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38Keys, doors and windowsActivation
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 twice on any exterior
door handle.
Deactivation
Unlock the doors by pressing the
button on any exterior door handle.
Hands-free operation is automatically
disabled when the central locking
switch e is pressed. To re-enable
hands-free operation, restart the
engine.
Central locking system 3 26.
Electronic key system 3 24.
Anti-theft alarm system
The anti-theft alarm system is
operated in conjunction with the
central locking system.
It monitors: ● doors, bonnet
● passenger compartment
● load compartment
● ignition
● interruption of alarm siren power supply
Activation
All doors and the bonnet must be
closed.
Press e to activate anti-theft alarm
system. Hazard warning lights flash
twice to confirm activation.
If the hazard warning lights do not
flash upon activation, a door or the
bonnet is not fully closed.
Note
Changes to the vehicle interior, e.g.
the use of seat covers, and open
windows, could impair the function
of passenger compartment
monitoring.
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40Keys, doors and windowsvehicle battery and unlock vehicle
with remote control button c (or
switch on the ignition).
Immobiliser
The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been
removed from the ignition switch and
also if the key is left in the ignition
switch when the engine is turned off.
If the engine cannot be started, switch off the ignition and remove key, wait
approx. 2 seconds and then repeat
the start attempt. If start attempt is
unsuccessful, attempt to start the
engine using the spare key and seek
the assistance of a workshop.
Note
Radio Frequency Identification
(RFID) tags may cause interference
with the key. Do not have it placed near the key when starting the
vehicle.Note
The immobiliser does not lock the doors. Always lock the vehicle after
leaving it 3 26 and switch on the anti-
theft alarm system 3 38.Exterior mirrors
Convex shape The convex exterior mirror contains
an aspherical area and reduces blind spots. The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Manual adjustment
Adjust mirrors by swivelling in
required direction.
The lower mirrors are not adjustable.
Page 44 of 251
42Keys, doors and windowsHeating works with the engine
running and is switched off
automatically after a short time.
Climate control system 3 120.
Electronic climate control system 3 122.Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Wide view mirror
Depending on vehicle, a large convex
mirror is located in the front
passenger sun visor which helps to
increase visibility and reduce blind
spots.
Page 47 of 251
Keys, doors and windows45Rear reversing lens
A rear reversing lens may be fitted to
the rear window.
The rear reversing lens assists the
driver when reversing by reducing
blind spots.
Heated rear window
Operated by pressing Ü on either
system. LED illuminates in button
during operation.
Heating works with the engine
running and is switched off
automatically after a short time.
Climate control system 3 120.
Electronic climate control system 3 122.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
Sun visors may also feature a holder for parking tickets etc.
Wide view mirror 3 42.
Page 55 of 251

Seats, restraints53Lumbar support
Adjust lumbar support to suit personalrequirements.
Operate hand pump 8 repeatedly
(located on underside of unit) to
increase firmness.
Press release button 7 to decrease
firmness.
Seat base positioning
Lift handle 5, move seat base
backwards or forwards, release handle.
Armrests
To adjust the height of the armrests, turn control knob 4 or 9.
Swivelling the seat
The driver's seat can be swivelled up
to 180° from the forward-facing
position, e.g. for easier access to the load compartment area when the
vehicle is stationary and the engine is
switched off.
Before swivelling the seat, make the
following preparations:
● Unfasten seat belt.
● Fold up the armrests.
● Slide seat as far back as possible.
● Set seat base angle to its lowest position.
● Adjust backrest inclination to vertical position.
● Open the driver's door.
Lift handle 6, swivel seat from the
forward-facing position, release
handle.
Always return the seat to the forward- facing position before driving and
ensure the seat is locked in place
before starting off.Armrest
Armrests can be folded up when not
required.
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54Seats, restraintsHeating
Press ß for the respective seat; LED
in switch illuminates. Press other end of rocker switch to turn seat heating
off.
Vehicles with suspension seat: switch ß is located below the backrest
release lever on the outboard side of
the seat.
Seat heating is thermostatically
controlled and switches off
automatically when seat temperature
is sufficient. LED also illuminates
when the system is on, not just when
heating is active.
Prolonged use for people with
sensitive skin is not recommended.
Seat heating is operational when the
engine is running.Rear seats
Rear seat access
To facilitate access to the 3rd row
seats (where fitted), open sliding side door and pull release lever on foldingaccess seat in the 2nd row and fold
the seat backrest forwards. If
necessary, unfasten seat belts from
their buckles.
Page 89 of 251

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
Page 94 of 251

92Instruments and controls
Depending on vehicle, an additional
outlet may be located in the rear of the
vehicle.
Connecting electrical accessories
while the engine is off will discharge
the vehicle battery. Do not exceed the
maximum power consumption of
120 W.
9 Danger
To avoid the risk of fire, if multiple
power outlets are used
simultaneously, the total power
consumption of connected
accessories must not exceed
180 W.
With ignition off the power outlet may
be deactivated.
Additionally, the power outlet may be
deactivated in case of low battery
voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.Caution
Do not connect any current- delivering accessories, e.g.
electrical charging devices or
batteries.
Do not damage the outlets by
using unsuitable plugs.
USB socket
In the Infotainment unit (or on the
instrument panel) there is a USB
socket M for the connection of external
audio sources and for charging
devices.
Note
The sockets must always be kept
clean and dry.
AUX socket, SD card slot – refer to the
Infotainment manual.