key battery MERCEDES-BENZ S-CLASS SALOON 2022 Owners Manual

fo
rex ample, your driving behaviour, your location,
yo ur route or your use patterns.
Leg
Leg al r
al req
equir
uir ements r
ements r eg
egar
arding t
ding t he disclosur
he disclosur e of
e of
data
data
If legally requ ired todo so, manufacturers are, in
individual cases, legally obliged toprov ide go vern-
mental entities, upon requ est and totheex tent
re qu ired, data stored bythe manufacturer. For
ex ample, this may be the case during the in vesti-
ga tion of a criminal o.ence.
Go vernmental entities are themsel ves, in individ-
ual cases and within the applicable legal frame-
wo rk, authorised toread out data from theve hi-
cle. In the case of an accident, information that
can help with an in vesti gation can, therefore, be
ta ke n from the airbag control unit, forex ample.
Oper Oper ational dat
ational dat a in t
a in the v
he vehicle
ehicle
This is data rega rding the operation of theve hicle,
which ha vebeen processed bycont rol units.
This includes thefo llowing data, forex ample:
R vehicle status information such as the speed,
longitudinal acceleration, lateral acceleration,
number of wheel revo lutions or thefa stened
seat belts display R
ambient conditions, su chastemp erature, rain
sensor or distance sensor
Generall y,the use of these data is temp orar y;
th ey will not be stored be yond the period of oper-
ation and will only be processed within theve hicle
itself. Control units oTen contain data memories
fo rve hicle keys,fo rex ample. Their use permits
th ete mp orary or permanent documentation of
te ch nical information about theve hicle's operat-
ing state, component loads, main tenance requ ire-
ments and tech nical events or faults.
Depending on theve hicle equipment, thefo llo w-
ing data are stored:
R operating status of system components, such
as /ll le vels, tyre pressure or battery status
R malfunctions or faults in impor tant system
components, such as lights or brakes
R system reactions in special driving situations,
such as airbag depl oyment or the inter vention
of stability contro l systems
R information on events leading tovehicle dam-
age In cer
tain cases, it may be requ ired tostore da ta
th at wo uld ha veotherwise been used only temp o-
rari ly. This may be the case if theve hicle has
de tected a malfunction, forex ample.
If yo u use services, such as repair services and
maintenance work, stored operational data as
we ll as theve hicle identi/cation number can be
re ad out and used. They can be read out by
service network emplo yees, such as workshops
and manu facturers or third parties, such as break-
down services. The same is true in the case of
wa rranty claims and quality assurance measures.
In general, there adout is per form ed via the legally
prescribed port forth e diagnostics connection in
th eve hicle. The operational data that are read out
document tech nical states of theve hicle or of
individual components and assist in the diagnosis
of malfunctions, compliance with warranty obli ga-
tions and quality impr ovement. Tothat end, these
data, in particular information about component
loads, tech nical events, malfunctions and other
fa ults may be transmitted along with theve hicle
identi/cation number tothe manufacturer. Fur-
th ermore, the manufacturer is subject toproduct
liability. Forth is reason the manufacturer also General no
tes
39 39

K
K
e
ey
y Ov
Ov
er
ervie
vie w of ke
w of key functions
y functions &
W
WARNING
ARNING Risk of accident and inju rydue
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 totheke y caused bymag-
netic /elds #
Keep theke yaw ay from strong magnetic
/elds. Ve
hicle key
1 Indicator lamp
2 Locks 3
Unlo cks (with embossed sur face)
4 Opens/closes the boot lid
% If indicator lamp 1does not light up aTer
pressing theÜ ors button, the battery
is we ak or possibly dischar ged. Re place the
battery as soon as possible.
Re place theke y battery (/ page 86).
The key loc ksand unloc ksthefo llowing compo-
nents:
R Doors
R Fuel /ller 0ap
R Boot lid
If th eve hicle is not opened within appr oximately
40 seconds aTer unlocking, it loc ksagain. Anti-
th eT pr otection is primed again.
Do not keep theke yto get her with elect ronic devi-
ces or me tal objects. This can a.ect theke y's
functionalit y. 84 84
Opening and closing

