Page 97 of 231

Instruments and controls95Fuses 3 178.
Turn signals 3 109.
Seat belt reminder X illuminates or flashes red.
If the seat belt is unfastened, control
indicator X will flash when vehicle
speed exceeds approx. 10 mph. A
warning chime also sounds for up to
two minutes.
If the seat belt is fastened, the
indicator light extinguishes.
Notice
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 54.
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 53,
3 57.
Airbag deactivation Ó ON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated 3 62.
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 57, belt tensioners
3 53, airbag deactivation 3 62.
Page 98 of 231

96Instruments 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 3 100. 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 3 100:
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 3 145 and extinguishes
when the parking brake is released.
Illuminates when the parking brake is
released if the brake fluid level is too
low 3 167.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Page 99 of 231

Instruments and controls97If 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 3 100 . Seek the assistance of
a workshop immediately.
Brake system 3 144.
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 3 100.
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) 3 144.
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 3 100.ESP® Plus
3 147, Traction Control
system 3 146.
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 3 100.
ESP® Plus
3 147, Traction Control
system 3 146.
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.
Page 100 of 231

98Instruments and controlsCaution
Coolant temperature too high.
Check coolant level 3 166.
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 3 100.
AdBlue percentage remaining can
also be checked by pressing button
repeatedly on end of wiper lever. Trip
computer 3 103.
AdBlue 3 137.
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 96 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 96 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
3 185.
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.
Page 101 of 231

Instruments and controls99Caution
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 3 164.
Fuel economy mode
ECO illuminates green when ECO
mode is engaged to reduce fuel
consumption.
ECO mode, driving economically
3 127.
Low fuel Y illuminates yellow.
Illuminates briefly when the ignition is
switched on.
Illuminates when level in fuel tank is
low (range of approx. 30 miles); refuel immediately 3 157.
Catalytic converter 3 137.
Bleeding the diesel fuel system
3 170.
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 3 133.Exterior light
9 illuminates green.
Illuminated when the headlights are
on.
8 illuminates green.
Illuminated when the sidelights are
on.
Lighting 3 106.
High beam P illuminates blue.
Illuminated when high beam is on and
during headlight flash 3 107.
Fog light
> illuminates green.
Illuminated when the front fog lights
are on 3 109.
Rear fog light ø illuminates yellow.
Illuminated when the rear fog light is
on 3 110.
Page 102 of 231

100Instruments and controlsCruise controlm , U illuminates green or yellow.
m illuminates green when a certain
speed is stored.
U illuminates green when the system
is on.
Speed limiter U illuminates yellow.
U illuminates yellow when the
system is on.
Cruise control and speed limiter
3 149.
Tachograph & illuminates when there is a fault
3 105.
Door open y illuminates red.
Illuminates when a door is not fully
closed.
A corresponding message also
appears in the Driver Information
Centre 3 100.Information displays
Driver Information Centre
Depending on vehicle configuration,
the following items appear in the
display:
● outside temperature 3 85
● clock 3 86
● odometer 3 89
● trip odometer 3 89
● service display 3 91
● vehicle messages 3 101
● trip computer 3 103
Info display
The central display in the
Infotainment system displays the time (and/or outside temperature,
depending on version) and
Infotainment system information.
Press X to switch the Infotainment
system on. Alternatively, it automatically switches on when the
ignition is switched on.
Depending on system, the
Infotainment system is operated via
buttons and rotary knobs on the
Infotainment system fascia, the
Page 103 of 231

Instruments and controls101steering column controls, the voice
recognition system (if available) or via
the touchscreen display.
Touchscreen operation Make the appropriate selection from
the available menus and options by
touching the display screen with the
finger.
For further information, refer to the
Infotainment manual.Vehicle messages
Messages are displayed in the Driver
Information Centre and may be
accompanied by illumination of
control indicator F or C in the
instrument cluster.
Information messages
Information messages regarding, e.g. engine starting conditions, stop-start
system, parking brake application,
central locking, steering wheel lock
etc. provide the current status of
certain vehicle functions and
instructions for use.
Fault messages
Fault messages regarding, e.g. fuel
filter, airbags, exhaust emissions etc.
are displayed together with control
indicator F. Drive with caution and
seek the assistance of a workshop as soon as possible.
To remove fault messages, e.g.
" CHECK INJECTION ", from the
display, press button on end of wiper lever. After a few seconds themessage may disappear
automatically and F remains
illuminated. The fault will then be
stored in the on board system.
Warning messages
Warning messages regarding, e.g.
engine, battery or brake system
failure, are displayed together with
control indicator C and may be
accompanied by a warning chime.
Stop engine immediately and seek
the assistance of a workshop.
Warning messages, e.g. " BATTERY
CHARGING FAULT " disappear from
the display automatically when the
cause of the fault has been remedied.
Fuel economy messages
Fuel economy messages provide tips to improve fuel efficiency. Journeys
can be saved in the system memory,
enabling you to compare
performances.
Refer to Infotainment manual for
further information.
Fuel economy rating 3 103.
Page 104 of 231

102Instruments and controlsWarning chimesOnly one warning chime will sound at a time.
A corresponding message may also
appear in the Driver Information
Centre when a warning chime is
sounded.
When starting the engine or whilst driving:
● If seat belt is not fastened 3 53.
● If the parking assist detects an object 3 152.
● If the vehicle speed briefly exceeds a set limit 3 149,
3 152.
● If a door or the bonnet is not properly closed when vehicle
exceeds a certain speed.
● During activation and deactivation of alarm monitoring
of vehicle inclination 3 36.
● If there is a fault in the brake system 3 96.
● If the vehicle battery is not charging 3 96.● If engine lubrication is interrupted
3 98.
● If AdBlue needs to be refilled or a
fault is present 3 137.
● If the electronic key is outside of the detection range.
Electronic key system 3 22,
Power button 3 129.
When the vehicle is parked and/or
the driver's door is opened:
● If the key has been left in the ignition.
● If the electronic key has been left
in the card reader.
Electronic key system 3 22,
Power button 3 129.
● If the vehicle is in an Autostop. Stop-start system 3 133.
● If the exterior lights are on 3 106.Engine oil level
If the minimum engine oil level is
reached, a message is displayed in
the Driver Information Centre 3 100
for 30 seconds after the engine is
started.
Check oil level 3 164.