Page 101 of 317

Instruments and controls99Preheating
! 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.
Flashes
The maximum filling level of the filter
is reached. Start cleaning process
immediately to avoid damage to the
engine.
Exhaust filter 3 188, Stop-start
system 3 185.AdBlue
Y flashes yellow.
AdBlue level is low. Refill AdBlue soon to avoid prevention of the
engine start.
AdBlue 3 190.
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.
Page 102 of 317

100Instruments and controls9Warning
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.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 231.
Catalytic converter 3 189.
Bleeding the diesel fuel system
3 246.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light 8 illuminates green.
The exterior lights are on 3 114.
High beam C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 115 , or when
high beam is on with high beam assist
3 115.
High beam assist
f illuminates green.
The high beam assist is activated
3 118.LED headlights
f illuminates or flashes yellow.
Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
four seconds after the ignition is
switched on as a reminder for
symmetrical headlight 3 117.
Front fog lights
> illuminates green.
The front fog lights are on 3 119.
Rear fog light r illuminates yellow.
The rear fog light is on 3 120.
Cruise control
m illuminates white or green.
Page 104 of 317

102Instruments and controlsThe following indications appear if
required:
● warning messages 3 106
● gear shift indication 3 98
● drive mode indication 3 192
● tyre pressure warning 3 263
● seat belt reminder indication 3 95
● service information 3 91
Some of the displayed functions differ
when the vehicle is being driven or at
a standstill. Some functions are only
available when the vehicle is being
driven.
Selecting menus and functions The menus and functions can be
selected via the buttons on the turn signal lever.
Press MENU to switch between the
menus or to return from a submenu to the next higher menu level.
Turn the adjuster wheel to select a
submenu of the main menu or to set a numeric value.
Press SET/CLR to select and confirm
a function.
Vehicle and service messages are
popped-up in the Driver Information
Centre if required. Confirm messages
by pressing SET/CLR. Vehicle
messages 3 106.
Trip/Fuel information ;
Possible pages are: ● digital vehicle speed
● trip odometer
Page 105 of 317

Instruments and controls103● average fuel economy
● average vehicle speed
● instantaneous fuel economy
● fuel range
● fuel range, bi-fuel engine
● fuel level, bi-fuel engine
● timer
Digital vehicle speed
Digital display of the instantaneous
speed.
Trip odometer
Trip odometer displays the current
distance since a certain reset.
Trip odometer counts up to 9999 km
and then restarts at 0.
Turn the adjuster wheel to select
between trip page 1 and 2.
To reset, press SET/CLR for a few
seconds while viewing this page.
The information of trip page 1 and 2 can be reset separately while the
respective display is active.Average fuel economy
Display of average consumption. The
measurement can be reset at any
time and starts with a default value.
To reset, press SET/CLR for a few
seconds while viewing this page.
The information of trip page 1 and 2
can be reset separately while the
respective display is active.
Average vehicle speed
Display of average speed. The
measurement can be reset at any
time.
To reset, press SET/CLR for a few
seconds while viewing this page.
The information of trip page 1 and 2
can be reset separately while the
respective display is active.
Instantaneous fuel economy
Display of the instantaneous
consumption.
Fuel range
Range is calculated from current fuel
tank level and current consumption. The display shows average values.After refuelling, the range is updated
automatically after a brief delay.
When the fuel level in the tank is low, a message appears on the display
and control indicator Y in the fuel
gauge illuminates.
When the tank must be refuelled
immediately, a warning message
appears and remains on the display.
Additionally, control indicator Y
flashes in the fuel gauge 3 100.
Fuel range, bi-fuel engine
Page 106 of 317

