2010 MERCEDES-BENZ R320 warning

G
Warning!
In low ambient lighting or foggy conditions,
only switch from position à to L with
the vehicle at a standstill in a safe location.
Switching from à to L will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions may
result in an accident.
Fog lamps will operate with the parking lamps
and/or the low-beam headlamps on. Fog
lamps should only be used in conjunction with
low-beam headlamps. Consult your State or
Province Motor Vehicle Regulations
regarding permissible lamp operation.
X Switch on the ignition.
X Turn the exterior lamp switch to position
T or L (Y page 97).
X Switching on front fog lamps: Pull out the
exterior lamp switch to first stop.
The green indicator lamp N in the
exterior lamp switch comes on.
X Switching on rear fog lamp: Pull out the
exterior lamp switch to second stop.
The rear fog lamp, the front fog lamps, the
green and the yellow indicator lamp R
in the exterior lamp switch come on.
X Switching off front fog lamps/rear fog
lamp: Push in the exterior lamp switch to
its stop.
Locator lighting and night security
illumination Locator lighting and night security
illumination are described in the “Control
system” section, see “Switching locator
lighting on or off” (Y page 135) and
“Switching night security illumination
(Headlamps delayed shut-off feature) on or
off” (Y page 135). Combination switch
Turn signals
X
Press the combination switch in direction
of arrow ; or ?.
The corresponding turn signal indicator
lamp ! or # in the instrument
cluster flashes.
The combination switch resets automatically
after major steering wheel movements.
i To signal minor directional changes such
as changing lanes, press the combination
switch only to point of resistance and
release. The corresponding turn signal
lamps will flash three times.
High beam X
Turn the exterior lamp switch to position
L (Y page 97).
X Switching on: Push the combination
switch in direction of arrow :.
The high-beam headlamp indicator lamp
K in the instrument cluster comes on.
X Switching off: Pull the combination switch
in direction of arrow = to its original
position.
i Also note the information on high-beam
headlamps with activated automatic
headlamp mode (Y page 98) or the daytime
running lamp mode ( Y page 99).100
LightingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 100

High-beam flasher
X
Switching on: Pull the combination switch
briefly in direction of arrow =.Hazard warning flasher
The hazard warning flasher can be switched
on at all times, even with the SmartKey
removed from the starter switch.
The hazard warning flasher comes on
automatically when an air bag deploys. X
Switching on: Press hazard warning
flasher switch :.
All turn signal lamps are flashing.
i With the hazard warning flasher activated
and the combination switch set for either
left or right turn, only the respective left or
right turn signals will operate when the
ignition is switched on.
X Switching off: Press hazard warning
flasher switch : again.
i If the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch : to switch it off.Headlamp cleaning system
The headlamps will be cleaned with a high-
pressure water jet automatically when the
engine is running and you have
R switched on the headlamps and
R the windshield wipers have wiped the
windshield with washer fluid five times
The counter resets when you switch off the
headlamps.
For information on filling up the washer
reservoir, see “Washer system and headlamp
cleaning system” ( Y page 226). Corner-illuminating front fog lamps
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
only operate
R in low ambient lighting conditions
R at vehicle speeds below 25 mph
(40 km/h)
R with the front fog lamps switched off
R when the engine is running
Switching on X
Turn the exterior lamp switch to position
L or Ã.
or
X Activate the daytime running lamp mode
(Y page 99).
X Switch on the left or right turn signal,
depending on whether you are turning left
or right.
The respective front fog lamp comes on. If
you have switched on the turn signal for
one side but turn the steering wheel in the
other direction, the corner-illuminating
front fog lamp on the side of the turn signal
comes on.
or
X Turn the steering wheel in the desired
direction.
Driving forward: The front fog lamp on the
side of your steering direction comes on. Lighting
101Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 101 Z

i
If a door remains open, the interior lamps
go out automatically after approximately
5 minutes when the SmartKey is removed
or in starter switch position 0.
X Deactivating: Press button ~.
Button ~ engages.
Manual control !
An interior lamp switched on manually
does not go out automatically.
Leaving an interior lamp switched on for an
extended period of time with the engine
turned off could result in a discharged
battery.
X Switching front interior lighting on/
off: Press switch c.
X Switching rear interior lighting on/off:
Press switch v.
X Switching front reading lamps on/off:
Press respective switch p.
Emergency lighting The interior lighting comes on automatically
if the vehicle is involved in an accident.
Switching off:
X
Press button ~.
or
X Press hazard warning flasher switch
(Y page 101).
or
X Unlock the vehicle with the SmartKey. Interior lighting in the rear
! An interior lamp switched on manually
does not go out automatically.
Leaving an interior lamp switched on for an
extended period of time with the engine
turned off could result in a discharged
battery. Second-row reading lamps
X
Switching rear reading lamps on/off:
Press second-row reading lamp : where
indicated by the arrow.
Third-row reading lamps and interior
lighting :
p Right third-row reading lamp on/off
; p Left third-row reading lamp on/off
= Left third-row reading lamp
? Rear interior lighting
A Right third-row reading lamp
i The rear interior lighting is switched on
and off using the button on the front
overhead control panel ( Y page 102). Wipers
Notes
! Do not operate the wipers when the
windshield/rear window is dry. Dust that Wipers
103Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 103 Z

