2006 MERCEDES-BENZ R350 battery

118 Controls in detailLocking and unlockingFactory setting
Global unlocking
Grasp an outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of
unlocking if


neither door nor tailgate is opened


the central locking switch is not
activatedGlobal locking

Press the lock button at an outside
door handle (
page 68) or the tailgate
(
page 120).
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs on the doors move
down. The anti-theft alarm system is
armed.Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you grasp the driv-
er’s door handle only the driver’s door and
the fuel filler flap unlocks.

Press and hold buttonsŒ and‹
simultaneously for about 6 seconds
until battery check lamp5
(page 115) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap

Grasp the driver’s outside door handle.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is dis-
armed.
i If the vehicle has been parked for more
than 72 hours, you must pull an outside
door handle in order to activate the
KEYLESS-GO function.
iThe vehicle could be inadvertently
unlocked if the SmartKey with
KEYLESS-GO is within 3 ft (1 m) of the
vehicle and

an outside door handle is splashed
with water
or


you attempt to clean the outside
door handle

119 Controls in detail
Locking and unlocking
Global unlocking
Grasp any outside door handle other
than the driver’s outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Global locking

Press the lock button on an outside
door handle (
page 68) or the tailgate
(
page 120).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about 6 seconds
until battery check lamp5
(page 115) flashes twice.Checking the battery

Press button‹orŒ.
Battery check lamp5 (
page 115)
comes on briefly to indicate that the
SmartKey with KEYLESS-GO battery is
in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the battery in the
SmartKey is discharged, the SmartKey
with KEYLESS-GO is malfunctioning or
the vehicle battery is drained.

Check the battery in the SmartKey
with KEYLESS-GO (
page 119)
and replace it if necessary
(
page 463).


Use the mechanical key to unlock
the driver’ door (
page 459).


Lock the vehicle as described in the
“Practical hints” section
(page 460).


Have the vehicle battery and the
vehicle battery connections
checked (
page 487).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Light Truck Center.
iIf battery check lamp5 (
page 115)
does not come on briefly during check,
the SmartKey with KEYLESS-GO bat-
tery is discharged.
Replace the battery (
page 463).
You can obtain the required battery at
any authorized Mercedes-Benz Light
Truck Center.
iIf the battery is checked within signal
range of the vehicle, pressing the
button‹orŒ will lock or un-
lock the vehicle accordingly.

211 Controls in detail
Good visibility
Power folding exterior rear view mirrors*
Folding the exterior rear view mirrors
in and out automatically
When the corresponding function in the
control system is activated (
page 191):


The exterior rear view mirrors automat-
ically fold in as soon as the vehicle is
locked from the outside.


The exterior rear view mirrors automat-
ically fold out as soon as the vehicle is
unlocked and the driver’s or front pas-
senger door are subsequently opened.Synchronizing exterior rear view
mirrors
The power folding rear view mirrors may
have to be synchronized after the vehicle
battery has been disconnected or dis-
charged. If the exterior rear view mirrors
do not fold properly upon locking or un-
locking the vehicle although the corre-
sponding function in the control system is
activated (
page 191), do the following:

Fold each exterior rear view mirror in
completely (
page 212).

Fold each exterior rear view mirror out
completely (
page 212).
When the exterior rear view mirrors fold
properly upon locking the vehicle, the exte-
rior mirrors are synchronized. Otherwise
repeat the above steps.Folding the exterior rear view mirrors
in and out manually
The button is located on the door control
panel.
1Button for folding exterior rear view
mirrors in and out

Switch on the ignition (
page 38).
!Before you drive the vehicle through an
automatic car wash, fold the exterior
rear view mirrors in. Otherwise they
may get damaged.
iThe exterior rear view mirrors can vi-
brate if they are not folded out com-
pletely.

215 Controls in detail
Good visibility
Rear window defroster
The rear window defroster uses a large
amount of power. To keep battery drain to
a minimum, switch off the defroster as
soon as the rear window is clear. The de-
froster is automatically deactivated after
approximately 6 to 17 minutes of
operation depending on the outside tem-
perature.
Activating
Switch on the ignition (
page 38).

