While the on-board computer reads in the SIM
card:
R
you can dial a telephone number from the
redial list ( Calls Dialed list).
R you can dial a telephone number from the
telephone book stored in COMAND.
R the multifunction display shows the
Reading data... display message below
the phone book entries.
When the multifunction display shows the
Updating data... display message,
COMAND has finished importing data. The
multifunction display then shows all the
phone book entries in COMAND and the
mobile phone.
X Press the =or; button on the
steering wheel to select the Telephonemenu.
X Press the 9,:ora button to call
up the phone book.
X Press the 9or: button to select the
desired name.
To scroll rapidly, press and hold the :
or 9 button for longer than one second.
After skipping eight entries, the rapid scroll
speeds up.
Rapid scrolling stops when you release the
button or reach the end of the list.
X If only one telephone number is stored
for a name: press the6ora button
to start dialing.
or
X If there is more than one number for a
particular name: press the6ora
button to display the numbers.
X Press the 9or: button to select the
number you want to dial.
X Press the 6ora button to start
dialing.
or
X If you do not want to make a call: press
the ~ or% button. Redialing The on-board computer saves the last names
or numbers dialed in the redial memory
(Calls Dialed
list).
X Press the =or; button on the
steering wheel to select the Telephone menu.
X Press the 6button to switch to the
redial memory.
X Press the 9or: button to select the
desired name or number.
To scroll rapidly, press and hold the :
or 9 button for longer than one second.
X Press the 6ora button to start
dialing.
or
X If you do not want to make a call: press
the ~ or% button. Assistance menu
Showing the distance display This function is only available with
DISTRONIC PLUS.
X
Press the =or; button on the
steering wheel to select the DriveAssist menu.
X Press the 9or: button to select
Distance Display .
X Press a.
The DISTRONIC PLUS distance display
(Y page 305) appears in the multifunction
display. Menus and submenus
347On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
T!
÷
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 ÷,åand! warning lamps ligh tup in
the instrument cluster and a warning tone sounds.
ATTENTION ASSIST is deactivated.
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. #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. F(USA
only)!(Canada
only)
Please Release Parking Brake The red
F(USA only)/! (Canada only) indicator lamp
flashes and a warning tone sounds.
You are driving with the electric parking brake applied.
X Release the electric parking brake.
or
X Pull away carefully (Y page 290). The red
F(USA only)/! (Canada only) indicator lamp
flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake (Y page 290).
X After the emergency stop: release the electric parking brake
lever. Display messages
357On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
PRE-SAFE
Function Currently
Limited See
Operator's Manual PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers 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 the system is outside the operating temperature range.
R the on-board voltage is too low.
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 289).
X Clean the DISTRONIC PLUS cover in the radiator trim
(Y page 431).
X Clean the bumpers (Y page 431).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
PRE-SAFE ®
Brake is operational again. PRE-SAFE
Function Limited
See Operator's
Manual PRE-SAFE
®
Brak eisd efective. BAS PLUS or the distanc ewarning
signal may also have failed.
X Visi taqualified specialist workshop. 6
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
6warning 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. 362
Display messagesOn-board computer and displays
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
Display messages Possible causes/consequences and
M Solutions
Active Blind Spot
Assist
Currently
Unavailable See
Operator's Manual Active Blind Spot Assis
tis temporarily inoperative. Possible
causes are:
R the sensors are dirty.
R function is impaired due to heavy rain or snow.
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
stations or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior
mirrors.
If the display message does not disappear:
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 289).
X Cleant he sensors (Y page 431).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
Active Blind Spot Assist is operational again. Active Blind Spot
Assist
Inoperative Active Blind Spot Assist is defective.
The yellow
9indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Parking Guidance
Inoperative Parking Guidance is malfunctioning (Y
page 315).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop. Display messages
379On-board computer and displays Z
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