R The road is nar row and winding.
R There are obs tacles on the lane or projecting
out into the lane, such as object mar kers.
R If transpo rtequipment, forex ample a trailer or
bicycle rack , is attached tothe trailer hitch
and the electrical connection has been cor-
re ctly es tablished.
The system does not pr ovide assistance in thefo l-
lowing conditions:
R Onvery tight bends and when turning.
R When crossing junctions.
R Atroundabouts or toll stations.
R When actively changing lane without switching
on the turn signal indicator.
R When the tyre pressure is too lo w. &
W
WARNI NG
ARNI NGRisk of accident if Active Steer-
ing Assist unexpectedly stops functioning
If th e system limits of Active Steering Assist
are reached there is no guarantee that the
system will remain active or will keep theve hi-
cle in lane. #
Alwayske ep your hands on the steering
wheel and obser vethe tra1c carefull y. #
Always steer theve hicle paying attention
to tra1c conditions. &
W
WARNI NG
ARNI NGRisk of accident if Active Steer-
ing Assist unexpectedly inter venes
The de tection of lane markings and objects
may malfunction and cause unexpected steer-
ing inter ventions. #
Steer according totra1c conditions. A A
ctiv
ctiv ating/deactiv
ating/deactiv ating A
ating Activ
ctiveSt
e St eer
eer ing Assist
ing Assist
R
R eq
eq uir
uir ements:
ements:
R ESP ®
is activated, but is not inter vening. R
Active Distance Assist DISTRONIC is activa-
te d.
Multimedia system: 4 © 5
Settings 5
Assistance
5 Driving #
Select ØAct. Steering Asst . F
F
unction of A
unction of A ctiv
ctive Emerg
e Emerg encySt
ency Stop Assist
op Assist Ac
tive Emer gency Stop Assist uses touch sensors
to monitor whe ther the driver holds the steering
wheel and initiates an emer gency stop if neces-
sa ry.
If Ac tive Steering Assist is deactivated, the accel-
erator and brake pedal are monitored as well as
th e steering wheel. A warning is issued when the
stee ring wheel is not being held or when a pedal
is not depre ssed, andtheve hicle is in danger of
leaving the lane. 286
286
Driving and parking

If
th e system de tects that the driver has not
steered theve hicle for a considerable period of
time or has remo vedth eir hands from the steering
wheel, visual warning 1 is issued. If the driver
still does not steer theve hicle, or gives no con/r-
mation tothe system, a warning tone sounds in
addition tothe visual warning message.
Also obser vethe inst ructions on the contact
de tection of Active Steering Assist (/ page 284).
Ac tive Emer gency Stop Assist issues thefo llowing
wa rnings in order:
R Display message 1appears in the driver's
displa y. R
In addition todisplay 1awa rning tone
sounds.
R The Beginning emergency stop message
appears in the driver's displa y,a continuous
wa rning tone sounds, theve hicle no lon ger
accelerates, and there is a slight, repeated
te nsioning of the seat belt.
R The vehicle speed is reduced in increments
until it is at a standstill. Sharp brake impulses
are also produced.
Depending on the countr y,a lane change tothe
adjacent right-hand lane is carr ied out, if possible.
% It is only possible tochange across one lane
and only into theright-hand lane, and not
onto the hard shoulder.
When automatic braking is initiated, Active Dis-
ta nce Assist DISTRONIC is deactivated. Depend-
ing on the countr y,the hazard warning light sys-
te m is switched on.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R The vehicle is secured with the electric par k-
ing brake. R
The vehicle is unloc ked.
R If possible, an emer gency call is placed tothe
Mercedes-Benz emerg ency call centre.
Before automatic braking is initiated, you can can-
cel Active Emer gency Stop Assist bystee ring.
Yo u can cancel the inter vention byActive Emer-
ge ncy Stop Assist aTer automatic braking is initi-
ated byone of thefo llowing actions:
R Accelerating or braking: the emer gency stop is
cancelled, but thewa rning message ,wa rning
to ne and po wer steering remain active
R Steering: po wer-assis ted steering is cancelled,
th ewa rning message andwarning tone remain
active and theve hicle continues tobe braked
% Active Emer gency Stop Assist can initiate an
emer gency stop a maximum of thre e times
within one driving cycle. Subsequentl y,Ac tive
St eering Assist and Active Emer gency Stop
Assist are deactivated forth at driving cycle.
Syst Syst em limits
em limits
If Ac tive Lane Keeping Assist does not de tect lane
markings, Active Emer gency Stop Assist is not
active. Driving and parking
287
287

When
Active Lane Change Assist is available, the
± display appears along with green ar rows in
th e driver displa y.Ifth e system has been activa-
te d but is not cur rently available, the± display
appears along with grey arro ws inthe driver dis-
pla y.
If no vehicle or obs tacle is de tected in the adja-
cent lane and a lane change is permitted, the lane
ch ange begins aTer the driver has indicated
brie0y. The lane change is shown tothe driver
with a 0ashing green ar row next tothe±
steering wheel symbol. Green ar row 1 is dis-
pla yed in the appropriate adjacent lane in the
Assistance menu inthe driver displa y.The Lane
change to the left message,fo rex ample, also
appears.
Ac tive Lane Change Assist can be cancelled in
va rious situations, including thefo llowing:
R Change in the sur rounding conditions (e.g.
de tected obs tacle).
R The driver remo vesth eir hands from the steer-
ing wheel.
R The driver steers with too much forc e or in the
opposite direction. R
The driver mo vesth e turn signal indicator in
th e opposite direction.
R Active Distance Assist DISTRONIC or Active
St eering Assist is deactivated.
R The vehicle cann otmake the lane change as
planned.
Cancellation of Active Lane Change Assist is dis-
pla yed as follo ws:
R The ar row in the selected direction of tr avel
turns red.
R A cor responding message appears on the
driver displa y.
R In cer tain circumstances a warning tone
sounds. &
W WARNI NG
ARNI NGRisk of accident when changing
lane toan occupied adjacent lane
Lane Change Assist cann otalw ays clear ly
de tect if the adjacent lane is free.
The lane change might be initiated although
th e adjacent lane is not free. #
Before changing lanes, make sure that
th e neighbouring lane is free and there is
no danger toother road users. #
Monitor the lane change. &
W
WARNING
ARNING Risk of accident if Lane Change
Assist unexpectedly stops functioning
If th e system limitations for Lane Change
Assist ha vebeen reached, there is no guaran-
te eth at the system will remain active.
Lane Change Assist cannot then assist youby
applying steering torque. #
Alwa ys monitor the lane change and
ke ep your hands on the steering wheel.
Obser vethe tra1c conditions and steer
and/or brake if necessar y. Syst
Syst
em limits
em limits
The system may be impaired or may not function
in thefo llowing instances:
R There is poor visibility, e.g. due tosno w,rain,
fo g, heavy spr ay,gr eatly varying light condi-
tions or strong shadow s onthe car riag ewa y. Driving and parking
289 289