Page 97 of 283
Instruments and controls95Do not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlet by using
unsuitable plugs.
Stop-start system 3 149.
USB ports
A USB port is located in the
instrument panel next to the Info Display.
A USB port may be located within the
compartment located above the
glovebox.
A further USB port may be located in
the rear console.
The USB ports are prepared for
charging external devices and
provide a data connection to the
Infotainment system. For further
information, see Infotainment
manual.
Note
The sockets must always be kept
clean and dry.
Inductive charging9 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.
Page 106 of 283

104Instruments and controlsworkshop. The airbags and belt
pretensioners may fail to trigger in the
event of an accident.
Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 56.
Airbag system 3 59.
Airbag deactivation
Ó ON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 64.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective. Seek the assistance of a
workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fault in the emission control system.The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.
Page 109 of 283

Instruments and controls107Electronic Stability Controland Traction Control system
b illuminates or flashes yellow.
Illuminates
A fault in the system is present.
Continued driving is possible. Driving
stability, however, may deteriorate
depending on road surface
conditions.
Have the cause of the fault remedied
by a workshop.
Flashes
The system is actively engaged.
Engine output may be reduced and the vehicle may be braked
automatically to a small degree.
Electronic Stability Control and
Traction Control system 3 165.
Selective ride control 3 168.
Engine coolant temperature
o illuminates red.Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 216.
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 H 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 3 153.
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.
Page 110 of 283

108Instruments and controlsAdBlue 3 154.
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 3 233.
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. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. 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 steeringwheel 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 3 206.
Bleeding the diesel fuel system
3 219.
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 3 149.
Page 115 of 283

Instruments and controls113Display of average speed. The
measurement can be reset at any
time.
Average fuel consumption
Display of average consumption. The
measurement can be reset at any
time and starts with a default value.
Distance travelled
Displays the current distance for trip
2 since a certain reset.
The values of trip 2 page can be reset by pressing SET/CLR for a few
seconds.
Digital speed page
Digital display of the instantaneous
speed.
Stop and Start time counter
A time counter calculates the time
spent in STOP mode during a
journey. It resets to zero every time
the ignition is switched on.
Compass page
Displays the geographic direction of
driving.Blank page
No trip/fuel information is displayed.
AdBlue
Press CHECK repeatedly until the
AdBlue menu is shown.
AdBlue range
Indicates an estimate of the AdBlue
level. A message indicates whether
the level is sufficient or low.
3 154.
Info Display
The Info Display is located in the
instrument panel near the instrument cluster.
Depending on the vehicle
configuration the vehicle has a
● Graphic Info Display
or
● Colour Info Display with
touchscreen functionality
The Info Displays can indicate: ● time 3 94
● outside temperature 3 93● date 3 94
● Infotainment system, see description in the Infotainment
manual
● indication of rear view camera 3 199
● indication of panoramic view system 3 196
● indication of parking assist instructions 3 186
● navigation, see description in the
Infotainment manual
● vehicle and system messages 3 117
● settings for vehicle personalisation 3 118
Page 119 of 283

Instruments and controls117Vehicle 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.● 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.
● 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.
Battery voltage When the vehicle battery voltage isrunning low, a warning message will
appear in the Driver Information
Centre.
Page 136 of 283

134Climate control● cooling A/C
● air recirculation u
● heated rear window and exterior mirrors e
Heated rear window e3 43.
Heated exterior mirrors e3 39.
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 3 149.
Air recirculation system u
Press u to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Press u again to deactivate air
recirculation mode.
Page 138 of 283

136Climate controlNote
If the settings for demisting and
defrosting are selected, an
Autostop may be inhibited.
If the settings for demisting and
defrosting are selected while the
engine is in an Autostop, the engine
will restart automatically. Stop-start
system 3 149.
Stop-start system 3 149.
Electronic climate control system
The dual zone climate control allows
different temperatures for driver side
and front passenger side.
In automatic mode, temperature, fan
speed and air distribution are
regulated automatically.Controls for:
● manual air recirculation u
● air distribution w
● rocker switch for adjusting the temperature on driver side andfront passenger side
● demisting and defrosting h
● cooling A/C
● automatic mode AUTO
● dual zone temperature synchronisation MONO
● heated rear window and exterior mirrors e
● fan speed r s
Heated rear window Ü 3 43.
Heated exterior mirrors Ü 3 39.
Activated functions are indicated by the LED in the respective control.
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.