2003 MERCEDES-BENZ C320 Trunk

ContentsSafety and Security........................... 55
Occupant safety................................... 56
Airbags ........................................... 57
Seat belts ....................................... 61
Children in the vehicle .................... 65
Blocking of rear door window
operation ........................................ 71
Panic alarm* .................................. 72
Activating ....................................... 72
Deactivating ................................... 72
Driving safety systems ......................... 73
ABS ................................................ 73
BAS ................................................ 74
ESP ................................................. 75
Four wheel electronic traction
system (4MATIC*) with the ESP ..... 78
Anti-theft systems................................ 79
Immobilizer..................................... 79
Anti-theft alarm system .................. 79
Tow-away alarm ............................. 80
Controls in detail............................... 83
Locking and unlocking ......................... 84
Keys ............................................... 84
Opening the doors from the inside . 87
Opening the trunk from the inside . 88
Opening the trunk .......................... 88
Closing the trunk............................ 89
Trunk lid emergency release .......... 89
Separately locking the trunk .......... 90
Separately unlocking the trunk ...... 91
Automatic central locking .............. 91
Locking and unlocking
from the inside ............................... 92
Seats ................................................... 93
Easy-entry/exit feature* ................ 93
Head restraints .............................. 94
Multicontour seat* ......................... 96
Heated seats* ................................ 97
Memory function* ............................... 98
Storing positions into memory ....... 99
Recalling positions from memory ... 99
Storing exterior rear view mirror
parking position ........................... 100Lighting ............................................. 101
Exterior lamp switch .................... 101
Combination switch ..................... 104
Hazard warning flasher ................ 104
Interior lighting ............................ 105
Door entry lamps ......................... 106
Trunk lamp ................................... 106
Instrument cluster ............................. 107
Instrument cluster illumination .... 107
Coolant temperature display ........ 108
Trip odometer .............................. 109
Tachometer .................................. 109
Outside temperature indicator ..... 110
Control system .................................. 111
Multifunction display.................... 111
Multifunction steering wheel........ 112
Menus .......................................... 114
Standard display menu ................ 116
AUDIO menu ................................ 116
NAVI menu ................................... 118
Malfunction memory menu .......... 118
Settings menu .............................. 119
Trip computer menu..................... 132
TEL menu* ................................... 134
Manual transmission ......................... 137
Shifting into reverse ..................... 137

Contents
Practical hints................................ 255
What to do if … .................................. 256
Lamps in instrument cluster ........ 256
Lamp in center console................ 260
Messages in the display ............... 261
Where will I find ...? ........................... 279
First aid kit ................................... 279
Vehicle tool kit ............................. 279
Spare wheel ................................. 281
Unlocking/locking in an emergency .. 285
Unlocking the vehicle ................... 285
Locking the vehicle ...................... 286
Changing batteries ....................... 286
Fuel filler flap ............................... 287
Manually unlocking the
transmission selector lever .......... 288
Opening/closing in an emergency..... 289
Sliding/pop-up roof* ................... 289
Replacing bulbs ................................. 290
Bulbs ............................................ 290
Replacing bulbs for front lamps ... 292
Side marker lamp bulb ................. 294
Replacing bulbs for rear lamps..... 295Replacing wiper blades....................... 296
Removing ...................................... 296
Installing ....................................... 296
Flat tire ............................................... 297
Preparing the vehicle .................... 297
Mounting the spare wheel ............ 297
Battery................................................ 303
Disconnecting the battery............. 304
Removing the battery.................... 304
Charging and reinstalling
the battery .................................... 304
Reconnecting the battery.............. 305
Jump starting ...................................... 306
Towing the vehicle .............................. 308
Installing towing eye bolt .............. 311
Fuses .................................................. 312
Fuse box in passenger
compartment ................................ 312
Fuse box in engine
compartment ................................ 312
Auxiliary fuse box in trunk............. 313
Technical data.................................. 315
Spare parts service ............................ 316
Warranty coverage ............................. 317
Loss of Service and Warranty
Information Booklet ...................... 317
Identification labels ............................ 318
Layout of poly-V-belt drive.................. 319
C 230 Kompressor Sport .............. 319
C 240 / C 320 (all models)........... 319
C 32 AMG ..................................... 319
Engine ................................................ 320
Rims and Tires.................................... 322
Same size tires ............................. 323
Mixed size tires ............................. 324
Spare wheel .................................. 325
Electrical system ................................ 326
Main dimensions ................................ 327
Weights .............................................. 328

