2012 MERCEDES-BENZ SPRINTER ignition

then is the electrical system fully
disconnected from the power supply.
i Only disconnect the vehicle electrical
system from the power supply using the
battery isolating switch if the vehicle is to
be parked up for a long period or if it is
absolutely necessary. After the power
supply has been activated, you must reset
the side windows ( Y page 61). Battery isolating switch in the driver's footwell, on
the right-hand side next to the accelerator pedal
! Make sure that the key is in position 0 in
the ignition lock and wait at least
20 seconds before disconnecting or
connecting the battery isolating switch.
You could otherwise damage electrical
system components.
Switching off the electrical system X
Remove the key from the ignition lock and
wait for about 20 seconds.
X Press and hold button 0047 and unplug
connector 0046 from the earth pin.
X Clamp connector 0046 under
the
accelerator
pedal so that it cannot make contact with
the earth pin.
All starter battery consumers are
disconnected from the power supply.
! When you
clamp

the connector under the
accelerator pedal, make sure that the
connector does not become damaged or
dirty. It may otherwise not be possible to restore the electrical connection when the
parts are reassembled.
Switching on the electrical system X
Insert the key into the ignition lock.
X Press connector 0046
onto
earth
pin 0047 until
you feel it engage and the lock inhibitor is
released.
The connector must be in full contact with
earth pin 0047.
All consumers are reconnected to the DC
power supply. Lighting
General notes
Legal requirements may

impose variations in
certain countries.
i When driving in countries in which traffic
drives on the opposite side of the road to
the country where the vehicle is registered,
the oncoming traffic may be dazzled. On
vehicles with halogen headlamps you must
have the headlamps partially masked. On
vehicles with Bi-Xenon headlamps you
must have the headlamps switched over
beforehand.
You will find further information in the
"Operation" section ( Y page 138).88
Lighting
Controls

Lamp failure indicator
The bulb failure indicator monitors all lamps
of the exterior lighting with the exception of
the front position lamps and the trailer
lighting. If a bulb fails, either the
0055( Y page
197)

indicator lamp lights up or
a corresponding message is shown in the
display ( Y page 209).
i Depending on the equipment, the bulb
failure indicator can be omitted for all
lamps with the exception of the turn signal
lamps. G
Warning
The bulb failure indicator is only an aid. You
are responsible for the proper functioning of
the vehicle lighting. Insufficient or non-
functioning vehicle lighting

puts the operating
safety of the vehicle at risk. You could cause
an accident and injure yourself or others.
Therefore, check the lighting equipment of
the vehicle before each journey and, if
necessary, check the operation and condition
of the trailer lighting equipment. Light switch
Configuration You can switch the vehicle lighting on or off
using the light switch.
The light switch is located between the
driver's door and the steering wheel.
0046
Light switch The symbols on the light switch have the
following meanings:
005A
Automatic headlamp mode
0027 Lights off/daytime
running lamp mode
006C Parking lamps, license plate lamp and
instrument lighting on
0064 Low-beam/high-beam headlamps
(depending on the position of the
combination switch)
Low-beam headlamps X
Turn the key to position 1 in the ignition
lock.
X Turn the light switch to 0064.
The 0064 indicator lamp in the instrument
panel lights up.
Daytime running lamp mode You can adjust daytime running lamp mode
in the on-board computer:
R
vehicles with steering wheel buttons
(Y page 74)
R vehicles without steering wheel buttons
(Y page 74)
This is not possible in countries where
daytime running lamp mode is a legal
requirement.
X Turn the light switch to 0027.
The low-beam headlamps, parking lamps
and license plate lamp are switched on
when the engine is running.
The 0064 indicator lamp in the instrument
panel lights up.
i USA only:
When you turn the light switch to 006C or
0064, the respective

light comes on. When
the light switch is turned to 005A, daytime
running lamp mode remains switched on.
i Canada only:
When you turn the light switch to 0064, the
low-beam headlamps are switched on.
When the light switch is turned to 006C or Lighting
89
Controls Z

005A, daytime running lamp mode remains
switched on.
Automatic headlamp mode Parking lamps, low-beam headlamps and the
license plate lamp are switched on
automatically depending on the ambient
light.
G
Warning!
If the light switch is set to 005A,
the low-beam
headlamps will not come on automatically if
it is foggy. This could endanger you and
others. Therefore, turn the light switch to
0064
in fog.
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times.
X Turn the light switch to 005A.
The parking lamps are switched on/off
automatically when the key is in position
1 in the ignition lock.
Parking lamps, low-beam headlamps and
the license plate

lamp are switched on/off
automatically, depending on ambient light
conditions, when the engine is running.
Front fog lamps/rear fog lamp X
Turn light switch 0046 to 0064 or 006C.
i If your vehicle is only equipped with rear
fog lamps, you

must turn the light switch to
0064.
X Front fog lamps: pull light switch 0046 out
to the first stop.
The green 0067 indicator lamp next to the
light switch lights up.
X Rear fog lamp: pull light switch 0046 out to
the second stop.
The yellow 006A

indicator lamp next to the
light switch lights up. Combination switch
0046
High-beam headlamps
0047 High beam flasher
High-beam headlamps X
To switch on: switch on the low-beam
headlamps ( Y page 89).
X Press combination switch

