Page 110 of 293

108Instruments and controlsAirbag and belt tensioners
v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not go out after
4 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 49, 3 53.
Airbag deactivation
ON V illuminates yellow.
Illuminates for approx. 60 seconds
after the ignition is switched on. The
front passenger airbag is activated.
OFF * illuminates yellow.
The front passenger airbag is
deactivated 3 55.9 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.
Charging 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 isrunning
Fault in the emission control system. The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.
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112Instruments and controls
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 3 219.
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 3 160.
Bleeding the diesel fuel system
3 225.
Immobiliser
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 3 132.
Page 115 of 293

Instruments and controls113High beamC illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 133 , or when
high beam is on with high beam assist
or intelligent light range 3 135.
High beam assist l illuminates green.
The high beam assist or intelligent
light range is activated 3 133,
3 135.
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.
4 seconds after the ignition is
switched on as a reminder that the
system has been activated 3 135.
Automatic light control 3 133.
Fog light > illuminates green.
The front fog lights are on 3 139.
Rear fog light r illuminates yellow.
The rear fog light is on 3 140.
Low washer fluid G illuminates yellow.
The washer fluid level is low.
Washer fluid 3 222.
Cruise control
m illuminates white or green.
Illuminates white The system is on.Illuminates green
Cruise control is active.
Cruise control 3 173.
Adaptive cruise control m illuminates white or green.
Illuminates white
The system is on.
Illuminates green
Adaptive cruise control is active.
Adaptive cruise control 3 176.
Vehicle detected ahead
A illuminates green.
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 176,
Forward collision alert 3 183.
Door open h illuminates red.
A door or the tailgate is open.
Page 117 of 293
Instruments and controls115
Selecting menus and functionsThe menus and functions can be
selected via the buttons on the turn signal lever.
Press the MENU button to switch
between the menus or to return from
a submenu to the next higher menu
level.
Turn the adjuster wheel to highlight a
menu option or to set a numeric value.
Press the SET/CLR button to select a
function or to confirm a message.
Vehicle Information Menu
Press the MENU button to select the
Vehicle Information Menu , or on
Uplevel-Combi-Display select X.
Turn the adjuster wheel to select a
submenu. Press the SET/CLR button
to confirm.
Follow the instructions given in the submenus.
Possible submenus (depending on the version) can be:
■ Unit : displayed units can be
changed
■ Tire Pressure : checks tyre pressure
of all wheels during driving 3 243
■ Tire Load : select tyre pressure
category according to the actually
inflated tyre pressure 3 243
Page 123 of 293

Instruments and controls121
No.Vehicle message6Depress brake pedal to release
electric parking brake7Turn steering wheel, switch
ignition off and then on9Turn steering wheel, start
engine again12Vehicle 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 failureNo.Vehicle message24Number plate light failure25Left front turn signal failure26Left 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 zone alert
system49Lane departure warning
unavailable53Tighten gas capNo.Vehicle message54Water in diesel fuel filter55Diesel particle filter is full
3 15956Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Tyres without TPMS sensors
detected59Open and then close driver
window60Open and then close front
passenger window61Open and then close rear left
window62Open and then close rear right
window65Theft attempted66Service theft alarm system67Service steering wheel lock
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122Instruments and controls
No.Vehicle message68Service power steering69Service suspension system70Service level control system71Service rear axle74Service AFL75Service air conditioning76Service side blind zone alert
system77Service lane departure warning79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbagNo.Vehicle message128Bonnet open134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on the
Uplevel-Display or Uplevel- Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Service messages
■ Fluid levels
■ Anti-theft alarm system
■ Brakes
■ Driver assistance systems
■ Ride control systems
■ Speed limiter
■ Cruise control
■ Adaptive cruise control
■ Forward collision alert
■ Collision imminent braking system
■ Parking assistant systems
■ Lighting, bulb replacement
■ Adaptive forward lighting
■ Wiper/washer system
■ Doors, windows
■ Side blind spot alert
■ Traffic sign assistant
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Instruments and controls123
■ Lane departure warning
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filter 3 159
■ Vehicle battery status
■ Selective catalytic reduction, Diesel
Exhaust Fluid (DEF), AdBlue
3 160
Vehicle messages on the
Colour-Info-Display Some important messages appear
additionally in the
Colour-Info-Display. Press the
multifunction knob to confirm a
message. Some messages only pop- up for a few seconds.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.
■ If a door or the tailgate is not fully closed when starting-off.
■ If a certain speed is exceeded with parking brake applied.
■ If adaptive cruise control deactivates automatically.
■ If approaching a vehicle ahead too closely.
■ If a programmed speed or speed limit is exceeded.
■ If a warning message or a warning code appears in the Driver
Information Centre (DIC).
■ If the parking assist detects an object.■ If an unintended lane change occurs.
■ If reverse gear is engaged and the rear end carrier is extended.
■ If the diesel particle filter has reached the maximum filling level.
■ If AdBlue needs to be refilled.
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.
During an Autostop ■ If the driver's door is opened.
Battery voltage
When the vehicle battery voltage is
running low, a warning message or
warning code 174 will appear in the
Driver Information Centre.
Page 130 of 293

128Instruments and controls
The following settings can be
selected by turning and pressing the
multifunction knob:
■ Sport mode settings
■ Languages
■ Time Date
■ Radio settings
■ Phone settings
■ Vehicle settings
In the corresponding submenus, the
following settings can be changed:
Sport mode settings
The driver can select the functions which will be activated in Sport mode
3 171.
■ Sport suspension : Damping
becomes harder.
■ Sport powertrain performance :
Accelerator pedal and gear change
characteristics become more
responsive.■ Sport steering : Steering support is
reduced.
■ Swap backlight colour main instr. :
Changes the instrument
illumination colour.
Languages
Selection of the desired language.
Time Date
See Clock 3 98.
Radio settings
See description for Infotainment
system in the Infotainment system
manual.
Phone settings
See description for Infotainment
system in the Infotainment system
manual.Vehicle settings
■ Climate and air quality
Auto fan speed : Modifies the fan
regulation. Changed setting will be
active after switching the ignition off
and on again.
Climate control mode : Activates or
deactivates the cooling every time
the ignition is switched on or uses
the last chosen setting.
Auto rear demist : Activates heated
rear window automatically.