98Instruments and controls
Flashes with switched on
ignition
Fault in the immobiliser system. The
engine cannot be started 3 32.
Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Brake and clutch system R illuminates or flashes red.
Illuminated
Illuminates after the ignition is
switched on if the parking brake is
applied 3 147.
Illuminates when the parking brake is
released if the brake and clutch fluid
level is too low 3 164.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Flashes
On vehicle with automated manual
transmission, flashes for a few
seconds when the ignition is switched
off if the parking 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 parking 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.
Antilock Brake System 3 146.Sport mode
1 illuminates yellow.
The symbol is illuminated when Sport
mode is on 3 139, 3 143.
Winter mode
T illuminates yellow.
The symbol is illuminated when
Winter mode is on 3 139, 3 143.
Ultrasonic parking assist
r illuminates or flashes yellow.
Illuminates
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 ultrasound. Once the source of
interference is removed, the system
will operate normally.
Instruments and controls99
Ultrasonic parking sensors 3 150.
Electronic Stability
Program
v flashes or illuminates yellow.
Illuminates for a few seconds when
the ignition is switched on.
Flashes whilst driving
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree
3 147.
Illuminates whilst 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
3 147.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
3 162.
If there is sufficient coolant, consult a workshop.
Preheating and diesel
particle filter
! illuminates or flashes yellow.
Illuminates
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 3 135.
Deflation detection system
and tyre pressure
monitoring system
w illuminates or flashes red or yellow.
Control indicator illuminates red Tyre pressure loss. Stop immediately
and check tyre pressure. A maximum speed of 80 km/h is permitted for run- flat tyres 3 189.
100Instruments and controls
Control indicator illuminatesyellow
Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). Consult a workshop.
Flashes Flashes three times to indicatesystem initialisation.
Deflation detection system 3 191,
tyre pressure monitoring system 3 191.
Interactive driving system,
continuous damping
control, sport mode
IDS+ illuminates yellow.
Illuminates when the ignition is
switched on and goes out shortly after the engine starts. Illumination whilst
driving indicates a fault in the system.
Have the cause of the fault remedied
by a workshop.
IDS Plus
3 148, CDC 3 149, Sport
mode 3 148.Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
Illuminates when the engine isrunningCaution
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.
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 3 161.
Low engine oil level
S illuminates yellow.
Engine oil level is checked
automatically.
Illuminates when the engine isrunning
Low engine oil level. Check engine oil
level and top up as necessary
3 161.
Low fuel Y illuminates or flashes yellow.
Instruments and controls101
IlluminatesLevel in fuel tank too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 136.
Bleeding the diesel fuel system
3 165.
Open&Start system
0 illuminates or flashes yellow.
Flashes The electronic key is no more withinthe 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.Illuminates
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 22.
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 3 142.
Exterior light 8 illuminates green.
Illuminates when the exterior lights
are on 3 117.High beam
C illuminates blue.
Illuminates when high beam is on and during headlamp flash 3 118.
Adaptive forward lighting
B illuminates or flashes yellow.
Illuminates Fault in system.
If the swivelling device for curve
lighting fails, the corresponding low
beam lamp is deactivated and the fog lamp is switched on.
Seek the assistance of a workshop.
Flashes
Fault in system. Consult a workshop
immediately.
Control indicator B flashes for
approx. 4 seconds after the ignition is switched on as a reminder that the
system has been switched 3 118.
Adaptive Forward Lighting (AFL) 3 119.
Instruments and controls109
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 with the multifunction knob
3 102, 3 105.
Warning chimes
When starting the engine or
whilst driving ■ If the electronic key is not present or 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 parking brake applied.■ If the speed programmed at thefactory 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 parking brake is
not applied and no gear is engaged when the engine is switched off.
110Instruments and controls
When operating the retractable
hardtop ■ Indicator buzzer upon completed opening or closing of the
convertible hardtop.
■ Indicator buzzer upon completed raising or lowering of the electricload compartment loading aid.
■ Gong tone if the tailgate is not closed during roof operation.
■ Gong tone if the tailgate is not fully open during operation of the load
compartment loading aid.
■ Gong tone during roof operation if vehicle speed exceeds 30 km/h.
■ Gong tone when vehicle speed exceeds 30 km/h if the roof is not
fully open or closed.
■ Three gong tones during roof or loading aid operation if the load
compartment blind is not attached.
■ Three gong tones during roof operation if outside temperature is
below -20 °C, vehicle battery
voltage is too low or the system is
overloaded.■ Continuous warning buzzer during roof operation if the anti-roll bars
have been triggered.
■ Continuous warning buzzer starting
one minute before the end of the
9-minute standby time with the roof
in an intermediate position or the loading aid in a raised position.
■ Persistent warning buzzer when closing the tailgate, if the lowering
process of the electric load aid is
not complete or has been
interrupted.
Battery voltage
Low battery voltage in radio remote
control or electronic key. On vehicles
without check control, the message
InSP3 appears in the instrument
panel display. Replace the battery
3 20, 3 22.
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
3 162.
Drain diesel fuel filter
If there is water in the diesel fuel filter, the message InSP4 appears in the
instrument panel. Consult a
workshop.
Lighting117LightingExterior lighting.......................... 117
Interior lighting ........................... 121
Lighting features ........................122Exterior lighting
Light switch
Turn light switch:
7=Off8=sidelights9=low beam
Control indicator 8 3 101.
If the ignition is switched off with the
low beam on, only the sidelights
remain illuminated.
Automatic light control
Light switch set to AUTO: When the
engine is running, the exterior lighting is 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.
Lighting119
However, when driving in countries
where traffic drives on the opposite
side of the road, adjust the headlights to prevent dazzling of oncoming
traffic.
Vehicles with halogen headlight
system
Have the headlights adjusted by a
workshop.
Vehicles with adaptive forward
lighting
Adapting the aim of the headlight
beam:
1. Pull lever and hold.
2. Switch on ignition.
3. An acoustic signal sounds after approx. 3 seconds.
Control indicator B 3 101.
Daytime running lights
With the ignition on and the light
switch set to 7 or AUTO , the sidelights
are switched on. When the engine is
running, headlights illuminate.On vehicle without automatic light
control, 9 must be switched on when
it gets dark for illumination of the
instrument panel.
The daytime running lights switch off
when the ignition is switched off.
Adaptive forward lighting
Adaptive forward lighting with Bi-
Xenon headlights improves lighting in
curves and increases headlight
range.
Curve lightingThe light beam pivots based on
steering wheel position and speed.
Motorway lighting
At higher speeds and continuous
straight ahead travel, the beam
automatically raises slightly, thereby
increasing headlight range.
Control indicator B 3 101.
Hazard warning flashers
Operated with the ¨ button.
The hazard warning flashers activate
automatically if the airbags deploy.