warning MERCEDES-BENZ C-Class COUPE 2014 CL204 Owner's Manual

Activating/deactivating the rada
rsensor
system
X Press the 0002or0005 button on the
steering wheel to selec tthe Sett. menu.
X Press the 0004or0003 button to select the
Vehicle submenu.
X Press 000Bto confirm.
X Press the 0003or0004 button to select
Radar Sensor (See Oper. Manual): .
You will see the selected setting: Enabledor
Disabled .
X Press the 000Bbutton to save the setting.
The following systems are switched off when
the radar sensor system is deactivated:
R DISTRONIC PLUS (Y page 157)
R BAS PLUS (Y page 63)
R PRE-SAFE ®
Brake (Y page 67)
R Blind Spot Assist (Y page 177)
R Active Blind Spot Assist (Y page 180)
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants –particularly childre n–could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is
making adjustments, make sure that no one
has any body parts in the sweep of the
steering wheel.
If somebody becomes trapped:
R press one of the memory function position
buttons, or
R move the switch for steering wheel
adjustmen tinthe opposite direction to that
in which the steering wheel is moving.
The adjustment process is stopped. X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Easy Entry/Exit function.
If the Easy Entry/Exit function is
activated, the vehicle steering wheel is
displayed in orange in the multifunction
display.
X Press the 000Bbutton to save the setting.
Further information on the EASY-ENTRY/EXIT
feature (Y page 99).
Switching the belt adjustment on/off
X Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press 000Bto confirm.
X Press the 0004or0003 button to select the
Belt Adjustment function.
When the Belt Adjustment function is
activated, the vehicle seat belt is displayed
in orange in the multifunction display.
X Press the 000Bbutton to save the setting.
For further information on belt adjustment,
see (Y page 54).
Switching the fold-in mirrors with the
locking feature on/off
This function is only available on vehicles with
the memory function (Y page 103).
This function is only available in Canada.
When you activate the Auto. Mirror Folding function, the exterior mirrors are
folded in when the vehicle is locked. If you
unlock the vehicle and then open a door, the
exterior mirrors fold out again.
X Press the 0002or0005 button on the
steering wheel to select the Sett menu.
X Press the 0004or0003 button to select the
Convenience submenu.202
Menus and submenusOn-board computer and displays

Display messages
General notes
Display messages appear in th emultifunction display.
Display messages with graphic displays may be shown in simplified for minthe Operator's
Manual and may therefore differ from the multifunction display.
Please respond in accordance with the display messages and follow the additional notes in
this Operator's Manual.
Certain display messages are accompanied by an audible warning tone or a continuous tone.
When the ignition is switched off, all display messages are deleted, apart from some high-
priority display messages. Once the causes of the high-priority display messages have been
rectified, the corresponding display messages are also deleted.
When you stop and park the vehicle, please observe the notes on the HOLD function
(Y page 166) and parking (Y page 148).Hiding display messages
X Press the 000Bor0006 button on the steering wheel to hide the display message.
The display message is cleared.
The multifunction display shows high-priority display messages in red. Some high-priority
display messages cannot be hidden.
The multifunction display shows these messages continuously until the causes for the
messages have been remedied. Message memory
The message memory allows you to call up previous display messages.
X Press the 0002or0005 button on the steering wheel to select the Serv. menu.
If there are display messages, the multifunction displays hows2 messages , for example.
X Press the 0003or0004 button to select the entry, e.g. 2 messages .
X Press 000Bto confirm.
X Press the 0003or0004 button to scroll through the display messages. 206
Display messagesOn-board computer and displays

