fuel MERCEDES-BENZ C320 2005 W203 Owner's Manual

ContentsOperation......................................... 263
The first 1 000 miles (1 500 km) ......... 264
Driving instructions ............................ 265
Drive sensibly – save fuel ............. 265
Drinking and driving ..................... 265
Pedals .......................................... 265
Power assistance ......................... 265
Brakes .......................................... 266
Driving off..................................... 267
Parking ......................................... 267
Tires ............................................. 268
Hydroplaning ................................ 268
Tire traction .................................. 269
Tire speed rating .......................... 269
Winter driving instructions ........... 270
Standing water ............................. 271
Passenger compartment .............. 272
Driving abroad .............................. 272
Control and operation of radio
transmitters.................................. 272
Catalytic converter ....................... 273
Emission control........................... 273
Coolant temperature .................... 274At the gas station .............................. 275
Refueling ...................................... 275
Check regularly and before
a long trip ..................................... 277
Engine compartment ......................... 278
Hood ............................................ 278
Engine oil ..................................... 279
Transmission fluid level ................ 282
Coolant level ................................ 283
Battery ......................................... 284
Windshield washer system and
headlamp cleaning system* ......... 285
Tires and wheels ................................ 286
Important guidelines .................... 286
Life of tire..................................... 287
Direction of rotation ..................... 287
Checking tire inflation pressure ... 287
Rotating tires ............................... 289Winter driving .................................... 290
Winter tires .................................. 290
Block heater (Canada only) .......... 291
Snow chains................................. 291
Maintenance...................................... 292
Clearing the maintenance
service indicator .......................... 293
Maintenance service term
exceeded ..................................... 293
Calling up the maintenance
service indicator .......................... 293
Resetting the maintenance
service indicator .......................... 294
Vehicle care....................................... 295
Cleaning and care of the
vehicle ......................................... 295

Contents
Practical hints................................ 301
What to do if … .................................. 302
Lamps in instrument cluster ........ 302
Lamp in center console................ 308
Vehicle status messages in the
multifunction display .................... 309
Where will I find ...? ........................... 329
First aid kit ................................... 329
Vehicle tool kit ............................. 329
Minispare wheel
(except C 55 AMG)....................... 333
Collapsible tire
(C 55 AMG only)........................... 334
Spare wheel bolts ........................ 336
Unlocking/locking in an emergency .. 337
Unlocking the vehicle ................... 337
Locking the vehicle ...................... 338
Fuel filler flap ............................... 339
Manually unlocking the
transmission gear selector lever .. 340
Opening/closing in an emergency..... 341
Power tilt/sliding sunroof* .......... 341Replacing SmartKey batteries ............ 342
SmartKey ...................................... 343
Replacing bulbs .................................. 344
Bulbs ............................................. 344
Replacing bulbs for front lamps .... 347
Replacing bulbs for rear lamps ..... 351
Replacing wiper blades....................... 352
Removing wiper blades ................. 352
Installing wiper blades .................. 352
Flat tire ............................................... 353
Preparing the vehicle .................... 353
Mounting the spare wheel ............ 353
Battery................................................ 360
Disconnecting the battery............. 361
Removing the battery.................... 361
Charging and reinstalling
the battery .................................... 361
Reconnecting the battery.............. 362Jump starting...................................... 363
Towing the vehicle.............................. 365
Installing towing eye bolt .............. 368
Fuses.................................................. 369
Aids for changing fuses ................ 369
Main fuse box in passenger
compartment ................................ 370
Fuse box in engine
compartment ................................ 370
Fuse box in trunk .......................... 371

ContentsTechnical data.................................. 373
Parts service ...................................... 374
Warranty coverage ............................. 375
Loss of Service and Warranty
Information Booklet...................... 375
Identification labels............................ 376
Layout of poly-V-belt drive ................. 377
C 230 Kompressor (all models) .... 377
C 240 (all models)/
C 320 (all models)/
C 55 AMG..................................... 377
Engine ................................................ 378
Rims and Tires ................................... 380
Same size tires ............................. 381
Mixed size tires ............................ 382
Minispare wheel ........................... 383
Collapsible tire
(C 55 AMG only) ........................... 383
Electrical system................................ 384
Main dimensions................................ 385
Weights .............................................. 386Fuels, coolants, lubricants, etc. ......... 387
Capacities .................................... 387
Engine oils.................................... 390
Engine oil additives ...................... 390
Air conditioning refrigerant .......... 390
Brake fluid .................................... 390
Premium unleaded gasoline ......... 391
Fuel requirements ........................ 391
Gasoline additives ........................ 392
Flexible Fuel Vehicles ................... 392
Coolants....................................... 394
Windshield washer and
headlamp cleaning system* ......... 396
Consumer information ....................... 397
Uniform tire quality grading ......... 397
Technical terms............................... 399Index................................................. 405

