Page 117 of 311

Instruments and controls115Main menu
Main menus are:
● 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 and some functions are
only active when the vehicle is being
driven.
Uplevel displaySelecting menus and functions
The menus and functions can be
selected via the buttons on the right
side in the steering wheel.
● Press p to open main menu page.
● Select a main menu page with Q or P.
● Confirm a main menu page with 9.
Once a main menu page is selected,
press Q or P to select subpages.
● Press q to open a next folder of
the selected subpage.
● Press Q or P to select functions
or to set a numeric value, if
required.
● Press 9 to select and confirm a
function.
Vehicle and service messages pop-
up in the Driver Information Centre
when required.
Confirm messages by pressing 9.
Vehicle messages 3 122.
Main menu
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 124 of 311

122Instruments and controlsVehicle messagesMessages are indicated in the Driver
Information Centre, in some cases
together with a warning chime.
On Midlevel display press SET/CLR
on the indicator lever to confirm a
message.
On Uplevel display press 9 on the
steering wheel to confirm a message.
Vehicle and service messages
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages in the Info Display
Some important messages may
appear additionally in the
Info Display. Some messages only
pop-up for a few seconds.
Warning chimes
If several warnings appear at the
same time, only one warning chime
will sound.
When starting the engine or whilst driving
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If adaptive cruise control deactivates automatically.
● If approaching a vehicle ahead too closely.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
Page 143 of 311
Lighting141Fault in LED headlight system
When the system detects a failure in
the LED headlight system, it selects a preset position to avoid dazzling of
oncoming traffic. A warning is
displayed in the Driver Information
Centre.
Hazard warning flashers
Operated by pressing ¨.
The illustrations show different
versions.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn lightsup:right turn lightdown:left turn light
A resistance point can be felt when
moving the lever.
Constant flashing is activated when
the lever is being moved beyond the
resistance point. It is deactivated
when the steering wheel is moved in
the opposite direction or lever is
manually moved back to its neutral
position.
Page 148 of 311
146LightingTo prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
● auxiliary heater
● heated rear window and mirrors ● heated steering wheel
● heated mirrors
● heated seats
● fan
In the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre.
Switching off electric lights To prevent discharge of the vehicle
battery when the ignition is switched off, some interior lights are switched
off automatically after some time.
Page 149 of 311

Climate control147Climate controlClimate control systems.............147
Heating and ventilation system 147
Air conditioning system ...........148
Electronic climate control system .................................... 150
Auxiliary heater ........................155
Air vents ..................................... 155
Adjustable air vents .................155
Fixed air vents ......................... 155
Maintenance .............................. 156
Air intake ................................. 156
Air conditioning regular operation ................................ 156
Service .................................... 156Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution l, M and K
● fan speed Z
● demisting and defrosting V
Heated rear window Ü 3 43.
Heated exterior mirrors Ü 3 40.
Heated seats ß 3 54.
Heated steering wheel * 3 92.
Temperaturered:warmblue:cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed Adjust the air flow by switching the fan
to the desired speed.
Page 150 of 311

148Climate controlDemisting and defrosting
●Press V: the air distribution is
directed towards the windscreen.
● Set temperature control to warmest level.
● Set fan speed to highest level.
● Switch on heated rear window Ü.
● Open side air vents as required and direct them towards the doorwindows.
Air conditioning system
Controls for:
● temperature
● air distribution l, M and K
● fan speed Z
● demisting and defrosting V
A/C:cooling4:air recirculationÜ:heated rear window
Heated rear window Ü 3 43.
Heated exterior mirrors Ü 3 40.
Heated seats ß 3 54.
Ventilated seats A 3 54.
Heated steering wheel A 3 92.
Cooling A/C
Press A/C to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) as soon as the
outside temperature is slightly above the freezing point. Therefore
condensation may form and drip from under the vehicle.
Page 153 of 311
Climate control151Heated exterior mirrors Ü 3 40.
Heated seats ß 3 54.
Ventilated seats A 3 54.
Heated steering wheel A 3 92.
Each change of settings is shown in
the Info Display for a few seconds.
The electronic climate control system
is only fully operational when the
engine is running.
Automatic mode AUTO
Basic settings for automatic control
with maximum comfort:
● Press AUTO, the air distribution
and fan speed are regulated
automatically.
● Open all air vents to allow optimised air distribution in
automatic mode.
● Press A/C to switch on optimal
cooling and demisting. The LED in the button illuminates to
indicate activation.
● Set the preselected temperatures for driver and front
passenger using the left and right
rotary knob. Recommended
temperature is 22 °C.
The fan speed regulation in automatic mode can be changed in the Settings menu.
Vehicle personalisation 3 123.
Temperature preselection
Page 161 of 311

Driving and operating1590:ignition off: Some functions
remain active until key is
removed or driver's door is
opened, provided the ignition was
on previously1:accessory power mode: Steering wheel lock released, some
electrical functions are operable,
ignition is off2:ignition on power mode: Ignition
is on, diesel engine is preheating.
Control indicators illuminate and
most electrical functions are
operable. To turn the key from
position 2 to 1 or 0, first push the
key all the way in towards the steering column.3:engine start: Release key after
starting procedure begins
Steering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.
9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
Electronic key must be inside the
vehicle.
Accessory power mode
Press Engine Start/Stop once without
operating clutch or brake pedal. The yellow LED in the button illuminates.
Steering wheel lock is released and
some electrical functions are
operable, ignition is off.Ignition on power mode
Press and hold Engine Start/Stop for
6 seconds without operating clutch or brake pedal. The green LED in the
button illuminates, diesel engine is