2021 MERCEDES-BENZ S-CLASS SALOON LONG warning light

1
Light switch →
169
2 Steering wheel gearshiT paddles →
233
3 Combination switch →
171
4 Driver displ ay →
345
5 DIRECT SELECT le ver →
231
6 ü Start/stop button →
211
è ECO start/s top function →
220
7 Central display →
361
8 Glovecompartment →
150
9 Stow age compartment →
150
A Switch panel for:
÷ DYNAMIC SELECT button →
228
c Active Parking Assist →
323
& Switches the stationary heater on/o. →
201
\ Quick vehicle access
ú Fingerprint sensor →
361 Ü
Switches the MBUX multimedia system
on/o. →
361
a Switches sound on/o. →
361
ø Adjusts thevo lume →
361
B £ Hazard warning light system →
172
C Control panel forth e MBUX multimedia system →
368
D Adjusts the steering wheel →
140
ý Switches the steering wheel heater
on/o. →
141
E Control panel:
Driver display →
345
I Active Distance Assist DISTRONIC and
va riable limi ter →
279
F Diagnostics connection →
37
G M Opens the bonnet →
424
H ! Electric parking brake →
262 At
a glance – Cockpit
7 7

1
#! Turn signal lights →
171
2 ï Trailer hitch →
575
3 ä Suspension (red) →
584
ä Suspension (yellow) →
584
4 # Electrical fault →
578
5 Ù Powe r steering (red) →
575
Ù Powe r steering (yellow) →
575
Ù Rear axle steering (red) →
575
Ù Rear axle steering (yellow) →
575
6 6 Restraint system →
573
7 ü Seat belt →
573
8 L Distance warning →
584
9 ! ABS →
586
A h Tyre pressure monitoring system →
589
B ; Engine diagnostics →
578
C å ESP®
OFF →
586 ÷
ESP®
→
586
D % Diesel engine: preglow
E ÿ Coolant temp erature →
578
F Coolant temp erature display
G ! Electric parking brake (yellow) →
581
H ! Electric parking brake (red) →
581
I J Brakes (red) →
581
J Brakes (yellow) →
581
J 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
578
K Fuel le vel
L K High beam →
171
L Low beam →
169
T Standing lights →
169
M R Rear fog light →
170
N H Mercedes-Benz emer gency call system →
588 At
a glance – Indicator and warning lamps (standard)
11
11

1
#! Turn signal lights →
171
2 ü Seat belt →
573
3 L Distance warning →
584
4 6 Restraint system →
573
5 h Tyre pressure monitoring system →
589
6 å ESP®
OFF →
586
÷ ESP®
→
586
7 ! ABS →
586
8 % Diesel engine: preglow
9 ÿ Coolant temp erature →
578
A Coolant temp erature display
B ! Electric parking brake (yellow) →
581
C ! Electric parking brake (red) →
581
D J Brakes (red) →
581
J Brakes (yellow) →
581
E 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
578 F
Fuel le vel
G R Rear fog light →
170
H K High beam →
171
L Low beam →
169
T Standing lights →
169
I H Mercedes-Benz emer gency call system →
588
J ï Trailer hitch →
575
K # Electrical fault →
578
L ; Engine diagnostics →
578
M Ù Powe r steering (red) →
575
Ù Powe r steering (yellow) →
575
Ù Rear axle steering (red) →
575
Ù Rear axle steering (yellow) →
575
N ä Suspension (red) →
584
ä Suspension (yellow) →
584 At
a glance – Indicator and warning lamps (with driver camera)
13
13

1
B-pillar wi th:
QR code for accessing there scue card →
40
2 Safetyve sts →
437
3 ; me button →
400
G SOS button →
400
4 Tocheck and top up operating 0uids →
481
St arting assis tance →
448
5 Tow- starting or towing away →
451
6 Flat tyre →
439
7 £ Hazard warning light system →
172 8
Fire extinguisher →
438
9 Fuel /ller 0ap with:
information label on fuel type →
235
information label on tyre pressure →
463
QR code for accessing there scue card →
40
A Tow- starting or towing away →
451
B Firs t-aid kit (soT sided) →
438
C TIREFIT kit →
440
D Warning triangle →
437 At
a glance – Emer gencies and breakdowns
21
21

