engine MERCEDES-BENZ GLC SUV 2015 Owners Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2015, Model line: GLC SUV, Model: MERCEDES-BENZ GLC SUV 2015Pages: 497, PDF Size: 15.27 MB
Page 346 of 497
Display messages
Possible causes/consequences and
M
MSolutions G
Inoperative Inoperative One or more main features of the Mercedes-Benz Contact system
are malfunctioning.
X Consult a qualified specialist workshop. Collision Preven‐
Collision Preven‐
tion Assist Plus tion Assist Plus
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation
R the system is outside the operating temperature range
R the on-board voltage is too low
Once the causes listed above no longer apply, the display message goes out.
COLLISION PREVENTION ASSIST PLUS is operational again.
If the display message does not disappear:
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 219).
X Restart the engine. Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
inoperative inoperative COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
X Consult a qualified specialist workshop immediately. PRE-SAFE inopera‐
PRE-SAFE inopera‐
tive See Owner's tive See Owner's
Manual Manual
Important PRE-SAFE
®
functions have failed. All other occupant
safety systems, e.g. airbags, remain available.
X Consult a qualified specialist workshop immediately. Display
messages
343On-board computer and displays Z
Page 347 of 497
Display messages
Possible causes/consequences and
M
MSolutions PRE-SAFE
PRE-SAFE
Functions
Functions
currently limited
currently limited
See Owner's Manual See Owner's Manual PRE
‑SAFE ®
PLUS or PRE ‑SAFE®
Brake is temporarily inoperative.
Possible causes:
R the function is impaired due to heavy rain or snow
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation
R the system is outside the operating temperature range
R the on-board voltage is too low
Once the causes listed above no longer apply, the display message
goes out.
PRE ‑SAFE ®
PLUS and PRE ‑SAFE®
Brake are operational again.
If the display message does not disappear:
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 219).
X Restart the engine. PRE-SAFE PRE-SAFE
Functions
Functions
limited See Own‐
limited See Own‐
er's Manual er's Manual PRE
‑SAFE ®
PLUS or PRE‑ SAFE®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X Consult a qualified specialist workshop immediately. 344
Display
messagesOn-board computer and displays
Page 348 of 497
Display messages
Possible causes/consequences and
M
MSolutions Radar sensors
Radar sensors
dirty See Owner's dirty See Owner's
Manual Manual At least one of the following driving systems or driving safety sys-
tems is temporarily restricted or inoperative:
R PRE-SAFE ®
PLUS
R PRE-SAFE ®
Brake
R COLLISION PREVENTION ASSIST PLUS
R Active Lane Keeping Assist
R Active Blind Spot Assist
R DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
If the radar sensor system in front is dirty, Active Blind Spot Assist
will not perform a course-correcting brake application.
Possible causes:
R the sensors in the radiator trim and/or in the bumpers are dirty
R the function of the driving system or driving safety system is
impaired due to heavy rain or snow
A warning tone also sounds.
Once the causes listed above no longer apply, the display message goes out. All driving systems or driving safety systems are opera-
tive again.
If the display message does not disappear:
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 219).
X Switch off the engine.
X Clean the sensors (Y page 425) in the following locations:
R in the radiator trim
R in the front bumper
R in the rear bumper, particularly in the middle of the rear
bumper
X Restart the engine.
The display message disappears. Display
messages
345On-board computer and displays Z
Page 356 of 497
Display messages
Possible causes/consequences and
M
MSolutions b
Switch off lights Switch off lights You leave the vehicle and the lights are switched on. A warning
tone also sounds.
X Turn the light switch to the Ãposition. b
Switch Switch
on
onheadlamps
headlamps You are driving without dipped-beam headlamps.
X
Turn the light switch to the Lorà position. Adaptive Highbeam Adaptive Highbeam
Assist Assist
Plus
Plusinoper‐
inoper‐
ative
ative Adaptive Highbeam Assist Plus is faulty.
X Consult a qualified specialist workshop. Adaptive Highbeam
Adaptive Highbeam
Assist Plus cur‐ Assist Plus cur‐
rently rently
unavailable
unavailable
See Owner's Manual
See Owner's Manual Adaptive Highbeam Assist Plus 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, the
Adaptive Highbeam Assist Plus available again
Adaptive Highbeam Assist Plus available again display
message is shown.
Adaptive Highbeam Assist Plus is operational again. Engine
Display messages
Possible causes/consequences and
M MSolutions +
Top Top
up
upcoolant
coolant See
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 before doing so
(Y page 417).
