2016 MERCEDES-BENZ CLA wheel

Display messages
Possible causes/consequences and P Solutions
Please Correc t
Tir e Pressure US A only:
The tire pressur e is to o low in at leas t on e of th e tires , or th e tire
pressur e difference between th e wheels is to o great.X
Chec k th e tire pressures at th e next opportunity ( Y
page 336).X
If necessary, correc t th e tire pressure.X
Restart th e tire pressur e monitor ( Y
page 338).
Check Tires US A only:
The tire pressur e in on e or mor e tires has dropped significantly.
The whee l position appears in th e multifunction display.
A warnin g tone also sounds.
G WARNIN G
Tir e pressures that are to o low pos e th e following hazards :R
they may burst, especially as th e load and vehicl e speed
increase . R
they may wear excessivel y and/o r unevenly, whic h may greatl y
impair tire traction .R
th e drivin g characteristics , as well as steerin g and braking, may
be greatl y impaired.
There is a ris k of an accident. X
Stop th e vehicl e without makin g any sudden steerin g or brakin g
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 169).X
Chec k th e tires and , if necessary, follow th e instruction s fo r a
flat tire ( Y
page 310). X
Chec k th e tire pressur e ( Y
page 336).X
If necessary, correc t th e tire pressure.Display messages 25 1
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Warnin g Tir e Mal ‐
function US A only:
The tire pressur e in on e or mor e tires has dropped suddenly. The
whee l position appears in th e multifunction display.
G WARNIN G
Drivin g wit h a flat tire poses a ris k of th e following hazards :R
a flat tire affects th e abilit y to steer or brak e th e vehicle.R
you could los e control of th e vehicle.R
continued drivin g wit h a flat tire will caus e excessive heat build-
up and possibl y a fire.
There is a ris k of an accident. X
Stop th e vehicl e without makin g any sudden steerin g or brakin g
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 169).X
Chec k th e tires and , if necessary, follow th e instruction s fo r a
flat tire ( Y
page 310).
Tir e Press. Moni‐
tor Currently
Unavailable US A only:
Becaus e there is interferenc e from a stron g source of radi o waves,
no signal s from th e tire pressur e sensor s are detected. The tire
pressur e monitor is temporarily malfunctioning. X
Drive on .
The tire pressur e monitor restarts automatically as soo n as th e
problem has been resolved.
TirePress . Sen ‐
sor(s) Missin g US A only:
There is no signal from th e tire pressur e sensor of on e or several
wheels. The pressur e of th e affecte d tire does no t appea r in th e
multifunction display. X
Hav e th e fault y tire pressur e sensor replaced at a qualified spe -
cialist workshop .
Tir e Pressure Mon ‐
ito r Inoperative
No Wheel Sensor s US A only:
The wheels mounted do no t hav e a suitable tire pressur e sensor .
The tire pressur e monitor is deactivated.X
Moun t wheels wit h suitable tire pressur e sensors.
The tire pressur e monitor is activated automatically after drivin g
fo r a few minutes.
Tir e Press. Moni‐
tor Inoperative US A only:
The tire pressur e monitor is faulty.X
Visit a qualified specialist workshop .252
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Auxiliary Batter y
Malfunction The auxiliar y battery fo r th e automati c transmissio n is no longer
bein g charged. X
Visit a qualified specialist workshop .X
Unti l then , set th e transmissio n to position P before you switch
of f th e engine. X
Before leavin g th e vehicle, apply th e electric parkin g brake.
Trans. Oil Overhea‐
ted Drive on wit h
Car e Mercedes-AMG vehicles: th e transmissio n oil has overheated.
Manual drive progra m M and th e temporarily active manual drive
progra m are no longer available. The engin e powe r output is
reduced. X
Allow th e vehicl e to cool down .
4matic Currently
Unavailable 4MATIC has overheated. The vehicl e is only driven by th e fron t
wheels. X
Drive on .
The airflow cools 4MATIC mor e quickly.
Whe n th e display message goe s out , 4MATIC is available again
and th e vehicl e is driven by all four wheels.
4matic Inoperative 4MATIC is malfunctioning. The vehicl e is only driven by th e fron t
wheels. X
Visit a qualified specialist workshop .

