On-board computer (vehicles with
steering wheel buttons) Operating the on-board computer
Overview X
To activate the on-board computer: turn
the key to position 1in the ignition lock.
The on-board computer is activated as soon
as you turn the key to position 1in the ignition
lock.
The on-board computer shows vehicle infor-
mation and settings in the display.
You can control the display and the settings
in the on-board computer with the buttons on
the steering wheel.
Steering wheel buttons 0043
Display
On-board computer operation 0044
0081
and0082
R Selects submenus
R Changes values
R Adjusts the volume
Using the telephone
0061 Accepts a call
0076 Ends a call 0087
Scrolls from one menu to another
0080
Forwards
007F Back
Scrolls within a menu
0041 Forwards
0068 Back Controls
You can think of the order of the menus and
of the functions within a menu as a circle:
X
Press the 0080or007F button repeatedly.
The menus are displayed one after the
other.
X Press the 0068or0041 button repeatedly.
The functions in the menu/submenu are
displayed one after the other.
Several functions are combined thematically
in the menus.
The display changes when you press one of
the buttons on the steering wheel. You can
use a function to call up information or to
change the settings for the vehicle.
For example, the AUDIOmenu has functions
for controlling the radio or CD player.
Unlike in other menus, you will find submenus
in the Settings Settings menu. For information on
how to use these submenus, see the "Set-
tings menu" section (Y page 190) .
The number of menus depends on your vehi-
cle's equipment.
i Operation of the audio equipment using
the steering wheel buttons and making set-
tings using the AUDIOmenu only function 186
On-board computer (vehicles with steering wheel buttons)On-board computer and displays
Using the steering wheel buttons
X
Switch on the audio equipment (see the
separate operating instructions).
X Press the 0080or007F button repeatedly
until the station selected appears in the
display.
The type of search depends on the setting
of the radio station selection
(Y page 196): the nearest stored station
will be selected or the station search starts.
X Press the 0041or0068 button to select the
desired station.
i You can only store new stations on the
audio system itself. See the separate oper-
ating instructions.
You can also operate the audio equipment
in the same way as usual.
Operating the CD player 0043
Current CD (with CD changer)
0044 Current track
Using the steering wheel buttons
X Switch on the audio equipment and select
the CD player (see the separate operating
instructions).
X Press the 0080or007F button repeatedly
until the settings for the current CD appear
in the display.
X Press the 0041or0068 button to select a
CD track. Settings menu
Introduction In the
Settings menu, the following options
and submenus are available:
R Resetting all settings
R Resetting the functions of a submenu
R Instrument cluster (Y page 191)
- Units and language settings
- Status bar settings
R Clock(Y page 193)
R Lighting (Y page 194)
- Switching surround lighting on/off
- Switching the daytime running lamps
on/off
- Setting the exterior lighting delayed
switch-off
- Activating/deactivating Highbeam
Assist
R Vehicle (Y page 196)
- Setting the radio station selection
- Setting the windshield wiper sensitivity
R Stationary heating or auxiliary heating
(Y page 124)
R Convenience (Y page 196)
- Key-dependent settings
i For safety reasons, it is not possible to
reset all of the functions while the vehicle
is in motion. For example, in the Light‐ Light‐
ing
ing submenu, the Daytime runn. lamps
Daytime runn. lamps
function remains unchanged.
Resetting all settings Settings menu190
On-board computer (vehicles with steering wheel buttons)On-board computer and displays
motion. You will see the following message
in the display: Setting only possible
Setting only possible
at standstill
at standstill.
Switching surround lighting on or off Using the steering wheel buttons
X
Press the 0080or007F button repeatedly
until the Settings
Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the Loc. Loc.
lighting
lighting function.
The selection marker is on the current set-
ting.
X Use the 0081or0082 button to switch the
surround lighting On OnorOff
Off .
If you switch the surround lighting to On
On, the
following lamps light up in the dark after you
have unlocked the vehicle using the key:
R the parking lamps
R the tail lamps
R the license plate lamps
R the fog lamps
The surround lighting automatically switches
off after 40 seconds or if you:
R open the driver's door
R insert the key into the ignition lock
R lock the vehicle using the key Setting the exterior lighting delayed
switch-off In the
Headlamps Headlamps submenu, you can set
whether and for how long you wish the exte-
rior lighting to remain on after closing the
doors.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Lighting
Lighting submenu.
X Press the 0063button to select the Head‐
Head‐
lamps
lamps function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to select
whether and for how long you wish the
exterior lighting to remain on.
