door lock MERCEDES-BENZ S-CLASS SALOON LONG 2021 Owner's Guide

#
apply the parking brake. #
Switch the transmission toposition j. &
W
WARNING
ARNING Risk of /re caused byhot
ex haust system parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no 0ammable
material can come into contact with hot
ve hicle components. #
In particular, do not park on dry grass-
land or har vested grain /elds. &
W WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c. R
operate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
N
NOOTE
TE Damage totheve hicle due toitro ll-
ing away #
Always secure theve hicle against rolling
awa y. *
N
NO
OTE
TE Damage due totheve hicle lo wering V
V
ehicles wit
ehicles wit h AIRMA
h AIRMATIC or E-A
TIC or E-A CTIVE BOD
CTIVE BOD Y
Y
C
C ONTR
ONTR OL:
OL:The vehicle can lo wer because of
te mp erature di.erences or longer non-opera-
tional times. This can cause damage toparts
of the body. #
When stopping theve hicle and when
driving o., make sure that there are no
obstacles such as curbs under or in the
immediate vicinity of the body. Driving and parking
259
259

#
Bring theve hicle toa standstill bypressing the
brake pedal. #
Ongradients, turn the front wheels so that the
ve hicle will rollto wa rdsth eke rb if it starts
moving. #
Apply the electric parking brake. #
Engage transmission position jin a station-
ary vehicle with the brake pedal applied
(/ page 232). #
Switch o. theve hicle bypressing the1 but-
to n. #
Release the service brake slo wly. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still oper-
ate the side windo wsand the panoramic slid-
ing sunroof for appr oximately four minutes if
th e driver's door is closed. Gar
Gar
ag
age door opener
e door opener Pr
Pr
ogr
ogr amming butt
amming butt ons f
ons for t
or the g
he g ar
arag
ag e door opener
e door opener &
D
DAN
AN GER
GER Risk of fatal injuries caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vetheve hicle or, if present, the
stationa ryheater running in an enclosed
space without su1cient ventilation. &
W
WARNI NG
ARNI NGRisk of injury bybecoming
trapped when opening and closing a
ga rage door
When you operate or prog ram a garage door
with an integ ratedga rage door opener, per-
sons can become trapped or struck bythe
ga rage door if they stand wi thin its range of
mo vement. #
Always make sure that nobody is within
th era nge of thega rage door's mo ve-
ment. Before prog
ramming thega rage door opener, park
th eve hicle outside thega rage . Make sure that the
ve hicle is switched on but not star ted.
R R eq
eq uir
uir ements:
ements:
R The vehicle has been par ked outside the
gar age or outside thera nge of mo vement of
th e door. 260
260
Driving and parking

#
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. The electr
The electr
ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he tr
he trans-
ans-
mission is in position
mission is in position j
jand one of t
and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle is switched o..
R The seat belt tongue is not inse rted in the seat
belt buckle of the driver's seat and the driver's
door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page 264).
In t
In t he f
he f ollo
ollowing situations, t
wing situations, t he electr
he electric par
ic parking
king
br
br ak
ak e is also applied:
e is also applied:
R The HOLD function is keeping theve hicle sta-
tionar y.
R Active Parking Assist is keeping theve hicle
stationar y.
R Active Distance Assist DISTRONIC is bringing
th eve hicle toa standstill. R
In addition, one of t
In addition, one of t he f
he follo
ollowing conditions
wing conditions
mus
mus t be
t be ful/lled:
ful/lled:
- The vehicle is switched o..
- The seat belt tongue is not inse rted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a system malfunction.
- The po wer supply is insu1cient.
- The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d! indicator lamp lights up in the driver's
displa y.
% The electric parking brake is not automatically
applied if theve hicle is switched o. bythe
ECO start/s top function.
F F unction of t
unction of t he electr
he electric par
ic parking br
king br ak
ake (r
e (r eleasing
eleasing
aut
aut omaticall
omaticall y)
y)
The electr
The electr ic par
ic parking br
king br ak
ake is r
e is r eleased when t
eleased when t he
he
f
f ollo
ollo wing conditions ar
wing conditions ar e
eful/lled:
ful/lled:
R The driver's door is closed.
R The vehicle has been star ted. R
The transmission is in position hork and
yo u depress the accelerator pedal or you shiT
from transmission position jtoh ork
when on le velgr ound.
R Ifth e transmission is in position k,the boot
lid must be closed.
R The seat belt tongue is inse rted into the seat
belt buckle of the driver's seat.
If th e seat belt tongue is not inse rted into the
seat belt buckle of the driver's seat, one of the
fo llowing conditions must be ful/lled:
- You shiT from transmission position j.
or
- You ha veprev iously driven at speeds
gr eater than 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the driver's display
goes out. Driving and parking
263
263

