2016 MERCEDES-BENZ GLC COUPE display

Display messages
Possible causes/consequences and
M
MSolutions 6
Rear left malfunc‐ Rear left malfunc‐
tion Consult work‐ tion Consult work‐
shop shop
orRear right
Rear right
malfunction
malfunction Consult
Consult
workshop
workshop The rear left or right restraint system is malfunctioning. The
6
warning lamp also lights up on the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury!
X Consult a qualified specialist workshop immediately. 6
Rear Rear
centre
centre malfunc‐
malfunc‐
tion Consult work‐
tion Consult work‐
shop shop The rear centre restraint system is malfunctioning. The
6warning
lamp also lights up on the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury!
X Consult a qualified specialist workshop immediately. 6
Left windowbag mal‐ Left windowbag mal‐
function Consult function Consult
workshop workshop
orRight
Right
windowbag malfunc‐
windowbag malfunc‐
tion Consult work‐ tion Consult work‐
shop shop The left-hand or right-hand windowbag is malfunctioning.
The
6 warning lamp also lights up on the instrument cluster.
G WARNING
The left-hand or right-hand windowbag may either be triggered unin-
tentionally or, in the event of an accident, not triggered at all.
This poses an increased risk of injury!
X Consult a qualified specialist workshop immediately. 258
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Front-passenger
Front-passenger
airbag airbag
disabled
disabled See
See
Owner's Manual
Owner's Manual The front-passenger front airbag is disabled during the journey
although:
R An adult
or
R A person of the corresponding stature is on the front-passenger
seat
If additional forces are applied to the seat, the weight the system
detects may be too low.
G WARNING
The front-passenger front airbag does not deploy during an accident.
This poses an increased risk of injury!
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Switch the ignition off.
X Have the front passenger step out of the vehicle.
X Make sure that the seat is unoccupied, close the front-passenger
door and switch on the ignition.
X Observe the PASSENGER AIR BAG indicator lamps on the centre
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R A self-diagnosis is carried out. The PASSENGER AIR BAG OFF and
PASSENGER AIR BAG ON indicator lamps must light up simulta-
neously for approximately six seconds
R The PASSENGER AIR BAG OFF indicator lamp must then light up
and remain lit after the self-diagnosis. If the indicator lamp is on,
the automatic front-passenger front airbag deactivation system
has disabled the front-passenger front airbag (Y page 49)
R The Front-passenger airbag enabled See Owner's Man‐
Front-passenger airbag enabled See Owner's Man‐
ual ual orFront-passenger airbag disabled See Owner's
Front-passenger airbag disabled See Owner's
Manual
Manual display messages must not appear on the multifunction
display
X Wait for a period of at least 60 seconds until the necessary system
checks have been completed.
X Make sure that the display messages do not appear on the multi-
function display.
If these conditions are met, the front-passenger seat can be occupied again. Whether the PASSENGER AIR BAG OFF indicator lamp remains lit or goes out depends on how the automatic front-passenger front
airbag deactivation system classifies the occupant.
If the conditions are not met, the system is not operating correctly.
X Consult a qualified specialist workshop immediately.
Further information on the automatic front-passenger front airbag
deactivation system (Y page 49). Display
messages
259On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions Front-passenger
Front-passenger
airbag enabled See airbag enabled See
Owner's Manual Owner's Manual The front-passenger front airbag is enabled during the journey
although:
R A child, a small adult or an object weighing less than the system
weight threshold is located on the front-passenger seat
or
R The front-passenger seat is not occupied
The system may detect objects or forces that are placing additional
weight on the seat.
G WARNING
The airbag may deploy unintentionally.
This poses an increased risk of injury!
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 167).
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and child seat from the front-passenger seat.
X Make sure that no objects are present that are applying additional
weight to the seat.
The system might otherwise detect the additional weight and inter- pret the seat occupant's weight as greater than it actually is.
X Make sure that the seat is unoccupied, close the front-passenger
door and switch on the ignition.