If you have set the delayed switch-off and
switch off the engine, the following remain lit:
R the parking lamps
R the tail lamps
R the license plate lamps
R the fog lamps
i You can reactivate this function by open-
ing a door within 10 minutes.
If, after switching off the engine, you do not
open a door or you close an open door, the
exterior lighting switches off after
60 seconds. On-board computer (vehicles with steering wheel buttons)
195On-board computer and displays Z
Vehicle submenu
Setting the radio station selection
With the
Search
Searchfunction, you can set how
the radio changes the station when you oper-
ate it with the steering wheel buttons (not
with Audio 20).
The Frequency
Frequency setting starts the station
search. The Memory
Memorysetting selects the next
stored station.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press 0081or0082 to select the Vehicle
Vehicle
submenu.
X Press the 0063button to select the
Search
Search function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to select the
station search mode.
Setting the windshield wiper sensitivity You can use the
Wipe
Wipesensor
sensor function to set
the sensitivity of the rain/ light sensor. Using the steering wheel buttons
X
Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press 0081or0082 to select the Vehicle
Vehicle
submenu.
X Press the 0063button to select the Wipe
Wipe
sensor
sensor function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to adjust the
sensitivity of the rain/light sensor.
The levels are graded as follows:
R Level 1 Level 1: high sensitivity – wiping begins
even in light rain
R Level 2 Level 2: moderate sensitivity
R Level 3
Level 3: low sensitivity – wiping only
begins in heavy rain
Convenience submenu The
Key Key function allows you to define whether
settings for some submenus are stored with
a key dependence.
This function pertains to the Inst. clus‐ Inst. clus‐
ter
ter (instrument cluster) menu, the Light‐
Light‐
ing
ing menu and the Vehicle
Vehiclemenu.
Using the steering wheel buttons
X Press the 0080or007F button repeatedly
until the Settings Settings menu appears in the
display.
X Press the 0063button to switch to the sub-
menu selection.
X Press the 0081or0082 button to select the
Convenience
Convenience submenu.196
On-board computer (vehicles with steering wheel buttons)On-board computer and displays
X
Press the 0063button to select the Key
Key
function.
The selection marker is on the current set-
ting.
X Press the 0081or0082 button to activate
or deactivate key dependency. Trip computer menu
General notes You can call up or reset statistical data for the
vehicle in the Trip computer menu.
i When you call up the trip computer again,
it displays the last function called up.
The units of the statistical information dis-
played are set permanently for each spe-
cific country, and are therefore independ-
ent of the units selected in the Settings
Settings
menu.
Trip computer "After start" or "After
reset" Example: "After start" trip computer
0043
Distance
0044 Time
0087 Average speed
0085 Average fuel consumption
Using the steering wheel buttons
X Press the 0080or007F button to select
After start
After start.
Or
X Press the 0041or0068 button to select
After reset After reset.
The values in the After start
After startsubmenu
refer to the start of the journey. The values in the
After reset
After reset submenu are calculated
from the last time the trip computer was
reset.
The After start After start trip computer function is
automatically reset if:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 miles have been exceeded.
The After reset
After reset trip computer is automati-
cally reset if the value exceeds 9,999 hours
or 99,999 miles.
i If you turn the key to position 0in the
ignition lock or remove it, all the values are
reset after approximately four hours.
The values will not be reset if you turn the
key back to position 1or 2during this time.
Calling up the range Using the steering wheel buttons
X
Press the 0080or007F button to select
After start After start.
X Select Range
Rangeusing the 0041or0068 but-
ton.
The approximate distance which can be
covered with the tank's current contents
and your current style of driving is shown.
i If there is only a small amount of fuel left
in the fuel tank, the 00B5Please refuelPlease refuel
message is shown instead of the range.
Resetting the trip computer Using the steering wheel buttons
X
Press the 0080or007F button to select
After start After start.
X Press the 0041or0068 button to select the
function you would like to reset.
X Press and hold the 0045reset button until the
values are reset to "0". On-board computer (vehicles with steering wheel buttons)
197On-board computer and displays Z
X
Press the 0041or0068 button to select the
desired name.
Or
X To start rapid scrolling: press and hold
the 0041 or0068 button longer than 1 sec-
ond.
Rapid scrolling stops when you release the
button or reach the end of the list.
Using the steering wheel buttons
X To start dialing: press the0061button.
The on-board computer dials the corre-
sponding phone number.
When a connection is established, the
name of the other person and/or the call
duration appear in the display.
