2022 MERCEDES-BENZ S-CLASS SALOON Owners Manual

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Á
Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 200).
Á Key not detected (red dis-
play message) *T
hekey cann otbe de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you switch o. theve hicle:
R You can no longer start theve hicle.
R You cannot centrally lock theve hicle. #
Ensu rethat theke y is in theve hicle.
If th eke y de tection function has a malfunction due toa st rong radio signal source: #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Place theke y in the slot for starting the engine with theke y (/ page 200).
Á Key being initialised Please
wait *T
hevehicle is processing in order to teach in the new key. #
Wait until processing is comple te.430 430
Display message
s andwarning/indicator lamps

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Solutions
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot for starting the engine with theke y (/ page 200). Lights Lights
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ossible causes/consequences and uences andM
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:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
431 431

Displa
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y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop.
:
Active Light System inoper-
ative *T
he active headlamps are malfunctioning. #
Consult a quali/ed specialist workshop.
:
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
:
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position. 432 432
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
DIGITAL LIGHT Functions
limited *T
he DIGITAL LIGHT system is malfunctioning. The lighting system will continue towo rkeven without the functions of
th e DIGITAL LIGHT system. #
Consult a quali/ed specialist workshop.
MULTIBEAM LED Functions
limited *T
he MULTIBEAM LED system is malfunctioning. The lighting system will continue towo rk, but without the functions of
th e MULTIBEAM LED system. #
Consult a quali/ed specialist workshop.
Check dipped-beam set-
ting (left/right-side traffic) *T
he type of tra1c has been selected manuall y. #
Check the setting and change it manually if necessary (/ page 172).
Dipped-beam setting (left/
right-side traffic) Manual
adjustment only *T
he automatic headlamp con version for leT-hand/ right-han dtra1c has malfunctioned. #
Change the headlamps over manually (/ page 172).
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is tempo rarilyuna vailable.
The system limits ha vebeen reached (/ page 170).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist Plus available again displaymessage will appear. #
Drive on #
Operate the high beam manually until Adaptive High Beam Assist Plus is available again. Displ
aymessages and warning/indicator lamps
433 433

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. #
Until then, operate the high beam manuall y.
Hazard warning lamp sys-
tem Malfunction *T
he hazard warning lamp switch is malfunctioning. #
Consult a quali/ed specialist workshop. Climat Climat
e contr
e contr ol
ol Displa
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ossible causes/conseq uences and
uences andM
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Solutions
&
inoperative See Owner's
Man. *T
he stationary heater is temp orarily malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine has cooled down, make up tofour attem ptsto
switch on the stationary heater, waiting se veral minutes between each attem pt. #
Ifth e stationary heater does not switch on, consult a quali/ed specialist workshop.
% The stationary heater cann otbe activated if the outside temp erature is abo ve15°C. 434 434
Display message
s andwarning/indicator lamps

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Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
&
inoperative Battery low *T
he on-board elect rical system voltage is too lo w.
The stationary heater has switched itself o.. #
Drive an extended distance until the battery has reached a su1cient charge leve l again.
&
Inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heate r cannot be switched on. #
Refuel theve hicle. V
V
ehicle
ehicle Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions *T
he driver's displ ayis inoperative due toafa iled soTware update.
The display message will be shownevery time the engine is star ted. &
W
WARNING
ARNING Risk of accident if the driver display fails
If th e driver display has failed or is malfunctioning, function restrictions in systems releva nt tosaf ety cann otbe
de tected.
The operating saf ety of your vehicle may be impaired. Displ
aymessages and warning/indicator lamps
435
435

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive on carefull y. #
Have theve hicle checked immediately at a quali/ed specialist workshop. If
th e operating saf ety of your vehicle is impaired, park theve hicle immediately and safel y.Contact a quali/ed special-
ist workshop.
If th e driver's display fails, you may not recognise function restrictions a.ec ting systems releva nt tosaf ety or the
speed displa y,forex ample. The operating saf ety of theve hicle may be impaired (/ page 323). #
Have theve hicle checkedby aqu ali/ed specialist workshop immediatel y.
d
Vehicle is operational
Switch off vehicle before
exiting *Y
ou are leaving theve hicle in a ready-to-drive state. #
Get out of theve hicle, secure it against rolling away and take theke y with you. #
Ifyo u do not lea vetheve hicle, switch o. the electrical consumers, e.g. the seat heating. Otherwise, the 12‑V bat-
te ry may dischar geand starting the engine may be possible only with the help of a second battery (jump start).
Head-up display currently
unavailable See Owner's
Manual *T
he head-up displ ayistemp orarily una vailable. Possible causes:
R malfunctions in the po wer supply
R signal inter fere nce #
Stop in accordance with the tra1c conditions and switch theve hicle o. and on again. #
Ifth e display message still appears, consult a quali/ed specialist workshop. 436 436
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Head-up display inoperative *The head-up displ ayhas an internal er ror. #
Consult a quali/ed specialist workshop.
Head-up display Brightness
currently reduced See Own-
er's Manual *T
he brightness of the head-up display is reduced. Possible causes:
R Dirt on the windscreen in the camera's /eld of vision
R Faulty exterior brightness signals #
Switch on the windscreen wipers. #
Clean the windscreen if necessar y. #
Switch theve hicle o. and switch it back on #
Ifth e display message still appears, consult a quali/ed specialist workshop.
Ù
Steering malfunction Drive
carefully Visit workshop *A
powe r steering malfunction has occur red. Steering characteristics may be impaired as a result. #
Drive on carefull y. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
437 437