
Keys, doors and windows39Electronic key
For hands-free operation, the
electronic key must be outside the
vehicle, within a range of approx.
1 m of the front doors or load
compartment.
Press the button on any exterior door
handle.
Electronic key system  3 24.
Deactivation
Unlocking the vehicle or switching on the ignition deactivates the anti-theft
alarm system. Hazard warning lights
flash once to confirm deactivation.
Note
If the alarm has been triggered,
unlocking the vehicle with the key
will not stop the alarm siren. To stop the siren, switch on the ignition. The
hazard warning lights will not flash
upon deactivation if the alarm has
been triggered.
Activation without monitoring of
passenger compartment
Switch off monitoring of the
passenger compartment when
people or animals are being left in the
vehicle, or if the auxiliary heater
3  127 is set for a timed or remote
controlled start.Depending on vehicle configuration:
● press and hold  e, or
● switch ignition on and off twice quickly, then close doors and
activate the anti-theft alarm
system
An audible signal will sound as
confirmation.
The status will remain until the doors
are unlocked.
Alarm When triggered, the alarm sounds via a separate battery-backed power
sounder, and the hazard warning
lights flash simultaneously. The
number and duration of alarm signals
are stipulated by legislation.
If the vehicle battery is disconnected
or its power supply is interrupted, the
alarm siren will be triggered. First
deactivate the anti-theft alarm system if the vehicle battery must be
disconnected.
To silence the alarm siren (if
triggered) and therefore deactivate
the anti-theft alarm system, reconnect 

Seats, restraints59Height adjustment
1. Pull belt out slightly.
2. Shift the height adjustment upwards or press button to
disengage and push the height
adjustment downwards.
Adjust the height so that the belt lies across the shoulder. It must not lie
across the throat or upper arm.
9 Warning
Do not adjust while driving.
Unfasten
To unfasten belt, press red button on
belt buckle. The seat belt retracts automatically. 

Instruments and controls87Instruments and
controlsControls ....................................... 88
Steering wheel adjustment ........88
Steering wheel controls .............88
Horn ........................................... 88
Steering column controls ...........88
Windscreen wiper and washer ..89
Outside temperature ..................90
Clock ......................................... 91
Power outlets ............................. 91
Cigarette lighter ......................... 93
Ashtrays .................................... 93
Warning lights, gauges and indi‐ cators ........................................... 93
Instrument cluster ......................93
Speedometer ............................. 93
Odometer .................................. 94
Trip odometer ............................ 94
Tachometer ............................... 94
Fuel gauge ................................ 95
AdBlue gauge ............................ 95
Engine coolant temperature gauge ....................................... 95
Engine oil level monitor .............96
Service display .......................... 96Transmission display .................97
Control indicators ......................97
Turn lights ................................ 100
Seat belt reminder ...................100
Airbag and belt tensioners .......100
Airbag deactivation ..................100
Charging system .....................101
Malfunction indicator light ........101
Service vehicle soon ...............101
Stop engine ............................. 102
Brake system ........................... 102
Antilock brake system (ABS) ...102
Gear shifting ............................ 102
Lane departure warning ..........103
Electronic Stability Control ......103
Electronic Stability Control off . 103
Engine coolant temperature ....103
Preheating ............................... 103
AdBlue ..................................... 103
Tyre pressure monitoring system .................................... 104
Engine oil pressure ..................104
Low fuel ................................... 104
Drain fuel filter ......................... 105
Stop-start system ....................105
Exterior light ............................ 105
Low beam ................................ 105
High beam ............................... 105
High beam assist .....................105
Front fog lights ......................... 105Rear fog light........................... 105
Cruise control .......................... 105
Active emergency braking .......105
Speed limiter ........................... 106
Tachograph ............................. 106
Door open ................................ 106
Displays ..................................... 106
Driver Information Centre ........106
Info Display .............................. 107
Vehicle messages ......................107
Warning chimes .......................108
Trip computer ............................. 109
Tachograph ................................ 111 

Instruments and controls93Cigarette lighter
Press in cigarette lighter. It switches
off automatically once the element is
glowing. Pull out lighter.
Ashtrays
Caution
To be used only for ash and not for combustible rubbish.
Portable ashtray
Ashtray container for mobile use in
the vehicle. To use, open cover.
Warning lights, gauges
and indicators
Instrument cluster
In some versions, the needles of the
instruments briefly rotate to the end
position when the ignition is switched
on.
Speedometer
Indicates vehicle speed. 

