Page 54 of 303
52Seats, restraintsThree-point seat beltFasten
Withdraw the belt from the retractor,
guide it untwisted across the body
and insert the latch plate into the
buckle. Tighten the lap belt regularly
whilst driving by pulling the shoulder
belt.
Loose or bulky clothing prevents the
belt from fitting snugly. Do not place
objects such as handbags or mobile
phones between the belt and your body.
9 Warning
The belt must not rest against hard
or fragile objects in the pockets of
your clothing.
Seat belt reminder X, k 3 97.
Unfasten
To release belt, press red button on
belt buckle.
Page 81 of 303
Instruments and controls79Controls
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
Driver Information Centre, some
driver assistance systems,
Infotainment system and a connected mobile phone can be operated via the
controls on the steering wheel.
The illustrations show different
versions.
Driver Information Centre 3 104.
Driver assistance systems 3 178.
Further information is available in the
Infotainment manual.
Page 88 of 303

86Instruments and controls
Two USB ports for charging devices
only are located in the back of the
centre console.
Note
The sockets must always be kept
clean and dry.
Inductive charging
9 Warning
Inductive charging can affect the
operation of implanted
pacemakers or other medical
devices. If applicable, seek
medical advice before using the
inductive charging device.
9 Warning
Remove any metal objects from
the charging device before
charging a mobile phone, as these
objects could become very hot.
To charge a device, the ignition must
be switched on.
The charging slot is located below the
front armrest.
To charge a mobile phone:
1. Remove all objects from the charging device.
2. Insert the mobile phone with the display facing to the rear in the
charging slot.
Charging status is indicated in the
Info display.
PMA or Qi compatible mobile phones can be charged inductively.
A back cover with an integrated coil
(e.g. Samsung 4 and 5) or a jacket
(e.g. some iPhone models) may be
required to charge a mobile phone.
The mobile phone must be smaller
than 8 cm in width and 15 cm in length
to fit into the charging device.
AshtraysCaution
To be used only for ash and not forcombustible rubbish.
Page 106 of 303

104Instruments and controlsInformation displaysDriver Information Centre The Driver Information Centre is
located in the instrument cluster.
Depending on the version and the
instrument cluster, the Driver
Information Centre is available as
Baselevel display, Midlevel display or Uplevel display.
Driver Information Centre indicates
depending on the equipment:
● overall and trip odometer
● vehicle information and settings
● trip/fuel information
● driving economic information
● driver assistance alerts
● warning messages
● audio and infotainment information
● phone information
● navigation informationBaselevel display
Depending on the version, the menu
pages of the Baselevel display are selected by pressing:
● MENU on the turn signal lever
or
● è and å on the steering wheel.
Main menu symbols are indicated in
the top line of the display:
● Trip/fuel information, displayed by ; , see description below.
● Vehicle information, displayed by ? , see description below.
● Eco information, displayed by @ , see description below.
Some of the displayed functions differ
when the vehicle is being driven or at a standstill. Some functions are only
available when the vehicle is being
driven.
Selecting menus and functionsTurn signal lever with MENU button
The menus and functions can be selected via the buttons on the turnsignal lever.
Press MENU to switch between the
main menus or to return from a
submenu to the next higher menu
level.
Page 107 of 303

Instruments and controls105Turn the adjuster wheel to select a
submenu of the main menu or to set a numeric value.
Press SET/CLR to select and confirm
a function.
Vehicle and service messages are
popped-up in the Driver Information Centre when required. Confirm
messages by pressing SET/CLR.
Vehicle messages 3 115.Steering wheel controls
The menus and functions can be selected via the buttons on the right
side of the steering wheel.Press è or é to switch between the
main menus or to return from a
submenu to the next higher menu
level.
Press å or ä to select a submenu of
the main menu or to set a numeric
value.
Press 9 to select and confirm a
function.
Vehicle and service messages are
popped-up in the Driver Information
Centre if required. Confirm messages by pressing 9. Vehicle messages
3 115.
Midlevel display Menu pages are selected by pressing
è and å on the steering wheel.
Main menus are:
● Trip/fuel information, displayed by Info , see description below.
● Audio information, displayed by Audio , see description below.
● Phone information, displayed by Phone , see description below.
● Navigation information, displayed by Navigation, see
description below.
● Vehicle information, displayed by
Options , see description below.
Page 108 of 303