Press button1 on the climate con-
trol panel (
page 218) or the automat-
ic climate control* panel (
page 232).
The indicator lamp on the button
comes on.Deactivating

Press button3 again.
The indicator lamp on the button goes
out.Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.
!If the rear window defroster switches
off too soon and the indicator lamp
starts flashing, too many electrical con-
sumers are operating simultaneously
and there is insufficient voltage in the
battery. The system responds automat-
ically by switching the rear window de-
froster off.
As soon as the battery has sufficient
voltage, the rear window defroster
switches back on automatically.

227 Controls in detail
Climate control
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the climate
control system. The air in the vehicle will
then no longer be cooled or dehumidified.
Press button9 (
page 218).
The indicator lamp on the button goes
out.Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.

Press button9 (
page 218) again.
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.
!If the air conditioning cannot be turned
on again, this indicates that the air con-
ditioning is losing refrigerant. The com-
pressor has turned off.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Light Truck Center.
iHow long the system will provide heat-
ing depends on

the coolant temperature


the battery voltage
Regardless of the temperature and air
volume set on the climate control
panel, an interior temperature is aimed
at by 72°F (22°C) and the blower runs
on low speed to protect the vehicle bat-
tery.

228 Controls in detailClimate controlActivating
Switch off the ignition (
page 38).

Press button9 (
page 218).
The indicator lamp on button comes
on.
Deactivating

Press button9 (
page 218) again.
The indicator lamp on the button goes
out.
Rear climate controlRear climate control panel
Activating rear climate control
Press buttonU.
The indicator lamp on the button
comes on. The air volume and air distri-
bution are adjusted automatically.
iThe residual heat is automatically
turned off:

when the ignition is switched on


after about 30 minutes


if the coolant temperature is too
low


if the battery voltage drops
1
Rear climate control on
(automatic mode)
2
Air distribution (directs air through
the center air vents)
3
Rear air conditioning off
4
Air distribution (directs air through
the footwells and side air vents)
5
Right rear center air vent, adjustable
6
Left rear center air vent, adjustableiThe climate control must be switched
on (
page 220).

243 Controls in detail
3-zone automatic climate control*
Deactivating
Press button; (
page 232) again.
The indicator lamp on the button goes
out.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.Activating

Switch off the ignition (
page 38).

Press button9 (
page 232).
The indicator lamp on the button
comes on.
Deactivating

Press button9.
The indicator lamp on the button goes
out.
iIf you manually set the temperature, air
volume or air distribution for the pas-
senger side or the rear passenger com-
partment when the MONO setting is
active, the MONO setting will be
switched off.
iHow long the system will provide heat-
ing depends on

the coolant temperature


the battery voltage
Regardless of the temperature and air
volume set on the automatic climate
control panel, an interior temperature
is aimed at by 72°F (22°C) and the
blower runs on low speed to protect
the vehicle battery.
iThe residual heat is automatically
turned off:

when the ignition is switched on


after about 30 minutes


if the coolant temperature is too
low


if the battery voltage drops

251 Controls in detail
Power windows
Closing
Press and release switch 2.
To stop the hinged quarter window:

Press and release switch 2 once
more.
Synchronizing the door windows
The door windows must be resynchronized

after the battery was disconnected


if the door windows cannot be fully
opened (Express-open) or closed
(Express-close)

Close all doors.

Switch on the ignition (
page 38).

Pull and hold door window switch1,
2, 3, or6 (
page 248).
Once a door window is closed com-
pletely, hold the respective switch for
approximately 3 seconds.
The door window is synchronized.
Summer opening feature
If the weather is warm, you can ventilate
the vehicle before driving off by simulta-
neously

opening the door windows


opening the hinged quarter windows


opening the tilt/sliding sunroof*
(or tilt/sliding panel*)

Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle.
The SmartKey or SmartKey with
KEYLESS-GO* must be in close proxim-
ity to the driver’s outside door handle.
iWhen the obstruction sensor detects
the hinged quarter window is blocked
during the closing process, it will stop
and open slightly.
iEach door window must be resynchro-
nized separately.