Instruments and controls99Control indicators in the centre
console
Control indicators in the roof
console
OverviewOTurn lights  3 100XSeat belt reminder  3 100vAirbag and belt tensioners
3  100WAirbag deactivation  3 100pCharging system  3 101ZMalfunction indicator light
3  101jService vehicle soon  3 101oService display  3 101CStop engine  3 102RBrake system  3 102uAntilock brake system (ABS)
3  102kjGear shifting  3 102ìLane departure warning  3 103RElectronic Stability Control
3  103ØElectronic Stability Control off
3  103WEngine coolant temperature
3  103!Preheating  3 103úAdBlue  3 103wTyre pressure monitoring
system  3 104IEngine oil pressure  3 104kDrain fuel filter  3 105YLow fuel  3 104DAutostop (Stop-start system)
3  105\Autostop inhibited (Stop-start
system)  3 1050Exterior light  3 1059Low beam  3 105CHigh beam  3 105íHigh beam assist  3 105>Fog light  3 105 

100Instruments and controlsøRear fog light 3 105mCruise control  3 105lActive emergency braking
3  105USpeed limiter  3 106&Tachograph  3 106yDoor open  3 106
Turn lights
O  flashes green.
Flashes if a turn light or the hazard
warning flashers are activated.
Rapid flashing: failure of a turn light or
associated fuse.
An audible warning can be heard
when the turn lights are on. When
towing a trailer, the pitch of the
audible warning changes.
Bulb replacement  3 191.
Fuses  3 200.
Turn lights  3 115.
Seat belt reminder
X  illuminates or flashes red.
If the seat belt is unfastened, control indicator  X will flash when vehicle
speed exceeds approx. 16 km/h. A warning chime also sounds for
approx. 90 seconds.
If the seat belt is fastened, the
indicator light extinguishes.9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger their fellow occupants and
themselves.
Three-point seat belts  3 58.
Airbag and belt tensioners
v  illuminates yellow.
When the ignition is switched on, the control indicator illuminates briefly. If
it does not illuminate 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  3 57.
Airbag system  3 61.
Airbag deactivation W  illuminates yellow when the
ignition is switched on and remains
illuminated when the front passenger
airbag has been deactivated  3 65. 

Instruments and controls1019Danger
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.
Airbag system  3 61.
Belt tensioners  3 57.
Airbag deactivation  3 65.
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 briefly when the ignition is
switched on.
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.
If  Z  illuminates in combination with
A , stop vehicle and switch off engine
as soon as possible.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
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 immediate assistance of a
workshop.
Service vehicle soon
j  illuminates yellow.
Illuminates briefly when the ignition is
switched on.
The vehicle needs a service.
May illuminate in combination with
another control indicator or a
message in the Driver Information
Centre  3 106.
Illuminates if cleaning of the diesel particle filter is required and
automatic cleaning does not occur
3  146. 

108Instruments and controlsdisappear automatically and j
remains illuminated. The fault will
then be stored in the on board
system.Fault messagesCHECK ESPCHECK FUEL FILTERCHECK GEARBOXCHECK AUTO LIGHTSWARNING AEBS CHECKWARNING AEBS DISABLED
Warning messages
These may appear with control
indicator  C or in combination with
other warning messages, control
indicators or an audible warning. Stop engine immediately and seek the
assistance of a workshop.
Warning messagesINJECTION FAULTENGINE OVERHEATINGGEARBOX OVERHEATING
Tyre pressure monitoring system
3  207.
Warning chimes If several warnings appear at thesame time, only one warning chime
will sound.
When starting the engine or whilst
driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened  3 58.
● If a certain speed is exceeded with the parking brake applied
3  159.
● If the parking assist detects an object or a fault is present
3  169.
● If the vehicle has manual
transmission automated and theclutch temperature is too high3  154.
● If the vehicle speed briefly exceeds a set limit  3 93.
● During closing of the power sliding door  3 32.
● If the sliding door is open and the
parking brake is released  3 32.
● During activation and deactivation of alarm monitoringof vehicle inclination  3 38.
● If the AdBlue level falls below a certain amount or a fault is
present  3 147.
● If the lane departure warning system detects an unintended
lane change and when the
system is activated  3 173.
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  3 112.