Page 23 of 237

Keys, doors and windows21
Extend the key and open the unit.
Replace the battery (battery type
CR 2032), paying attention to the installation position. Close the unit
and synchronise.
Key with fixed key section
Have the battery replaced by a
workshop.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control will be
synchronised when the ignition is switched on.
Memorised settings Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
■ Lighting
■ Infotainment system (only CD 400)
■ Central locking system
■ Comfort settingsThe saved settings are automatically used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 133.
A precondition is that Personalization
by driver is activated in the personal
settings of the Graphic-Info-Display.
This must be set for each key used.
On vehicles equipped with
Colour-Info-Display, the
personalisation is permanently
activated.
Vehicle personalisation 3 109.
Central locking system Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling the handle once more opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.Unlocking
Press button c.
Two settings are selectable: ■ To unlock only the driver's door and
the fuel filler flap, press button c
once. To unlock all doors and the
load compartment, press button c
twice,
or
■ press button c once to unlock all
doors, load compartment and fuel
filler flap.
Page 83 of 237
Instruments and controls81Instruments and
controlsControls ....................................... 81
Warning lights, gauges and indi‐ cators ........................................... 88
Information displays .....................99
Vehicle messages ...................... 103
Trip computer ............................. 107
Vehicle personalisation ..............109Controls
Steering wheel adjustment
Unlock lever, adjust steering wheel,
then engage lever and ensure it is fully locked.
Do not adjust steering wheel unless
vehicle is stationary and steering
wheel lock has been released.
Steering wheel controls
The Infotainment system, the cruise
control and a connected mobile
phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment system manual.
Cruise control 3 147.
Page 88 of 237

86Instruments and controls
Time and date settings
CD 300/CD 400/CD400plus
Press the CONFIG button. The menu
Settings is displayed.
Select Time & Date .
Selectable setting options:
■ Set time : Changes the time shown
on the display.
■ Set date : Changes the date shown
on the display.
■ Set time format : Changes
indication of hours between 12
hours and 24 hours .
■Set date format : Changes
indication of date between MM/DD/
YYYY and DD.MM.YYYY .
■ Display digital clock : Switches on/
off indication of time on the display.
■ RDS clock synchronization : The
RDS signal of most VHF
transmitters automatically sets the time. RDS time synchronisation
can take a few minutes. Some
transmitters do not send a correct
time signal. In such cases, it is
recommended to switch off
automatic time synchronisation.
Vehicle personalisation 3 109.
Time and date settings
CD 600/Navi 650/Navi 950
Press the Config button and then
select the Time and Date menu item
to display the respective submenu.
Notice
If RDS Auto Time Adjust is activated,
time and date are automatically set
by the system.
See Infotainment system manual for further information.
Set time
To adjust the time settings, select the
Set Time menu item. Turn the
multifunction knob to adjust the first
setting.
Press the multifunction knob to
confirm the input. The coloured
background moves to the next
setting.
Page 103 of 237