There is a
risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e co ver and/or lid of the battery
compartment does not close securel y,
do not use theke y and keep it away from
ch ildren. #
If batteries are swallo wed, seek medical
attention immediatel y.+
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner. Ta
ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. R
R
eq
eq uir
uir ements:
ements:
R Youre qu ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a quali/ed specialist work-
shop. #
Remo vethe emer gency key (/ page 86). #
Press emer gency key2 into the opening in
th eke y in the direction of the arrow until co
ver1 opens. When doing so, do not hold
co ver1 closed. #
Insert emer gency key2 into the opening and
liT up co vering 3 and remo veit. #
Repeatedly tapth eke y again styour palm until
battery 4falls out of thekey. #
Insert the new battery with the positive pole
fa cing upwards. Use a lint-f ree clo thtodo so. #
Make sure that the sur face of the battery is
free of lint, grease and other impurities. #
Insert the front tabs of co vering 3 into the
housing and then press on bo thsides toclose
it. Opening and closing
87
87

#
Make sure that co vering 3 is comple tely
closed. #
Insert the front tabs of co ver1 into the
housing and then press until it is comple tely
closed. #
Insert the emer gency key again (/ page 86). Pr
Pr
oblems wit
oblems wit h t
h the key
he key , tr
, troubleshoo
oubleshoo ting
ting Y
Y
ou can no long
ou can no long er loc
er lock or unloc
k or unloc k t
k the v
he v ehicle
ehicle
Po ssible causes:
R The key battery is weak or dischar ged. #
Check the battery using the indicator lamp
(/ page 84). #
Replace theke y batter y,if necessary
(/ page 86). #
Use there placement key. #
Use the emer gency keyto lock or unlock
(/ page 95). #
Have theke ych ecked at a quali/ed specialist
wo rkshop. Ther
Ther
e is int
e is int erf
erfer
erence fr
ence fr om a pow
om a pow er
erful r
ful r adio signal
adio signal
sour
sour ce
ce
Po ssible causes if the function of theke y is
impaired:
R high voltage po wer lines
R mobile phones
R electronic devices (no tebooks, tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or automatic
bar riers #
Make sure that there is su1cient distance
between theke y and the po tential sou rce of
inter fere nce.
Y
Y ou hav
ou hav e los
e lost a key
t a key #
Have theke y deactivated at a quali/ed spe-
cialist workshop. #
If necessar y,ha ve the mechanical lock
re placed as well. Doors
Doors
N
No
ot
tes on t
es on t he additional door lock
he additional door lock The additional door lock is only
available forve hi-
cles forth e United Kingdom. &
W
WARNING
ARNING Risk of injury topersons inside
th eve hicle when the additional door lock
is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside. #
Never lea vepersons, in particular chil-
dren, unattended in theve hicle. #
Ifth ere are persons in theve hicle, do not
activate the additional door loc k. The additional door lock is automatically activated
in
thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO. 88 88
Opening and closing

%
Ifth e door handle is not extended, touch sen-
sor sur face 2 tounloc k. #
T
To loc
o loc k t
k the v
he v ehicle:
ehicle: touch recessed sensor
sur face 3. #
Conv
Conv enience closing:
enience closing: touch recessed sensor
sur face 3 for an extended period.
% Further information on con venience closing
(/ page 106). Pr
Pr
oblems wit
oblems wit h KEYLESS-GO, tr
h KEYLESS-GO, tr oubleshoo
oubleshooting
ting Y
Y
ou can no long
ou can no long er loc
er lock or unloc
k or unloc k t
k the v
he v ehicle using
ehicle using
KEYLESS-GO
KEYLESS-GO
Po ssible causes:
R The function of theke y has been deactivated.
R The key battery is weak or dischar ged. #
Activate the function of theke y (/ page 85). #
Check the battery using the indicator lamp
(/ page 84). #
Replace theke y batter y,if necessary
(/ page 86). #
Use there placement key. #
Use the emer gency keyto lock or unlock
(/ page 95). #
Have theve hicle and keych ecked at a quali-
/ed specialist workshop.
Ther Ther e is int
e is int erf
erfer
erence fr
ence fr om a pow
om a pow er
erful r
ful r adio signal
adio signal
sour
sour ce
ce
Po ssible causes if the function of KEYLESS-GO is
impaired:
R high voltage po wer lines R
mobile phones
R electronic devices (no tebooks, tablets)
R shielding due tome tal objects or induction
loops for electrical gate systems or automatic
bar riers #
Make sure that there is su1cient distance
between theke y and the po tential sou rce of
inter fere nce. A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating the aut
he automatic loc
omatic loc king
king
f
f eature
eature Multimedia system:
4 © 5
Settings 5
Vehicle
5 Locking function
% The vehicle is loc ked automatically when the
ve hicle is switched on and the wheels are
turning faster than walking pace. #
Activate or deactivate Automatic locking.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R The vehicle is being towe d or pushed. Opening and closing
91
91