If the windshield wipers fail to function at
all with the combination switch in position
Ä or Å,
R
set the combination switch to the next
higher wiper speed
R have the windshield wipers checked at
the nearest authorized Mercedes-Benz
Center Power windows
Opening and closing
The door windows and the hinged quarter
windows are opened and closed electrically.
The switches for all door windows and the
hinged quarter windows are located on the
driver’s door control panel. The switches for
the respective door windows are located on
the front passenger door and the rear doors.
The
hinged quarter windows can be operated
from the driver’s seat only.
i Operating the rear door windows from
the rear is not possible when you activate
the override switch (Y page 62). G
Observe Safety notes, see page 55. G
Warning!
When opening or closing the windows, make
sure there is no danger of anyone being
harmed by the opening/closing procedure.
The door windows are equipped with the
express operation and automatic reversal
function.

If in express operation mode a door
window encounters an obstruction that
blocks its path, the automatic reversal
function will stop the door window and open
it slightly.
The door windows operate differently when
the switch is pulled and held. See the “Closing
when a door window is blocked” section in
this chapter for details.
The closing of a door window can be
immediately halted by releasing the switch or, if the switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
The

closing of the hinged quarter windows can
be immediately halted by pressing or pulling
the switch.
If a window encounters an obstruction that
blocks its path in a circumstance where you
are closing the windows by pressing and
holding button & on the SmartKey or by
pressing and holding the lock button (vehicles
with KEYLESS-GO) on an outside door handle,
the automatic reversal function will not
operate.
Activate the override switch when children
are riding in the back seats of the vehicle. The
children may otherwise injure themselves,
e.g. by becoming trapped in the window
opening. G
Warning!
Do not keep any part of your body up against
the
window pane when opening a window. The
downward motion of the pane may pull that
part of your body down between the window
pane and the door frame and trap it there. If
there is a risk of entrapment, release the
switch and pull it to close the window.
i You can also open or close the windows
using the SmartKey, see “Summer opening
feature” ( Y page 108) and “Convenience
closing feature” ( Y page 108).
i After switching off the ignition or
removing the SmartKey from the starter
switch, you can operate the windows until
you open the driver’s or front passenger
door. If no door was opened you can
operate the windows for up to 5 minutes. 106
Power windows
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 106

Door windows
X
Switch on the ignition.
X Opening/closing: Press or pull and hold
switch : to ? to the resistance point.
The corresponding window moves
downward or upward until you release the
switch.
X Express operation: Press or pull
switch : to ? past the resistance point
and release.
The corresponding window opens or closes
completely.
X Stopping during express operation:
Press or pull the respective switch again.
Closing when a door window is blocked G
Warning!
Make sure that nobody can become trapped
and be seriously or even fatally injured when
closing a door window with greater force or
without automatic reversal function.
If the upward movement of a door window is
blocked during the closing procedure, the
door window will stop and open slightly.
X Immediately after the door window has
stopped because it was blocked, pull and
hold the respective switch upward until the
door window is fully closed.
The door window closes with greater force. If the door window is blocked again and opens
slightly:
X
Immediately after the door window was
blocked, pull and hold the respective
switch upward until the door window is fully
closed.
The door window closes without automatic
reversal function. G
Warning!
Pulling and holding the switch to close the
door window immediately after it had been
blocked two times will cause the door window
to close without any reversal function for as
long as you hold the switch.
Hinged quarter windows X
Switch on the ignition.
X Opening: Press switch A and release.
Both hinged quarter windows open
completely.
X Closing: Pull switch A and release.
Both hinged quarter windows close
completely.
i When the obstruction sensor detects that
a hinged quarter windows is blocked during
the closing process, they will stop and open
slightly.
X Halting closing process: Press or pull
switch A once more during the closing
process.
The hinged quarter windows will stop and
open completely.
i For your safety, the hinged quarter
windows cannot be opened again until
4 seconds have passed. Synchronizing door windows
The door windows must be synchronized after
the battery has been disconnected or if the
door windows cannot be fully closed (express
operation). Power windows
107Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 107 Z

Each door window must be synchronized
separately.
X
Close all doors.
X Switch on the ignition.
X Pull and hold switch :, ;, = or ?
(Y page 107) until the respective door
window is closed.
The door window opens again slightly.
X Pull and hold the respective switch once
more
immediately until the door window is
closed completely.
X Hold the respective switch for
approximately 1 second.
The door window is synchronized. Summer opening feature
When
the weather is warm, you can ventilate
the vehicle before driving off by
simultaneously
R opening the door windows
R opening the hinged quarter windows
R opening the tilt/sliding sunroof
R opening the panorama roof with power tilt/
sliding panel and roller sunblinds
The summer opening feature can only be
activated via the remote control of the
SmartKey. The SmartKey must be in close
proximity to the driver’s outside door handle.
X Aim the transmitter eye of the SmartKey at
the driver’s outside door handle.
Vehicles without panorama roof with
power tilt/sliding panel X
Press and hold button % on the
SmartKey until the windows and the tilt/
sliding sunroof have reached the desired
position.
The vehicle unlocks.
X Release button % on the SmartKey to
interrupt the opening procedure. Vehicles with panorama roof with
power tilt/sliding panel When roller sunblinds are extended:
X
Press and hold button % on the
SmartKey.
The vehicle unlocks.
The

