Instruments and controls109Tyre 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 isstationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking
assistance of a workshop 3 224.
Low fuel
i or Y 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 3 161.
Bleeding the diesel fuel system
3 230.
Immobiliser
d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Instruments and controls121
■ driver assistance systems
■ cruise control
■ speed limiter
■ adaptive cruise control
■ forward collision alert
■ collision imminent braking system
■ parking assist systems
■ lighting, bulb replacement
■ adaptive forward lighting
■ wiper/washer system
■ doors, windows
■ side blind spot alert
■ traffic sign assistant
■ lane departure warning
■ load compartment, boot lid
■ radio remote control
■ electronic key system
■ keyless starting
■ seat belts
■ airbag systems
■ engine and transmission
■ tyre pressure
■ diesel particle filter■ vehicle battery status
■ selective catalytic reduction, diesel exhaust fluid (DEF), AdBlue
3 161
Messages in the
Colour-Info-Display
Some important messages may
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 not
fastened 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 withparking 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 appears in the Driver Information Centre.
■ If the electronic key is not in the passenger compartment.
■ If the parking assist detects an object.
■ If an unintended lane change occurs.
■ 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.
■ If the trailer hitch is not engaged.
122Instruments and controls
During an Autostop■ If the driver's door is opened.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off any electrical consumers which are not required
for a safe ride, e.g. seat heating,
heated rear window or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear
after the engine has been started
twice without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault remedied by a workshop.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Colour-Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 23.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Following the changing of personal
settings is described via the buttons
below the display. This is valid for
4.2'' as well as 8'' Colour-Info-Display.
Additionally, the 8'' display is operable
as a touchscreen and with the
touchpad between the front seats.
See description 'Colour-Info-Display'
3 118 and the Infotainment system
manual.
With active display, press ;.
Turn MENU to select Settings display
icon.
Press MENU to confirm.
The following settings can be
selected by turning and pressing the multifunction knob:
■ Time and Date
■ Sport Mode
■ Language (Language)
■ Valet Mode
■ Radio
■ Vehicle
■ Bluetooth
124Instruments and controls
■Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Auto Memory Recall : Activates or
deactivates the recall of memorised
settings for power seat adjustment and exterior mirrors.
Easy Exit Driver Seat : Activates or
deactivates easy exit function of the power seat.
Reverse Tilt Mirror : Activates or
deactivates the parking assist
function of the exterior mirror on the passenger side.
Auto Mirror Folding : Activates or
deactivates folding of the exterior
mirrors with the remote control.
Auto Wipe in Reverse Gear :
Activates or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.Rainsense Wipers : Activates or
deactivates automatic wiping with
rain sensor.
■ Lighting
Exit Lighting : Activates or
deactivates and changes the
duration of exit lighting.
Vehicle Locator Lights : Activates or
deactivates the welcome lighting.
Adaptive Forward Lighting :
Activates or deactivates the
functions of the adaptive forward
lighting.
Left or Right Hand Traffic : Changes
between lighting for left or right
hand traffic.
■ Power Door Locks
Unlocked Door Anti-Lockout :
Activates or deactivates the
automatic driver's door locking function when the door is open.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function.
Auto Door Lock : Activates or
deactivates the automatic door unlocking function after switchingoff ignition. Activates or deactivates the automatic door locking function
after driving off.
■ Remote Lock, Unlock, Start
Remote Unlock Light Feedback :
Activates or deactivates the hazard warning flasher feedback whilst
unlocking.
Remote Lock Feedback : Changes
what kind of feedback is given
when locking the vehicle.
Remote Door Unlock : Changes the
configuration to unlock only the driver's door or the whole vehicle
whilst unlocking.
Relock Remote Unlocked Doors :
Activates or deactivates the
automatic relock function after
unlocking without opening the
vehicle.
Passive Door Lock : Activates or
deactivates the passive locking
function.
Remote Left in Vehicle Alert :
Activates or deactivates the
warning tone when the electronic
key remains in the vehicle.
136Lighting
Vehicle personalisation 3 122.
The settings can be saved for the key
being used 3 23.
The following lights will additionally
switch on when the driver's door is
opened:
■ all switches
■ Driver Information Centre
■ door pocket lights
Exit lighting The following lights switch on if the
key is removed from the ignition
switch:
■ interior lights
■ instrument panel light
■ puddle lights
They will switch off automatically after
a delay. This function works only in
the dark. Theatre lighting is activated
if the driver's door is opened during
this time.