X Observe the PASSENGER AIR BAG indicator lamps on the centre
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R A self-diagnosis is carried out. The PASSENGER AIR BAG OFF and
PASSENGER AIR BAG ON indicator lamps must light up simulta-
neously for approximately six seconds
R The PASSENGER AIR BAG OFF indicator lamp must then light up
and remain lit after the self-diagnosis. If the indicator lamp is on,
the automatic front-passenger front airbag deactivation system
has disabled the front-passenger front airbag (Y page 49)
R The Front-passenger airbag enabled See Owner's Man‐
Front-passenger airbag enabled See Owner's Man‐
ual ual orFront-passenger airbag disabled See Owner's
Front-passenger airbag disabled See Owner's
Manual
Manual display messages must not appear on the multifunction
display
X Wait for a period of at least 60 seconds until the necessary system
checks have been completed.
X Make sure that the display messages do not appear on the multi-
function display.
If these conditions are met, the front-passenger seat can be occupied again. Whether the PASSENGER AIR BAG OFF indicator lamp remains lit or goes out depends on how the automatic front-passenger front
airbag deactivation system classifies the occupant.
If the conditions are not met, the system is not operating correctly. 260
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions X
Consult a qualified specialist workshop immediately.
Further information on the automatic front-passenger front airbag
deactivation system (Y page 49).Lights
Display messages
Possible causes/consequences and
M
MSolutions b
Left dipped beam Left dipped beam
(Example) The bulb in question is faulty.
X Consult a qualified specialist workshop.
or X Check whether you are permitted to replace the bulb yourself
(Y page 122).
i LED light bulbs: the display message for the corresponding lamp
only appears when all the LEDs in the lamp have failed. b
Active Active
Light
LightSystem
System
inoperative
inoperative The active light function is malfunctioning.
X Consult a qualified specialist workshop. b
Intell. Light Sys‐ Intell. Light Sys‐
tem inoperative tem inoperative The Intelligent Light System is malfunctioning. The lighting system
continues to function properly without the functions of the Intelligent
Light System.
X Consult a qualified specialist workshop. b
Malfunction Malfunction
See
SeeOwn‐
Own‐
er's Manual
er's Manual The exterior lighting is faulty.
X Consult a qualified specialist workshop. Vehicles with trailer tow hitch: a fuse may have blown.
X Stop the vehicle, paying attention to road and traffic conditions.
X Secure the vehicle against rolling (Y page 167).
X Check the fuses (Y page 354).
X If necessary, replace the blown fuse. Observe the warning notes as
you do so.
If the display message remains on show:
X Consult a qualified specialist workshop. b
AUTO lights inoper‐ AUTO lights inoper‐
ative ative The light sensor is malfunctioning.
X Consult a qualified specialist workshop. b
Switch off lights Switch off lights You are leaving the vehicle and the lights are switched on. A warning
tone also sounds.
X Turn the light switch to the Ãposition. Display
messages
261On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions b
Switch on headlamps Switch on headlamps You are driving without dipped-beam headlamps.
X
Turn the light switch to the Lorà position. Adaptive Main-beam Adaptive Main-beam
Assist currently Assist currently
unavailable unavailable
See
SeeOwn‐
Own‐
er's Manual
er's Manual Adaptive Highbeam Assist is deactivated and temporarily inoperative.
Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational again, the Adaptive Main-beam Assist available again
Adaptive Main-beam Assist available again message is dis-
played.
Adaptive Highbeam Assist is operational again. Adaptive Main-beam Adaptive Main-beam
Assist inoperative Assist inoperative Adaptive Highbeam Assist is faulty.
X
Consult a qualified specialist workshop. Adaptive Highbeam Adaptive Highbeam
Assist Plus cur‐ Assist Plus cur‐
rently unavailable rently unavailable
See Owner's Manual See Owner's Manual Adaptive Highbeam Assist Plus is deactivated and temporarily inop-
erative. Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Plus available again
Adaptive Highbeam Assist Plus available again message is
displayed.
Adaptive Highbeam Assist Plus is operational again. Adaptive Highbeam Adaptive Highbeam
Assist Plus inoper‐ Assist Plus inoper‐
ative ative Adaptive Highbeam Assist Plus is faulty.
