Resetting values
X
Press the VorU button on the
steering wheel to select the trip
computer menu.
X Press the &or* button to select the
function that you wish to reset.
X Press and hold the .reset button on the
instrument cluster until the values have
reverted to "0".
Calling up the range X
Press the VorU button on the
steering wheel to select the trip
computer menu.
X Press the &or* button to select
Range: .
The multifunction display shows the
estimated range of the vehicle, based on
the current driving style and the fuel level.
If there is only a small amount of fuel left in
the fuel tank, the display shows a vehicle
being refueled Cinstead of the range.
Displaying the current fuel
consumption X
Press the VorU button on the
steering wheel to select the trip
computer menu.
X Press &or* to select
Consumption .
The current fuel consumption is displayed. Telephone menu
Introduction G
WARNING
The driver's attention to the road mus talways
be his/her primary focus when driving. For
your safety and the safety of others, we
recommend that you pull over to a safe
location and stop before placing or taking a
telephone call. If you choose to use the
telephone while driving, please use the hands-
free device and only use the telephone when
road, weathe rand traffic conditions permit.
Some jurisdictions prohibitt he driver from
using a mobile phone while driving a vehicle.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle covers
a distance of 44 feet (approximately 14 m)
every second.
X Switch on your mobile phone and
COMAND; see the separate operating
instructions.
X Establish a Bluetooth ®
connection to
COMAND; see the separate operating
instructions.
X Press the VorU button on the
steering wheel to select the Telephone
menu.
You will see one of the following display
messages in the multifunction display:
R Ready or the name of the network provider:
the mobile phone has found a network and
is ready to receive.
R No Service :t
here is no network available
or the mobile phone is searching for a
network. 212
Menus and submenusOn-board computer and displays
Accepting
acall Example: incoming call
If someone calls you whe
nyou are in the
Telephone menu, a display message appears
in the multifunction display.
X Press the 6button on the steering
wheel to accept an incoming call.
If you are not in the Telephonemenu, you can
still accept a call.
Rejecting or ending acall X
Press the ~button on the steering
wheel.
If you are not in the Telephonemenu, you can
still accep tacall.
Dialing a number from the phone book You can use the mobile phone to enter new
telephone numbers into the phone boo
k(see
the separate operating instructions). If your
mobile phone is able to receive calls, you can
search for and dial a number from the phone
book.
X Press the VorU button on the
steering wheel to select the Telephone
menu.
X Press the &or* button to select the
desired name.
To start scrolling rapidly, press and hold the
& or* button for longer than one
second.
X Press 6to start dialing.
or
X To exit the telephone book: press~. Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
X
Press the VorU button on the
steering wheel to select the Telephone
menu.
X Press the 6button to switch to the
redial memory.
X Press the &or* button to select the
desired name or number.
X Press 6to start dialing.
or
X To exit the redial memory: press~. Menus and submenus
213On-board computer and displays Z
Display messages
Introduction
General notes Display messages appear in them
ultifunction display.
Display messages with graphic displays may be shown in simplified for minthe Operator's
Manual and may differ from the messages shown in 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.
Hiding display messages X
Press the V,U,&or* button on the steering wheel to select another display.
or
X Press reset button .on the instrument cluster (Y page 31).
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 on-board computer saves certain display messages. You can call up the display messages
in the
message memory menu.
The message memory menu is only shown if any display messages have been stored.
X Press the VorU button repeatedly, until either the original menu or the message
memory menu is shown.
If there are display messages, the multifunction displays hows, e.g.2 Messages .
X Press the &or* button to scroll through the display messages.
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. 214
Display messagesOn-board computer and displays
Safety systems
Display messages Possible causes/consequences and
M Solutions
!÷
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, hill start assist and
ESP ®
trailer stabilization are temporarily unavailable.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
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. !÷
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, PRE-SAFE ®
, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
The $ (USA only)/J (Canada only),÷,åand!
warning lamps in the instrumen tcluster also light up.
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. Display messages
215On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
X
Drive on carefully.
X Visit a qualified specialist workshop immediately. ÷
Unavailable See
Operator's Manual ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are temporarily unavailable.
In addition, the ÷andå warning lamps ligh tup in the
instrument cluster.
The self-diagnosis function might not be complete, for example.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
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, ESP ®
is available again.
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. ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are temporarily unavailable.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
For example, the on-board voltage may be insufficient.
The brake system continues to function normally, but without the
functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. If the display message is shown while the vehicle is in motion and
the
÷ warning lamp flashes, the electronic traction system is
deactivated. Otherwise, the brakes on the drive wheels could
overheat.
X Let the brakes cool down until the display message disappears
and the ÷warning lamp goes out.
The Electronic Traction System is activated again. 216
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
÷
Inoperative See
Operator's Manual ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
In addition, the ÷andå warning lamps ligh tup in the
instrument cluster.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
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. T!
÷
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS,
PRE-SAFE ®
, hill start assist and ESP ®
trailer stabilization are
unavailable due to a malfunction.
In addition, the ÷,åand! 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 fronta nd rearwheels 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. $(USA
only)!(Canada
only)
Release Parking
Brake You are driving with the parking brake applied.
Awarning tone also
sounds.
X Release the parking brake. Display messages
217On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
Tire Pressure
Monitor
Inoperative No
Wheel Sensors The wheels mounted do no
thave a suitable tire pressure sensor.
The tire pressure monito ris deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes. 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 166).
X If there is a flat tire, inspect the tires (Y page 299).
X Check the tire pressure (Y page 320).
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 166).
X If there is a flat tire, inspect the tires (Y page 299).232
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
Tire Pressure(s)
Please Correct The tire pressure is too low in at leas
tone 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 320).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 322).Tire Pressure
Monitor Wheel
Sensor Missing There is no signal from the tire pressure sensor of one or several
wheels
.The pressure of the affected tire is not displayed in the
multifunction display.
X Have the faulty tire pressure sensor replaced at a qualified
specialist workshop. Tire Pressure
Monitor Currently
Unavailable Due to a source of radio interference, no signals can be received
from the 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 166).
X If there is a flat tire, inspect the tires (Y page 299). Display messages
233On-board computer and displays Z