13 Introduction
Operator’s Manual
Operating your vehicle outside the USA or Canada
If you plan to operate your vehicle in for-
eign countries, please be aware that

service facilities or replacement parts
may not be readily available,


unleaded gasoline for vehicles with cat-
alytic converters may not be available;
the use of leaded fuels will damage the
catalysts,


gasoline may have a considerably low-
er octane rating, and improper fuel can
cause engine damage.Certain Mercedes-Benz models are avail-
able for delivery in Europe under our Euro-
pean Delivery Program. For details, consult
an authorized Mercedes-Benz Center or
write to:
In the USA:
Mercedes-Benz USA, LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 07645-0350
In Canada:
Mercedes-Benz Canada Inc.
European Delivery Department
98 Vanderhoof Avenue
Toronto, Ontario M4G 4C9

25 At a glance
Instrument cluster
Item
Page
1
Speedometer with:vElectronic Stability
Program (ESP)
warning lamp
79,
306
;Brake warning
lamp, USA only
48,
54,
303
3Brake warning
lamp, Canada only
48,
54,
303
BLow beam head-
lamp indicator lamp
49,
109
2
LLeft turn signal
indicator lamp
50
3
Multifunction display
with:
121
Trip odometer
119
Main odometer
121
Gear selector lever
position
47,
121,
160
Item
Page
Program mode
121,
162,
165
Status indicator (outside
temperature/digital
speedometer
119,
136
Digital clock
121
4
KRight turn signal
indicator lamp
50
5
Tachometer with:
119
-Antilock Brake
System (ABS)
indicator lamp
77,
302
úEngine malfunction
indicator lamp,
USA only
304,
305
±Engine malfunction
indicator lamp,
Canada only
304,
305
1Supplemental
restraint system
indicator lamp
58,
307
Item
Page
64,
307
AHigh beam head-
lamp indicator lamp
50,
113
6
Fuel gauge with:Fuel reserve warning lamp
307
4Fuel filler cap
location indicator:
The fuel filler cap is
on the rear
right-hand side.
7
Coolant temperature
gauge
118
8
Reset button for:
117


Resetting trip
odometer
119


Resetting individual
settings
133


Instrument cluster
illumination
117

47 Getting started
Driving
Automatic transmission*Gearshift pattern for automatic
transmissionPPark position with gear selector lever
lock
RReverse gear
NNeutral
DDrive position
For more information, see “Automatic
transmission*” (
page 156).Starting

Make sure the gear selector lever is set
toP.

Do not depress the accelerator.

Turn the SmartKey in the starter switch
to position3 and hold until the engine
starts (
page 33).

Depress the brake pedal.
The gear selector lever lock is released.
For information on turning off the engine,
see “Turning off engine” (
page 56).Starting difficulties
If the engine does not start as described,
carry out the following steps:

Turn the SmartKey in the starter switch
to position0 and repeat starting
procedure (
page 46).
Remember that extended starting
attempts can drain the battery.

Get a jump start (
page 363).
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.

Notify an authorized Mercedes-Benz
Center.
iYou can also use the “touch-start”
function. Turn the SmartKey in the
starter switch to position3 and release
it again immediately. The engine then
starts automatically.

53 Getting started
Driving
Problems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.


The engine electronics may not be op-
erating properly.


Unburned gasoline may have entered
the catalytic converter and damaged it.

Give very little gas.

Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.The coolant temperature is
above 248°F (120°C)
The coolant is too hot and is no longer
cooling the engine.

Stop the vehicle as soon as possible
and turn off the engine. Allow engine
and coolant to cool.

Check the coolant level and add
coolant if necessary (
page 283).In case of accident
If the vehicle is leaking gasoline:

Do not start the engine under any cir-
cumstances.

Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:

Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount:

Start the engine in the usual manner.

88 Controls in detailIn 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
For more information on locking and
unlocking, see “Getting started”
(page 32) and (
page 54).
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 trunk


the fuel filler flap
SmartKey with remote control1‹ Lock button
2Š Opening button for the trunk lid
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button* (
page 76).
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button6.

89 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
switched off.
The vehicle will lock again automatically
and reactivate the anti-theft alarm
system* within approximately 40 seconds
of unlocking if:


neither door nor trunk is opened


the SmartKey is not inserted in the
starter switch


the central locking switch is not
activatedGlobal locking

Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system* is
activated.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttonsŒ and‹
simultaneously for about five seconds
until battery check lamp5 flashes
twice.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch and lock
the vehicle. Do not leave children unattend-
ed in the vehicle, or with access to an un-
locked vehicle. It is possible for children to
open a locked door from the inside, which
could result in an accident and/or serious
injury.!To prevent possible malfunction, avoid
exposing the SmartKey to high levels of
electromagnetic radiation.iYou can also open and close the power
windows (
page 225) and power
tilt/sliding sunroof* (
page 229) from
outside using the SmartKey.


90 Controls in detailLocking and unlocking
The SmartKey will then function as
follows:
Unlocking driver’s door and fuel filler
flap

Press buttonΠonce.
All turn signal lamps flash once. The
locking knob in the driver's door moves
up. The anti-theft alarm system* is
switched off.
Global unlocking

Press buttonΠtwice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
switched off.Global locking

Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system* is
activated.
Restoring to factory setting

Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Check the batteries in the
SmartKey (
page 91) and replace
them if necessary (
page 343).


Use the mechanical key to unlock
the driver’s door (
page 337) and
the trunk lid (
page 338).


Use the mechanical key to lock the
driver’s door (
page 338).


Have the vehicle battery and the
battery connections checked
(page 360).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.