area.
You can select a rest area and start naviga-
tion tothis rest area.
If yo ure start theve hicle, ATTENTION ASSIST with
mic rosleep de tection is automatical lyactivated.
The last selected sensitivity le velre mains stored.
Syst
Syst em limits
em limits
AT TENTION ASSIST is active in the 60 km/h to
200 km/h speed range.
The mic rosleep de tection function is available at a
speed of 20 km/h and abo ve.
Pa rticular lyin thefo llowing situations, ATTENTION
ASSIST only functions in a restric ted manner and
wa rnings may be dela yed or not occur:
R Ifyo u ha vebeen driving for less than appr ox-
imately 30 minutes.
R Ifth ero ad condition is poor (une venro ad sur-
fa ce or po tholes).
R Ifth ere is a strong side wind.
R Ifyo u adopt a sporty driving style (high corner-
ing speeds or high rates of acceleration).
R Ifth eSt eering Assist function of Active Dis-
ta nce Assist DISTRONIC is active. R
Ifth e clock is set tothe incor rect time.
R Ifyo uch ange lanes and vary your speed fre-
qu ently in active driving situations.
Microsleep de tection also does not function when
th e driver camera cannot de tect the driver's eyes,
fo rex ample as a result of thefo llowing factors:
R The driver's eyes are co vered due tothe steer-
ing column position, forex ample.
R Poor lighting conditions.
R Some types of spectacles or sunglasses.
R The driver's line of vision is outside the driver
camera's /eld of vision.
Also obser veany information rega rding display
message sth at can be displ ayed in the driver's
displa y.
The tiredness and alert ness assessment of
AT TENTION ASSIST with mic rosleep de tection is
re set and restar ted when continuing the journey
in thefo llowing situations:
R You switch o. theve hicle. R
Ifyo u unfasten your seat belt and open the
driver's door (e.g. tochange drivers or take a
break).
Se
Se tting A
tting A TTENTION ASSIST
TTENTION ASSIST
Multimedia system:
4 © 5
Settings 5
Assistance
5 Assistance 5
ATTENTION ASSIST
Se
Se tting t
tting t he sensitivity
he sensitivity #
Tapth e cur rent setting. #
Select Standard orSensitive.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the micr
he micr osleep w
osleep w ar
arning
ning #
Activate/deactivate Microsleep warning . Limit
Limit
er
er F
F
unction of t
unction of t he limit
he limiter
er
The limiter restricts the speed of theve hicle. To
re duce the speed tothe set speed, the limiter
applies the brakes automaticall y.
Yo u can limit the speed as follo ws:
R V
Var
ar iable:
iable: for a short-term speed restriction,
e.g. in built-up areas Driving and pa
rking
275
275

%
Alternati vely,yo u can begin parking with
Ac tive Parking Assist (/ page 323) and con-
tinue with theRe mo teParking Assist from any
ve hicle position. Todo this, stop theve hicle
during the parking procedure and select
transmission position j.#
Switch o. theve hicle and exit it with thekey.
S
S t
tar
ar ting t
ting t he par
he par king pr
king pr ocedur
ocedur e wit
e without selecting
hout selecting
in adv
in adv ance
ance #
Stop theve hicle and select transmission posi-
tion j. #
Switch o. theve hicle and exit it with thekey.
S
S t
tar
ar ting t
ting t he par
he par king pr
king pr ocedur
ocedur e while outside t
e while outside t he
he
v
v ehicle
ehicle #
Unlock theve hicle.
Carr
Carr ying out a par
ying out a par king pr
king procedur
ocedur e wit
e with R
h Remo te
emo te
P
P ar
ar king Assist
king Assist
% Keep theve hicle key with you during the par k-
ing procedure. You can cancel the parking
procedure and bring theve hicle toa standstill
by pressing a button on thekey. %
On completion of the parking procedure, the
ve hicle is loc ked.
If yo u ha vestar tedth e parking procedure as
described abo ve,th eve hicle is ready toconnect
to your mobile phone for a limited time. #
Start theRe mo teParking Assist App on the
mobile phone and connect totheve hicle. #
Follow the inst ructions of theRe mo teParking
Assist App.
% The turn signal indicator is automatically
switched on when starting parking and
switched o. when it is comple ted.
% Ifth e connection between theve hicle and the
mobile phone is inter rupted while a parking
manoeuvre is being per form ed, the manoeu-
vre can be continued if the connection is re-
established within a short time. &
W WARNING
ARNING Risk of accident due tovehicle
swinging out while parking or pulling out
of a parking space
While parking or pulling out of a parking
space, theve hicle swings out and can drive
onto areas of the oncoming lane.
This could cause youto collide with objects or
ot her road users. #
Pay attention toobjects and other road
users. #
Where necessar y,stop theve hicle or
cancel the parking procedure with
Re mo teParking Assist. #
ATer ending the parking procedure, ensure
th at all vehicle doors, wind ows and the boot
are closed. Secure theve hicle against rolling
awa y.
Cancelling t Cancelling t he par
he parking pr
king pr ocedure
ocedure
Yo u can cancel the parking procedure of Remo te
Pa rking Assist at any time and bring theve hicle to
a standstill. Driving and parking
329
329