Safety systems
Display messages Possible causes/consequences and
0001 Solutions
0018000D
Currently
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
,t he HOLD function and
hill start assist are temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000D,0015and0018 warning lamps light up in
the instrument cluster.
ATTENTION ASSIST is deactivated.
Possible causes are:
R self-diagnosis is not yet complete.
R the on-board voltage may be insufficient.
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
affected. 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 Carefully drive a suitable distance, making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. 000D
Inoperative See
Operator's Manual ESP
®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
unavailable due to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000Dand0015 warning lamps light up in the
instrument cluster.
The self-diagnosis functio nmight not be complete, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. Display messages
207On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
The braking distance in an emergency braking situation can thus
increase.
If ESP
®
is no toperational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance, making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. 00060018
000D
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, PRE-
SAFE ®
, the HOLD function and hill start assist are unavailable due
to a malfunction.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
In addition, the 000D,0015and0018 warning lamps light up in
the instrument cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The fron tand rea rwheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. 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 Drive on carefully.
X Visit a qualified specialist workshop immediately. 0004(USA
only)0005(Canada
only)
Please Release
Parking Brake You are driving with the parking brake applied.
Awarning tone also
sounds.
X Release the parking brake. 208
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
000B(USA
only)
0005(Canada
only)
Brake Immediately A malfunction has occurred while the HOLD function or
DISTRONIC PLUS is active.
At
one may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message
disappears.
X Use the folding wheel chock (Y page 321) from the vehicle tool
kit to secure the vehicle against rolling away.
You can restart the engine. 000B(USA
only)0005(Canada
only)
Check Brake Fluid Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the
000B(USA only)/0005 (Canada only) warning
lamp lights up in the instrument cluster and a warning tone
sounds.
G WARNING
The braking effect may be impaired.
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. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 148).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0006
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. 0008
Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
209On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiato rgrill and the bumper are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake 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 148).
X Clean the sensors in the radiator grill and the bumper
(Y page 277).
X Restart the engine.
X AMG vehicles: reactivate ESP ®
(Y page 66). PRE-SAFE
Functions Limited
See Operator's
Manual PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit a qualified specialist workshop. 001E
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
001Ewarning lamp also lights up in the instrument
cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.
For further information about SRS, see (Y page 39).210
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
001E
Front Left
Malfunction
Service
Required or
Front Right Malfunction
Service Required SRS has malfunctioned at the front on the left or right. The
001E
warning lamp also lights up in the instrumen tcluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 001E
Rear Left
Malfunction
Service
Required or
Rear Right Malfunction
Service Required G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
SRS has malfunctione dat the rear on the left or right. The 001E
warning lamp also lights up in the instrument cluster.
X Visi taqualified specialist workshop. 001E
Left Side Curtain
Airbag Malfunction
Service
Required or
Right Side Curtain
Airbag Malfunction
Service Required There is a malfunction in the left-hand or right-hand window
curtain air bag.
The 001E warning lamp also lights up in the instrument cluster.
G WARNING
The left or right window curtain air bag may either be triggered
unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. Display messages
211On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Front Passenger
Airbag Disabled
See Operator's
Manual The front-passenger air bag is disabled during the journey, even
though:
R
an adult
or
R a person larger than a certain size is occupying the front-
passenger seat
If additional forces are applied to the seat, the system may
interpret the occupant's weight as lowe rthan it actually is.
G WARNING
The front-passenger air bag does not deploy during an accident.
There is 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 148).
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the PASSENGER AIR BAG OFF indicator lamp in the
center console and the multifunction display and check the
following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF indicator lamp must light up and
remain lit. If the indicator lamp is on, OCS has disabled the front-
passenger air bag (Y page 45).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not be shown in
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 appearint he
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the PASSENGER AIR BAG OFF indicator
lamp remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. 212
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Fo
rfurther information about the Occupant Classification System,
see (Y page 45). Front Passenger
Airbag Enabled
See Operator's
Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an object weighing less than the
system's weigh tthreshold is located on the front-passenger
seat
or
R the front-passenger seat is unoccupied
The system may detect objects or forces applying additional
weight on the seat.
G WARNING
The air bag may deploy unintentionally.
There is 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 148).
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detect the additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the PASSENGER AIR BAG OFF indicator lamp in the
center console and the multifunction display and check the
following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF indicator lamp must light up and
remain lit. If the indicator lamp is on, OCS (Occupant
Classification System) has disabled the front-passenger air bag
(Y page 45).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not be shown in
the multifunction display. Display messages
213On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0002
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X Tur nthe light switch to 0003. Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. 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 Cleant he windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available again message is displayed.
Adaptive Highbeam Assist is operational again.
Engine
Display messages Possible causes/consequences and
0001 Solutions
000B
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 272).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. 000A The fan motor is 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. Display messages
217On-board computer and displays Z