2022 MERCEDES-BENZ S-CLASS SALOON warning

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
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
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

Displa
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

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer steering assistance is malfunctioning. &
W WARNING
ARNING Risk of an accident due toaltered steering characteristics
If th e po wer assistance of the steering fails partially or comple tely,yo u will need touse more forc eto stee r. #
If safe steering is possible, drive on carefull y. #
Visit or consult a quali/ed specialist workshop immediatel y.Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
he steering is malfunctioning. Steering capability is signi/cantly impaired. &
W WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do
not continue driving under any circums tances. #
Consult a quali/ed specialis two rkshop. Ù
Rear axle steering cur-
rently malfunctioning *T
herear axle steering is temp orarily una vailable. The turning circle may become wider. #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle.
If th e display message does not disappear: #
Drive on carefull y. #
Consult a quali/ed specialist workshop. 438 438
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
Ù
Rear axle steering Malfunc-
tion Visit workshop *T
herear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may be til ted when you drive in a straight line. #
Adapt your speed and drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
Ù
Rear axle steering Malfunc-
tion Stop immediately *T
herear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may be til ted considerably when you drive in a straight line.
Depending on the steering wheel's tilted position, the steering wheel will also vibrate and a continuous warning tone
will sound. &
W WARNI NG
ARNI NGRisk of accident if steering capability is impai red
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do
not continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
When stopping, bear the enlar gedve hicle width in mind. Displ
aymessages and warning/indicator lamps
439
439

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Snow chain mode Maxi-
mum speed exceeded *T
he maximum permissible speed for snow chain mode has been exceeded. #
Drive more slo wly.
Active bonnet malfunction
See Owner's Manual *T
he active bonn et(pedest rian pr otection) is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop.
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 363).
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. 440
440
Display message
s andwarning/indicator lamps