84Instruments and controls9Danger
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 deactivation 3 50.
Charging system p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates when the engine is
running
Stop vehicle and switch off engine.
Battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be
effective.
Interrupt your journey immediately.
Remove key and check drive belt
condition and tensioning before
seeking 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. If it does not
illuminate, seek the assistance of a
workshop.
Can illuminate briefly when driving;
this is normal and does not indicate a system fault.
Illuminates when the engine is
running
Fault in the emission control system.
The permitted emission limits may be exceeded. Fuel economy and vehicle
driveability may be impaired. Seek
the assistance of a workshop
immediately.
Control indicator Z also illuminates if
there is a fault in the diesel particle
filter 3 129 or with the automatictransmission 3 138. Seek the
assistance of a workshop as soon as
possible.
Ensure the fuel filler cap is screwed in completely 3 150.
Flashes when the engine is
running
Fault that could lead to catalytic
converter damage 3 130 . Ease up on
the accelerator until the flashing
stops. Seek the assistance of a
workshop immediately.
Service vehicle soon g illuminates yellow.
Illuminates when the engine is
running to indicate a fault in the
engine or transmission electronics.
The electronics switch to an
emergency running programme, fuel
consumption may be increased and
vehicle handling may be impaired.
In some cases, the fault can be
eliminated by switching the engine off
and back on again. If g illuminates
again after restarting the engine, the vehicle may need a service.
Instruments and controls85Have the cause of the fault eliminated
by a workshop.
Brake system
R illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts. If it does not
illuminate, stop and seek the
assistance of a workshop.
Control indicator R illuminates if the
electrical parking brake is applied and
extinguishes when it is released
3 143.
If it stays lit while the engine is
running, the brakes do not operate as normal, or leaks are found in the
brake system, do not attempt to drive
the vehicle. Have the vehicle towed to a workshop for inspection and repair.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when engine is running if
the fluid level for brake hydraulics is
too low 3 162.
Brake system 3 142.
Electrical parking brake
m illuminates or flashes red.
When the engine is started, m
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates
Electrical parking brake is applied
3 143.
Flashes
Electrical parking brake is not fully
applied or released.
Switch on ignition, depress brake
pedal and attempt to reset the system by first releasing and then re-applying
the electrical parking brake.
If m remains flashing, do not drive
and seek the assistance of a
workshop.Electrical parking brake
fault
p illuminates yellow.
When the ignition is switched on, p
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates
Electrical parking brake is operating
with degraded performance 3 143.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Antilock brake system
(ABS)
u illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is
ready for operation when the control
indicator extinguishes.
86Instruments and controlsIf the control indicator does not
illuminate when the ignition is
switched on, stays lit or illuminates
during driving, there is a fault in the
ABS. The brake system remains
operational but without ABS
regulation.
If control indicator u illuminates
during driving along with brake
system control indicator R, there is a
serious fault in the brake system.
Have the system checked
immediately by a workshop.
Antilock brake system 3 142.
Upshift
[ illuminates green.
Upshifting is recommended for fuel
saving purposes.
All wheel drive
B illuminates or flashes yellow.
Illuminates briefly when the ignition is switched on. If it does not illuminate,
seek the assistance of a workshop.Flashes briefly when the engine is
running
The system is temporarily disabled.
Flashes continuously when the
engine is running
System fault. Seek the assistance of
a workshop immediately.
All wheel drive 3 140.
Sport mode
S illuminates green.
Illuminates when Sport mode is
switched on 3 137.
Descent control system u illuminates yellow and/or green.
Both the yellow and green control
indicators illuminate briefly when the
ignition is switched on.
Green
Illuminates when system is ready for
operation.Flashes during driving when system is in operation, after pressing the u
button.
Yellow
Flashes to indicate system is not
ready for conditions to operate.
Illuminates to indicate there is a fault
in the system.
If it flashes or illuminates during
driving, friction material needs to cool down: drive the vehicle without
braking as much as possible.
Descent control system 3 146.
Power steering
2 illuminates yellow.
When the ignition is switched on, 2
illuminates briefly. If it does not
illuminate, stays lit or illuminates
during driving, there is a fault in the
system. Seek the assistance of a
workshop.
Power steering 3 124.
Instruments and controls87Ultrasonic parking assist
r illuminates yellow.
Fault in system
or
Fault due to sensors that are dirty or
covered by ice or snow
or
Interference due to external sources of ultrasound. Once the source of
interference is removed, the system
will operate normally.
Have the cause of the fault in the
system remedied by a workshop.
Ultrasonic parking assist 3 148.
Electronic Stability Control
b illuminates or flashes yellow.
When the engine is started, b
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.Illuminates
Fault in the system. 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 3 145.
Electronic Stability Control
off
t illuminates yellow.
When the ignition is switched on, t
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates when ESC has been
switched off manually by pressing button t on the centre console.
Electronic Stability Control 3 145.Engine coolant temperature
W illuminates red.
When the engine is started, W
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates when the engine is
running
Stop vehicle and switch off engine.Caution
Coolant temperature too high.
Check coolant level 3 160.