The side wind
ow
The side wind ows canno
s canno t be opened or closed
t be opened or closed
using t
using t he conv
he conv enience opening f
enience opening f eatur
eature.
e.
Po ssible causes:
R The key battery is weak or dischar ged. #
Check the battery using the indicator lamp
(/ page 84). #
Replace theke y batter y,if necessary
(/ page 86). Sliding sunr
Sliding sunr
oof
oof Opening and closing t
Opening and closing t
he sliding sunr
he sliding sunroof
oof %
The term "sliding sunroof" refers to the pano-
ra ma sliding sunroof. &
W
WARNING
ARNING Risk of becoming trapped when
th e sliding sunroof is being opened and
closed
Body parts may become trapped in thera nge
of mo vement. #
During the opening and closing process,
make sure that no body parts are in the
sweep of the sliding sunroof. #
If someone is trapped, release the con-
trol panel immediatel y.
or #
Touch the control panel during automatic
operation.
The opening/closing process will be
stopped. &
W WARNING
ARNING Risk of entrapment if the slid-
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particular lyif
unattended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. &
W
WARNING
ARNING Risk of becoming trapped when
th ero ller sunblind is being opened and
closed
Body parts may become trapped between the
ro ller sunblind and frame or sliding roof. #
During the opening or closing process,
make sure that no body parts are in the
ro ller sunblind's range of mo vement. #
If someone is trapped, release the con-
trol panel immediatel y.
or #
Touch the control panel during automatic
operation.
The opening/closing process will be
stopped. *
N NOOTE
TE Malfunction due tosnow and ice Sn
ow and ice may cause the sliding sunroof to
malfunction. #
Open the sliding sunroof only if it is free
of snow and ice. Opening and closing
107
107

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a quali/ed specialist workshop.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
The PRE‑SAFE ®
Impulse Side system is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop. K K
e
ey
y Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Á
Replace key *H
aveth eke yre placed. #
Consult a quali/ed specialist workshop.
Á
Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 86). Display messages and
warning/indicator lamps
429
429

Á
Change key batteries .................... 429
J Check brake 0uid le vel.................. 454
h Check tyre(s) ................................ 480
É Compressor is cooling .................. 470
ÿ Coolant Stop Switch o. the
ve hicle ................................................... 445
! currently una vailable See Own-
er's Manual............................................4 71
÷ currently una vailable See Own-
er's Manual............................................4 72
5 Engine oil le vel cannot be meas-
ured....................................................... 484
5 Engine oil le velRe duce oil le vel..... 483
5 Engine oil le velSt op Switch o.
th eve hicle ............................................. 483
5 Engine oil pressure Stop Switch
o. theve hicle ....................................... .484
ä Fault Drive at max. 80 km/h
...................................................... 466, 468
ä Fault Stop.................................... .468 6
Front leT malfunction Consult
wo rkshop (e xample)...............................4 26
& inoperative Battery low................. 435
& Inoperative Refuel vehicle ............ .435
& inoperative See Owner's Man........ 434
! inoperative See Owner's Manual.. .472
÷ inoperative See Owner's Manual.. .473
T inoperative See Owner's Manual.. .474
G Inoperative................................... 475
¥ Intensive cleaning activated for
30 s....................................................... 443
Á Key being initialised Please wait.... 430
Á Key not de tected (red display
message)...............................................4 30
Á Key not de tected (white display
message)...............................................4 30
: LeT dipped beam (e xample).......... 431
6 LeT windowbag malfunction
Consult workshop (e xample).................. 426 :
Malfunction See Owner's Man-
ual.........................................................4 31
¢ Max. speed 20km/h ..................... 469
ð Maximum speed exceeded ............ 458
ç O................................................. 457
ë O................................................. 455
! Parking brake See Owner's
Manual..................................................4 51
! Parking brake Switch on vehicle
to release.............................................. 454
È passive......................................... 456
Ý Please wait 48 V battery charg-
ing......................................................... 478
Ù Rear axle steering cur rently
malfunctioning ....................................... 438
Ù Rear axle steering Malfunction
St op immediately...................................4 39
Ù Rear axle steering Malfunction
Vi sit workshop ....................................... 439
h Rectify tyre pressure ..................... 481 Index
509 509