R
R
es
estr traint syst
aint syst em functionality
em functionality When
theve hicle is switched on, a self-test is per-
fo rm ed, during which the6 restraint system
wa rning lamp lights up. It goes out no later than a
few seconds aTer theve hicle is star ted. The com-
ponents of there straint system are then func-
tional. Malfunctioning r
Malfunctioning r
es
estrtraint syst
aint syst em
em A malfunction has occur
red in there straint sys-
te m if:
R the6 restraint system warning lamp does
not light up when theve hicle is switched on
R the6 restraint system warning lamp lights
up continuously or repeatedly during a journey
All v
All v ehicles, ex
ehicles, excep
cep t plug-in h
t plug-in h ybr
ybrid:
id: &
W
WARNING
ARNING Risk of injury due tomalfunc-
tions in there straint system
Co mp onents in there straint system ma y be
acti vated unintentionally or not deploy as
intended in an accident. #
Have there straint system checked and
re paired immediately at a quali/ed spe-
cialist workshop. Plug-in h
Plug-in h
ybr
ybrid:
id: &
D
DAN
AN GER
GER Risk of fatal injuries due to
re straint system malfunctions
Co mp onents in there straint system ma y be
acti vated unintentionally or not deploy as plan-
ned in an accident. In theeve nt of an acci-
dent, the high-voltage on-board electrical sys-
te m may not be deactivated as intended.
Yo u may su.er an electric shock if youto uch
th e damaged components of the high-voltage
on-board electrical system. #
Have there straint system checked and
re paired immediately at a quali/ed spe-
cialist workshop. #
ATer an accident, switch o. theve hicle
immediatel y. F
F
unction of t
unction of t he r
he res
estrtraint syst
aint syst em in an accident
em in an accident How
there straint system works depends on the
se verity of the impact de tected and the apparent
type of accident:
R Frontal impact
R Rear impact
R Side impact
R Rollover
The activation thre sholds forth e components of
th ere straint system are de term ined based on the
ev aluation of the sensor values measured at vari-
ous points in theve hicle. This process is pre-e mp-
tive in nature. The triggering/deployment of the
components of there straint system must take
place in good time at the start of the collision.
Fa ctors which can only be seen and measured
aTer a collision has occur red cannot play a deci-
sive role in airbag deployment. Nor do they pro-
vide an indication of airbag deployment.
The vehicle may be deformed signi/cantly without
an airbag being depl oyed. This is the case if only
parts which are relatively easily deformed are
a.ec tedand thera te of vehicle deceleration is 46 46
Occupant saf
ety

If
th e front passenger seat is occupied, alw ays
ensure that:
R the classi/cation of the person in the front
passenger seat is cor rect and the front
passenger airbag is enabled or disabled in
accordance with the person in the front
passenger seat.
R the front passenger seat has been mo ved
as far back as possible.
R the person is seated cor rectl y. #
Both before and during the journe y,
ensure that the status of the front
passenger airbag is cor rect. If
th e front passenger seat is occupied, the classi-
/cation of the person or child restraint system on
th e front passenger seat take s place aTer the
front passenger airbag shuto. self-test. The
PA SSENGER AIR BAG indicator la mps display the
status of the front passenger airbag.
Alw ays obser vethe no tes on the function of the
PA SSENGER AIR BAG indicator lamps
( / page 58). F F
unction of t
unction of t he P
he PASSEN
ASSEN GER AIR BA
GER AIR BAG indicat
G indicat or
or
lam
lam ps
ps Self-t
Self-t
es
est of autt of aut omatic fr
omatic fr ont passeng
ont passeng er airbag shut-
er airbag shut-
o.
o. When theve hicle is switched on, a self-test is per-
fo rm ed during which the two PASSENGER AIR
BAG ON and OFF indicator la mps light up simul ta-
neous ly. The status of
the front passenger airbag is dis-
pla yed via thePA SSENGER AIR BAG indicator
la mp s aTer the self-test:
R ON is lit:
ON is lit: the front passenger airbag may
deploy during an accident.
The indicator lamp goes out aTer 60 seconds.
R ON and OFF ar ON and OFF ar e no
e not lit:
t lit: the front passenger
airbag may deploy during an accident.
R OFF is lit:
OFF is lit: the front passenger airbag is disa-
bled. It will then not be deplo yed in theev ent
of an accident.
If th ePA SSENGER AIR BAG ON indicator la mpis
o., only thePA SSENGER AIR BAG OFF indicator
la mp shows th e status of the front passenger air-
bag. The PASSENGER AIR BAG OFF indicator la mp
may be lit continuously or be o..
If th ePA SSENGER AIR BAG OFF indicator la mp
and the6 restraint system warning lamp light
up simultaneousl y,the front passenger seat may
not be used. Also in this case, do not /t a child
re straint system tothe front passenger seat. Ha ve
th e automatic front passenger airbag shuto. 58 58
Occupant saf
ety