If there is sufficient coolant, seek the
assistance of a workshop.
Preheating
! illuminates yellow.
Preheating is activated. Only
activates when outside temperature
is low. Start the engine when control
indicator extinguishes.
88Instruments and controlsIf it illuminates during driving or if the
engine cannot be started, seek the
assistance of a workshop as soon as
possible.
Starting the engine 3 125.
Diesel particle filter % illuminates or flashes yellow.
The diesel particle filter requires
cleaning.
Continue driving until %
extinguishes.
Illuminates during driving
Control indicator % illuminates,
accompanied by a warning chime,
when the diesel particle filter is full. Start cleaning process as soon as
possible.
Flashes during driving
Control indicator % flashes when the
maximum filling level of the filter is
reached. Start cleaning process
immediately to avoid damage to theengine. A warning chime sounds
every 3 minutes until the cleaning process is complete.
Diesel particle filter 3 129, Stop-start
system 3 126.
AdBlue
Y flashes yellow.
AdBlue level is low. Refill AdBlue as soon as possible, to avoid prevention of engine starts.
A corresponding message may also
appear in the Driver Information
Centre 3 91.
AdBlue 3 131.
Tyre pressure monitoring system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
A corresponding message also
appears on the Info-Display 3 92.Flashes
Fault in system or tyre without
pressure sensor mounted (e.g. spare wheel). After approx. one minute the
control indicator illuminates
continuously. A corresponding
message also appears on the Info-
Display.
Consult a workshop.
Tyre pressure monitoring system 3 183.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts. If it does not
illuminate, seek the assistance of a
workshop.
Instruments and controls89Illuminates 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 oil level before seeking the
assistance of a workshop 3 159.
Change engine oil
¢ illuminates yellow.
When the engine is started, ¢
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
The engine oil life monitor lets you know when to change the oil. Control
indicator ¢ illuminates to indicate
that engine oil life has been
diminished and the oil needs
changing.
Based on driving conditions, the
interval at which an oil change will be indicated can vary considerably.
Change oil within 1000 km. Engine
power may be decreased.
Once the engine oil has been
changed 3 159, the engine oil life
monitor needs to be reset. Seek the assistance of a workshop.
Low engine oil level
S illuminates yellow.
When the ignition is switched on, S
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates during driving
Oil level is low: top up oil to specified
level 3 159.
Fuel economy mode s illuminates green.
Depending on version, s
illuminates when fuel economy mode
is switched on 3 122.
Low fuel Y illuminates yellow.
90Instruments and controlsWhen the engine is started, Y
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates during driving when fuel
level in tank is too low. Refuel
immediately 3 150.
Never run the tank dry. Erratic fuel
supply can cause catalytic converter
to overheat 3 130.
If the tank has been run dry, bleed the fuel system 3 165.
Fuel tank capacity 3 211.
Catalytic converter 3 130.
Drain fuel filter
U illuminates yellow.
Illuminates when water level in diesel fuel filter exceeds a specified level.
Residual water in the diesel fuel filter
must be drained 3 164. Seek the
assistance of a workshop as soon as
possible.
Immobiliser d illuminates red.When the engine is started, d
illuminates briefly. If it does not
illuminate, seek the assistance of a
workshop.
Illuminates to indicate a fault in the
immobiliser system. The engine
cannot be started.
Electronic immobiliser 3 28.
Reduced engine power
# illuminates yellow.
Illuminates in conjunction with control
indicator g; the vehicle needs a
service. Move out of the flow of traffic as quickly as possible without
impeding other vehicles, stop the
engine and restart after 10 seconds.
The engine power is limited. Consult
a workshop.
Apply footbrake
- illuminates yellow.
Brake pedal must be depressed to
release the electrical parking brake
3 143.Clutch pedal must be depressed to
restart the engine.
Stop-start system 3 126.
High beam
C illuminates blue.
Illuminated when high beam is on and
during headlight flash 3 106.
Automatic headlight levelling system
q illuminates yellow
Illuminates during driving to indicate a fault that requires immediate
attention. Seek the assistance of a
workshop as soon as possible.
Automatic headlight range
adjustment 3 106.
Fog light
> illuminates green.
Illuminates when the front fog lights
are switched on 3 108.
Instruments and controls99Always day design; black or coloured
text on a light background.
Always night design ; white or
coloured text on a dark background.
Selections are indicated by a o in
front of the menu item.
Ignition logic
See Infotainment manual.Vehicle messages
Warning chimes When starting the engine or whilst
driving
Only one warning chime will sound at a time.
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened.
● When operating the turn and lane-change signals.
● When the vehicle is being driven and the electrical parking brake isapplied 3 143.
● When releasing the electrical parking brake without applying
the foot brake 3 90.
● If there is a fault in the braking system 3 85.
● If the parking assist detects an object 3 148.● During automatic self-cleaning of
the diesel particle filter 3 129.
● In vehicles equipped with engine overspeed warning; when
vehicle speed exceeds 120 km/h
3 91.
When the vehicle is parked and/or the driver's door is opened
● When the key is in the ignition switch.
● With exterior lights on.
Tyre pressure
Check control