Instruments and controls101
◆Unit1 : Great Britain
◆ Unit2 : United States
◆ Unit3 : Europe
■ Tire Pressure System : 3 189
■ Remaining Oil Life : 3 90
■ Speed Warning : If exceeding the
preset speed, a warning chime will
be activated
■ Language : Displayed language can
be changed if the vehicle is not
equipped with a radio
Selection and indication can be
different between Midlevel- and
Uplevel-Display.
Trip/Fuel Information Menu Press the MENU button to select the
Trip/Fuel Information Menu .
Turn the adjuster wheel to select one
of the submenus:
■ Trip odometer 1
■ Trip odometer 2
■ Digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Display.
Selection and indication can be
different between Midlevel- and
Uplevel-Display.
On vehicles with trip computer more
submenus are available.
Trip/Fuel Information Menu, Trip
Computer 3 107.
Graphic-Info-Display,
Colour-Info-Display Depending on the vehicle
configuration the vehicle has a
Graphic- or Colour-Info-Display. The
Info-Display is located in the
instrument panel above the
Infotainment system.
Graphic-Info-Display
Depending on the Infotainment
system, the Graphic-Info-Display is
available in two versions.
Page 104 of 237
102Instruments and controls
Graphic-Info-Display indicates:■ time 3 85
■ outside temperature 3 85
■ date 3 85
■ Infotainment system, see description for Infotainment systemin the Infotainment system manual
■ settings for vehicle personalisation 3 109
Colour-Info-Display
The Colour-Info-Display indicates in
colour:
■ time 3 85
■ outside temperature 3 85
■ date 3 85
■ Infotainment system, see description for Infotainment systemin the Infotainment system manual
■ navigation, see description for Infotainment system in the
Infotainment system manual
■ system settings
■ vehicle messages 3 103
■ settings for vehicle personalisation 3 109
The type of information and how it is
displayed depends on the equipment
of the vehicle and the settings made.
Selecting menus and settings
Menus and settings are accessed via the display.
Selections are made via:
■ menus
■ function buttons and multifunction knob of the Infotainment system
Page 105 of 237

Instruments and controls103
Selecting with the Infotainment
system
Select a function via the Infotainment
system buttons. The menu of the
selected function is displayed.
The multifunction knob is used to
select an item and to confirm.
Multifunction knob
The multifunction knob is the central control element for the menus:
Turn
■ To mark a menu option
■ To set a numeric value or to display
a menu option
Press (the outer ring)
■ To select or activate the marked option
■ To confirm a set value
■ To switch a system function on/off
BACK button
Press button to: ■ exit a menu without changing settings
■ return from a submenu to a higher menu level
■ delete the last character in a character sequence
Press and hold the button for a few
seconds to delete the entire entry.
Vehicle personalisation 3 109,
Memorised settings 3 21.Vehicle messages
Messages are indicated mainly in the
Driver Information Centre (DIC), in
some cases together with a warning and signal buzzer.
Press the SET/CLR button, the
MENU button or turn the adjuster
wheel to confirm a message.
Page 111 of 237

Instruments and controls109Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 21.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings in the
Graphic-Info-Display
CD 300/CD 400/CD400plus
Press the CONFIG button. The menu
Settings is displayed.
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Languages
■ Time Date
■ Radio settings
■ Phone settings
■ Vehicle settings
In the corresponding submenus the
following settings can be changed:
Languages
Selection of the desired language.
Time Date
See Clock 3 85.
Radio settings
See description for Infotainment
system in the Infotainment system
manual.
Phone settings
See description for Infotainment
system in the Infotainment system
manual.
Page 112 of 237

110Instruments and controls
Vehicle settings
■Climate and air quality
Auto fan speed : Modifies the level
of the cabin airflow of the climate
control in automatic mode.
Climate control mode : Controls the
state of the cooling compressor
when the vehicle is started. Last
setting (recommended) or at
vehicle start either always ON or
always OFF.
Auto rear demist : Activates
automatically rear heated window.
■ Comfort settings
Chime volume : Changes the
volume of warning chimes.
Personalization by driver : Activates
or deactivates the personalisation
function.
Rear auto wipe in reverse :
Activates or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.
■ Park assist / Collision detection
Park assist : Activates or
deactivates the ultrasonic parking
assist.
■ Exterior ambient lighting
Duration upon exit of vehicle :
Activates or deactivates and
changes the duration of exit
lighting.
Exterior lighting by unlocking :
Activates or deactivates the
welcome lighting.
■ Remote locking, unlocking, starting
Remote door unlock : Changes the
configuration to unlock only the
driver's door or the whole vehicle
whilst unlocking.
■ Restore factory settings
Restore factory settings : Resets all
settings to the default settings.
Settings in the Colour-Info-
Display CD 600/Navi 650/Navi 950
Press the CONFIG button on the
Infotainment system faceplate to
enter the Configuration menu.