106Instruments and controlsSome of the displayed functions differ
when the vehicle is being driven or at
a standstill and some functions are
only active when the vehicle is being
driven.
Selecting menus and functions
The menus and functions can be
selected via the buttons on the right
side of the steering wheel.
Press è to open main menu page.
Select a main menu page with ä or å.
Confirm a main menu page with 9.
Once a main menu page is selected, press ä or å to select subpages.
Press é to open a next folder of the
selected subpage.
Press ä or å to select functions or to
set a numeric value, if required.
Press 9 to select and confirm a
function.
Once a main menu page is selected, this selection remains stored until
another main menu page is selected.
Subpages are changed by pressing
å or ä.
Vehicle and service messages are
popped-up in the Driver Information
Centre if required. Confirm messages by pressing 9. Vehicle messages
3 115.
Uplevel display
Menu pages are selected by pressing è and å on the steering wheel.
Main menus are:
● Trip/fuel information, displayed by Info , see description below.
● Audio information, displayed by Audio , see description below.
● Phone information, displayed by Phone , see description below.
● Navigation information, displayed by Navigation, see
description below.
● Vehicle information, displayed by
Options , see description below.
Page 111 of 303

Instruments and controls109Eco information menu, @
● Top consumers
● Economy trend
● Eco index
On Mid- and Uplevel display the
pages Top Consumers, Economy
Trend and Eco index, are displayed in
the Trip/fuel information menu, select Info .
Top Consumers
List of top comfort consumers
currently switched on is displayed in
descending order. Fuel saving
potential is indicated.
During sporadic driving conditions,
the engine will activate the heated
rear window automatically to increase
the engine load. In this event, the
heated rear window is indicated as
one of the top consumers, without
activation by the driver.Economy Trend
Displays the average consumption
development over a distance of
50 km. Filled segments display the
consumption in 5 km steps and shows the effect of topography or driving
behaviour on fuel consumption.
Economy index
The current fuel consumption is
indicated on an economic scale. For
economical driving, adapt driving
style to keep the filled segments
within the Eco area. The more
segments are filled, the higher the
fuel consumption.
Simultaneously the average
consumption value is indicated.
Audio menu
Audio menu enables browsing for
music, selecting from favourites or
changing the audio source.
See Infotainment manual.
Phone menu
Phone menu enables managing and performing of phone calls, scrolling
through contacts or operating
handsfree phoning.
See Infotainment manual.
Navigation menu
Navigation menu enables route
guidance.
See Infotainment manual.
Vehicle information menu, ? or
Options
The following list contains all possible Options Menu pages. Some may notbe available for your particular
vehicle. Depending on the display
some functions are symbolised.
Page 115 of 303

Instruments and controls113For more information, see
Infotainment manual.
Head-up display The Head-up display (HUD) displays
driver information concerning the
instrument cluster onto the
windscreen on the driver's side.
The information appears as an image
projected from a lense in the
instrument panel onto the windscreen
directly ahead in driver's view. The
image appears focused out toward
the front of the vehicle.
Depending on the equipment Head-
up display can indicate:
● general driving information
● alerts from driver assistance systems
● automatic transmission selector lever position
● gear shift indication
● audio/phone information
● turn-by-turn navigation information if equipped with
navigation infotainment.
There are three controls above the
light switch to operate the Head-up
display.
Display views
Different views are selectable in the
Head-up display by pressing /
button. Each press will change the display view.Speed view
Indicates
● speedometer: digital indication of
speed
● traffic signs: indication of speed limits
Performance View
Indicates
● speedometer: digital indication of
speed
● tachometer: engine speed in round per minute
● automatic transmission: selector lever position