Headlights, tail lights and number
plate lights illuminate the surrounding area for an adjustable time after
leaving the vehicle.
Switching on 1. Switch off the ignition.
2. Remove the ignition key.
3. Open the driver's door.
4. Pull the turn signal lever.
5. Close the driver's door.
If the driver's door is not closed the
lights switch off after two minutes.
Exit lighting is switched off
immediately if the turn signal lever is
pulled while the driver's door is open.
This function can be activated or
deactivated in the Vehicle
personalisation.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
The settings can be saved for the key being used 3 23.
Battery discharge
protection
Vehicle battery state of charge
function
The function guarantees longest vehicle battery life via a generator with controllable power output and
optimised power distribution.
To prevent discharge of the vehicle
battery when driving, the following
systems are reduced automatically in two stages and finally switched off:
Climate control141
Controller and buttons for the
following functions:
■ temperature TEMP
■ air distribution l M K
■ fan speed Z
■ automatic mode AUTO
■ cooling A/C
■ air recirculation 4
■ demisting and defrosting V
■ system ON/OFF X
Heated rear window Ü 3 41.
Heated front seats ß 3 53.
Ventilated front seats A 3 53.
Heated steering wheel * 3 87.
Indication
Settings of temperature and fan
speed are indicated in the climate
display.
Each change of settings is shown in
the Info-Display for a few seconds.
The electronic climate control system
is only fully operational when the
engine is running.
Climate control system settings are
saved in the key used to lock the vehicle.
Automatic mode AUTO
Basic setting for maximum comfort:
■ Press AUTO, the air distribution
and fan speed are regulated
automatically. Activation is
indicated by the LED in the button.
■ Press A/C to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ Set temperature by turning controller TEMP. Suggested
comfort setting is 22 °C.
■ Open all air vents to allow optimised air distribution in
automatic mode.
Climate control145
■automatic mode AUTO
■ cooling A/C
■ air recirculation 4
■ demisting and defrosting V
■ system ON/OFF X
■ dual zone temperature
synchronisation SYNC
Heated rear window Ü 3 41.
Heated front seats ß 3 53.
Ventilated front seats A 3 53.
Heated steering wheel * 3 87.
IndicationTemperature settings are indicated
for driver and passenger side
separately on the panels.
Each change of settings is shown in
the Info-Display for a few seconds.
The dual automatic climate control
system is only fully operational when
the engine is running.
Climate control system settings are
saved in the key used to lock the vehicle.
Automatic mode AUTOBasic setting for maximum comfort: ■ Press AUTO, the air distribution
and fan speed are regulated
automatically. Activation is
indicated by the LED in the button.
■ Press A/C to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ Set temperature by touching R or
S on the driver side. Suggested
comfort setting is 22 °C.
Temperature can be set differently
for driver and passenger. Touch R
or S on the passenger side to allow
different temperature zones.
■ Open all air vents to allow optimised air distribution in
automatic mode.
Setting of fan speed regulation in
automatic mode can be changed in the vehicle personalisation menu in
the Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle , in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
Driving and operating153Starting and operating
New vehicle running-in Do not brake unnecessarily hard for
the first few journeys.
During the first drive, smoke may
occur because of wax and oil
evaporating off the exhaust system.
Park the vehicle in the open for a
while after the first drive and avoid
inhaling the fumes.
During the running-in period fuel and
engine oil consumption may be
higher and the cleaning process of the diesel particle filter may take
place more often.
Diesel particle filter 3 160.
Ignition switch positions
Turn key:0=ignition off: Some functions
remain active until key is removed or driver's door is
opened, provided the ignition was
on previously1=accessory power mode: Steering
wheel lock released, some
electrical functions are operable,
ignition is off2=ignition on power mode: Ignition
is on, diesel engine is preheating. Control indicators illuminate and
most electrical functions are
operable3=engine start: Release key after
starting procedure beginsSteering wheel lock
Remove key from ignition switch and
turn steering wheel until it engages.9 Danger
Never remove the key from
ignition switch during driving as
this will cause steering wheel lock.
Power button
Electronic key must be inside the
vehicle.