0046 forwards.
The 0063 indicator lamp

on the instrument
panel comes on.
High beam flasher X
Turn the key to position 1 or 2
in the ignition
lock.
X Pull the combination switch briefly in
direction 0047.
Turn signals 0046
To indicate a right turn
0047 To indicate a left turn90
Lighting
Controls

X
To indicate: press the combination switch
in desired direction 0046 or 0047, until it
engages.
The combination switch automatically
returns to its original position after large
steering movements.
X To indicate briefly: press the
combination
switch briefly in desired direction 0046
or 0047.
The corresponding turn signal flashes three
times. Cornering light function (vehicles
with Bi-Xenon headlamps)
When the low-beam

headlamps are switched
on, the cornering light function improves the
illumination of the road in the direction you
are turning.
The cornering light function switches on
automatically, if:
R you are traveling at a speed of less than
25 mph (40 km/h) and you switch on the
indicator lamp or turn the steering wheel.
R you are traveling at a speed of between
25 mph (40 km/h) and 43 mph
(70 km/h) and you turn the steering wheel.
The cornering light may continue to be lit for
a short time, but is deactivated automatically
after a maximum of three minutes. Hazard warning lamps
The hazard warning lamps work even when
the ignition is

switched off. They are activated
automatically when an air bag is deployed or
after heavy brake application from a speed of
more than 43 mph (70 km/h) that brings the
vehicle to a standstill. X
To switch on/off: press button 0046.
i If you have indicated a turn while the
hazard warning lamps

are switched on, only
the turn signal lamps on the side of the
vehicle selected will light up.
If the hazard warning lamps have been
switched on automatically, press the
hazard warning lamp switch to switch them
off. G
Warning
If you open the rear doors 90° (detent
position) or fold

down the platform tailgate on
vehicles with a platform, the rear lights are
covered.
The vehicle will then be unsafe as its rear
lights will not be visible for approaching
traffic. Other road users may not realize until
too late that it is an obstruction. This could
lead to an accident.
You should ensure that the vehicle is visible
from the rear in accordance with the relevant
national regulations, by using the warning
triangle for instance. Lighting
91
Controls Z

Front interior lighting
Standard front interior lighting 0046
To switch on the interior lighting
0047 Automatic control
008A To switch off the interior lighting
Front interior lighting with overhead
control panel 0046
To switch the left-hand reading lamp on/
off
0047 To switch the right-hand reading lamp on/
off
008A Right-hand reading lamp
0088 Interior light
0086 To switch the automatic control system
on/off
0087 To switch the interior lighting on/off
006E Left-hand reading lamp
If you switch on interior lights or the reading
lamps manually,
they

switch off automatically
after about twenty minutes. Automatic control
The interior lighting comes on when you:
R
unlock the vehicle
R open a door
R remove the key from the ignition lock
The interior lighting switches off
automatically. If a door is left open, the
interior lighting switches off after
approximately 20 minutes. Rear interior lighting
Switching the standard

interior lighting
on/off In cargo
vans/passenger vans equipped with
standard interior lighting, the switch for the
interior lighting is

located on the rear lights in
the cargo compartment/vehicle interior. Interior light with switch
0046
To switch on the interior lighting
0047 To switch off the interior lighting
008A Automatic control
Switching convenience
interior lighting
on/off In passenger vans equipped with
convenience interior lighting, the central
control switch for the rear interior lighting is
located between the steering wheel and the
ignition lock.
In addition, there is also a switch on each
interior light,
which

can be used to switch the92
Lighting
Controls

lights on/off separately, depending on the
position of the central control switch.
Central control switch for the rear interior lighting
0046
To switch on the interior lighting
0047 Automatic control
008A To switch off the interior lighting
X To activate: press
upper section 0046 on the
switch.
The interior lights are switched on if the
switches on the interior lights (Y page 92)
have not been switched to off 0047.
X To deactivate: press lower section 008A of
the switch.
The interior lights are all switched off,
regardless of the position of the switch on
the interior light.
Automatic control
X To switch on: move the central control
switch for the rear interior lighting to
position 0047.
If the switches on the interior lights
(Y page 92) are set to automatic control
008A, the interior lights come on as soon as
you open a door or unlock the vehicle.
i The interior
lights

switch off automatically
after twenty minutes.
In order to switch the interior lights on
again, you must:
R open a door
R switch on the ignition again Cargo compartment motion detector The interior lighting is also switched on by the
motion detector
in