windows open and the roller sunblinds
begin to retract after approximately
1 second.
X With the windows opened and the roller
sunblinds fully retracted, press and hold
button % on the SmartKey again.
The tilt/sliding panel opens.
X Release button % on the SmartKey to
interrupt the opening procedure.
When roller sunblinds are retracted:
X Press and hold button % on the
SmartKey.
The vehicle unlocks.
The windows and the tilt/sliding panel
opens after approximately 1 second.
X Release button % on the SmartKey to
interrupt the opening procedure. Convenience closing feature
When locking the vehicle, you can
simultaneously close
R the door windows
R the hinged quarter windows
R the tilt/sliding sunroof
R the panorama roof with power tilt/sliding
panel
Afterward, you can extend the roller
sunblinds of the panorama roof with power
tilt/sliding panel. G
Warning!
When closing the windows and the tilt/sliding
sunroof or panorama roof with power tilt/
sliding

panel, make sure there is no danger of 108
Power windows
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 108

windows and the tilt/sliding panel are
closed completely.
X Press and hold the lock button on an
outside door handle again.
The roller sunblinds extend.
X Release the lock button on the outside door
handle to interrupt the closing procedure.
When tilt/sliding panel is closed:
X Press and hold the lock button on an
outside door handle ( Y page 73) until the
windows and the roller sunblinds are
closed completely.
X Release the lock button on the outside door
handle to interrupt the closing procedure. Driving and parking
Safety notes
G
Warning!
Make sure absolutely no objects are
obstructing the pedals’ range of movement.
Keep the driver’s footwell clear of all
obstacles. If there are any floormats or
carpets in the footwell, make sure the pedals
still have sufficient clearance.
During sudden driving or braking maneuvers
the objects could get caught between the
pedals. You could then no longer brake or
accelerate. This could lead to accidents and
injury. G
Warning!
With the engine not running, there is no power
assistance for the brake and steering
systems. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to brake and steer the
vehicle. Adapt your driving accordingly. Starting the engine
G
Warning!
Inhalation of exhaust gas is hazardous to your
health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause
unconsciousness and possible death.
Do not run the engine in confined areas (such
as a garage) which are not properly ventilated.
If you think that exhaust gas fumes are
entering the vehicle while driving, have the
cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one
window fully open at all times.
Automatic transmission Gearshift pattern for automatic transmission
:
Button for selecting park position P
j Park position
k Reverse gear
i Neutral position
h Drive position
For more information on how to operate the
gear selector lever, see “Automatic
transmission” (Y page 115).
X Make sure the automatic transmission is in
park position P.
The transmission position indicator in the
multifunction display should be on P
(Y page 118). 110
Driving and parkingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 110

With SmartKey
X
Do not depress the accelerator pedal.
X Gasoline engine: Turn the SmartKey in the
starter switch to position 3 (Y page 79) and
release it.
The engine starts automatically.
X Diesel engine: Turn the SmartKey in the
starter switch to position 2 (Y page 79).
Preglow indicator lamp % in the
instrument cluster comes on.
X As soon as preglow indicator lamp %
goes out, turn the SmartKey in the starter
switch to position 3 and release it.
The engine starts automatically.
i If the engine is at operating temperature,
preglow indicator lamp % may not stay
on and you can start the engine without
preglowing.
With KEYLESS-GO G
Warning!
As long as the SmartKey is in your vehicle, the
vehicle can be started. Therefore, never leave
children unattended in the vehicle, as they
could otherwise accidentally start the engine.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. A
child’s unsupervised access to a vehicle could
result in an accident and/or serious personal
injury.
You can start your vehicle without the
SmartKey in the starter switch using the
KEYLESS-GO start/stop button.
The SmartKey must be located in the vehicle. KEYLESS-GO start/stop button
:
USA only
; Canada only
X Make sure the KEYLESS-GO start/stop
button is inserted in the starter switch
(Y page 80).
i To start the engine with the SmartKey
instead of the KEYLESS-GO function,
remove the KEYLESS-GO start/stop button
from the starter switch. Proceed as
described in “With SmartKey”
(Y page 111).
X Depress the brake pedal during the starting
procedure.
X Do not depress the accelerator pedal.
X Gasoline engine: Press the KEYLESS-GO
start/stop button once.
The engine starts automatically.
X Diesel engine: Press the KEYLESS-GO
start/stop button once.
The engine preglows and starts
automatically.
i If the engine is at operating temperature,
the time the engine needs to preglow is
reduced.
Starting difficulties !
Remember that extended starting
attempts can drain the battery. Driving and parking
111Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 111 Z