MERCEDES-BENZ CLA COUPE 2019 Owners Manual

Display messages
Possible causes/consequences and M
MSolutions
6 Left windowbag malfunc-
tion Consult work-
shop (Example) *T
he cor responding windowbag is malfunctioning (/ page 35). &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident
wi th high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop immediatel y.
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been deactivated although an adult or a person with an adult stature is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible in accordance with the tra ffic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (/ page 46). #
If necessar y,consult a qualified specialist workshop immediatel y.538
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible in accordance with the tra ffic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (/ page 46). #
If necessar y,consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 539

Display messages
Possible causes/consequences and M
MSolutions
Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
Ve hicles without the Driving Assistance Package: Active Brake Assi stistemp orarily una vailable or only partially
av ailable.
The ambient conditions are outside the sy stem limits (/ page197). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop.
Mercedes me connect
Services limited See Own-
er's Manual *S
ervice limited.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 28). #
Consult a qualified specialist workshop. 540
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. Driving sy
stems Display messages
Possible causes/consequences and M
MSolutions
À ATTENTION ASSIST: Take a
break! *A
TTENTION ASSIST has de tected fatigue or an increasing la ckof concentration on the part of the driver
(/ page 240). #
If necessa ry,ta ke a break.
À
ATTENTION ASSIST inoper-
ative *A
TTENTION ASSIST is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 541

Display messages
Possible causes/consequences and M
MSolutions
Fault Drive at max. 80
km/h *T
he adjus table damping is malfunctioning. The vehicle's handling characteristics may be af fected. #
Do not drive at speeds grea terth an 80 km/h. #
Consult a qualified specialist workshop.
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page213). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
If necessar y,clean the windscreen in the camera's field of vision. #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop.
Ø *A
ctive Steering Assist has reached the sy stem limits(/ page213).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth esteering and drive on in accordance with the traf fic conditions.
Beginning emergency stop *Y
our hands are not on thesteering wheel. Emer gency stop is initiated (/ page217). #
Put your hands back on thesteering wheel.
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R steering 542
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
R braking or accelerating
R pressing a steering wheel button
R operating Touch Control
R deactivating Active Dis tance Assi stDISTRONIC
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emergency stops. #
Take ove rth esteering and stop in accordance with the tra ffic conditions. #
Swit choff the ignition and switch it back on.
Ac tive Steering Assist is available once more.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page249). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page246). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. Display messages and
warning/indicator lamps 543

Display messages
Possible causes/consequences and M
MSolutions
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assi stistemp orarily una vailable.
The sy stem limits ha vebeen reached (/ page246). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assi stis malfunctioning. #
Consult a qualified specialist workshop. 544
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Active Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *A
ctive Parking Assist and Parking Assist PARKTRONIC are malfunctioning. #
Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine. #
Ifth e display message continues tobe displa yed, consult a qualified specialist workshop.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
Traffic Sign Assist inopera-
tive *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop.
K Please check direction of
travel *Y
ou ha veturned the wrong way on toa one-w aystre et. #
Check the direction of tra vel. #
Turn as soon as possible, in accordance with the traf fic conditions. Display messages and
warning/indicator lamps 545

Display messages
Possible causes/consequences and M
MSolutions
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual *S
peed Limit Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
Speed Limit Assist inopera-
tive *S
peed Limit Assist is malfunctioning. #
Consult a qualified specialist workshop.
ç
ê
¸
æ Currently unavailable
Radar sensors dirty *T
heradar sensor sy stem is malfunctioning. Possible causes:
R dirt on the sensors
R heavy rain or snow
R extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle in accordance with the tra ffic conditions. #
Clean all sensors (/ page 458). #
Restart the engine. 546
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
_
ê
à
æ
á Currently unavailable Cam-
era view restricted *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
R mist on the windscreen in front of the camera
% Mist de tected on the windscreen is automatically remo ved using a built-in heater within appr oximately 12
minutes.
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle in accordance with the tra ffic conditions. #
Clean the windscreen if necessar y.
ë Off *T
he HOLD function is deactivated because theve hicle is skidding or a condition for activation is not met. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function (/ page219). Displ
aymessa ges and warning/indicator lamps 547