Problem
Possible causes/consequences and P Solutions
%
The yellow ABS warning
lamp is lit while the
engine is running. ABS (Anti-lock Braking System) is deactivated due to a malfunc-
tion. Therefore, BAS (Brake Assist), COLLISION PREVENTION
ASSIST PLUS, ESP ®
(Electronic Stability Program), the HOLD func-
tion and hill start assist are also deactivated, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident. X
Observe the additional display messages in the multifunction
display. X
Drive on carefully. X
Visit a qualified specialist workshop immediately.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic trans-
mission, will not be available.Warning and indicator lamps in the instrument cluster 261
On-board computer and displays Z

Problem
Possible causes/consequences and P Solutions
%
The yellow ABS warning
lamp is lit while the
engine is running. ABS is temporarily unavailable. Therefore, BAS, COLLISION PRE-
VENTION ASSIST PLUS, ESP ®
, EBD (electronic brake force distri-
bution), the HOLD function and hill start assist are also deactiva-
ted, for example.
Possible causes are: R
Self-diagnosis is not yet complete. R
The on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is a risk of an accident. X
Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on: X
Observe the additional display messages in the multifunction
display. X
Drive on carefully. X
Visit a qualified specialist workshop immediately.262
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Problem
Possible causes/consequences and P Solutions
%
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is malfunctioning. Therefore, ABS, BAS, COLLISION PREVEN-
TION ASSIST PLUS, ESP ®
, the HOLD function and hill start assist
for example, are also not available.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident. X
Observe the additional display messages in the multifunction
display. X
Drive on carefully. X
Visit a qualified specialist workshop immediately.
' (USA only)
M (Canada only)
%

X
To initiate an emergency call manually:
press cover C briefly to open.X
Press SOS button D briefly.
The indicator lamp in SOS button D
flashes until the emergency call is conclu-
ded. X
Wait for a voice connection to the
Mercedes-Benz Customer Assistance Cen-
ter. X
After the emergency call, close cover C .
If the mobile phone network is unavailable,
mbrace will not be able to make the emer-
gency call. If you leave the vehicle immedi-
ately after pressing the SOS button, you will
not know whether mbrace placed the emer-
gency call. In this case, always summon assis-
tance by other means.
Roadside Assistance button
X
To call Roadside Assistance: press Road-
side Assistance button C .
This initiates a call to the Mercedes-Benz
Customer Assistance Center.
The indicator lamp in Roadside Assistance
button C flashes while the call is active.
The Connecting Call message appears in
the multifunction display. The audio output
is muted.
If a connection can be made, the Call Con‐
nected message appears in the multifunction
display. If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example: R
current location of the vehicle R
vehicle identification number
The COMAND/Audio 20 display indicates
that a call is active. During the call, you can
change to the navigation menu by pressing
the NAVI button in COMAND/Audio 20, for
example.
Voice output is not available in this case.
A voice connection is established between
the Mercedes-Benz Customer Assistance
Center and the vehicle occupants.
From the remote malfunction diagnosis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
( Y
page 288).
The Mercedes-Benz Customer Assistance
Center either sends a qualified Mercedes-
Benz technician or makes arrangements for
your vehicle to be transported to the nearest
authorized Mercedes-Benz Center.
You may be charged for services such as
repair work and/or towing.
You can find more information in the separate
mbrace manual.
The system has not been able to initiate a
Roadside Assistance call, if: R
the indicator lamp for Roadside Assistance
call button R is flashing continuously. R
no voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed message appears in the
multifunction display. X
To end a call: press the v button on the
multifunction steering wheel.
or X
Press the corresponding COMAND/Audio
20 button for ending a phone call.284
Features
Sto wag e an d features

Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
Windshield washer concentrate could ignite if
it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
X
To open: pull cap C upwards by the tab.X
Add the premixed washer fluid. X
To close: press cap C onto the filler neck
until it engages.
If the washer fluid level drops below the rec-
ommended minimum of 1 liter, a message
appears in the multifunction display prompt-
ing you to add washer fluid ( Y
page 256).
Further information on windshield washer
fluid/antifreeze ( Y
page 370).
ASSYST PLUS
Service message
The ASSYST PLUS service interval display
informs you of the next service due date.
You can find information on the type of ser-
vice and service intervals in the Maintenance
Booklet. You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (USA only).
i The ASSYST PLUS service interval display
does not show any information on the
engine oil level. Observe the notes on the
engine oil level ( Y
page 297).
The multifunction display shows a service
message for several seconds, e.g.: R
Service A in .. Days R
Service A Due R
Service A Exceeded by .. Days
Depending on the operating conditions of the
vehicle, the remaining time or distance until
the next service due date is displayed.
The letter A or B , possibly in connection with a
number or another letter, indicates the type
of service. A
stands for a minor service and B
for a major service.
You can obtain further information from an
authorized Mercedes-Benz Center.
The ASSYST PLUS service interval display
does not take into account any periods of
time during which the battery is disconnec-
ted.
Maintaining the time-dependent service
schedule: X
Note down the service due date displayed
in the multifunction display before discon-
necting the battery.
or X
After reconnecting the battery, subtract
the battery disconnection periods from the
service date shown on the display.
Hiding a service message X
Press the v or 8 button on the steer-
ing wheel.300
ASSYST PLUS
Maintenance and care