#
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

R
The mic rosleep de tection of ATTENTION
ASSIST (/ page 274)
R The facial recognition
This function ser ves as sensor input for
authentication and unlocking of the user pro-
/le and pr otected applications (/ page 379).
R Multimodality
This function activates the MBUX Voice Assis-
ta nt with eye control, e.g. forth e con/ rmation
of a displ aymessage byvoice.
R The mir ror preselection (/ page 184)
This function allo ws the natural mo vement of
th e head tothe leT or right toautomatically
preselect the outside mir rorto be adjus ted. Inf Inf
or
ormation on user
mation on user s, sugg
s, sugges
estions and fav
tions and favour
our it
ites
es &
W
WARNING
ARNING Risk of becoming trapped dur-
ing adjustment of the driver's seat aTer
calling up a driver pro/le
Selecting a user pro/le may trigger an adjust-
ment of the driver's seat tothe position sa ved under
the user pro/le. You or other vehicle
occupants could be injured in the process. #
Make sure that when the position of the
driver's seat is being adjus ted via the
multimedia system, no people or body
parts are in the seat's range of mo ve-
ment.
If th ere is a risk of someone becoming trap-
ped, stop the adjustment process immedi-
atel y: #
a)Tapth ewa rning message onthe cen-
tral displa y.
or #
b) Press a memory function position but-
ton or a seat adjustment switch on the
driver's door.
The adjustment process will be stopped. The driver's seat is equipped with an access pre-
ve
nter.
If th e driver's door is open, the driver's seat will
not not be set aTer calling up the driver's pro/le. User
User
pr
pro/les
o/les and
anduser
user-speci/c
-speci/c cont
content
ent
Prerequisites forth eve hicle owner:
R You ha vea Mercedes me user account.
R You ha vea Mercedes me PIN.
R You ha veagreed tothete rm s of use.
R The vehicle is lin kedto a Mercedes me user
account.
% If one of the pre-requisites listed is missing or
if no user pro/le has been selected, the data
described in thefo llowing section will be
sa ved in theve hicle as the standard setting.
St andard settings can be changed byallvehi-
cle users.
User pro/les sa vepersonal settings. If theve hicle
is used byseveral people, a person can change
th eir pro/le settings without changing the settings
of other users.
If th eve hicle is equipped with the MBUX high end
Re ar Seat Enter tainment System, the occupants
in there ar compartment can log in as Mercedes
me users from their seats. The Multiseat Pro/le
Management allo ws three pro/les tobe used 378
378
MBUX multimedia system

T
T
eac
eac hing in, editing and dele
hing in, editing and dele ting biome
ting biometr
tric data
ic data
The biometric data models are sa ved in the sen-
sors in theve hicle. If recognition has been taught-
in, this sensor ser ves as a cont ributory factor for
authentication on the multimedia system. #
Select Protect content . #
Select Facial recognition, Fingerprint recogni-
tion orVoice recognition.
% If necessar y,authenticate yourself on the mul-
timedia system.
A
A ut
ut henticating using f
henticating using f ace r
ace recognition
ecognition #
Close the driver's door or fasten the driver's
seat belt. #
Look at the driver display for about /ve sec-
onds.
Yo ur face is scanned. A message in the driver
display sho wswhe ther facial recognition was
successful or not. You can unlock your user
pro/le and pr otected applications with the
fa cial scan. A A
ut
ut henticating using
henticating using /ng
/nger
erpr
pr ints
ints #
Place and liT your /n gerseveral times on the
/ngerprint sensor under theto uchscreen
(/ page 361).
The /n geris scanned. If the scanning proce-
dure is successful, a message appears on the
cent ral displa y.Yo u can unlock your user pro-
/le and pro tected applications with your /n ger
print.
A
A ut
ut henticating using v
henticating using v oice r
oice recognition
ecognition #
Speak the sentence shown on the central dis-
play and follow theVo ice Assistant's inst ruc-
tions.
If th evo ice recognition was successful, a mes-
sage appears on the central displa y.Yo u can
unlock your user pro/le.
% Avoid backg round or disturbing noises during
vo ice recognition.
Dele Dele ting biome
ting biome tr
tric data
ic data #
Tap on E ,fo rex ample, behind Facial rec-
ognition. #
Select Yes. T
T
eac
eac hing in t
hing in t he v
he vehicle ke
ehicle key f
y f or
or pr
pro/le
o/le selection
selection #
Select Protect content . #
Select Key recognition. #
Have theke yre ady and follow the set-up
assistant's prom pts.
The user pro/le is lin kedto the selected key.If
yo u open theve hicle with theke y,the light,
mir ror and seat settings foryo ur user pro/le
are pre-activated. The keyyo u are cur rently
using for unlocking is used.
The key is only storedforth e driver and for
one user pro/le.
Selecting a user
Selecting a user
% When you call up your driver pro/le, the driv-
er's seat and the steering wheel can be set.
Yo u can cancel the setting process with the
fo llowing actions:
R Press Tap here to cancel. messageonthe
cent ral displa y.
R Press one of the seat operating buttons in
th e driver's door. #
Select Change user. MBUX multimedia system
381 381

R
the electric parking brake cannot be released
or applied
R the transmission cannot be shiTed toposition
i orj
% Ifth e transmission cannot be shiTed toposi-
tion iorthe driver's display in the inst ru-
ment clus ter does not show anything, ha ve
th eve hicle transpor ted (/ page 453). A tow-
ing vehicle with liTing equipment is requ ired
fo rve hicle transpor tation.
* N
NOOTE
TE Damage due to towing away at
ex cessively high speeds or over long dis-
ta nces The driv
etra in could be damaged when towing
at excessively high speeds or over long distan-
ces. #
Atowing speed of 50 km/h must not be
ex ceeded. #
Atowing dis tance of 50 km must not be
ex ceeded. &
W
WARNING
ARNING Risk of accident when towing a
ve hicle which is too heavy
If th eve hicle tobe tow- star ted or towe daway
is heavier than the permissible gross mass of
yo ur vehicle, thefo llowing situations can
occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veorove rturn. #
Before tow- starting or towing away,
ch eck if theve hicle tobe tow- star ted or
to we dawa yex ceeds the permissible
gr oss mass. If a
vehicle must be tow- star ted or towe dawa y,its
we ight must not exceed the permissible gross
mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle identi-
/cation plate (/ page 480). #
Do not open the driver's door or front
passenger door; the transmission will other-
wise automatically shiT toj . #
Fitth eto wing eye (/ page 456). #
Fasten theto wing device.
* N
NOOTE
TE Damage due toincor rect connec-
tion of theto w bar #
Only connect theto w rope or tow bar to
th eto wing eyes. %
V
Vehicles wit
ehicles wit hto
h to w bar:
w bar: you can also attach the
to w bar tothe trailer hitch. #
Deactivate the automatic locking mechanism . #
Do not activate the HOLD function. #
Deactivate tow- awa y protection
(/ page 116). #
Deactivate Active Brake Assist (/ page 294). #
ShiT the transmission toposition i. #
Release the electric parking brake. 452
452
Breakdown assistance

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
C *A
t least one door is open. #
Close all doors.
Bonnet unlatched Pull lever
again to open *T
he bonn etis not fully unloc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Toopen the bonnet full y,pull the handle again (/ page 424).
Bonnet not locked Close
before starting journey *T
he bonn etis not loc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Close the bonnet (/ page 424). 522
522
Display messages and
warning/indicator lamps