!
Release parking brake ...................453
Á Replace key.................................. 429
8 Reser vefuel le vel.......................... 446
6 Restraint system malfunction
Consult workshop ................................. .426
# Start theve hicle tocharge the
12 V battery........................................... 477
Ù Steering malfunction Drive
carefully Visit workshop ........................ .437
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual....... 438
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 438
# Stop vehicle Lea ve vehicle on to
ch arge the 12 V battery ......................... 477
É STOP Vehicle le velto o low............ 469
# Stop vehicle See Owner's Man-
ual......................................................... 476
Û Stop vehicle See Owner's Man-
ual......................................................... 477 ç
suspended .................................... 457
: Switch o. lights............................ 432
: Switch on headlamps .................... 432
á temp orarily una vailable Camera
view restric ted....................................... 465
¸ temp orarily una vailable Sensors
dirty....................................................... 464
+ Top up coolant See Owner ’s
Manual.................................................. 444
¥ Top up washer 0uid...................... .443
d Vehicle is operational Switch o.
ve hicle before exiting............................. 436
É Vehicle rising Please wait.............. 470
h Warning tyre defect....................... 481
h Wheel sensor(s) missing ................ 480
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 462
Ac tive Blind Spot Assist inoperative........ 463
Ac tive bonnet malfunction See Own-
er's Manual............................................ 440 Ac
tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........474
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 475
Ac tive Distance Assist available again ..... 458
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 457
Ac tive Distance Assist inoperative.......... 458
Ac tive Emer gency Stop Assist cur-
re ntly una vailable See Owner's Manual ... 460
Ac tive Emer gency Stop Assist inoper-
ative...................................................... 460
Ac tive Lane Change Assist cur rently
una vailable See Owner's Manual ............ 460
Ac tive Lane Change Assist inoperative... 461
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 463
Ac tive Lane Keeping Assist inoperative... 463 510 510
Index

Bad
weather light................................... 168
City lighting........................................... .168
Cornering light....................................... 167
Fo g light (enhanced).............................. 167
Mo torw ay mode.................................... .167
Overview................................................ 166
To pog raphical compensation.................. 168
Int Int er
erior lighting
ior lighting, Lamp, Lighting, Reading
lamp Adjusting............................................... 172
Ambient lighting.................................... .173
Re ading lamp......................................... 172
Switch-o. delay time.............................. 174
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 115
Priming/deactivating............................. 115
Ionisation
Ionisation Activating/deactivating (MBUX multi-
media system)....................................... 186
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 69
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 71 J
J
Jack
Jack Declaration of conformity......................... 33
Storage location..................................... 406
Jum Jum p-st
p-st ar
art connection
t connection ,St arting assis tance
Gene ral no tes........................................3 84 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .85
Battery..................................................... 86
Deacti vating a function............................ 85
Emer gency key......................................... 86
Energy consum ption................................ 85
Fu nction overview.................................... 84
Ke yring attachment................................. 86
Problem................................................... 88
Unlocking setting..................................... 85
KEYLESS-GO KEYLESS-GO Deactivating a function............................ 85
Locking/unlocking theve hicle................. 90
Problem................................................... 91
Unlocking setting.................................... .85Kic Kic
kdo
kdo wn
wn, Acceleration
Using..................................................... 216
Knee airbag
Knee airbag.................................................... 49 L
L
Language
Language, System settings Notes..................................................... 327
Setting................................................... 327
Light adjus
Light adjustment tment
Low beam (d riving abroad).................... .163
Light switch
Light switch Overview................................................ 163
Lights
Lights Active headlamps................................... 166
Ad aptive Highbeam Assist Plu s............... 170
Au tomatic driving lights......................... .164
Bad weather light................................... 168
City lighting........................................... .168
Combination switc h............................... 165
Cornering light....................................... 167
Driving abroad (low beam light adjust-
ment)..................................................... 163
Fo g light (enhanced).............................. 167
Hazard warning lights............................. 166 Index
517 517