Page 110 of 283

108Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 218.
If there is sufficient coolant, consult a workshop.
Preheating
! illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Exhaust filter
% or C illuminates yellow,
accompanied by a message in the
Driver Information Centre.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed of at least 60 km/h.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 154.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow The remaining driving range is
between 800 km and 2400 km.
Flashes yellow The remaining driving range is
between 0 km and 800 km.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start.AdBlue 3 155.
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 3 235.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts.
Page 111 of 283

Instruments and controls109Illuminates 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 3 207.
Bleeding the diesel fuel system
3 221.
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 3 150.
Exterior light 8 illuminates green.
The exterior lights are on 3 124.High beam
C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 125.
Low beam
9 illuminates green.
Illuminated when low beam is on.
High beam assist
f illuminates green.
The high beam assist is activated
3 125.
LED headlights
C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
> illuminates green.
The front fog lights are on 3 128.
Page 119 of 283

Instruments and controls117Selecting a view
Select the standard rear view or
passenger side view by pressing the
p on the bottom side.
Close rear view is automatically
activated when reverse gear is
engaged.
Switching off
Press m.
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
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 a seat belt is not fastened.
● If a door or the tailgate is not fully
closed.
● If a certain speed is exceeded with parking brake applied.
● If cruise control deactivates automatically.
● If a programmed speed or speed
limit is exceeded.
Page 120 of 283

118Instruments and controls● If a warning message appears inthe Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the exhaust filter has reached the maximum filling level.
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 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:
● Lamps
Follow me home headlamps :
Activates or deactivates the
function and adjusts its duration.
Welcome lighting : Activates or
deactivates the function and
adjusts its duration.
Directional headlights : Activates
or deactivates the function.
Page 127 of 283

Lighting125Tail 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 42.
Daytime running light 3 127.
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 beamPush lever to switch from low to high
beam.
Pull lever to deactivate high beam.
High beam assist This feature automatically activates
the high beam at night when vehicle
is faster than 25 km/h.
It switches automatically back to low
beam when:
● A sensor detects the lights of oncoming or preceding vehicles.
● Driving in urban areas.
● The vehicle is slower than 15 km/h.
● It is foggy or snowy.
● Front or rear fog lights are switched on.
If there are no restrictions detected,
the system switches back to high
beam.
Page 129 of 283

Lighting127Headlight range adjustment
Manual headlight range
adjustment
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 ladenHeadlights 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.Hazard warning flashers
Hazard warning flashers are switched
on automatically in the following
situations:
● Braking in an emergency (depending on the force of
deceleration).
● In the event of an accident.
They are switched off the first time
you accelerate or if you press ¨.
Page 135 of 283

Climate control133Climate controlClimate control systems.............133
Heating and ventilation system 133
Air conditioning system ...........134
Electronic climate control system .................................... 137
Parking heater ......................... 141
Air vents ..................................... 143
Adjustable air vents .................143
Fixed air vents ......................... 144
Maintenance .............................. 144
Air intake ................................. 144
Air conditioning regular operation ................................ 144
Service .................................... 144Climate control systems
Heating and ventilation system
Controls for: ● temperature n
● air distribution l, M and K
● fan speed Z
● air recirculation u
● heated rear window and exterior mirrors e
● heated seats ß
Heated rear window e 3 44.
Heated exterior mirrors e 3 40.
Heated seats ß 3 52.
Temperature
Adjust the temperature by turning n
to the desired temperature.HI:warmLO: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 turning x to the
desired speed.
Page 137 of 283

Climate control135● cooling A/C
● air recirculation q
● heated rear window and exterior mirrors e
Heated rear window e 3 44.
Heated exterior mirrors e 3 40.
Temperature n
Adjust the temperature by turning n
to the desired temperature.HI:warmLO:cold
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Air distribution l,
M ,
K
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well
All combinations are possible.
Fan speed x
Adjust the air flow by turning x to the
desired speed.clockwise:increaseanticlockwise:decrease
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 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 3 150.
Air recirculation system q
Press u to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press u again to deactivate air
recirculation mode.