88
Instruments and controls 9
Danger If a child restraint system is fitted
and the control indicator is not
illuminated while driving, the front
and side airbag for the front
passenger seat are not
deactivated.
Flashes
Fault in system or child restraint
system with transponders defective
or improperly fitted
3 61.9
Danger Flashing of the control indicator
while driving indicates a fault.
Have the cause of the fault
remedied by a workshop
immediately.
Child restraint system with
transponders
3 65.
Charging system
p illuminates red. It illuminates when the ignition is
switched
on and goes out shortly after
the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Battery is not
charging. Engine cooling may be
interrupted. In diesel engines, power
to the brake servo unit may be cut.
Seek the assistance of a workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
It illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
Illuminates when the engine is
running
Fault in the emission control system.
The permitted emission limits may be
exceeded. Immediately seek the
assistance of a workshop. Flashes when the engine is
running
Fault that could lead to catalytic
converter damage. Ease up on the
throttle until the flashing stops. Seek
the immediate assistance of
a workshop.
Service vehicle soon
A
illuminates or flashes yellow.
Illuminates when the engine is
running
Fault in engine or transmission
electronics. The electronics switch to
an emergency running programme.
Fuel consumption may be increased
and the vehicle handling may be
impaired.
If
the fault persists after restarting the
vehicle, consult a workshop.
Illuminates together with InSP4
in the service display
Seek the assistance of a workshop for
draining the diesel fuel filter.
Instruments and controls
89
Flashes with switched on
ignition
Fault in the electronic immobiliser
system.
The engine cannot be started
3 38.
Brake and clutch system
R illuminates or flashes red.
Illuminated
Illuminates when the hand brake is
released if the brake/clutch fluid level
is too low 3 158. 9
Warning Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the hand brake is
applied
3 141.
Flashes
On vehicle with automated manual
transmission, flashes for a few
seconds
when the ignition is switched
off if the hand brake is not applied. On vehicles with automated manual
transmission, flashes when the
driver's door is opened if no gear is
engaged and the hand brake is not
applied.
Antilock brake system
(ABS)
u
illuminates red.
Illuminates
for a few seconds after the
ignition is turned on. The system is
ready for operation when the control
indicator goes out.
If the control indicator does not go out
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.
Anti-lock Braking System 3 140.
Sport mode
1 illuminates yellow.
The symbol is illuminated when Sport
mode is on 3 134, 3 138. Winter mode
T
illuminates yellow.
The symbol is illuminated when
Winter mode is on 3 134, 3 138.
Ultrasonic parking assist
r illuminates or flashes yellow.
Illuminated
Fault
in system. Have the cause of the
fault remedied by a workshop.
Flashes
Fault due to sensors that are dirty or
covered by ice or snow.
or
Interference due to external sources
of ultra sound. Once the source of
interference is removed, the system
will operate normally.
Ultrasonic parking sensors 3 145.
Electronic Stability
Program
v flashes or illuminates yellow.
90
Instruments and controls
It illuminates for a few seconds when
the ignition is switched on.
Flashing during driving
The system has kicked in. Engine
output may be reduced and the
vehicle may be braked automatically
to a small degree 3 142.
Illuminates while driving
The system is switched off or a fault
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.
ESP® Plus
3 142.
Engine coolant
temperature
W illuminates red.
Illuminates when the engine is
running
Stop, switch off engine. Caution
Coolant temperature too high.
Check coolant level immediately
3 157.
If there is sufficient coolant, consult
a workshop.
Preheating and diesel
particle filter
!
illuminates or flashes yellow.
Illuminated
Preheating activated. Only activates
when outside temperature is low.
Flashes
( in
vehicles fitted with a diesel particle
filter).
Control indicator ! flashes if the filter
requires cleaning and previous
driving conditions did not permit
automatic cleaning. Continue driving
and if possible do not allow engine
speed to drop below 2000 rpm. The control indicator
! goes off as
soon
as the self-cleaning operation is
complete.
Diesel particle filter 3 129.
Deflation detection system
and tyre pressure
monitoring system
w illuminates or flashes red or yellow.
Control indicator lights red
Tyre pressure loss. Stop immediately
and check tyre pressure. A maximum
speed of 80 km/h is permitted for run-
flat tyres 3 174.
Control indicator lights yellow
Fault in system or tyre without
pressure sensor mounted (e. g. spare
wheel). Consult a workshop.
Flashes
Flashes three times to indicate
system initialisation.
Deflation detection system 3 177,
tyre pressure monitoring system
3 176.
Instruments and controls
91
Interactive Driving System,
Continuous Damping
Control, SPORT-mode
IDS+ illuminates yellow.
Illuminates for approximately 10
seconds after the driver's door is
opened. Illumination whilst driving
indicates a fault in the system. The
system
switches to the harder chassis
setting for reasons of safety. Have the
cause of the fault remedied by
a workshop.
IDS Plus
3 143, CDC 3 143, SPORT
mode 3 143.
Engine oil pressure
I illuminates red.