21 At a glance
Cockpit
Item
Page
1
Combination switch

Turn signals
47


Windshield wipers
48


High beam
47
2
Cruise control lever
193
3
Instrument cluster
22,
107
4
Multifunction steering
wheel
24,
112
5
Lever for voice control
system*, see separate
operating instructions
Item
Page
6
Overhead control panel
27
7
Glove box lid release, glove
box lock
203
8
Glove box
203
9
Center console
25
10
Starter switch
31
11
Horn
12
Steering wheel adjustment
handle (manual)
37
13
Steering wheel adjustment
stalk (electrical)*
38
Item
Page
14
Hood lock release
235
15
Parking brake pedal
45, 51
16
Trunk lid release switch
88
17
Door control panel
28
18
Parking brake release
45
19
Exterior lamp switch
101
20
Exterior rear view mirror
adjustment
39
21
Headlamp washer switch*
146

28 At a glanceDoor control panel
Door control panel
Item
Page
1
Door handle
87
2
Memory function (for stor-
ing seat, mirror and steer-
ing wheel settings)
98
3
Seat adjustment*
32,
34, 93
4
Switches for opening/clos-
ing front door windows
187
5
Switch for rear door win-
dow override
71
6
Switches for opening/clos-
ing rear door windows
187
7
Remote trunk lid release
switch
88

30 Getting startedUnlockingThe “Getting started” section provides an
overview of the vehicle’s most basic func-
tions. First-time Mercedes-Benz owners
should pay special attention to the infor-
mation given here.
If you are already familiar with the basic
functions described here, the “Controls in
detail” section will help you with further in-
formation. The corresponding page refer-
ences are at the end of each segment.
UnlockingUnlocking with SmartKeySmartKey with remote control 1‹
Lock button
2
Š
Opening button for trunk
3
Œ
Unlock button for doors
4
Â
Panic button* (
page 72)

Press unlock button
Œ
on the key.
All turn signal lamps blink once. The
locking knobs in the doors move up.

Get in the vehicle and insert the key in
the starter switch.
More information can be found in the
“Controls in detail” section (
page 84).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*4.

79 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating

Removing the key from the starter
switch activates the immobilizer.
Deactivating


Inserting the key in the starter switch
deactivates the immobilizer.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door


the trunk


the hood
The alarm system will also be triggered
when


someone attempts to raise the vehicle


the vehicle is opened with the mechan-
ical keyArming the alarm system
The alarm system is armed after locking
the vehicle with the remote control. The
turn signal lamps blink three times to
indicate that the alarm system is activated.
A red indicator lamp in the switch for the
tow-away alarm (
page 80) will blink after
approximately ten seconds when the alarm
system is completely armed.
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* (
page 209) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.
iIf the turn signal lamps do not blink
three times, the tow-away sensor* is
malfunctioning or one of the following
elements may not be properly closed:

a door


the trunk lid


the hood
Close the respective element and lock
the vehicle again.

80 Safety and SecurityAnti-theft systemsDisarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote
control. The turn signal lamps blink once to
indicate that the alarm system is
deactivated.
Canceling the alarm
Insert the key in the starter switch.
or

Press the
Œ
or
‹
button on the
key.
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.Arming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed after about
30 seconds.
When you unlock your vehicle, the
tow-away protection disarms
automatically.
Disarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
iThe alarm system will rearm automati-
cally again after approximately
40 seconds if one of the doors or the
trunk lid is not opened.
iThe tow-away protection alarm is
triggered, for example, if the vehicle is
lifted on one side.
If the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* (
page 209) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.

84 Controls in detailLocking and unlockingIn 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 unlockingInformation on locking and unlocking can
be found in the “Getting started” section
on (
page 30) and (
page 51).
Keys
Your vehicle comes supplied with two
SmartKeys with remote controls and a re-
movable mechanical key. The locking tabs
for the mechanical key portion of the two
keys are a different color to help distin-
guish each key 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 trunk


the fuel filler flap
SmartKey with remote control1‹
Lock button
2
Š
Unlock button for the trunk lid
3Mechanical key locking tab
4
Œ
Unlock button
5Battery check lamp
6
Â
Panic button* (
page 72).
iYou can also open and close the power
windows (
page 188) and slid-
ing/pop-up roof* (
page 191) using
the SmartKey.