warning MERCEDES-BENZ E-Class CABRIOLET 2014 C207 Owner's Manual

Display messages Possible causes/consequences and
0001 Solutions
0002
Auto
Lamp Function
Inoperative The ligh
tsensor is defective.
X Visit a qualified specialist workshop. 0002
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to 0004.Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available message is
displayed.
Adaptive Highbeam Assist is operational again. Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Engine
Display messages Possible causes/consequences and
0001 Solutions
000F
Check Coolant
Level See
Operator'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 Add coolant, observing the warning notes before doing so
(Y page 315).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. 000E The fan moto
ris faulty.
X At coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. 260
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
000E
Coolant Too Hot
Stop Vehicle Turn
Engine Off The coolan
tis 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 182).
X Waitu ntil the engine has cooled down.
X Make sure tha tthe 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 below 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 †). Display messages
261On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
000A There is only a very small amount of fuel in th
efuel tank.
X Refuel at the neares tgas statio nwithout fail. 0012
Gas Cap Loose The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
X Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X Visit a qualified specialist workshop. Driving systems
Displa
ymessages Possible causes/consequences and
0001 Solutions
0002
Attention Assist:
Take a Break! Based on certain criteria, ATTENTION ASSIST has detected fatigue
or
alack of concentration on th epart of th edriver. A warning tone
also sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest. 0002
Attention Assist
Inoperative ATTENTION ASSIST is inoperative.
X Visi taqualified specialist workshop. 0001
Off The HOLD function is deactivated. the vehicle is skidding.
Aw
arning tone also sounds.
X Reactivate the HOLD function later (Y page 201). The HOLD function is deactivated. When the brak
epedal is firmly
depressed, an activation condition is not fulfilled.
Aw arning tone also sounds.
X Check the activation conditions for the HOLD function
(Y page 201). Display messages
263On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Park Assist
Inoperative You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assis
twill become available again after
approximately ten minutes (Y page 207).
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop. PARKTRONIC is defective.
X
Visit a qualified specialist workshop. Park Assist
Finished The vehicle is parked.
Awarning tone also sounds.
The display message disappears automatically. DISTRONIC PLUS Off DISTRONIC PLU
Shas been deactivated (Y page 191).
If it was no tdeactivated by the driver, a warning tone also sounds. DISTRONIC PLUS Now
Available DISTRONIC PLUS is operational again after having been
temporarily unavailable. You can now reactivate DISTRONIC PLUS
(Y
page 191). 266
Display messagesOn-board computer and displays

Tires
Display messages Possible causes/consequences and
0001 Solutions
Check
Tire Pressure Soon The tire pressure loss warnin
gsystem has detected a significant
loss in pressure.
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 182).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 328).
X Check the tire pressures and, if necessary, correct the tire
pressure.
X Restart the tire pressure loss warning system when the tire
pressure is correct (Y page 352).Check Tire Pressure
Then Restart Run
Flat Indicator The tire pressure loss warning system generated a display
message and has not been restarted since.
X
Set the correct tire pressure in all four tires.
X Restart the tire pressure loss warning system (Y page 352).Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Rectify
Tire Pressure 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 (Y page 352).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 355). Display messages
269On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Check
Tires 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 182).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 328).
X Check the tire pressure (Y page 352).
X If necessary, correct the tire pressure. Warning
Tire Malfunction 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 182).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 328). 270
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Service Required
Do Not Shift Gears
Visit Dealer You canno
tchange 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 '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.0011 The trunk lid is open.
X
Close the trunk lid. 0010 The hood is open.
Awarning tone also sounds.
G WARNING
The open hood may bloc kyour 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 Secure the vehicle against rolling away (Y page 182).
X Close the hood. 0004 At least one door is open.
Awarning tone also sounds.
X Close all the doors. 0009
Rear
Left Backrest
not Latched or
Rear Right Backrest not
Latched The backres
tinthe rear is not engaged on the left-hand and/or
right-hand side. Awarning tone also sounds.
X Push the backres tback until it engages. 0009
Lock
Seat Backrest
Front Left or
Lock Seat Backrest
Front Right The driver's or fron
tpassenger's seat backres tisnot engaged. A
warning tone also sounds.
X Push the backrest back until it engages. 272
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0006
Trunk Partition
Open Cabriolet: the trunk partition is open.
X
Close the trunk partition (Y page 106).0002
Power Steering
Malfunction See
Operator's Manual The powe
rsteering is malfunctioning.
Aw arning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a ris kofanaccident.
X Check whethe ryou are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X Wait until the mobile phone operational readiness symbol
appears in the multifunction display. 0007
Convertible Top
Operation possible
to 25 mph If you drive at speeds of more than 25 mph (40 km/h)
, you cannot
open or close the soft top.
X Fully open or close the soft top (Y page 100).0007
Convertible Top
Opening/Closing
Not Finished The soft top is not fully opened or closed. The hydraulics are
depressurized.
X
Fully open or close the soft top (Y page 100).0007
Open/Close
Convertible Top
Completely The roof is not locked.
If you drive at speeds of more than 25 mph (40 km/
h), you cannot
open or close the soft top.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Push or pull the soft-top switch until the soft top is fully open or
closed (Y page 100). 0007
Start Engine See
Operator's Manual The on-board voltage is too low.
X
Start the engine. Display messages
273On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0001
Key Not Detected
(red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If the engine is switched off, you can no longer loc kthe vehicle
centrally or start the engine.
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 182).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
Aw
arning tone also sounds.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 182).
X Operate the vehicle with the SmartKey in the ignition lock. 0001
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. 0001
Key Detected in
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. 0001
Remove 'Start'
Button and Insert
Key The KEYLESS-GO key can continuously not be detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. 0001
Close Doors to
Lock Vehicle At least one door is open.
Awarning tone also sounds.
X Close all doors and loc kthe vehicle again. Display messages
275On-board computer and displays Z

Indicator and warning lamps in the instrument cluster
Safety
Sea tbelts Problem Possible causes/consequences and
0001 Solutions
0011
After starting the
engine, the red seat
belt warning lamp lights
up for
6seconds. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Faste nyour seat belt (Y page 59). 0011
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds.
The driver's seat belt is not fastened.
X
Fasten your seat belt (Y page 59).
The warning tone ceases. 0011
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 59).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 0011
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds. The driver or front passenger has not fastened their seat belt. You
are driving faster than 15 mph (25 km/h) or have briefly driven
faster than 15 mph (25 km/h).
X
Fasten your seat belt (Y page 59).
The warning lamp goes out and the intermittent warning tone
ceases. There are objects on the front-passenger seat. You are driving
faster than 15 mph (25 km/h) or have briefly driven faster than
15 mph (25 km/h).
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases. 276
Indicator and warning lamps in the instrument clusterOn-board computer and displays