Page 17 of 271
In brief15Exterior lighting
Turn outer light switch:
7:off0:sidelights9 P:headlightsAUTO:automatic light control:
headlights are switched on
and off automatically.
Lighting 3 112.
Automatic light control 3 112.
Headlight warning device 3 108.
Cornering lights 3 115.
Front and rear fog lights
Turn inner light switch:
>:front fog lightsø:rear fog lights
Front fog lights 3 116.
Rear fog lights 3 116.
Headlight flash, high beam and
low beam
Pull stalk.
High beam 3 113.
Headlight flash 3 114.
Page 18 of 271
16In briefTurn lightsstalk up:right turn lightstalk down:left turn light
Turn lights 3 115.
Hazard warning flashers
Operated by pressing ¨.
Hazard warning flashers 3 115.
Horn
Press j.
Horn 3 88.
Page 33 of 271

Keys, doors and windows31Warning lights in the appropriate
doors extinguish.
To unlock, press 0 side of switch.
Warning lights in the appropriate
doors illuminate continuously.
Fault
In the event of a fault in the system,
the warning light alongside the switch
illuminates continuously and an
audible warning will sound.
Check the doors are manually
unlocked (interior door lock switches).
If necessary, have the cause of the
fault remedied by a workshop.
Automatic lockingAutomatic locking after driving off
Depending on version, this security
feature can be configured to
automatically lock all doors and the
load compartment as soon as the
vehicle is driven.
Activation
With the ignition switched on, press
and hold the central locking switch e
for approx. 5 seconds. An audible
signal confirms activation.
LED in switch illuminates when the
vehicle is locked.
Deactivation
With the ignition switched on, press
and hold e for approx. 5 seconds. An
audible signal confirms deactivation.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Press down the child lock, door
cannot be opened from the inside.
Raise to deactivate.
Page 38 of 271
36Keys, doors and windows
The left-hand rear door is then
released using the lever.
9 Warning
The rear lights may be obscured if
the rear doors are open and the
vehicle is parked on the roadside.
Make other road users aware of the vehicle, by using a warning
triangle or other equipment
specified in the road traffic
regulations.
The doors are retained in the 90º
position by locking stays.
To open the doors to 180º or further
(depending on model) release locking
stays from the catches on the door
frames and swing doors open to the
desired position.
When opening the doors to 270º, the doors are retained in the fully open
position by magnets on the body side.9 Warning
Ensure extended opening doors
are secured when fully opened.
Opened doors may slam due to
the force of the wind!
When closing the doors, secure each
locking stay to the catch on the door
frame.
Page 39 of 271

Keys, doors and windows37The rear doors can be locked from
inside the vehicle with the interior lock
switch on the inside of the right-hand
door.
Always close the left-hand door
before the right-hand door.
Combi, Bus In left-hand drive vehicles, the rear
doors are opened from inside the
vehicle by pulling the interior handle.
In right-hand drive vehicles, from
inside the vehicle pull the interior
handle on the right-hand door and
open, then release the left-hand door by lowering the lever and open.
Always close the left-hand door
before the right-hand door.9 Danger
Do not drive with the rear doors
open or ajar, e.g. when
transporting bulky objects, since
toxic exhaust gases, which cannot
be seen or smelled, could enter
the vehicle. This can cause
unconsciousness and even death.
Vehicle security
Anti-theft locking system9 Warning
Do not use the system if there are
people in the vehicle! The doorscannot be unlocked from the
inside.
The system deadlocks the doors. All
doors must be closed or the system
cannot be activated.
Note
The anti-theft locking system cannot be activated when the hazard
warning lights or sidelights are
switched on.
Activation and deactivation are not
possible with the central locking
switch.
2-button and 3-button remote
control operation
Activation
Press e twice within 3 seconds.
Hazard warning lights flash
five times as confirmation.
Deactivation
Unlock the doors by pressing c on the
remote control.
Electronic key system operation Operation is confirmed by the hazard warning flashers.
Page 40 of 271

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.
Page 41 of 271

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
Page 89 of 271

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
Upshift ..................................... 102
Lane departure warning ..........103
Electronic Stability Program ....103
Electronic Stability Program 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 .....................105Fog light................................... 105
Rear 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