Instruments and controls93
Press button on end of wiper lever
repeatedly until the 'AdBlue
percentage remaining' menu is
displayed.
Level warnings
If the AdBlue level falls below a
certain value, a level warning will be displayed in the Driver Information
Centre 3 102. Additionally, control
indicator Y 3 100 illuminates
continuously together with a warning
chime.
Refill the AdBlue tank as soon as
possible.
AdBlue 3 139.
Fuel economy gauge
Depending on version, the fuel
economy gauge (or 'driving style
indicator') provides an instantaneous
calculation of fuel efficiency based on
current driving style.
The gauge uses colours to indicate
current fuel efficiency:
Green:best fuel economy is being achievedYellow:driving style too
aggressiveOrange:least efficient fuel
economyThe fuel economy gauge is enabled
by default.
Depending on version, the fuel
economy gauge (or 'driving style
indicator') can be disabled via the
Infotainment system. Refer to
Infotainment manual for further
information.
Service display When the ignition is switched on, theremaining distance before the next
service is due may be shown briefly in the Driver Information Centre. Based
on driving conditions, the interval at
which a service will be indicated can
vary considerably.
The 'distance before service' display
can also be shown by pressing button on end of wiper lever for approx.
five seconds.
When the remaining distance before
the next service is less than
1500 km or one month, a message
appears in the Driver Information
Centre.
94Instruments and controlsWhen the distance reaches 0 km or
the service date is due, control
indicator F illuminates in the
instrument cluster and the Driver
Information Centre respectively, and
a corresponding message appears in the Driver Information Centre.
The vehicle needs a service. Seek the
assistance of a workshop.
Resetting the service display
After a service, the service display must be reset:
Select the 'distance before service' display in the Driver Information
Centre by pressing button repeatedly
on the end of the wiper lever, then
press and hold button for approx.
ten seconds until the 'distance before
service' is displayed continuously, i.e. the display no longer flashes.
On some vehicles, it may be
necessary to press and hold the
button twice. In this event, proceed as follows:
After selecting the 'distance before
service' display, press and hold
button for approx. ten seconds until
the 'distance before service' flashes inthe display. Then press and hold
button again for approx. ten seconds
to reset the service interval.
If control indicator F does not
extinguish from the instrument
cluster, drive a minimum of 15 km then switch off ignition for at least
one minute before repeating
procedure.
Trip computer 3 105.
Driver Information Centre 3 102.
Service information 3 201.
Control indicators The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions.
Depending on the equipment the
position of the control indicators may
vary.
When the ignition is switched on,
most control indicators will illuminate
briefly as a functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
96Instruments and controlsControl indicators in the roof
console
Overview
OTurn signal 3 96XSeat belt reminder 3 97vAirbag and belt tensioners
3 97Ó ONAirbag activation 3 97* OFFAirbag deactivation 3 97pCharging system 3 98ZMalfunction indicator light
3 98FService vehicle soon 3 98CStop engine 3 98RBrake system 3 98uAntilock brake system (ABS)
3 99kjUpshift, downshift 3 99RElectronic Stability Program
3 99ØElectronic Stability Program
off 3 99WEngine coolant temperature
3 99!Preheating 3 100YAdBlue 3 100wTyre pressure monitoring
system 3 100IEngine oil pressure 3 100ECOFuel economy mode 3 101YLow fuel 3 101DAutostop (Stop-start system)
3 101\Autostop inhibited (Stop-
start system) 3 1019Exterior light 3 1018Exterior light 3 101CHigh beam 3 101>Fog light 3 101øRear fog light 3 101mCruise control 3 102UCruise control speed limiter
3 102&Tachograph 3 102yDoor open 3 102
Turn signal
O flashes green.
Flashes if a turn signal or the hazard
warning flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse.
An audible warning can be heard
when the turn signals are on.
Bulb replacement 3 173.
Instruments and controls97Fuses 3 179.
Turn signals 3 111.
Seat belt reminder X illuminates or flashes red.
If the seat belt is unfastened, control
indicator X will flash when vehicle
speed exceeds approx. 16 km/h. A
warning chime also sounds for up to
two minutes.
If the seat belt is fastened, the
indicator light extinguishes.
Note
Heavy objects on the front seats
may cause control indicator X to
illuminate. Remove the object from
the seat or fasten the seat belt.9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger
their fellow occupants and
themselves.
Three-point seat belts 3 56.
Airbag and belt tensioners
v illuminates yellow.
Illuminates briefly when the ignition is switched on.
If it does not illuminate or illuminates
whilst driving, there is a fault in the
belt tensioner or the airbag system.
The airbags and belt tensioners may
fail to trigger in the event of an
accident.
Deployment of the belt tensioners or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt tensioners, airbag system 3 55,
3 59.
Airbag deactivation Ó ON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated 3 64.
If both control indicators ÓON and
* OFF are illuminated
simultaneously, there is a system
failure. The status of the system is not discernible, therefore no person is
permitted to occupy the front
passenger seat. Contact a workshop
immediately.
If illuminated in conjunction with v or
F , seek the assistance of a workshop.9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
Airbag system 3 59, belt tensioners
3 55, airbag deactivation 3 64.
