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38Keys, 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 24 and switch on the anti-
theft alarm system 3 36.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 41 of 353
Keys, doors and windows39Electric adjustment
Switch on ignition to operate electric
exterior mirrors.
Select the relevant exterior mirror and swivel the control to adjust the mirror.
No mirror is selected when the control
is in the centre position.
The lower mirrors are not adjustable.
Folding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure tothe mirror housing.
Parking position
The exterior mirrors can be folded in
by pressing gently on the outer edge
of the housing, e.g. when in a
confined parking situation.
Heated mirrors
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 3 208.
Electronic climate control system 3 210.
Page 45 of 353
Keys, doors and windows43Pull handle to open window.Note
Depending on vehicle, some
windows may not open fully.
Emergency exit
To provide an emergency exit from
the vehicle, use hammer 1 to strike
glass 2.
Depending on version, emergency
exit may be via the roof glass panel
3 44.
Rear 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 3 208.
Electronic climate control system 3 210.
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 40.
Page 53 of 353

Seats, restraints51Lumbar 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.
Page 54 of 353
52Seats, 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 86 of 353

84Instruments and controlsInstruments and
controlsControls ....................................... 85
Steering wheel adjustment ........85
Steering wheel controls .............85
Horn ........................................... 85
Steering column controls ...........85
Windscreen wiper and washer ..86
Outside temperature ..................87
Clock ......................................... 88
Power outlets ............................. 88
Inductive charging .....................90
Cigarette lighter ......................... 91
Ashtrays .................................... 91
Warning lights, gauges and indi‐ cators ........................................... 91
Instrument cluster ......................91
Speedometer ............................. 91
Odometer .................................. 92
Trip odometer ............................ 92
Tachometer ............................... 92
Fuel gauge ................................ 93
AdBlue gauge ............................ 93
Engine coolant temperature gauge ....................................... 93
Service display .......................... 94Transmission display .................94
Control indicators ......................95
Turn lights .................................. 98
Seat belt reminder .....................98
Airbag and belt tensioners .........98
Airbag deactivation ....................98
Charging system .......................99
Malfunction indicator light ..........99
Service vehicle soon .................99
Stop engine ............................. 100
Brake system ........................... 100
Parking brake .......................... 100
Antilock brake system (ABS) ...100
Gear shifting ............................ 100
Variable effort steering ............100
Lane departure warning ..........101
Electronic Stability Control ......101
Engine coolant temperature ....101
Preheating ............................... 101
AdBlue ..................................... 101
Tyre pressure monitoring system .................................... 102
Engine oil pressure ..................102
Low fuel ................................... 103
Stop-start system ....................103
Exterior light ............................ 103
Low beam ................................ 103
High beam ............................... 103
High beam assist .....................103
Front fog lights ......................... 103Rear fog light........................... 103
Cruise control .......................... 103
Active emergency braking .......104
Speed warning ........................ 104
Speed limiter ........................... 104
Tachograph ............................. 104
Door open ................................ 104
Displays ..................................... 105
Driver Information Centre ........105
Info Display .............................. 105
Vehicle messages ......................106
Warning chimes .......................107
Trip computer ............................. 108
Tachograph ................................ 109
Page 91 of 353

Instruments and controls89
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.
Page 94 of 353
92Instruments and controlsOdometer
Displays the recorded distance in km.Note
When a tachograph is fitted, the total
distance travelled may be shown
only on the tachograph.
Trip odometer
The trip odometer displays the
distance travelled since the last reset.
To reset, with the trip odometer
displayed, press and hold one of the buttons on end of wiper lever until the
value resets to 0.
Trip computer 3 108.
Tachometer
Displays the engine speed.
Drive in a low engine speed range for each gear as much as possible.
Caution
If the needle is in the red warning
zone, the maximum permitted
engine speed is exceeded. Engine at risk.