Page 99 of 273

Instruments and controls97AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start. Up to 10 l of AdBlue can
be added.
AdBlue 3 139.
Deflation detection system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss in one or more
wheels. Stop immediately and check
tyre pressure.
Flashes Fault in system. Consult a workshop.
Deflation detection system 3 219.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and / or
locking of the drive wheels.
1. Select neutral gear.
2. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
3. Switch off ignition.
9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is stationary, otherwise the steering
wheel lock could engage
unexpectedly.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 190.
Bleeding the diesel fuel system
3 205.
Autostop D illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system 3 135.
Exterior light 8 illuminates green.
The exterior lights are on 3 109.
Page 105 of 273

Instruments and controls103Press X to switch on the display.
Press SET to select system settings
(units, language, time and date).
Press Í to select vehicle settings or
driving functions.
Touch required menu display icon or a function with the finger.
Confirm a required function or
selection by touching.
Touch r on the display to exit a
menu without changing a setting.
For further information, see
Infotainment manual.Speech recognition
Description see Infotainment manual.
Vehicle personalisation 3 104.
Vehicle messages
Messages are indicated in the Driver
Information Centre, in some cases
together with a warning chime.
Press SET / CLR 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
Info Display. Some messages only
pop-up for a few seconds.
Warning chimes
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
When starting the engine or whilst driving
A warning chime will sound when ● a seat belt is not fastened
● a door or the tailgate is not fully closed
● a certain speed is exceeded with
parking brake applied
● cruise control deactivates automatically
● a programmed speed or speed limit is exceeded
● Ia warning message appears in the Driver Information Centre
Page 106 of 273

104Instruments and controls● the electronic key is not in thepassenger compartment
● the parking assist detects an object
● an unintended lane change occurs
● the exhaust filter has reached the
maximum filling level
If several warnings appear at the
same time, only one warning chime
will sound
When the vehicle is parked and /
or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
● If any condition for a restart of the
engine is not fulfilled.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings
in the Info Display.
Depending on vehicle equipment and country-specific regulations some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Graphic Info Display
Press MENU to open the menu page.
Use four-way button to operate the
display:
Select ˆ Personalisation-
configuration I OK .
Unit settings
Select Display configuration I OK .
Select Choise of units I OK .
Select desired settings I OK .
Language settings
Select Display configuration I OK .
Select Choise of language I OK .
Select desired language I OK .
Vehicle settings
Select Define vehicle parameters I
OK .
In the corresponding submenus the
following settings can be changed:
● Lighting
Follow me home headlamps :
Activation and setting duration
time.
Welcome lighting : Activation and
setting duration time.
● Comfort
Ambient lighting : Activation /
deactivation.
Page 112 of 273

110LightingTail lightsTail lights are illuminated together
with low / high beam and sidelights.
Automatic light control
When the automatic light control
function is switched on and the
engine is running, the system
switches between daytime running
lights and headlights automatically
depending on the external lighting
conditions and information given by
the wiper system.
Make sure the sensor is not blocked
3 10, 3 39.
Daytime running light 3 111.
Automatic headlight activation During poor lighting conditions the
headlights are switched on.
Additionally, headlights are switched
on if the windscreen wipers have
been activated for several wipes.
Tunnel detection
When a tunnel is entered, headlights
are switched on immediately.
High beam
Push to switch from low to high beam.
Pull to deactivate high beam.
High beam assist 3 111.
Headlight flash
Pull to activate the headlight flash.
Pull to deactivate high beam.
Headlight range adjustment
Manual headlight range
adjustment
Headlight range can be adjusted
manually if vehicle is equipped with
halogen headlights. LED headlights
are adjusted automatically.
Page 113 of 273

Lighting111
To adapt headlight range to the
vehicle load to prevent dazzling, turn
thumb wheel ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment laden
Headlights when driving
abroad
When driving in countries where
traffic drives on the opposite side of
the road, the headlights do not have
to be adjusted.
Daytime running lights
Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
when the engine is running.
The system switches between
daytime running lights and low beam automatically, depending on the
lighting conditions.
LED headlights
LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of the adaptive forward lighting
functions.
Light distribution and intensity of light
are variably triggered depending on the lighting conditions, road type and
driving situation. The vehicle adapts
the headlights automatically to the
situation to enable optimal light
performance for the driver.
Some adaptive forward lighting
functions of the LED headlights can
be deactivated or activated in thevehicle personalisation menu. Select
the relevant setting in Settings I
Vehicle in the Info Display.
Vehicle personalisation 3 104.
The lighting functions are only
available with light switch in position
AUTO .
Country light
Activated automatically at a speed
between 55 km/h and 115 km/h when driving in rural areas. The illumination
of the current lane and the side of the road is improved. Oncoming and
preceding vehicles are not dazzled.
Page 121 of 273

Climate control119Climate controlClimate control systems.............119
Heating and ventilation system 119
Air conditioning system ...........120
Electronic climate control system .................................... 123
Auxiliary heater ........................127
Air vents ..................................... 127
Adjustable air vents .................127
Fixed air vents ......................... 128
Glovebox cooler ......................128
Maintenance .............................. 128
Air intake ................................. 128
Air conditioning regular
operation ................................ 129
Service .................................... 129Climate control systems
Heating and ventilation system
Controls for: ● temperature £
● air distribution l, M and K
● fan speed Z
● demisting and defrosting à
● heated rear window and exterior mirrors b
● heated seats ß
Heated rear window b 3 41.
Heated exterior mirrors b 3 38.
Heated seats ß 3 51.
Temperature
Adjust the temperature by turning £ to the desired temperature.red area:warmerblue area:colder
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 turning Z to the
desired speed.
clockwise:increaseanticlockwise:decrease
Page 123 of 273

Climate control121Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl: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 turning Z to the
desired speed.
clockwise:increaseanticlockwise:decreaseCooling 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 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.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
Activated cooling may inhibit
Autostops.
Stop-start system 3 135.
Air recirculation system
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press 4 again to deactivate air
recirculation mode.
9 Warning
The exchange of fresh air is
reduced in air recirculation mode.
In operation without cooling the air
Page 124 of 273

122Climate controlhumidity increases, so the
windows may mist up from inside.
The quality of the passenger
compartment air deteriorates,
which may cause the vehicle
occupants to feel drowsy.
In warm and very humid ambient air
conditions, the windscreen may mist
up from outside when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate l.
Maximum cooling
Briefly open the windows so that hot
air can disperse quickly.
● Switch on cooling A/C.
● Press 4 for air recirculation
system on.
● Press M for air distribution.
● Set temperature control £ to
coldest level.
● Set fan speed Z to highest level.
● Open all vents.
Heated rear window, windscreen and exterior mirrors b 3 41.
Heated seats ß 3 51.
Demisting and defrosting the
windows● Press à: the air distribution is
directed towards the windscreen.
● Set temperature controller £ to
warmest level.
● Switch on cooling A/C, if
required.
● Set fan speed Z to highest level.
● Switch on heated rear window b.
● Switch on heated windscreen ,.
● Open side air vents as required and direct them towards the doorwindows.
Note
If à is pressed while the engine is
running, an Autostop will be inhibited until à is pressed again.
If à is pressed while the engine is in
an Autostop, the engine will restart
automatically.
Stop-start system 3 135.