98Instruments and controlsCharging systemp illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates when the engine is
running
If control indicator p illuminates
when the engine is running (together
with control indicator C and a
warning chime): Stop, switch off
engine.
Vehicle battery is not charging.
Engine cooling may be interrupted.
Power to the brake servo unit may be cut. Seek the assistance of a
workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates briefly when the ignition is switched on.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 immediate assistance of a
workshop.
Service vehicle soon
F 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 3 102. Seek the
assistance of a workshop
immediately.Stop engine
C illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates together with other control indicators (e.g., p, I and R),
accompanied by a warning chime and a corresponding message in theDriver Information Centre 3 102:
stop engine immediately and seek the
assistance of a workshop.
Brake system
R illuminates red.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 147 and extinguishes
when the parking brake is released.
Illuminates when the parking brake is
released if the brake fluid level is too
low 3 168.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Instruments and controls99If R illuminates together with control
indicator C and a warning chime,
there is a fault in the braking system.
A corresponding message also
appears in the Driver Information
Centre 3 102 . Seek the assistance of
a workshop immediately.
Brake system 3 146.
Antilock brake system (ABS)
u illuminates yellow.
Illuminates briefly after the ignition is
switched on. The system is ready for
operation when u extinguishes.
If control indicator u does not go out
after a few seconds, or if it illuminates while driving, there is a fault in the
ABS. Control indicator F may also
illuminate in the instrument cluster
together a corresponding message in the Driver Information Centre 3 102.
The brake system remains
operational but without ABS
regulation.
If control indicators u, F , R and C
illuminate, there is a fault in the
braking system. A correspondingmessage appears in the Driver
Information Centre. Seek the
assistance of a workshop
immediately.
Antilock brake system (ABS) 3 146.
Upshift k or j illuminates.
It is recommended to shift gear when
illuminated to improve fuel economy.
Electronic Stability Program
R flashes or illuminates yellow.
Illuminates briefly when the ignition is
switched on.
Flashing during driving
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Illuminates while driving The system is not available. A
corresponding message also
appears in the Driver Information
Centre 3 102.ESP® Plus
3 149, Traction Control
system 3 148.
Electronic Stability Program off
Ø illuminates green.
If ESP ®Plus
has been deactivated with
Ø on the instrument panel, control
indicator Ø illuminates and a
corresponding message appears in
the Driver Information Centre 3 102.
ESP® Plus
3 149, Traction Control
system 3 148.
Engine coolant temperature
W illuminates blue or red.
Illuminates red briefly when the
ignition is switched on, then turns
blue.
Illuminates red when the engine is
running
Stop, switch off engine.
100Instruments and controlsCaution
Coolant temperature too high.
Check coolant level 3 167.
If there is sufficient coolant, consult a workshop.
The control indicator must be blue
before continuing driving.
Preheating
! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low.
AdBlue Y illuminates yellow.
AdBlue level is low. Refill AdBlue as
soon as possible, to avoid prevention
of engine starts.
Illuminates together with control
indicator F to indicate a system
failure or as a warning that engine
starting may not be possible after a
certain distance. Seek the assistance
of a workshop immediately.
A corresponding message appears in the Driver Information Centre 3 102.
AdBlue percentage remaining can
also be checked by pressing button
repeatedly on end of wiper lever. Trip
computer 3 105.
AdBlue 3 139.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Control indicator w illuminates
together with C 3 98 and a
corresponding message appears in
the Driver Information Centre when a puncture or severely under-inflated
tyre is detected.Flashes
Fault in system. After a delay the
control indicator illuminates
continuously. Consult a workshop.
Control indicator w illuminates
together with A 3 98 and a
corresponding message appears in
the Driver Information Centre when a
tyre without a pressure sensor is
mounted (e.g. spare wheel).
Tyre pressure monitoring system
3 186.
Engine oil pressure
I illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates when the engine is
running
If control indicator I illuminates
when the engine is running (together
with control indicator C and a
warning chime): Stop, switch off
engine.
Instruments and controls101Caution
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 (or move 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.
Do not remove key until vehicle is stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking
assistance of a workshop 3 165.
Fuel economy mode
ECO illuminates green when ECO
mode is engaged to reduce fuel
consumption.
ECO mode, driving economically
3 129.
Low fuel Y illuminates yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates when level in fuel tank is
low (range of approx. 50 km); refuel
immediately 3 158.
Catalytic converter 3 139.
Bleeding the diesel fuel system
3 171.
Stop-start system
D illuminates when engine is in an
Autostop.
\ illuminates when an Autostop is
inhibited when certain conditions are
not fulfilled.
Stop-start system 3 135.Exterior light
9 illuminates green.
Illuminated when the headlights are
on.
8 illuminates green.
Illuminated when the sidelights are
on.
Lighting 3 108.
High beam P illuminates blue.
Illuminated when high beam is on and
during headlight flash 3 109.
Fog light
> illuminates green.
Illuminated when the front fog lights
are on 3 111.
Rear fog light ø illuminates yellow.
Illuminated when the rear fog light is
on 3 112.