MERCEDES-BENZ S CLASS 2017 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Disabled See
Operator' s Manual The front-passenger fron t air bag is deactivated during th e journey,
eve n though : R
an adult
or R
a person of th e correspondin g statur e is on th e front-passenger seat
If additional force s are applie d to th e seat , th e system may interpret
th e occupant's weigh t as lower than it actually is.
G WARNIN G
The front-passenger air bag does no t deploy during an accident.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Switc h th e ignition off .X
Hav e th e occupant get out of th e vehicle.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicator lamp s in th e center
console and th e multifunction display and chec k th e following:
Seat unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simulta-
neousl y for approximately six seconds R
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t up
and remain lit after th e s elf-diagnosis . If th e indicator lamp is on ,
OCS has disabled th e front-passenger fron t air bag ( Y
page 51)R
th e display message s Front Passenger Airbag Enable d
See Operator' s Manual or Front Passenger Airbag Dis ‐
abled See Operator' s Manual mus t no t appear in th e multi-
function display X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F indicator lamp
remain s lit or goe s out depend s on how OCS classifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating correctly.X
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System, see
( Y
page 51).
Front Passenger Air ‐
bag Enable d See
Operator' s Manual The front-passenger fron t air bag is enabled during th e journey, eve n
though : R
a child, a small adult or an objec t weighing less than th e system' s
weigh t threshold is locate d on th e front-passenger seatDisplay messages 23 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
or R
th e front-passenger seat is unoccupied
The system may detec t objects or force s applyin g additional weigh t on
th e seat .
G WARNIN G
The front-passenger fron t air bag may deploy unintentionally.
There is an increased ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Switc h th e ignition off .X
Ope n th e front-passenger door .X
Remove th e child and th e child restrain t system from th e front-
passenger seat .X
Mak e sur e that there are no objects on th e seat addin g to th e
weight.
The system may otherwise detec t th e additional weigh t and inter-
pre t th e seat occupant's weigh t as greate r than it actually is.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicator lamp s in th e center
console and th e multifunction display and chec k th e following:
Seat unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s ligh t up simultaneousl y
for approximately six seco ndsR
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t up
and remain lit after th e self-diagnosis . If th e indicator lamp is on ,
OCS (Occupant Classification System) has disabled th e front-
passenger fron t air bag ( Y
page 51 )R
th e display message s Front Passenger Airbag Enable d
See Operator' s Manual or Front Passenger Airbag Dis ‐
abled See Operator' s Manual mus t no t appear in th e multi-
function display X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F indicator lamp
remain s lit or goe s out depend s on how OCS classifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating correctly.X
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System, see
( Y
page 51).240
Display messages
On-board computer and displays

Lights Display messages
Possible causes/consequences and P Solutions
I Check Left Low Beam
(Example) The bulb in question is malfunctioning. X
Visit a qualified specialist workshop.
or X
Check whether you are permitted to replace the bulb yourself
( Y
page 128).
i LED light sources: the display message for the corresponding
lamp only appears when all the LEDs in the lamp have failed.
I Malfunction See
Operator’s Manual The exterior lighting is malfunctioning. X
Visit a qualified specialist workshop.
I Auto Lamp Function
Inoperative The light sensor is malfunctioning. X
Visit a qualified specialist workshop.
I Switch Off Lights You leave the vehicle and the lights are switched on. A warning tone
also sounds. X
Turn the light switch to position X .
I Switch On Headlamps You are driving with low-beam headlamps switched off. X
Turn the light switch to position X or X .
Adaptive Highbeam
Assist Plus Inoper‐
ative Adaptive Highbeam Assist Plus is faulty. X
Visit a qualified specialist workshop.
Adaptive Highbeam
Assist Plus Cur‐
rently Unavailable
See Operator's Man‐
ual Adaptive Highbeam Assist Plus is deactivated and temporarily inop-
erative.
Possible causes are: R
the windshield in the camera's field of vision is dirty R
visibility is impaired due to heavy rain, snow or fog X
Clean the windshield.
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Plus Available Again message is
displayed.
Adaptive Highbeam Assist Plus is available again. Display messages 241
On-board computer and displays Z

Engine Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
= See Operator' s Man ‐
ual The battery is no t bein g charged.
A warning tone also sounds.
Possibl e causes are: R
a defective alternato rR
a torn poly-V-belt R
a malfunction in th e electronics
! Do no t continu e driving. The engin e could otherwise overheat.X
Pull ove r and stop th e vehicl e safely and switch off th e engine, pay-
ing attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Consult a qualified specialist workshop .
= Sto p Vehicl e See
Operator' s Manual The battery is no longer bein g charged and th e condition of charg e is
to o low.
A warning tone also sounds. X
Pull ove r and stop th e vehicl e safely and switch off th e engine, pay-
ing attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Observ e th e instruction s in th e = See Operator' s Manual
display message .X
Consult a qualified specialist workshop .
= Sto p Vehicl e Leave
Engine Runnin g The battery condition of charg e is to o low.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions. Do no t continu e drivin g
under any circumstances. X
Leav e th e engin e running.X
Wait until th e display message disappear s before pullin g away.
= Start Engine See
Operator' s Manual The engin e is switched off and th e condition of charg e is to o low.X
Switc h off electrical consumer s that you do no t need, suc h as th e
rear window defroste r and interior lighting .X
Leav e th e engin e runnin g for a few minute s or drive a lon g distance.
The battery is bein g charged.Display messages 24 3
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions

Drivin g systemsDisplay messages
Possible causes/consequences an d P Solutions

Display messages
Possible causes/consequences and P Solutions
ABC Malfunction
Sto p Vehicl e The Active Body Control (ABC) vehicl e level is to o low.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.
Afte r a few seconds, th e vehicl e level is adjusted and th e display
message disappears.
The multifunction display continuousl y shows th e display message .
The vehicl e is leaking oil. X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions. Do no t continu e drivin g
under any circumstances. X
Consult a qualified specialist workshop .
The multifunction display continuousl y shows th e display message .
Active Body Control (ABC) is malfunctioning .X
Do no t drive at speeds abov e 50 mph (80 km/h).X
Mak e only slight steering movements. Otherwise , th e fron t fender
or th e tires could be damaged if th e steering movement is to o large.X
Liste n for scraping sounds. X
Visit a qualified specialist workshop .
ABC Vehicl e Rising
Please Wai t Briefl y The vehicl e level is to o low when th e vehicl e is stationary. A warning
tone also sounds. X
Do no t pull away.
The vehicl e level is set when th e display message disappears.
ABC Malfunction The Active Body Control (ABC) function is restricted. The vehicle's
handlin g characteristics may be affected. X
Do no t drive at speeds abov e 50 mph (80 km/h).X
Visit a qualified specialist workshop .
Active Lan e Keepin g
Assist Currently
Unavailable See
Operator' s Manual Active Lan e Keepin g Assis t is deactivated and temporarily inoperative.
Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirtyR
visibilit y is impaire d due to heav y rain , snow or fogR
there hav e been no lan e marking s for an extended periodR
th e lan e marking s are worn, dark or covered, e.g. by dir t or snow
Whe n th e causes state d abov e no longer apply, th e display message
disappears.
Active Lan e Keepin g Assis t is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Clean th e windshield.246
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Active Lan e Keepin g
Assist Inoperative Active Lan e Keepin g Assis t is malfunctioning .X
Visit a qualified specialist workshop .
Active Blind Spo t
Assist Currently
Unavailable See
Operator' s Manual Active Blind Spot Assis t is temporarily inoperative.
Possibl e causes are: R
th e radar sensor system is outside th e operating temperature rangeR
th e radar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti c radiation emitted by nearby TV or radi o station s or
other source s of electromagneti c radiation
Whe n th e causes state d abov e no longer apply, th e display message
disappears.
Active Blind Spot Assis t is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 162).X
Restart th e engine.
Active Blind Spo t
Assist Inoperative Active Blind Spot Assis t is malfunctioning .X
Visit a qualified specialist workshop .
Par k Assist Canceled The driver's door is open .X
Repeat th e parking gap measuremen t and parking process wit h th e
driver's door closed .
You touched th e multifunction steering whee l while steering inter-
vention was active .X
Whil e steering intervention is active , mak e sur e that th e multifunc-
tion steering whee l is no t touched unintentionally.
The vehicl e has started to skid and ES P ®
has intervened.X
Use Active Parking Assis t again later ( Y
page 186).
Par k Assist Inoper ‐
ative PARKTRONI C is malfunctioning or faulty.X
Follow th e instruction s and helpful hints in th e "Problem s wit h
PARKTRONIC" section ( Y
page 186).
If th e multifunction display still shows th e display message :X
Visit a qualified specialist workshop .
Active Parking Assis t is unavailable or faulty.X
Switc h off th e ignition and restar t th e engine.
If Active Parking Assis t continues to be unavailable (the ] symbol is
no t shown in th e multifunction display):X
Visit a qualified specialist workshop .Display messages 24 7
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Par k Assist
Switched Off The vehicl e is parked. A warning tone also sounds.
The display message disappear s automatically.
Night Vie w Assist
Currently Unavaila‐
ble Night View Assis t Plus is deactivated and temporarily inoperative.
Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirtyR
th e camera in th e radiato r trim is dirty.R
visibilit y is impaire d due to heav y rain , snow or fogR
th e outside temperature is to o high .X
Clean th e windshield. X
Clean th e camera in th e radiato r trim.
If th e system has been switched off due to excessive outside tem-
peratures, th e system will switch bac k on automatically once it has
cooled down .
If th e system detects that th e camera is full y operational, th e display
message disappears.
Night View Assis t Plus is operational again .
Night Vie w Assist
Inoperative Night View Assis t Plus is defective.X
Visit a qualified specialist workshop .
Spotlight Inopera‐
tiv e Night View Assis t Plus is deactivated and temporarily inoperative.
Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirtyR
th e camera in th e radiato r trim is dirty.R
visibilit y is impaire d due to heav y rain , snow or fogR
th e outside temperature is to o high .X
Clean th e windshield. X
Clean th e camera in th e radiato r trim.
If th e system has been switched off due to excessive outside tem-
peratures, th e system will switch bac k on automatically once it has
cooled down .
If th e system detects that th e camera is full y operational, th e display
message disappears.
Night View Assis t Plus is operational again .
Night View Assis t Plus is faulty.X
Visit a qualified specialist workshop .248
Display messages
On-board computer and displays