2014 MERCEDES-BENZ CL-Class warning

Display messages Possible causes/consequences and
M Solutions
? The fan motor is faulty.
X
At coolan ttemperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. ?
Coolant Low Stop
Vehicle Turn
Engine Off The coolant is too hot.
Aw
arning tone also sounds.
G WARNING
Do no tdrive when youre ngine is overheated. Thi scan cause some
fluids which may have leaked into the engine compartmen tto
catch fire.
Stea mfrom the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 289).
X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is under 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). 372
Display messagesOn-board computer and displays

Driving systems
Display messages Possible causes/consequences and
M Solutions
À
Attention Assist:
Drowsiness
Detected Based on specific criteria, ATTENTION ASSIST has determined that
the driver is tired or paying less attention
.Awarning tone also
sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest. À
Attention Assist
Inoperative ATTENTION ASSIST has failed.
X Visi taqualified specialist workshop. Á
Night View Assist
Inoperative Night View Assist Plus is defective.
X Visit a qualified specialist workshop. Á
Night View Assist
Currently
Unavailable The temperature of the camera is too high.
X
Wait until you see the Night View Assist Available Again display message.
You can also:
X Fold the camera cover down (Y page 432).
X Adjust the air distribution of the automatic air conditioning
upwards. Á
Night View Assist
Lights Must Be Set
To AUTO or ON Ac
ondition for activating Night View Assist Plus has not been
fulfilled.
X Turn the light switch to corL. Á
Night View Assist
Not In Reverse Gear Ac
ondition for activating Night View Assist Plus has not been
fulfilled.
X Shift the transmission to P,Nor D. Á
Night View Assist
Lights ON or AUTO,
Not in R Gear Ac
ondition for activating Night View Assist Plus has not been
fulfilled.
X Turn the light switch to corL.
X Shift the transmission to P,Nor D. Display messages
375On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Á
Night View Assist
Only When It Is
Dark You have attempted to activate Night View Assis
tPlus in the
daytime.
Night View Assist Plus can only be activated when it is dark. ¨
Vehicle Rising Your vehicle is adjusting to the level you have selected.
¨
Vehicle Rising
Please Wait Briefly The vehicle level is too low when the vehicle is stationary. A
warning tone also sounds.
X
Do not pull away.
The vehicle level is set when the display message disappears. ¨
STOP Car Too Low You have pulled away while the vehicle level is still too low.
AIRMATIC sets the vehicle to the selected level after a short
period.
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 289).
X Wait until the display message disappears before pulling away. AIRMATIC is defective.
Awarning tone also sounds.
X Do not drive at speeds above 50 mph (80 km/h).
X Make only sligh tsteering movements. Otherwise, the front
fender or the tires could be damaged if the steering movement
is too large.
X Liste nfor scraping sounds.
X Pull over and stop the vehicle safely, paying attention to road
and traffic conditions, and select a higher vehicle level.
Depending on the malfunction, it may be possible to raise the
vehicle.
X Visit a qualified specialist workshop. ¨
Malfunction The AIRMATIC function is restricted. The vehicle's handling
characteristics may be affected.
X
Do not drive at speeds above 50 mph (80 km/h).
X Visit a qualified specialist workshop. 376
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Parking Guidance
Canceled Parking Guidance is deactivated. Possible causes are:
R
the vehicle is skidding.
R the sensors are dirty.
R a malfunction has occurred.
X Reactivate Parking Guidance later ( Ypage 315).
If the parking space symbol does no tappear in the multifunction
display at speeds below 19 mph (30 km/h):
X Clean the sensors (Y page 431).
X Restart the engine.
If the parking space symbol still does not appear in the
multifunction display at speeds below 19 mph (30 km/h):
X Visit a qualified specialist workshop. Parking Guidance has been deactivated because you are no longer
following the recommended path.
X
Park again and, while doing so, observe the display messages
in the multifunction display. Parking Guidance
Finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS
Off DISTRONIC PLU
Shas been deactivated (Y page 298). If it was
deactivated automatically, a warning tone also sounds. DISTRONIC PLUS
Available Again DISTRONIC PLU
Sis operational againa fter having been
temporarily unavailable .You can now reactivate DISTRONIC PLUS
(Y page 298). 380
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Check
tire(s) The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
Aw
arning tone also sounds.
G WARNING
With tire pressures which are too low, there is a ris kofthe
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 289).
X If there is a flat tire, inspect the tires (Y page 437).
X Check the tire pressure (Y page 461).
X If necessary, correct the tire pressure. Caution,
tire defect The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
G WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 289).
X If there is a flat tire, inspect the tires (Y page 437).Please correct
tire pressure(s) The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X Check the tire pressures at the next opportunity. If necessary,
correct the tire pressure (Y page 461).
X Restart the tire pressure monitor (Y page 464). Display messages
383On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Wheel sensor(s)
missing There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is no
tdisplayed in the
multifunction display.
X Have the faulty tire pressure sensor replaced at a qualified
specialist workshop. tire press. monitor
currently
unavailable Due to a source of radio interference, no signals can be received
fro
mt he wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved. h
tire pressure
Caution, tire
defect The tire pressure in one or more tires has dropped suddenly.
Aw
arning tone also sounds.
G WARNING
If you drive with a flat tire, there is a ris kofthe following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 289).
X If there is a flat tire, inspect the tires (Y page 437).384
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
h
tire pressure
Check tire(s) The tire pressure in one or more tires has dropped significantly.
G WARNING
With tire pressures which are too low, there is a ris kofthe
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 289).
X If there is a flat tire, inspect the tires (Y page 437).
X Check the tire pressure (Y page 461).
X If necessary, correct the tire pressure. h
Please correct
tire pressure(s) The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X Check the tire pressures at the next opportunity. If necessary,
correct the tire pressure (Y page 461).Vehicle
Display messages Possible causes/consequences and
M Solutions
Shift to P or N
to Start Engine You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary Battery
Malfunction
(White display
message) The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop. Display messages
385On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Auxiliary Battery
Malfunction
(Red display message) The auxiliary battery fo
rthe automatic transmission is discharged.
If there is a malfunction in the vehicle's electrical system, you may
not be able to change the transmission position.
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 Consult a qualified specialist workshop. Apply Brake
to Shift from 'P' You have attempted to move the transmission selector lever to
position
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Door Open
Vehicle Not in Park The driver's door is open and the transmission is in position
R,N
or D.
X Shift the transmission to position P.
X Secure the vehicle against rolling away (Y page 289).Service Required
Do Not Shift Gears You cannot change the transmission position due to a malfunction.
Aw
arning tone also sounds.
If transmission position Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Notify a qualified specialist workshop or breakdown service. Only Shift to
Position 'P'
When Vehicle Is
Stationary The vehicle is moving.
X
Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Shift the transmission to position P.N The trunk lid is open.
X
Close the trunk lid. M The hood is open.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the electric parking brake.
X Close the hood. 386
Display messagesOn-board computer and displays