the cargo compartment on
cargo vans equipped with this feature. G
Warning
Motion detectors use the invisible infrared
radiation emitted by LEDs (light emitting
diodes).
Do not view invisible infrared radiation, laser
class 1M, directly using optical instruments,
such as eyeglasses.
Your eyes could be injured.
If

the motion detector detects a movement in
the cargo compartment when the vehicle is
stationary, the interior lighting switches on
for approximately two minutes.
The interior lighting can be switched on by the
motion detector within four seconds if:
R the interior light switch (Y page 92) is set
to "Automatic control"
R the vehicle is stationary, the parking brake
is applied and the brake pedal is not being
depressed
or
R the selector lever is in position P on
vehicles with automatic transmission and
the brake pedal is not being depressed and
R the vehicle has not been locked from the
outside using the key
The motion detector switches off
automatically if no change is detected in the
vehicle for several hours, e.g. door opened,
ignition key turned, etc. This prevents the
battery from becoming discharged. Lighting
93
Controls Z

Good visibility
Windshield wipers
0046
Single wipe/to wipe with washer fluid
(Y page 95)
0047 To switch on the windshield wipers
Switching on the windshield wipers X
Turn the key to position 1 or 2 in the
ignition lock.
! Vehicles with rain/light sensor:
Switch the wipers off in dry weather.
Otherwise, dirt or

optical effects may cause
undesired windshield wiper sweeps. This
could then damage the windshield wiper
blades or scratch the windshield.
X Turn the combination switch in the
direction of arrow 0047 to the appropriate
setting depending on the intensity of the
rain.
The detent positions of the combination
switch correspond to the following wiper
speeds:
0 Windshield wipers off
I Intermittent wipe
II Normal wipe
III Rapid wipe
i Canada only:
If the windshield wipers are switched on
and you stop the vehicle, the windshield
wiper speed is

reduced. For example, if you
have selected level II and stop the vehicle, wiping continues with intermittent wipe
while the vehicle is stationary. If
intermittent wipe is selected, the intervals
become longer.
Vehicles with a rain/light sensor:
you
can use level I as

the universal setting. The
rain/light sensor sets the appropriate
wiping frequency automatically, according
to the intensity of the rain. When you stop
the vehicle, levels III and II are switched
down to level I automatically.
The windshield wipers will return to the
original level when you drive faster than
5 mph (8 km/h) again.
Setting the sensitivity of the rain/light
sensor . Rear window wiper
The rear window wiper switches on
automatically if you

engage reverse gear and
the windshield wipers are on. 0046
Switch
004B To wipe with washer fluid
004C Intermittent wipe
004D To switch off the windshield wiper
004E To wipe with washer fluid
X Turn the key to position 1
or 2 in the
ignition lock.
X Turn switch 0046 to the corresponding
position94
Good visibility
Controls

X
To switch off the auxiliary heating: press
the 0086
switch.
or
X Turn the key to position 0 in the ignition
lock.
The red indicator lamp in the switch goes
out.
The auxiliary heating operates for about
another two minutes

and then switches off
automatically.
Selecting a switch-on time You can use the on-board computer to define
up to
three

switch-on times, one of which can
be selected.
On-board computer without steering
wheel buttons
X Turn the SmartKey to position 2 in the
ignition lock.
X Press the 0086 switch.
The 0086 symbol in the display flashes.
or
X Press the 007B menu button on the
instrument cluster repeatedly until the
0086 symbol flashes in the display.
X Use the 0069 or 006A
buttons on the instrument
cluster to select switch-on time 1 to 3
The switch-on time selected is displayed.
X Wait 10 seconds for the standard display to
appear.
The switch-on time is selected. The yellow
indicator lamp in the 0086 switch comes
on.
If you have not preselected a switch-on time
and --:-- is
shown

in the display, this means
that automatic switch-on mode is
deactivated. The yellow indicator lamp in the
0086 switch goes out.
i If you turn the key to position 0 in the
ignition lock, the yellow indicator lamp in
the 0086 switch goes off after 30 minutes. The red indicator lamp in the
0086 switch
comes on when the auxiliary heating
switches on.
On-board computer with steering wheel
buttons
X Turn the SmartKey to position 2 in the
ignition lock.
X Press the 0086 switch.
The Aux. heating submenu is shown in
the display.
The selection marker highlights the
preselected switch-on
time,

or Timer off,
if no switch-on time has been preselected. i
You can also access the Aux. heating
submenu via the Settings(Y page 79)
menu.
X Use the 005A or 005B buttons on the
steering wheel
to

select the desired switch-
on time.
Use the Timer off setting to deactivate
automatic switch on.
X Press the 0059 menu button on the
steering wheel.
The switch-on time is selected. The yellow
indicator lamp in the 0086 switch comes
on.
i If you turn the key to position 0 in the
ignition lock, the yellow indicator lamp in
the 0086 switch goes

off after 30 minutes.
The red indicator lamp in the 0086 switch
comes on when the auxiliary heating
switches on. 106
Climate control
Controls