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66Instruments and controls
●When the ignition is switched on,
a in the instrument cluster and
the symbol for the respective
seat in the roof console comes
on, if the seat belt of any
occupied seat has not been
fastened.
● After driving off, a in the
instrument cluster and the
symbol for the respective seat in
the roof console flashes for a
certain time together with a
chime. After a certain time of
driving a illuminates constantly
until the seat belt of the
respective seat has been
fastened or if any passenger has
unfastened the seat belt.
Seat belts 3 31.
Airbag and belt tensioners d illuminates red.
When the ignition is switched on, the
control indicator illuminates for some
seconds. If it does not illuminate,
does not extinguish after some
seconds or illuminates whilst driving,
there is a fault in the airbag system.
Seek the assistance of a workshop.
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 d.9Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners 3 31.
Airbag system 3 33.
Airbag deactivation
H ON illuminates yellow.
The front passenger airbag is
activated.
g OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 38.
Charging system
S illuminates red.
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Instruments and controls67Illuminates 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 W 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 catalyticconverter damage. Ease up on the accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Service vehicle soon
C 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
+ 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 X 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 systemh illuminates red.
The brake and clutch fluid level is too
low.
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68Instruments and controls9Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake fluid 3 165.
Parking brake j illuminates red.
Illuminates when the parking brake is
applied and ignition is switched on
3 114.
Electric parking brake j illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 114.
Flashes
Electric parking brake is not applied
automatically. The application or the
release are faulty.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Electric parking brake fault
k illuminates yellow.
Illuminates
Electric parking brake has a fault
3 114.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Automatic operation of
electric parking brake off
o illuminates yellow.
Illuminates Automatic operation is deactivated or
faulty. In the event of a fault, o
illuminates together with other control
indicators or it is accompanied by a
corresponding message in the Driver
Information Centre.
Activate automatic operation again or have the cause remedied by a
workshop in the event of a fault.
Automatic operation 3 114.
Antilock brake system (ABS)
i illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it
illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 114.
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Instruments and controls69Gear shifting
Y with the number of a higher gear
is indicated, when upshifting is
recommended for fuel saving
reasons.
On vehicles with automatic
transmission, the system is only
active in manual mode.
Manual mode 3 111.
Lane keep assist
L illuminates or flashes yellow.
Illuminates yellow The system is deactivated or a fault
has been detected.
Flashes yellow The system is correcting the
unintended lane change.
Lane keep assist 3 151.
Electronic Stability Control
and Traction Control system
J 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.
After reconnecting the vehicle
battery, (e.g. after maintenance
work), J is illuminated for several
seconds. After this time period, J
extinguishes. This is a normal
procedure, the vehicle does not need
any assistance.
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 3 117.
Engine coolant temperature 2 illuminates red.Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 164.
If there is sufficient coolant, consult a workshop.
Preheating
z illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Starting the engine 3 100.
Exhaust filter t illuminates yellow.
The exhaust filter requires cleaning.
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70Instruments and controlsContinue 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 40 mph.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter 3 105.
AdBlue
u flashes or illuminates yellow.
Illuminates yellow The remaining driving range is
between 500 miles and 1500 miles.
Flashes yellow The remaining driving range is
between 0 and 500 miles.AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start. Up to 13 l of AdBlue can
be added.
AdBlue 3 106.
Deflation detection system q 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 3 179.
Engine oil pressure
T 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.
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Instruments and controls719Warning
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 2 illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 156.
Bleeding the diesel fuel system
3 168.
Autostop n 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 3 102.
Exterior light
F illuminates green.
The exterior lights are on 3 79.
Low beam D illuminates green.
Illuminated when low beam is on.
High beam
A illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 80.
High beam assist
B illuminates green.The high beam assist is activated
3 82.
LED headlights C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
G illuminates green.
The front fog lights are on 3 84.
Rear fog light H illuminates yellow.
The rear fog light is on 3 85.
Rain sensor y illuminates green.
Illuminated when rain sensor position on wiper lever is selected.
Windscreen wiper and washer 3 55.
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72Instruments and controlsActive emergency brakingm illuminates or flashes yellow.
Illuminates
The system has been deactivated or
a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.
Check the reason of the deactivation
3 131 and in case of a system fault,
seek the assistance of a workshop.
Notice
m also illuminates if the seat belts
of the front passengers are not
fastened. In this case, active
emergency braking is deactivated.
Flashes
The system is actively engaged. Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 134.
Front pedestrian protection 3 136.Door open
P illuminates red.
A door or the tailgate is open.Displays
Driver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages
● driver assistance messages
● pop-up messages
Selecting menus and functions The menus and functions can be
selected via the buttons on the
indicator lever.
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Instruments and controls73
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET / CLR to confirm or reset
a function.
Vehicle and service messages are
popped up in the Driver Information
Centre, if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET / CLR .
Vehicle messages 3 75.
Trip / fuel information menu
Differerent pages with combined
information can be selected.
Turn the adjuster wheel to select a
page.
Information page:
Fuel range
Range is calculated from current fuel
level and current consumption. The
display shows average values.
After refuelling, the range is updated
automatically after a brief delay.
When the fuel level is low, a message appears on the display and the
control indicator 2 in the fuel gauge
illuminates 3 71.
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 speed