106Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine. Vehiclebattery 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.Flashes when the engine is
running
Fault that could lead to catalytic converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon H illuminates yellow.
Illuminates briefly when the ignition is
switched on.
May illuminate together with other
control indicators and a
corresponding message in the Driver
Information Centre.
Seek the assistance of a workshop
immediately.
Stop engine
Y illuminates red.
Illuminates briefly when the ignition is switched on.Illuminates together with other control
indicators, accompanied by a warning chime and a corresponding message
in the Driver Information Centre.
Stop engine immediately and seek
the assistance of a workshop.
System check J illuminates yellow or red.
Illuminates yellow A minor engine fault has been
detected.
Illuminates red A major engine fault has been
detected.
Stop engine as soon as possible and
seek the assistance of a workshop.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too
low.
108Instruments and controlsIluminates greenThe system is switched on and ready
to operate.
Flashes green
The system is in operation.
Lane keep assist a illuminates green or yellow, or
flashes yellow.
Illuminates green
The system is switched on and ready to operate.
Illuminates yellow
The system approaches a detected
lane marking without using the turn
light in that direction.
Flashes yellow The system recognizes that the lane
is departed significantly.
Lane keep assist 3 198.Electronic Stability Control
and 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 3 164.
Selective ride control 3 167.
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
3 214.
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.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Instruments and controls109Illuminates temporarilyStart 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 constantly Indication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 152.
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 3 153.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 3 231.
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.
Check engine oil level before seeking
the assistance of a workshop 3 213.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
110Instruments and controlsBleeding the diesel fuel system
3 217.
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 3 148.
Exterior light 8 illuminates green.
The exterior lights are on 3 122.
High beam
C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 123.Low beam
9 illuminates green.
Illuminated when low beam is on.
High beam assist f illuminates green.
The high beam assist is activated
3 123.
LED headlights H 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 3 126.
Rear fog light r illuminates yellow.
The rear fog light is on 3 126.Rain sensor
< illuminates green.
Illuminated when rain sensor position on wiper stalk is selected.
Cruise control
m illuminates white or green.
Illuminates white
The system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 169.
Adaptive cruise control
m illuminates white or green.
C illuminates in the Driver
Information Centre.
m illuminates white
The system is on.
114Instruments and controlsWhen the level in the fuel tank is low,
a message appears on the display
and the control indicator o in the fuel
gauge illuminates 3 109.
Instantaneous Fuel Consumption
Display of the instantaneous
consumption.
Trip 1 page:
Average speed
Display 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
1 since the reset.
The values of trip 1 page can be reset
by pressing SET/CLR for a few
seconds.
Trip 2 page:
Average speedDisplay 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 M or 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.
3 153.
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
118Instruments and controlsVehicle messagesMessages 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.
Climate control133● 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 3 148.
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.
Climate control135Note
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 3 148.
Stop-start system 3 148.
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.