2016 MERCEDES-BENZ CLA display

Display messages
Possible causes/consequences and P Solutions
Front Passenger
Airbag Disabled
See Operator' s Man ‐
ual The front-passenger air bag and front-passenger knee bag are
deactivated during th e journey, although:R
an adult
or R
a person of th e correspondin g stature is on th e front-passenger
seat
If additional forces are applied to th e seat , th e system may inter-
pre t th e occupant's weight as lowe r than it actually is.
G WARNIN G
The front-passenger fron t air bag and fron t passenger knee bag
may no t be triggered in th e event of an accident.
There is an increase d 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 169).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 doo r and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicato r 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-diagnosi s is carrie d out . The PASSENGER AI R BA G OF F
and PASSENGER AI R BA G ON indicato r lamp s mus t ligh t up
simultaneousl y fo r approximately six s econdsR
th e PASSENGER AI R BA G OF F indicato r lamp mus t then ligh t
up and remain lit after th e self-diagnosis. If th e indicato r lamp
is on , OCS (Occupant Classification System) has disabled th e
front-passenger fron t air bag and front-passenger knee bag
( Y
page 51) R
th e Front Passenger Air Bag Enable d See Opera‐
tor's Manual or Front Passenger Air Bag Disabled
See Operator' s Manual display message s mus t no t be
shown in th e multifunction displayX
Wait fo r a period of at leas t 60 seconds until th e necessar y sys-
te m checks hav e been completed.X
Mak e sur e that th e display message s do no t appea r in th e mul-
tifunction display.
If these condition s are fulfilled , th e front-passenger seat can be
occupied again . Whether th e PASSENGER AI R BA G OF F or ONDisplay messages 23 7
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
indicato r lamp remain s lit or goe s out depend s on how OCS clas-
sifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating cor-
rectly. X
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System,
see ( Y
page 51) .
Front Passenger
Airbag Enable d See
Operator' s Manual The front-passenger air bag and front-passenger knee bag are
enabled during th e journey, eve n though :R
a child, a small adult or an objec t weighin g less than th e sys-
tem' s weight threshold is locate d on th e front-passenger seat
or R
th e front-passenger seat is unoccupied
The system may detec t objects or forces applying additional
weight on th e seat .
G WARNIN G
The front-passenger fron t air bag and front-passenger knee bag
may be triggered unintentionally.
There is an increase d 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 169).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 weight and
interpret th e seat occupant's weight as greate r than it actually
is. X
Kee p th e seat unoccupied , close th e front-passenger doo r and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicato r lamp s in th e ce nter
console and th e multifunction display and chec k th e following :238
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Seat unoccupied and ignition switched on :R
a self-diagnosi s is carrie d out . The PASSENGER AI R BA G OF F
and PASSENGER AI R BA G ON indicato r lamp s mus t ligh t up
simultaneousl y fo r approximately six secondsR
th e PASSENGER AI R BA G OF F indicato r lamp mus t then ligh t
up and remain lit after th e self-diagnosis. If th e indicato r lamp
is on , OCS has deactivated th e front-passenger fron t air bag
and front-passenger knee bag ( Y
page 51 )R
th e Front Passenger Air Bag Enable d See Opera‐
tor's Manual or Front Passenger Air Bag Disabled
See Operator' s Manual display message s mus t no t be
shown in th e multifunction displayX
Wait fo r a period of at leas t 60 seconds until th e necessar y sys-
te m checks hav e been completed.X
Mak e sur e that th e display message s do no t appea r in th e mul-
tifunction display.
If these condition s are fulfilled , th e front-passenger seat can be
occupied again . Whether th e PASSENGER AI R BA G OF F or ON
indicato r lamp remain s lit or goe s out depend s on how OCS clas-
sifies th e occupant .
If th e condition s are no t fulfilled , th e system is no t operating cor-
rectly. X
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System,
see ( Y
page 51).
Lights
i Vehicles wit h LE D bulbs in th e ligh t clusters :
The display message fo r th e correspondin g lamp only appears when all of th e LEDs in th e
lamp hav e failed. Display messages 23 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
I Check Lef t Corner ‐
ing Light or Check
Right Cornering
Light The lef t or right-hand cornering ligh t is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Lef t Low
Bea m or Check
Right Low Bea m The lef t or right-hand low-beam headlamp is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Rea r Lef t
Tur n Signal or
Check Rea r Right
Tur n Signal The rear left-han d or rear right-hand tur n signal is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Front Lef t
Tur n Signal or
Check Front Right
Tur n Signal The fron t left-han d or fron t right-hand tur n signal is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Lef t Mirror
Tur n Signal or
Check
Right Mirror
Tur n Signal The tur n signal in th e left-han d or right-hand exterio r mirror is
defective. X
Visit a qualified specialist workshop .
I Check Center Brake
Lam p The high-mounte d brak e lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Brake
Lam p or Check
Right Brake Lam p The lef t or right-hand brak e lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .240
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
I Check Lef t Tai l
and Brake Lamps or
Check Right Tai l
and Brake Lamps The lef t or right-hand tai l lamp/brak e lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Lef t Hig h
Bea m or Check
Right Hig h Bea m The lef t or right-hand high beam is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Licens e Plate Lam p The lef t or right-hand license plat e lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Fog
Lam p or Check Right
Fog Lam p The lef t or right-hand fo g lamp is faulty.X
Visit a qualified specialist workshop .
I Rea r fog lam p The rear fo g lamp is faulty. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Front Lef t
Parkin g Lam p or
Check Front Right
Parkin g Lam p The fron t lef t or fron t right parkin g or standin g lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Backup Light The backup lamp is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .Display messages 24 1
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
I Check Lef t Tai l
Lam p or Check
Right Tai l Lam p The lef t or right-hand tai l lamp is defective.X
Visit a qualified specialist workshop .
I Check Front Lef t
Sidemarke r Lam p or
Check Front Right
Sidemarke r Lam p The fron t left-han d or fron t right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Rea r Lef t
Sidemarke r Lam p or
Check Rea r Right
Sidemarke r Lam p The rear left-han d or rear right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Daytim e
Runnin g Light or
Check Right Day ‐
tim e Runnin g Light The lef t or right-hand daytime running lamp is faulty. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Active Headlamps
Inoperative The active ligh t function is faulty.X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is defective. X
Visit a qualified specialist workshop .
I Aut o Lam p Function
Inoperative The ligh t sensor is defective. X
Visit a qualified specialist workshop .
I Switch Off Lights The lights are still switched on when you leav e th e vehicle. A
warnin g tone also sounds. X
Tur n th e ligh t switch to th e X position .
I Switch On Headlamps You are drivin g wit h low-beam headlamp s switched off.X
Tur n th e ligh t switch to th e X or X position .242
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' s Manual Adaptive Highbeam Assis t is deactivated and temporarily inoper -
ative.
Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirty.R
visibility is impaire d due to heav y rain , snow or fog.X
Clean th e windshield.
If th e system detects that th e camera is full y operational again , th e
Adaptive
Highbeam Assist Now Available message appears .
Adaptive Highbeam Assis t is operational again .
Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assis t is faulty.X
Visit a qualified specialist workshop .
Engin e
Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions