2004 MERCEDES-BENZ C320 4MATIC WAGON roof

Contents
Automatic transmission ..................... 139
One-touch gearshifting................. 140
Gear ranges ................................. 141
Gear selector lever position ......... 142
Program mode selector switch..... 143
Accelerator position ..................... 144
Emergency operation
(Limp Home Mode) ...................... 144
Good visibility .................................... 145
Windshield wipers ........................ 145
Headlamp cleaning system* ........ 145
Rear view mirrors ......................... 146
Sun visors .................................... 148
Rear window defroster ................. 149
Climate control .................................. 150
Setting the temperature ............... 152
Adjusting air distribution and
volume ......................................... 153
Defrosting .................................... 154
Air recirculation mode.................. 154
Deactivating the climate control
system ......................................... 155
Air conditioning ............................ 156
Ventilated storage compartment . 156
Rear passenger compartment
adjustable air vents...................... 157Automatic climate control* ................ 158
Setting the temperature................ 161
Adjusting air distribution............... 162
Adjusting air volume ..................... 162
Maximum cooling MAXCOOL ........ 163
Defrosting ..................................... 163
Air recirculation mode .................. 163
Charcoal filter ............................... 165
Air conditioning............................. 166
Residual heat and ventilation* ...... 167
Rear passenger compartment
adjustable air vents....................... 168
Audio system ...................................... 169
Audio and telephone, operation .... 169
Operating safety ........................... 169
Operating and display elements.... 170
Button and soft key operation....... 172
Operation ...................................... 172
Radio operation ............................ 175
Satellite radio (SAT)* (USA only)... 178
Cassette operation ....................... 182
CD changer* operation ................. 185
Telephone* operation ................... 189
Power windows .................................. 196
Opening and closing the windows. 196
Synchronizing power windows ...... 198Sliding/pop-up roof*.......................... 199
Opening and closing
the sliding/pop-up roof ................ 199
Synchronizing
the sliding/pop-up roof ................ 201
Driving systems .................................. 202
Cruise control ............................... 202
Loading .............................................. 205
Roof rack* .................................... 205
Ski sack* ...................................... 205
Parcel net in cargo compartment . 208
Storage compartment under
cargo compartment floor .............. 209
Retractable luggage cover and
partition net .................................. 209
Split rear bench seat .................... 211
Loading instructions ..................... 213
Cargo tie-down rings..................... 214
Useful features ................................... 215
Interior storage spaces ................. 215
Ashtrays........................................ 219
Cigarette lighter ............................ 220
Electrical outlet............................. 221
Telephone* ................................... 221
Tele Aid* ....................................... 222
Garage door opener ...................... 230

Contents
Practical hints................................. 273
What to do if … .................................. 274
Lamps in instrument cluster ........ 274
Lamp in center console................ 279
Messages in the display ............... 280
Where will I find ...? ........................... 300
First aid kit ................................... 300
Vehicle tool kit ............................. 300
Minispare wheel ........................... 302
Unlocking/locking in an emergency .. 305
Unlocking the vehicle ................... 305
Locking the vehicle ...................... 306
Changing batteries in
the SmartKey ............................... 306
Fuel filler flap ............................... 308
Manually unlocking the
transmission gear selector lever .. 308
Opening/closing in an emergency..... 309
Sliding/pop-up roof* ................... 309Replacing bulbs .................................. 310
Bulbs ............................................. 310
Replacing bulbs for front lamps .... 312
Side marker lamp bulb .................. 315
Replacing bulbs for rear lamps ..... 315
Replacing wiper blades....................... 317
Removing wiper blades ................. 317
Installing wiper blades .................. 317
Flat tire ............................................... 318
Preparing the vehicle .................... 318
Mounting the Minispare wheel...... 318
Battery................................................ 324
Disconnecting the battery............. 325
Removing the battery.................... 325
Charging and reinstalling
the battery .................................... 325
Reconnecting the battery.............. 326Jump starting...................................... 327
Towing the vehicle.............................. 329
Installing towing eye bolt .............. 332
Fuses.................................................. 333
Fuse box in
passenger compartment ............... 333
Fuse box in engine compartment . 333
Auxiliary fuse box in
cargo compartment ...................... 334