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 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. Display
messages
353On-board computer and displays Z
Page 357 of 497
Display messages
Possible causes/consequences and
M
MSolutions ?
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 is overheated can cause some fluids which 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 traf-
fic conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 219).
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
otherwise be damaged.
X Pay attention to the coolant temperature display.
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 †. #
See Owner's Manual See Owner's Manual The battery is not being charged.
A warning tone also sounds.
Possible causes:
R faulty alternator
R defective power electronics (PLUG-IN HYBRID vehicles)
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 traf-
fic conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 219).
X Consult a qualified specialist workshop. 354
Display
messagesOn-board computer and displays
Page 358 of 497
Display messages
Possible causes/consequences and
M
MSolutions #
Stop vehicle See Stop vehicle See
Owner's Manual Owner's Manual The battery is no longer being charged and the battery charge level
is too low.
A warning tone also sounds.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 219).
X Observe the instructions in the #See Owner's Manual
See Owner's Manual
display message.
X Consult a qualified specialist workshop. #
Stop Stop
vehicle
vehicle Leave
Leave
engine running
engine running The battery charge level 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
under any circumstances.
X Start the engine.
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 battery charge level is too low.
X Switch off 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 a longer
distance.
The battery charges. 4
Check eng. oil Check eng. oil
lev. when next lev. when next
refuelling 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 cool-
ing system. Otherwise the engine will be damaged.
X Check the oil level when next refuelling, at the latest
(Y page 416).
X If necessary, top up the engine oil (Y page 416).
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 quali- fied specialist workshop or on the Internet at http://
bevo.mercedes-benz.co m. Display
messages
355On-board computer and displays Z
Page 359 of 497
Display messages
Possible causes/consequences and
M
MSolutions 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 C There is very little fuel in the fuel tank.
The auxiliary heating cannot be operated.
X Refuel at the nearest filling station without fail. ¸
Replace Replace
air
aircleaner
cleaner Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X Consult a qualified specialist workshop. !
Clean Clean
the
thefuel
fuel fil‐
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 207).Refill AdBlue No
Refill AdBlue No
start in ... mi start in ... mi
The AdBlue
®
level is only sufficient for the indicated distance. A
warning tone also sounds.
X Refill AdBlue ®
immediately (Y page 207).
i If you drive the vehicle faster than 15 km/h the
Refill
Refill
AdBlue
AdBlue No
Nostart
start in
in...
... mi
mimessage goes out after approx-
imately one minute. Refill
Refill
AdBlue
AdBlueEng.
Eng.
start not possible
start not possible The AdBlue
®
tank is empty. A warning tone also sounds. You can
no longer start the engine.
X Add at least 3.5 l of AdBlue ®
(Y page 207).
X Turn the ignition on for approximately one minute.
The system requires approximately one minute after refilling to
detect the change in the AdBlue ®
level.
X Start the engine. Check AdBlue See
Check AdBlue See
Owner’s Manual Owner’s Manual
The AdBlue
®
system is malfunctioning. A warning tone also
sounds.
X Consult a qualified specialist workshop. 356
Display
messagesOn-board computer and displays
Page 360 of 497
Display messages
Possible causes/consequences and
M
MSolutions Eng.
Eng.
start
start not
notpos‐
pos‐
sible in ... mi
sible in ... mi The AdBlue
®
system is malfunctioning. A warning tone also
sounds.
X Consult a qualified specialist workshop immediately. Eng.
Eng.
start
start not
notpos‐
pos‐
sible sible The AdBlue
®
system is malfunctioning. A warning tone also
sounds. You can no longer start the engine.
X Consult a qualified specialist workshop immediately. Hybrid drive system
Display messages
Possible causes/consequences and
M MSolutions d
Vehicle is opera‐ Vehicle is opera‐
tional Switch off tional Switch off
the ignition the ignition
before exiting before exiting PLUG-IN HYBRID vehicles:
You are exiting the vehicle when it is in a ready-to-drive state. The
READY indicator in the multifunction display is on. A warning tone also sounds.
If you leave the vehicle:
X Safeguard the vehicle against rolling away (Y page 219).
X Switch off the ignition and remove the key.
If you do not leave the vehicle: X Switch off the electrical consumers, e.g. automatic climate con-
trol, seat heating.
