2007 MERCEDES-BENZ R320CDI heating

Contents
Safety and Security.......................... 71
Occupant safety................................... 72
Air bags .......................................... 74
Seat belts ....................................... 79
Active head restraints .................... 83
Rear head restraints ....................... 84
Children in the vehicle .................... 84
Blocking of rear door window
operation ........................................ 97
Panic alarm .......................................... 99
Activating ....................................... 99
Deactivating ................................... 99
Driving safety systems ....................... 100
ABS .............................................. 100
BAS .............................................. 102
ESP
®............................................. 102
EBP............................................... 105
4-ETS ............................................ 106
Anti-theft systems.............................. 107
Immobilizer................................... 107
Anti-theft alarm system ................ 107
Controls in detail............................. 111
Locking and unlocking ....................... 112
SmartKey ..................................... 112
SmartKey with KEYLESS-GO* ...... 116
Opening the doors from the
inside ........................................... 122
Opening the tailgate ..................... 123
Closing the tailgate ...................... 125
Automatic central locking ............ 130
Locking and unlocking from the
inside ........................................... 130
Seats ................................................. 132
Easy-entry/exit feature ................ 132
Lumbar support............................ 136
Multicontour seat* ....................... 136
Front seat active head
restraints...................................... 137
Rear seats .................................... 137
Seat heating* ............................... 142
Seat ventilation* .......................... 143Memory function* ............................. 144
Storing positions into memory ..... 145
Recalling positions from
memory........................................ 145
Lighting ............................................. 146
Exterior lamp switch .................... 146
Combination switch ..................... 150
Corner-illuminating front
fog lamps* ................................... 151
Hazard warning flasher ................ 152
Interior lighting ............................ 153
Door entry lamps ......................... 155
Cargo compartment lamp ............ 155
Instrument cluster ............................. 156
Adjusting instrument cluster
illumination .................................. 157
Resetting the trip odometer ......... 157
Tachometer .................................. 157
Outside temperature indicator ..... 158

31 At a glance
Center console
Center console
Upper partItemPage
1COMAND system, see
separate operating
instructions
2Climate control218
3-zone automatic climate
control*232
Rear window defroster217
3Seat heating*,
front passenger side142
4Seat ventilation*,
front passenger side143
5Vehicle level control
switch*289
6Program mode selector
switch for automatic
transmission206
ItemPage
7Front passenger front air
bag off indicator lamp 92,
431
8Hazard warning flasher152
9Alarm system indicator
lamp108
aParking assist (Parktronic
system)* deactivation
switch294
bElectronic Stability Program
(ESP®) switch
104
cSeat ventilation*,
driver’s side143
dSeat heating*, driver’s side142
eAdaptive damping system
(ADS)* switch286

106 Safety and Security
Driving safety systems
4-ETS
The 4-Electronic Traction System (4-ETS)
improves the vehicle’s ability to utilize
available traction, especially under slip-
pery road conditions. The brakes are ap-
plied to the spinning wheel and power is
transferred to the wheel(s) with traction.
The ESP
® warning lampvin the instru-
ment cluster starts to flash at any vehicle
speed, as soon as a tire loses traction and
the wheel begins to spin.
For more information, see the “Practical
hints” section (
page 420) and
(
page 433).
Warning!G
When you see the ESP® warning lampv
flashing in the instrument cluster, then pro-
ceed as follows:

While driving off, apply as little throttle
as possible.

While driving, ease up on the accelera-
tor.

Adapt your speed and driving style to
the prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid.
The 4-ETS cannot prevent accidents resul-
ting from excessive speed.
!Operational or performance test must only
be conducted on a two-axle dynamometer. If
such tests are necessary, contact an authorized
Mercedes-Benz Light Truck Center. You could
otherwise seriously damage the brake system or
the transfer case which is not covered by the
Mercedes-Benz Limited Warranty.
!Because the ESP® operates automatically,
the engine and ignition must be shut off
(SmartKey in starter switch position0 or1 or
KEYLESS-GO* start/stop button in
position0or1) when testing the brakes on a
brake test dynamometer and such testing should
be no longer than 10 seconds.
Active braking action through ESP
® may other-
wise seriously damage the brake system which is
not covered by the Mercedes-Benz Limited
Warranty.
iIf the yellow ESP® warning lampv
comes on while driving, the 4-ETS is being
switched off temporarily to prevent overheating
of the drive wheel brakes. In addition, the
message
ABS, ESP unavailable See
Operator’s Manual
appears in the
multifunction display.