X To exit the telephone book: press the
0076 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory.
Using the steering wheel buttons
X Use the 0080or007F buttons to select the
TEL
TEL menu.
The display shows the mobile phone opera-
tional readiness symbol.
X Press the 0061button.
The display shows the most recently dialed
numbers or names in the redial memory.
X Press the 0041or0068 button to select the
desired name or number.
X To start dialing: press the0061button.
The on-board computer dials the corre-
sponding phone number.
When a connection is established, the
name of the other person and/or the call
duration appear in the display.
Or
X To exit the redial memory: press the
0076 button. Display messages
Notes on display messages
Important safety notes G
WARNING
No information will be displayed if either the
instrument cluster or the display is inopera-
tive.
As a result, you will not be able to see warning
and indicator lamps or information about the
driving conditions, such as speed or outside
temperature. Driving characteristics may be
impaired. Adjust your driving style and vehicle
speed accordingly.
Contact a qualified specialist workshop
immediately. G
WARNING
If service work is not carried out correctly, the
operating safety of your vehicle may be
affected. This could cause you to lose control
of your vehicle and cause an accident. More-
over, the safety systems may no longer be
able to protect you or others as they are
designed to do.
Always have service work carried out at a
qualified specialist workshop.
i If you turn the key to position 2in the
ignition, a display check is performed. All
warning/indicator lamps (except the turn
signal indicator lamps) and the display are
activated. Before starting the journey,
check that the warning and indicator lamps
are operating correctly.
Vehicles without steering wheel but-
tons Warnings, malfunctions or additional infor-
mation may also be shown in the display. The
following tables show all the display mes-
sages. A warning tone sounds with certain
display messages. Display messages
199On-board computer and displays Z
Lights
Display messages Possible causes/consequences and
0050
0050Solutions 0049
Low beam left Low beam left The left-hand low beam is faulty
3
.
X Halogen headlamps: replace the bulb as soon as possible
(Y page 101).
X Bi-Xenon headlamps: consult a qualified specialist workshop
as soon as possible. 0049
Low beam right Low beam right The right-hand low-beam headlamp is faulty
3
.
X Halogen headlamps: replace the bulb as soon as possible
(Y page 101).
X Bi-Xenon headlamps: consult a qualified specialist workshop
as soon as possible. 0049
Cornering lt. left Cornering lt. left The left-hand cornering light is faulty
3
.
X Replace the bulb as soon as possible (Y page 101).0049
Cornering Cornering
lt.
lt.right
right The right-hand cornering light is faulty
3
.
X Replace the bulb as soon as possible (Y page 101).0049
Lights on automat‐ Lights on automat‐
ical. Remove key ical. Remove key The automatic headlamp feature is active: the light switch is in the
0058
position and you have forgotten to remove the key.
X Remove the key from the ignition lock. 0049
Turn signal left Turn signal left The left-hand turn signal is faulty.
X
Change the bulb as soon as possible in the front ( Ypage 102)
or rear (Y page 103) indicator lamp. 0049
Turn signal right Turn signal right The right-hand turn signal is faulty.
X
Change the bulb as soon as possible in the front ( Ypage 102)
or rear (Y page 103) indicator lamp. 0049
Brake lamp left Brake lamp left The left brake lamp is faulty
3
.
X Replace the bulb as soon as possible (Y page 103).0049
Brake lamp right Brake lamp right The right brake lamp is faulty
3
.
X Replace the bulb as soon as possible (Y page 103).0049
Third brake lamp Third brake lamp The third brake lamp is faulty
3
. This display message will only
appear if all LEDs have failed.
X Consult a qualified specialized workshop as soon as possible. 3
Depending on the equipment, the bulb-failure indicator may not be featured for any lamps other than the
turn signals. 210
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0050
0050Solutions 003E
Hood open Hood open You are already driving at walking pace, even though the hood is
not closed.
X
Close the hood. 0064
Please enter PIN: Please enter PIN: You have not yet entered your PIN in the mobile phone.
X
Enter the PIN for the SIM card. 003E
Doors open Doors open You are already driving at walking pace, even though not all the
doors are closed.
X
Close the doors. 00B1
Check wash. fluid Check wash. fluid
level level The washer fluid level is too low.
X
Add washer fluid ( Ypage 257). Key
Display messages Possible causes/consequences and
0050 0050Solutions 0039
Replace key Visit Replace key Visit
workshop workshop The key is no longer working.
X
Visit a qualified specialist workshop. 220
Display
messagesOn-board computer and displays