X Consult a qualified specialist workshop. 262
Display
messagesOn-board computer and displays

Engine
Display messages
Possible causes/consequences and
M
MSolutions +
Top up coolant See Top up coolant See
Owner’s Manual Owner’s Manual The coolant level is too low.
! Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes when doing so
(Y page 329).
If you have to top up the coolant frequently: X Contact a qualified specialist workshop and have the engine cooling
system checked. ? The fan motor is faulty.
X If the coolant temperature is below 120 †, drive on to the nearest
qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. ?
Coolant Stop vehi‐ Coolant Stop vehi‐
cle Switch engine cle Switch engine
off off The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine has
overheated can cause any fluids that may have leaked into the engine compartment to catch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is a risk of injury!
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 167).
X Wait until the engine has cooled down.
X Make sure that the air supply to the engine radiator is not blocked,
e.g. by frozen slush.
X Do not start the engine again until the display message goes out and
the coolant temperature is below 120 †. The engine may otherwisebe damaged.
X Pay attention to the coolant temperature gauge.
If the temperature increases again:
X Consult a qualified specialist workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. Display messages
263On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions #
See Owner's Manual See Owner's Manual The battery is no longer being charged.
A warning tone also sounds.
Possible causes:
R faulty alternator
R torn poly-V-belt
R a malfunction in the electronics
! Do not continue driving. The engine could otherwise overheat.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 167).
X Consult a qualified specialist workshop. #
Stop vehicle See Stop vehicle See
Owner's Manual Owner's Manual The battery is no longer being charged and the charge status is too
low.
A warning tone also sounds.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 167).
X Observe the instructions in the display #See
See Owner's Owner's Manual
Manual
message.
X Consult a qualified specialist workshop. #
Stop vehicle Leave Stop vehicle Leave
engine running engine running The battery charge status is too low.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving.
X Leave the engine running.
X Wait until the display message disappears before pulling away. #
Start engine See Start engine See
Owner's Manual Owner's Manual The engine is off and the charge status is too low.
X Switch off any electrical consumers that you do not need, such as
the rear window heating and interior lighting.
X Leave the engine running for a few minutes, or drive for an extended
period.
The battery charges. 264
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions 4
Check Check
eng.
eng.oil
oillev.
lev.
when
when next
nextrefuelling
refuelling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
! Avoid long journeys when there is too little coolant in the cooling
system. Otherwise the engine will be damaged.
X Check the engine oil level when next refuelling, at the latest
(Y page 327).
X If necessary, top up the engine oil (Y page 328).
If you have to top up the engine oil frequently:
X Contact a qualified specialist workshop and have the engine
checked.
Information on approved engine oils can be obtained from a qualified specialist workshop or on the internet at http://bevo.mercedes-
benz.com. 8
Reserve fuel level Reserve fuel level The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level drops
into the reserve range.
X Refuel at the nearest filling station. C There is very little fuel in the fuel tank.
Operation of the auxiliary heating is deactivated.
X You must refuel at the nearest filling station. ¸
Replace air cleaner Replace air cleaner Vehicles with a diesel engine:
The engine air filter is dirty and must be replaced.
X Consult a qualified specialist workshop. !
Clean the fuel fil‐ Clean the fuel fil‐
ter ter Vehicles with a diesel engine:
There is water in the fuel filter. The water must be drained off.
X Consult a qualified specialist workshop. Refill AdBlue See Refill AdBlue See
Owner’s Manual Owner’s Manual
The AdBlue
®
level has fallen below the reserve range. A warning tone
also sounds.
X Refill AdBlue ®
as soon as possible (Y page 164).Refill AdBlue No Refill AdBlue No
start in ... mi start in ... mi
The AdBlue
®
level is sufficient only for the indicated distance. A warn-
ing tone also sounds.
X Refill AdBlue ®
immediately (Y page 164).
i If you drive the vehicle at speeds greater than 15 km/h, the
Refill
Refill AdBlue
AdBlueNo
Nostart
start in
in...
... mi
mimessage disappears after
approximately one minute. Display
messages
265On-board computer and displays Z