142 Controls in detail
Seats
Seat heating*
The switches for front-seat heating are lo-
cated in the center console.
1Seat heating switch, front seats
2Indicator lamps
The switches for the second-row seats are
located in the rear center console.1Seat heating switch, second-row seats
2Indicator lampsThe red indicator lamps in the switch come
on to show which heating level you have
selected.
Switch on the ignition (page 39).
Level
3Three indicator lamps on
(highest level)
The seat heating automatically
switches to level 2 after approxi-
mately 5 minutes.
2Two indicator lamps on
The seat heating automatically
switches to level 1 after approxi-
mately 10 minutes.
1One indicator lamp on
(lowest level)
The seat heating automatically
switches off after approximately
20 minutes.
offNo indicator lamp on.

143 Controls in detail
Seats
Switching on
Press switch1.
Three red indicator lamps2 in the
switch come on.
Continue pressing switch1 until
desired seat heating level is reached.
Switching off
Press switch1 repeatedly until all
indicator lamps2 go out.
Seat ventilation*
The switches for the seat ventilation are
located in the center console.
1Seat ventilation switch, front seats
2Indicator lampsThe blue indicator lamps in the switch
come on to show which ventilation level
you have selected.
Switch on the ignition (page 39).
Switching on
Press switch1 repeatedly until the
desired ventilation level is set.
Switching off
Press switch1 repeatedly until all
indicator lamps2 go out.
iIf one or more of the indicator lamps2 on
seat heating switch 1 (
page 142) are flash-
ing, there is insufficient voltage due to too many
electrical consumers being switched on. The
seat heating switches off automatically.
The seat heating will switch back on again auto-
matically as soon as sufficient voltage is avail-
able.
Level
3Three indicator lamps on
(highest level)
2Two indicator lamps on
1One indicator lamp on
(lowest level)
offNo indicator lamp on
iThe seat ventilation for the driver’s seat is
automatically set to the highest level if activated
via summer opening feature (
page 254).

225 Controls in detail
Climate control
The climate control switches to the follow-
ing functions automatically:

maximum blower speed and heating
power

air flows onto the windshield and the
front side windows (side air vents must
be open)

the air conditioning compressor
switches on at outside temperatures
above approximately 41°F (5°C) for
air-drying
Deactivating
Press button0 (page 220) once
more.
The indicator lamp on the button goes
out. Defrosting is turned off.
The previous settings are in effect
again. The air conditioning compressor
remains switched on.Windshield fogged on the outside
Switch the windshield wipers on
(
page 60).
Press button 0(page 220).
The indicator lamp on the button
comes on.The climate control switches automatically
to the following functions:

maximum blower speed and heating
power

air flows onto the windshield and the
front side windows (side air vents must
be open)

the air conditioning compressor
switches on at outside temperatures
above approximately 41°F (5°C) for
air-drying
If the automatic air distribution is switched
off:
Press air distribution button 9 or a
(
page 220).
iTo switch off, you can also press
button´ orU (
page 220).
iKeep this setting selected only until the
windshield is clear again.

229 Controls in detail
Climate control
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 39).
Press button9 (page 220).
The indicator lamp on the button
comes on.
Deactivating
Press button9 (page 220) again.
The indicator lamp on the button goes
out.
Rear climate control*
The control panel for the rear climate
control is only available if your vehicle is
equipped with seat heating for the
second-row seats*.
The control panel is located on the rear of
the front center console.
iHow long the system will provide heating
depends on

the coolant temperature

the battery voltage
Regardless of the temperature and air volume
set on the climate control panel, an interior tem-
perature 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

230 Controls in detail
Climate control
Rear 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.
Deactivating rear climate control
Press button´.
The indicator lamp on the button goes
out.
The cooling function switches off after
a short delay.
1Rear climate control on
(automatic mode)
2Air distribution (directs air through
the center air vents)
3Rear air conditioning off
4Air distribution (directs air through
the footwells and side air vents)
5Right rear center air vent, adjustable
6Left rear center air vent, adjustable
iThe climate control must be switched on
(
page 231).
iThe temperature is adjusted according to
the settings for the front passenger side made
on the front climate control panel (
page 223).
iSwitch off the rear climate control for
improved cooling or heating output in the front
passenger compartment.
You can also switch off the rear climate control
from the front passenger compartment
(
page 231).