Keys, doors and windows21Radio remote control
Used to operate:■ central locking system
■ anti-theft locking system
■ anti-theft alarm system
The radio remote control has a range of approx. 20 metres. It can be
restricted by external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ The range is exceeded.
■ The battery voltage is too low.
■ Frequent, repeated operation of the
radio remote control while not in
range, which will require re-
synchronisation.
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time.
■ Interference from higher-power radio waves from other sources.
Unlocking 3 22.
Basic settings
Some settings can be changed in the Info-Display.
Vehicle personalisation 3 103.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Extend the key and open the unit
sideways. Replace the battery
(battery type CR 2032), paying
attention to the installation position.
Close the unit and synchronise.
22Keys, doors and windows
Radio remote controlsynchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control will be
synchronised when the ignition is
switched on.
Memorised settings Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
■ lighting
■ electronic climate control
■ presets for Infotainment system
■ central locking system
■ comfort settings
The saved settings are automatically used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 129.
A precondition is that Personalization
by driver is activated in the personal
settings of the Info-Display. This must
be set for each key used.Vehicle personalisation 3 103.
Central locking system Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle once more opens the door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
Three minutes after unlocking with
the remote control, the doors are
relocked automatically if no door has
been opened.Unlocking
Press button c.
Two settings are selectable in the
Info-Display:
■ To unlock only the driver's door, load compartment and fuel filler
flap; press button c once. To unlock
all doors; press button c twice.
■ Press button c once to unlock
doors, load compartment and fuel
filler flap.
Vehicle personalisation 3 103.
The setting can be saved for the key
being used.
Instruments and controls81Power outlets
A 12 Volt power outlet is located in the
centre console.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlet is
deactivated. Additionally, the power outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlet by using
unsuitable plugs.
Stop-start system 3 131.
Cigarette lighter
The cigarette lighter is located in the
centre console.
Press in cigarette lighter. It switches off automatically once the element is
glowing. Pull out lighter.
AshtraysCaution
To be used only for ash and not for combustible rubbish.
The portable ashtray can be placed inthe cupholders.
88Instruments and controls
Illuminates
After having started the engine for a minimum of 35 seconds, until the seat
belt has been fastened.
If an unfastened seat belt is fastened
whilst driving.
Flashes
After starting-off, when the seat belt is
unfastened.
Fastening the seat belt 3 39.
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 38, 3 41.
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 46.
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.
Instruments and controls101
No.Vehicle message9Turn 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 failure24Number plate light failure25Left front turn signal failure26Left rear turn signal failureNo.Vehicle message27Right 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 gas cap54Water in diesel fuel filter55Diesel particle filter is full
3 134No.Vehicle message56Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Tyres without TPMS sensors
detected59Open and then close driver
window60Open and then close front
passenger window65Theft attempted66Service theft alarm system67Service steering wheel lock68Service power steering75Service air conditioning76Service side blind spot alert
system79Top up engine oil81Service transmission
102Instruments and controls
No.Vehicle message82Change engine oil soon84Engine power reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on Uplevel-
Display The vehicle messages are displayedas 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
■ ride control systems
■ cruise control, speed limiter
■ forward collision alert
■ parking assist systems
■ lighting, bulb replacement
■ wiper/washer system
■ doors, windows
■ side blind spot alert
■ traffic sign assistant
■ lane departure warning
■ radio remote control
■ seat belts
■ airbag systems
■ engine and transmission
■ tyre pressure
■ diesel particle filter
■ vehicle battery statusVehicle messages on
Colour-Info-Display
Some important messages appear
additionally in the
Colour-Info-Display. 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 a programmed speed is exceeded.
Instruments and controls103
■ If a warning message appears inthe Driver Information Centre (DIC)
or Info-Display.
■ If the parking assist detects an object.
■ If unintended lane change occurs.
■ If the reverse gear is engaged and the rear end carrier extended.
■ If the diesel particle filter has reached the maximum filling level.
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 Uplevel-Display
When the vehicle battery voltage is running low, a warning message will
appear in the Driver Information
Centre.Base- and Midlevel-Display
When the vehicle battery voltage is
running low, a warning code 174 will appear in the Driver Information
Centre.
1. Switch off immediately electrical consumers which are not requiredfor a safe ride, e.g. seat heating,
heated rear and front 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 or warning
code will disappear after the engine has been started twice consecutively
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 Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 22.
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 Graphic-Info-Display
Press the CONFIG button for the
Settings menu.
Turn the MENU-TUNE control to
move to the desired setup menu, and
then press MENU-TUNE button.
Lighting117
Activating
1. Switch off the ignition.
2. Remove the ignition key.
3. Open 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.
Activation, deactivation and duration
of this function can be changed in the Info-Display. Vehicle personalisation
3 103.
The settings can be saved for the key being used 3 22.
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:
■ auxiliary heater
■ heated rear window
■ heated windscreen
■ heated mirrors
■ heated seats
■ fanIn the second stage, a message
which confirms the activation of the
vehicle battery discharge protection
will be displayed in the Driver
Information Centre (DIC).
Switching off electric lights To prevent discharge of the vehicle
battery when the ignition is switched
off, some interior lights are switched
off automatically after some time.