R
R
e
ev
ver
er sing t
sing t he PRE-S
he PRE-S AFE
AFE®
®
syst
syst em measur
em measur es
es If an accident did not occur,
the pre-em ptive
measures that we re ta ken are reve rsed.
Yo u will need toper form certain settings yourself. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occu-
y occu-
pant pr ot
pant pr otection plus)
ection plus) PRE-SAFE
®
PLUS can de tect cer tain impacts, par-
ticular lyan imminent rear impact, and take pre-
em ptive measures toprotect theve hicle occu-
pants. These measures cann otnecessarily pre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher 0ashing frequency. R
Increasing brake pressure when theve hicle is
stationar y.This brake application is cancelled
automatically when theve hicle pulls away.
If an accident did not occur, the pre-em ptive
measures that we re ta ken are reve rsed.
Syst
Syst em limits
em limits
The system 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 system will not initiate any braking application
in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space while
using Active Parking Assist F F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
Im
Im pulse Side
pulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-em ptively mo vethe
front seat vehicle occupant's upper body towa rds
th e centre of theve hicle. It does this by rapidly
in0ating an air cushion in the outer seat side bol-
ster of the seat backrest on the side on which the
impact is anticipated. This increases the distance
between the door and theve hicle occupant.
V
V ehicles wit
ehicles wit h E-A
h E-ACTIVE BOD
CTIVE BOD Y C
Y CONTR
ONTR OL:
OL:the body
can also be slightly raised.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, thePRE-SAFE impulse side inoperative
See Owner's Manual (/page 496) display mes-
sage appears. A
A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
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 implemented, for
ex ample:
R automatic braking (post-collision brake) 64
64
Occupant saf
ety

R
activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 411)
R switching o. the engine
To start theve hicle again, switch theve hicle
o. and on once more (/ page 211). Depend-
ing on the type and se verity of the accident,
yo u may no longer be able tostart theve hicle.
R switching o. the fuel supply
R v
vehicles wit
ehicles wit h h
h hybr
ybr id dr
id dr iv
ive:
e: switching o. the
hy brid system and high-voltage on-board elec-
trical system
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the central
display
R switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or even avo id it. If an accident is de
tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied.
The driver can cancel automatic braking bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce Saf Saf
el
ely tr
y tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictly obser vethe saf ety no tesfo rthe
speci/c situation. In this wa yyo u can recog-
nise po tential risks and avoid dangers if chil-
dren are tr avelling in theve hicle
(/ page 66).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a
ch ild in thech ild restraint system ma y haveseri- ous conse
quences. Alw ays be dili gent in securing
a ch ild carefully before every journe y.
Ne ver allow babies and children totrave l sitting
on the lap of ano ther vehicle occupant.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obser vethefo l-
lowing information:
R Always secure thech ild in a child restraint sys-
te m suitable forth is Mercedes-Benz vehicle.
R The child restraint system must be appropria te
to the age, weight and size of thech ild.
R The vehicle seat must be suitable for /tting a
ch ild restraint system (/ page 70).
Ac cident statistics show that children secured on
th ere ar seats are generally safe rth an children
secured on the front seats. Forth is reason,
Mercedes-Benz st rongly advises that you /t a
ch ild restraint system toare ar seat. Occupant saf
ety
65 65