It illuminates when the ignition is
switched on and goes out shortly after
the engine starts. Illuminates when the engine is
running
Caution
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 selectorlever 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
has come to a standstill, otherwise
the steering column lock could
engage unexpectedly. Seek the assistance of a workshop.
Low engine oil level
S
illuminates yellow.
Engine oil level is checked
automatically.
Illuminates when the engine is
running
Low
engine oil level. Check engine oil
level and top up as necessary
3 156.
Low fuel
Y illuminates or flashes yellow.
Illuminated
Level in fuel tank too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 130.
Bleeding the diesel fuel system
3 159.
92
Instruments and controls
When operating with natural gas, the
system automatically switches over to
petrol operation 3 84.
Open&Start system
0 illuminates or flashes yellow.
Flashes
The electronic key is no more within
the reception range of the vehicle
interior. The engine cannot be
started. Hold the Start/Stop button
depressed a bit longer to switch off
the ignition.
or
Failure of the electronic key.
Operation is yet only possible via
emergency operation.
Illuminated
Fault in system. Try to operate with
the spare key, the remote control or
through emergency operation. Hold
the Start/Stop button depressed a bit
longer to switch off the ignition. Seek
the assistance of a workshop.
or The steering wheel lock is still
engaged. Move the steering wheel
slightly and press the
Start/Stop
button.
Open&Start System 3 29.
Apply footbrake
j illuminates yellow.
The
engine with manual transmission
automated can only be started if the
foot brake is depressed. If the foot
brake is not depressed, the control
indicator illuminates 3 137.
Exterior light
8 illuminates green.
Illuminated when the exterior lights
are on 3 108.
High beam
C illuminates blue.
Illuminated when high beam is on and
during headlamp flash 3 109. Adaptive forward lighting
B
illuminates or flashes yellow.
Illuminated
Fault in system.
If the swivelling device for curve
lighting fails, the corresponding
dipped
beam lamp is deactivated and
the fog lamp is switched on.
Seek the assistance of a workshop.
Flashes
System switched to symmetrical
dipped beam.
Control indicator B flashes for
approximately 4 seconds after the
ignition is switched on as a reminder
that the system has been switched
3 109.
Adaptive Forward Lighting (AFL)
3 110.
Fog light
> illuminates green.
Illuminated when the fog lamps are on
3 111.
100
Instruments and controls
Always day design: black or coloured
text on light background.
Always night design: white or
coloured text on dark background.
Selection is indicated by a o in front
of the menu item.
Ignition logic
See infotainment system manual. Vehicle messages
Messages are given via the
instrument panel display or as
warning and signal buzzers. Check
control messages appear on the
Info-Display. Some appear in an
abbreviated form. Confirm warning
messages 3 93, 3 96.
Warning chimes
When starting the engine or
whilst driving
■
If the electronic key is not presentor is not recognised.
■ If seat belt is not fastened.
■ If a door or the tailgate is not fully closed when starting off.
■ If a certain speed is exceeded with the hand brake applied.
■ If the speed programmed at the factory is exceeded.
■ If the vehicle has automated manual transmission and the
driver's door is opened when the engine is running, a gear is
engaged and the foot brake is not
depressed.
When the vehicle is parked and
the driver's door is opened ■
When the key is in the ignition switch.
■ With exterior lights on.
■ With Open&Start system and automatic transmission, if the
selector lever is not in P.
■ For automated manual transmission, if the hand brake is
not applied and no gear is engaged
when the engine is switched off.
Battery voltage
Low battery voltage in remote control
or electronic key. On vehicles without
check control, the message InSP3
appears in the instrument panel
display. Replace the battery 3 28,
3 29.
Instruments and controls
101
Brake light switch
Brake light does not come on during
braking. Have the cause of the fault
remedied immediately by
a workshop.
Engine cooling level Low fluid level in engine cooling
system. Check coolant immediately
3 157. Drain diesel fuel filter
If
there is water in the diesel fuel filter,
the message InSP4 appears in the
instrument panel. Consult
a workshop.
Lighting
Important exterior lighting lamps,
including cables and fuses, are
monitored. In trailer mode, trailer
lighting is also monitored. Trailers
with LED lighting must have an
adapter that enables lamp monitoring
as with conventional bulbs. The failed lighting will be indicated in
the information display or the
message InSP2 will appear in the
instrument panel display.
Anti-theft alarm system
System fault in anti-theft alarm
system. Have the cause of the fault
remedied by a workshop.
Tyre pressure On vehicles with tyre pressure
monitoring
system, if there is low tyre
pressure, information on which tyre to
check appears on the display.
108
Lighting
Lighting
Exterior lighting .......................... 108
Interior lighting ........................... 113
Lighting features ........................114 Exterior lighting
Light switch
Turn light switch:
7
= Off
8 = Parking lights
9 = Headlights
Control indicator 8 3 92.
If the ignition is switched off with the
headlights on, only the parking lights
remain illuminated. Automatic light control
Light switch set to AUTO: When the
engine is running, headlights are
switched on when external light
conditions are poor.
For
reasons of safety, the light switch
should always remain in the AUTO
position.
Move light switch to 9 if visibility is
poor because of fog or mist.