Page 119 of 317

Instruments and controls117Vehicle and service messages are
popped up in the Driver Information
Centre if required. Confirm messages
by pressing SET/CLR. Vehicle
messages 3 124.
Uplevel display
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.
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.
Selecting 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 3 124.
Page 126 of 317

124Instruments and controlsVehicle messagesMessages are indicated in the Driver
Information Centre, in some cases
together with a warning and signal
chime.
On Midlevel display press SET/CLR
on the turn signal 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
Colour-Info-Display
Some important messages may
appear additionally in the
Colour-Info-Display. Some
messages only pop-up for a few
seconds.
Warning chimes
When starting the engine or whilstdriving
Only one warning chime will sound at a time.
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.
● If the parking assist detects an object.
Page 144 of 317
142Lighting
The illustrations show different
versions.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn lightslever up:right turn signallever down:left turn signal
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.
Activate temporary flashing by
holding the lever just before the
resistance point. Turning lights will
flash until lever is being released.
To activate three flashes, tap the
lever briefly without passing the
resistance point.
With a trailer connected, turn signal
flashes six times and tone frequency
changes when pressing the lever until
resistance is felt and then releasing.
Front fog lights
Operated by pressing >.
Page 149 of 317

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
Pollen filter ............................... 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 317

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. The
LED in the button illuminates to
indicate activation. 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 317
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 setting for 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 3 125.
Temperature preselection
Page 161 of 317

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
operable3:engine start: Release key after
starting procedure beginsSteering 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
six seconds without operating clutch
or brake pedal. The green LED in the button illuminates, diesel engine is
preheating. Control indicators
illuminate and most electrical
functions are operable.Engine start
Operate clutch pedal (manual
transmission) or brake pedal
(automatic transmission or manual
transmission automated) and press
Engine Start/Stop once more.
Release button after starting
procedure begins.Ignition off
Press Engine Start/Stop briefly in
each mode or when engine is running and vehicle is stationary. Some
Page 162 of 317

160Driving and operatingfunctions remain active until driver's
door is opened, provided the ignition
was on previously.Emergency shut off during driving
Press Engine Start/Stop for longer
than two seconds or press twice
briefly within five seconds 3 161.
Steering wheel lock
The steering wheel lock activates
automatically when:
● The vehicle is stationary.
● The ignition has been switched off.
● The driver's door is opened.
To release steering wheel lock, open
and close driver's door and switch on accessory mode or start the engine
directly.
9 Warning
If the vehicle battery is discharged,
the vehicle must not be towed,
tow-started or jump-started as the
steering wheel lock cannot be
disengaged.
Operation on vehicles with
electronic key system in case of
failure
If either the electronic key fails or the
battery of the electronic key is weak,
the Driver Information Centre may
display No Remote Detected or
Replace Battery in Remote Key when
you try to start the vehicle.
Place the electronic key solely
centred in the transmitter area in
longitudinal direction flat with buttons
upside as shown in the illustration.
Other objects, e.g. other keys,
transponder, tags, coins etc. must be removed from the centre console.
Depress the clutch pedal (manual
transmission) or the brake pedal
(automatic transmission or manual
transmission automated) and press
Engine Start/Stop .
To switch off the engine, press
Engine Start/Stop again. Remove the
electronic key from the centre
console.
This option is intended for
emergencies only. Replace the
electronic key battery as soon as
possible 3 22.
For unlocking or locking the doors,
see fault in radio remote control unit
or electronic key system 3 24.
Retained power off
The following electronic systems can
work until the driver's door is opened
or for ten minutes after the ignition is
switched off:
● power windows
● sunroof
● power outlets