27 At a glance
Overhead control panel
Overhead control panel
Item
Page
1
Rear interior lighting
on/off
105
2
Sliding/pop-up roof*
199
3
Right reading lamp on/off
105
4
Interior lighting control
105
5
Hands-free microphone for
Tele Aid* (emergency call
system), telephone* and
voice control system*
(see separate operating
instructions)
136,
189,
222
6
Interior rear view mirror
38,
146
7
Garage door opener
230
8
Left reading lamp on/off
105
9
Tele Aid* (emergency call
system) button
222

83 Controls in detail
Locking and unlocking
Seats
Memory function*
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Climate control
Automatic climate control*
Audio system
Power windows
Sliding/pop-up roof*
Driving systems
Loading
Useful features

84 Controls in detailLocking and unlocking
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.
Locking and unlocking
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key. The locking
tabs for the mechanical key portion of the
two SmartKeys are a different color to help
distinguish each SmartKey unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:

the doors


the tailgate


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Mechanical key locking tab
3ΠUnlock button
4Battery check lamp
5Â Panic button* (
page 73)
iYou can also open and close the power
windows (
page 198) and
sliding/pop-up roof* (
page 200)
from outside using the SmartKey.
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*5.

154 Controls in detailClimate controlDefrosting
Activating
Press buttonP (
page 151).
The indicator lamp on the button
comes on.
or

Switch off air recirculation, if selected.
Press buttonO (
page 151).
The indicator lamp on the button goes
out.

Close center air vents (
page 151).

Open left and right side air vents
(page 151) and adjust side air vents
upwards.Deactivating

Press buttonP (
page 151).
The indicator lamp on the button goes
out. Defrosting is turned off.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.Activating

Press buttonO (
page 151).
The indicator lamp on the button
comes on.
iThese settings should only be selected
for a short time.
Warning!
G
When the outside temperature is
below 41°F (5°C), only switch to air
recirculation mode for short periods to
prevent window fogging.
iIf you keep buttonO pressed the
side windows and sliding/pop-up roof*
will close.Warning!
G
Never operate the side windows and the
sliding/pop-up roof* if there is the
possibility of anyone being harmed by the
closing procedure.
In the event that the closing procedure
causes potential danger, the closing of the
side windows can be immediately halted by
pressing or pulling the respective window
switch. The closing of the sliding/pop-up
roof* can be immediately halted by moving
the sliding/pop-up roof* switch in the
overhead control panel in any direction.

155 Controls in detail
Climate control
Deactivating
Press buttonO (
page 151).
The indicator lamp on the button goes
out.
The air recirculation mode is deactivated
automatically:


after five minutes if the outside
temperature is below
approximately 41°F (5°C)


after five minutes if the air conditioning
is turned off


after 30 minutes if the outside
temperature is above
approximately 41°F (5°C)At outside temperatures above 79°F
(26°C) the system will not automatically
switch back to outside air. A quantity of
outside air is added after approximately
30 minutes.
Deactivating the climate control
system
Deactivating
Set air volume control1 (
page 151)
to position0.
Reactivating

Set air volume control1 (
page 151)
to any speed.
The closing of the side windows and
sliding/pop-up roof* can be reversed by
again pressing and holding theO button.iThe air recirculation mode is activated
automatically at high outside tempera-
tures.
If you have turned off the air condi-
tioning (
page 156) or the outside
temperature is below 41°F (5°C), the
air recirculation mode will not switch
on automatically.
iIf you keep buttonO pressed the
side windows and sliding/pop-up roof*
will return to their previous position.

163 Controls in detail
Automatic climate control*
Maximum cooling MAXCOOL
If the left and right air distribution controls
as well as the airflow volume control are
set toU and there is a high need for
cooling, the display “MAXCOOL” appears.
This provides the fastest possible cooling
of the vehicle interior (when windows and
sliding/pop-up roof* are closed).
Defrosting
Activating
Press buttonP (
page 159).
The indicator lamp on the button
comes on.
or

Switch off air recirculation, if selected.

Press buttonO (
page 159).
The indicator lamp on the button goes
out.

Close center air vents (
page 159).

Adjust side air vents upwards
(page 159).Deactivating

Press buttonP (
page 159).
The indicator lamp on the button goes
out. Defrosting is turned off.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
Activating
Press buttonO (
page 159).
The indicator lamp on the button
comes on.
iThese settings should only be selected
for a short time.
Warning!
G
When the outside temperature is
below 41°F (5°C), only switch to air
recirculation mode for short periods to
prevent window fogging.