86Instruments and controlsTurn lightsO illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 207, Fuses
3 221.
Turn signals 3 122.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red.
k for front passenger seat illuminates
or flashes red, when the seat is
occupied.Illuminates
After the ignition has been switched
on until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the
control indicator illuminates for
approx. four seconds. If it does not
illuminate, does not go out after four
seconds or illuminates whilst driving,
there is a fault in the airbag system.
Seek the assistance of a workshop.
The airbags and belt pretensioners
may fail to trigger in the event of an
accident.
Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners, airbag system
3 46, 3 49.
Airbag deactivation
V illuminates yellow.
Illuminates for approx. 60 seconds
after the ignition is switched on. The
front passenger airbag is activated.
* illuminates yellow.
The front passenger airbag is
deactivated 3 52.
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.
Instruments and controls87Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Vehicle
battery is not charging. Engine
cooling may be interrupted. The
brake servo unit may cease to be effective. Seek 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.
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 assistance of a workshop
immediately.
Service vehicle soon
g illuminates yellow.
Additionally, a warning message or a
warning code is displayed.
The vehicle needs a service.
Seek the assistance of a workshop.
Vehicle messages 3 98.
Brake and clutch system R illuminates red.
The brake and clutch fluid level is too
low 3 204.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the manual parking
brake is applied 3 152.
Operate pedal - illuminates or flashes yellow.
Illuminates
Brake pedal needs to be depressed
to release the electric parking brake
3 152.
Clutch pedal needs to be depressed
to start the engine in Autostop mode.
Stop-start system 3 141.
Flashes
Clutch pedal needs to be depressed
for a main start of the engine 3 18,
3 140.
On some versions the operate pedal
message is indicated in the Driver
Information Centre 3 98.
Electric parking brake m illuminates or flashes red.
Instruments and controls89Illuminates green
System is switched on and ready to
operate.
Flashes yellow System recognises an unintended
lane change.
Ultrasonic 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 3 174.Electronic Stability Control
off
n illuminates yellow.
The system is deactivated.
Electronic Stability Control and Traction Control system
b illuminates or flashes yellow.
Illuminates
A fault in the system is present.
Continued driving is possible. Driving stability, however, may deterioratedepending 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 (ESC)
3 154, Traction Control system (TC)
3 154.Traction Control system off
k illuminates yellow.
The system is deactivated.
Preheating
! illuminates yellow.
Preheating is activated. Only
activates when outside temperature is low.
Exhaust filter
% illuminates or flashes yellow.
The exhaust filter requires cleaning.
Continue driving until %
extinguishes. If possible, do not allow engine speed to drop below
2000 rpm.
Illuminates
The exhaust filter is full. Start cleaning
process as soon as possible.
90Instruments and controlsFlashes
The maximum filling level of the filter is reached. Start cleaning process
immediately to avoid damage to the
engine.
Exhaust filter 3 144, Stop-start
system 3 141.
Tyre pressure monitoring
system
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Flashes
Fault in system or tyre without
pressure sensor mounted ( e.g. spare
wheel). After 60-90 seconds the control indicator illuminates
continuously. Consult a workshop.
Engine oil pressure
I illuminates red.Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates 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 3 201.
Low fuel
i illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 146.
Bleeding the diesel fuel system
3 206.
Instruments and controls91Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Reduced engine power # illuminates yellow.
The engine power is limited. Consult
a workshop.
Exterior light
8 illuminates green.
The exterior lights are on 3 115.
High beam C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 117 , or when
high beam is on with high beam assist
or intelligent light range 3 119.
High beam assist l illuminates green.The high beam assist or intelligent
light range is activated 3 117,
3 119.
Adaptive forward lighting
f illuminates or flashes yellow.
Illuminates
Fault in system.
Seek the assistance of a workshop.
Flashes
System switched to symmetrical low
beam.
Control indicator f flashes for approx.
four seconds after the ignition is
switched on as a reminder that the
system has been activated 3 118.
Automatic light control 3 116.
Fog light > illuminates green.
The front fog lights are on 3 123.Rear fog light
r illuminates yellow.
The rear fog light is on 3 123.
Low washer fluid G illuminates yellow.
The washer fluid level is low.
Washer fluid 3 203.
Cruise control
m illuminates white or green.
Illuminates white The system is on.
Illuminates green
Cruise control is active.
Cruise control 3 158.
Adaptive cruise control m illuminates white or green.
Illuminates white The system is on.
94Instruments and controls
●Remaining Oil Life : Indicates
when to change the engine oil and filter 3 82.
● Speed Warning : If exceeding the
preset speed, a warning chime will be activated.
● Traffic Sign Assistant : Displays
detected traffic signs for the
current route section. 3 182
● Following Dist. : Displays the
distance to a moving vehicle ahead 3 171.
Selection and indication can be
different between Midlevel-Display
and Uplevel-Combi-Display.
Trip/Fuel Information Menu
Press MENU to select the Trip/Fuel
Information Menu , or select W on
Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press SET/CLR to confirm.
● trip odometer 1
● trip odometer 2
● digital speed
Trip odometer 2 and digital speed are
only available on vehicles with
Uplevel-Combi-Display.
Reset trip odometer by pressing
SET/CLR on the turn signal lever for
a few seconds or by pressing the
Instruments and controls95reset knob between speedometer
and Driver Information Centre with
the ignition on.
On vehicles with trip computer, more
submenus are available.
Selection and indication can be
different between Midlevel-Display
and Uplevel-Combi-Display.
Trip/Fuel Information Menu, Trip
Computer 3 102.
ECO Information Menu
Press MENU to select s in the top
line of the Uplevel-Combi-Display.
Turn the adjuster wheel to select a
submenu. Press SET/CLR to confirm.Submenus are:
●Shift indication : Current gear is
indicated inside an arrow. The
figure above recommends
upshifting for fuel saving
reasons.
Eco index display : The current
fuel consumption is indicated on a segment display. For
economical driving, adapt your driving characteristic to keep the
filled segments within the Eco
area. The more segments are
filled, the higher the fuel
consumption. Simultaneously
the current consumption value is
indicated.
● Top Consumers : List of top
comfort consumers currently
switched on is displayed in
descending order. Fuel saving
potential is indicated. A switched off consumer disappears from
the list and the consumption
value will be updated.
During sporadic driving
conditions, the engine will
activate the heated rear window
automatically to increase the
engine load. In this event, the
heated rear window is indicated
as one of the top consumers,
without activation by the driver.
Instruments and controls99Vehicle messages on the
Midlevel-Display
The vehicle messages are displayed
as code numbers.
No.Vehicle message2No radio remote control
detected, depress clutch pedal
to restart4Air conditioning off5Steering wheel is locked6Depress brake pedal to release
electric parking brakeNo.Vehicle message7Turn steering wheel, switch ignition off then on9Turn steering wheel, restart
engine12Vehicle overloaded13Compressor overheated15Centre high-mounted brake
light failure16Brake light failure17Headlight levelling malfunction18Left low beam failure19Rear fog light failure20Right low beam failure21Left sidelight failure22Right sidelight failure23Reversing light failure24Number plate light failure25Left front turn signal failureNo.Vehicle message26Left rear turn signal failure27Right front turn signal failure28Right rear turn signal failure29Check trailer brake light30Check trailer reversing light31Check left trailer turn signal32Check right trailer turn signal33Check trailer rear fog light34Check trailer rear light35Replace battery in radio remote
control48Clean side blind spot alert
system49Lane departure warning
unavailable53Tighten fuel filler cap54Water in diesel fuel filter55Exhaust filter is full 3 144