104Instruments and controlsDisplay of the approximate total fuel
range. A low fuel level in either tank is indicated by Low in the respective
section.
Fuel level
Display of the fuel level in percent.
Timer
To operate follow the instructions on the display.
AdBlue
Indicates an estimate of the AdBlue
level. The number of percentage
means the remainder of AdBlue.
Additionally, it is indicated whether
the level is sufficient or low.
Vehicle information ?
Possible pages are: ● unit
● speed warning
● remaining engine oil life indication
● tyre pressure
● tyre load● following distance
● traffic sign assistant
Unit
Press SET/CLR while page is
displayed. Select imperial (unit 1) or metric (unit 3) by turning the adjuster
wheel. Press SET/CLR to set the unit
of measurement.
Speed warning
The speed warning function alerts the driver when a set speed is exceeded.
To set the speed warning, press
SET/CLR while the page is displayed.
Turn the adjuster wheel to select the
value. Press SET/CLR to set the
speed.
If the selected speed limit is
exceeded, a warning chime sounds.
Once the speed is set, this feature
can be turned off by pressing
SET/CLR while viewing this page.
Remaining oil life
Indicates an estimate of the oil's
useful life. The number in percentage means the current remaining oil life
and indicates when to change the
engine oil and filter 3 91.
Tyre pressure
Tyre pressures of all wheels are
displayed on this page during driving
3 263.
Tyre load
The tyre pressure category according
to the actual tyre inflation pressure
can be selected 3 263.
Page 108 of 317

106Instruments and controlsThe Info displays can indicate:● time 3 86
● outside temperature 3 86
● date 3 86
● Infotainment system, see description in the Infotainment
manual
● indication of rear view camera 3 222
● parking assist indication 3 218
● navigation, see description in the
Infotainment manual
● system messages
● settings for vehicle personalisation 3 108
R 4.0 IntelliLink
Selecting menus and settings
Menus and settings are accessed via the display.
Press X to switch on the display.
Press ; to display the homepage.
Touch required menu display icon
with the finger.
Touch a respective icon to confirm a
selection.
Touch 9 to return to the next higher
menu level.
Press ; to return to the homepage.
For further information, see
Infotainment manual.
Vehicle personalisation 3 108.
Vehicle messages
Messages are indicated mainly in the Driver Information Centre, in some
cases together with a warning chime.
Vehicle and service messages in
the Driver Information Centre
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Press SET/CLR , MENU or turn the
adjuster wheel to confirm a message.
Page 118 of 317

116LightingActivation
The high beam assist is activated by
pushing the indicator lever twice with
a speed above 40 km/h.
The green control indicator f
illuminates continuously when the
assist is activated, the blue one 7
illuminates when high beam is on.
Control indicator f 3 100.
Deactivation
Push indicator lever once. It is also
deactivated when front fog lights are
switched on.
If a headlight flash is activated when the high beam is on, the high beam
assist will be deactivated.
If a headlight flash is activated when
the high beam is off, the high beam
assist will remain activated.
The latest setting of the high beam
assist will remain after the ignition is
switched on again.
Headlight flash
To activate the headlight flash, pull
lever.
Pulling lever deactivates high beam.
LED headlights 3 118.Headlight range adjustment
Manual headlight range
adjustment
To adapt headlight range to the
vehicle load to prevent dazzling: turn
thumb wheel ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment laden
Dynamic automatic headlight
levelling 3 118.
Page 121 of 317

Lighting119Fault in LED headlight system
When the system detects a failure in
the LED headlight system, f
illuminates and a warning is displayed in the Driver Information Centre.
Hazard warning flashers
Operated by pressing ¨.
In the event of an accident with airbag
deployment the hazard warning
flashers are activated automatically.
Turn lightslever up:right turn signallever down:left turn signal
A resistance point can be felt when
moving the lever.
Constant flashing is activated when
the lever is being moved beyond the
resistance point. It is deactivated
when the steering wheel is moved in
the opposite direction or lever is
manually moved back to its neutral
position.
Activate temporary flashing by
holding the lever just before the
resistance point. Turning lights will
flash until lever is being released.
To activate three flashes, tap the
lever briefly without passing the
resistance point.
When a trailer is connected, turn
signal flashes six times when
pressing the lever until resistance is
felt and then releasing.
Front fog lights
Operated by pressing >.