Page 23 of 297

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.
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 you switch on the
ignition.
Memorised settings Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
■ Lighting
■ Infotainment system
■ Central locking system
■ Sport mode settings
■ Comfort settingsThe saved settings are automatically
used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 158.
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 3 128.
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.Notice
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.
Unlocking
Press button c.
Two settings are selectable: ■ To unlock only the driver's door, load compartment and fuel filler
flap, press button c once. To unlock
all doors, press button c twice
Page 96 of 297
94Instruments and controlsInstruments and
controlsControls ....................................... 94
Warning lights, gauges and indi‐
cators ......................................... 102
Information displays ...................115
Vehicle messages ...................... 121
Trip computer ............................. 125
Vehicle personalisation ..............128Controls
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, some driver assistance systems and a connected
mobile phone can be operated via the
controls on the steering wheel.
Further information is available in the
Infotainment system manual.
Driver assistance systems 3 177.
Page 102 of 297
100Instruments and controls
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.
Adjust all settings.
Set date
To adjust the time settings, select the Set Date 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.
Adjust all settings.
Time format
To choose the desired time format, select 12 hr / 24 hr Format . Activate
12 Hour or 24 Hour .
Vehicle personalisation 3 128.Power outlets
A 12 Volt power outlet is located in the
front console. Fold the cover
downwards.
Page 121 of 297

Instruments and controls119
■Top Consumers : List of top comfort
consumers currently switched on is displayed in descending order. Fuel
saving potential is indicated. A
switched-off consumer disappears
from the list and the consumption
value will be updated.
During sporadic driving conditions,
the engine will activate the heated
rear window automatically to
increase the engine load. In that
case, rear window heating is
indicated as one of the top
consumers, without activation by
the customer.■ Economy Trend : Displays the
average consumption development
over a distance of 50 miles. Filled
segments display the consumption
in 5 mile steps and shows the effect of topography or driving behaviour
on fuel consumption.
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 122 of 297
120Instruments and controls
Graphic-Info-Display indicates:■ time 3 99
■ outside temperature 3 98
■ date 3 99
■ Infotainment system, see description in the Infotainment
system manual
■ settings for vehicle personalisation 3 128
Colour-Info-Display
The Colour-Info-Display indicates in
colour:
■ time 3 99
■ outside temperature 3 98
■ date 3 99
■ Infotainment system, see description in the Infotainment
system manual
■ navigation, see description in the Infotainment system manual
■ rear view camera
■ system settings
■ vehicle messages 3 121
■ settings for vehicle personalisation 3 128
The type of information and how it is
displayed depends on the equipment
of the vehicle and the settings made.
Selecting menus and settingsMenus and settings are accessed via
the display.
Selections are made via:
■ menus
■ function buttons and multifunction knob of the Infotainment system
Page 123 of 297

Instruments and controls121
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 3 128.
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 131 of 297
Instruments and controls129
Press the CONFIG button. The menu
Settings is displayed.
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Sport mode settings
■ Languages
■ Time Date
■ Radio settings
■ Phone settings
■ Vehicle settings
In the corresponding submenus, the
following settings can be changed:
Sport mode settings
The driver can select the functions
which will be activated in Sport mode
3 175.
■ Sport suspension : Damping
becomes harder.
■ Sport powertrain performance :
Accelerator pedal and gear change
characteristics become more
responsive.■ Sport steering : Steering support is
reduced.
■ Swap backlight colour main instr. :
Change of instrument illumination
colour.
Languages
Selection of the desired language.
Time Date
See Clock 3 99.
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 134 of 297

132Instruments and controls
■Sport steering : Steering support is
reduced.
■ Swap backlight colour main instr. :
Change of instrument illumination
colour.
Languages
Selection of the desired language.
Time & Date
See Clock 3 99.
Radio settings
See description for Infotainment
system in the Infotainment system
manual.
Phone settings
See description for Infotainment
system in the Infotainment system
manual.
Navigation settings
See description for Infotainment
system in the Infotainment system
manual.Vehicle settings
■ Climate and air quality
Auto fan speed : Modifies the fan
regulation. Changed setting will be
active after switching the ignition off
and on again.
Climate control mode : Activates or
deactivates cooling when switching
on the ignition or uses the last
chosen setting.
Auto rear demist : Activates the
heated rear window automatically.
■ Comfort settings
Chime volume : Changes the
volume of warning chimes.
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.
Auto collision preparation :
Activates or deactivates the
automatic brake functionality of the