Please note the following: the electrical consumers are supplied by
the 12 V battery. If the vehicle is left in a ready-to-drive state for an extended period, it will switch off once the 12 V battery is almostempty. It will then only be possible to start the vehicle using a
second battery (jump-starting). Change Change
the
thecurrent
current
drive program
drive program
before changing before changing
the operating the operating
mode modeor Exit manual
Exit manual
drive program M
drive program M
before changing before changing
the operating mode the operating mode PLUG-IN HYBRID vehicles:
You have attempted to change the operating mode in the auto-
matic drive program
S(Sport), S+(Sport Plus) or in the manual
drive program M.
X Activate drive program C(Comfort) or E(Economy)
(Y page 295).
X Select the preferred operating mode HYBRID,E-MODE,E-SAVE
or CHARGE (Ypage 290). Display
messages
357On-board computer and displays Z
Page 361 of 497
Display messages
Possible causes/consequences and
M
MSolutions E-MODE currently
E-MODE currently
unavailable unavailable PLUG-IN HYBRID vehicles:
The charge level of the high-voltage battery has reached the lower
limit and the operating mode E-MODEhas been switched off.
Driving with the internal combustion engine is activated and the
operating mode switches to the basic HYBRIDsetting.
X Drive on using the internal combustion engine.
If necessary, you can change to the E-SAVEorCHARGE oper-
ating mode (Y page 290).
If you select the CHARGEoperating mode, the high-voltage bat-
tery is charged.
When the charge level display of the high-voltage battery has
risen a little, you can change back to the E-MODEoperating
mode. Only E-MODE avail‐ Only E-MODE avail‐
able able
Power
Power limited
limited
Refuel immediately
Refuel immediately PLUG-IN HYBRID vehicles:
The fuel tank has been run dry and the combustion engine has
been switched off.
A warning tone also sounds.
The vehicle will be powered by electrical energy only. Performance
is restricted and the vehicle may accelerate more slowly than nor-
mal.
X Refuel at the nearest filling station without fail.
In the "Total range and electric range" menu, you can display the
approximate range of the vehicle (Y page 294).Without starting Without starting
engine again, con‐ engine again, con‐
sult workshop sult workshop You cannot restart the engine due to a malfunction.
A warning tone also sounds.
If the engine is running:
X Consult a qualified specialist workshop.
If you switch off the engine:
X Safeguard the vehicle against rolling away (Y page 219).
X Consult a qualified specialist workshop. á
Towing not permit‐ Towing not permit‐
ted See Owner's ted See Owner's
Manual Manual The hybrid drive system is faulty.
X Have the vehicle transported on a transporter or trailer to the
nearest qualified specialist workshop. Û
Malfunction Visit Malfunction Visit
workshop workshop The hybrid drive system is faulty.
X Consult a qualified specialist workshop. 358
Display
messagesOn-board computer and displays
Page 365 of 497
Display messages
Possible causes/consequences and
M
MSolutions Blind Spot Assist
Blind Spot Assist
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual
orActive
Active
Blind Spot Assist
Blind Spot Assist
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual Blind Spot Assist or Active Blind Spot Assist is temporarily inop-
erative.
Possible causes:
R the radar sensor system is outside the operating temperature
range
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation
Once the causes listed above no longer apply, the display message goes out.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Safeguard the vehicle against rolling away (Y page 219).
X Restart the engine. Blind Spot Assist Blind Spot Assist
not not
available
available when
when
towing a trailer
towing a trailer
See See Owner's
Owner's Manual
Manual
or Active Blind
Active Blind
Spot Assist not
Spot Assist not
available available when
whentow‐
tow‐
ing a trailer See
ing a trailer See
Owner's Manual Owner's Manual Blind Spot Assist or Active Blind Spot Assist is deactivated while
towing a trailer.
You have established the electrical connection between the trailer
and your vehicle.
X Press aon the steering wheel to confirm the display mes-
sage. Blind Spot Assist Blind Spot Assist
inoperative inoperative
or
Active Blind Spot
Active Blind Spot
Assist inoperative Assist inoperative Blind Spot Assist or Active Blind Spot Assist is faulty.
X Consult a qualified specialist workshop. Park
Park
Assist
Assist cancel‐
cancel‐
led
led The driver's door is open.
X Repeat the parking gap measurement and parking process with
the driver's door closed. You touched the multifunction steering wheel while steering inter-
vention was active.
X While steering intervention is active, make sure not to touch the
multifunction steering wheel. The vehicle has started to skid and ESP
®
has intervened.
X Use Active Parking Assist again later (Y page 257).362
Display
messagesOn-board computer and displays