fuel MERCEDES-BENZ CLK320 CABRIOLET 2003 C208 Owner's Manual

3 ContentsParking brake .................................200
Driving instructions ...................... 201
Drive sensibly – save fuel ......... 201
Drinking and driving ................. 201
Pedals ........................................... 201
Power assistance ........................202
Brakes ..........................................202
Driving off ...................................203
Parking ........................................204
Tires .............................................204
Snow chains ................................207
Winter driving instructions ......207
Standing water ...........................209
Passenger compartment ...........209
Traveling abroad ........................209
Cruise control ................................. 210
Brake assist system (BAS) ............ 212
Antilock brake system (ABS) ....... 214
Electronic stability program
(ESP) ........................................... 216
What you should know at the gas
station .........................................220
Check regularly and before a long
trip ...............................................222
Instrument cluster displayMalfunction and indicator lamps in
the instrument cluster ............. 224
On-board diagnostic system Check
engine malfunction indicator
lamp ............................................. 224
Brake warning lamp .................. 225
Supplemental restraint system
(SRS) indicator lamp ................. 226
Fuel reserve and fuel cap
placement warning ................... 226
Electronic stability program (ESP)
— warning lamp .......................... 227
BAS/ESP malfunction indicator
lamp ............................................. 227
ABS malfunction indicator
lamp ............................................. 227
Telescoping steering column –
indicator lamp ............................ 228
Seat belt warning lamp ............. 228
Malfunction and indicator lamps in
the center console .................... 228
AIRBAG OFF indicator lamp .... 228
Roll bar warning lamp .............. 229Malfunction and warning messages
in the multifunction display ...230
DISPLAY DEFECTIVE (engine
control unit) ................................ 231
DISPLAY DEFECTIVE (several
systems) ....................................... 231
BATTERY/ALTERNATOR ...........232
ABS-SYSTEM ...............................233
BRAKE ASSIST ...........................233
BRAKE LINING WEAR ..............234
BRAKE FLUID .............................234
PARKING BRAKE .......................235
ENGINE FAN ...............................235
COOLANT (coolant level) ..........236
COOLANT TEMP. (coolant
temperature) ...............................237
LIGHTING SYSTEM ....................238
LIGHT SENSOR ...........................239
STEER. WHEEL ADJUST. ...........239
ENGINE OIL LEVEL ...................240
ELEC. STABIL. PROG. (Electronic
stability program) ...................... 241
REMOVE KEY ............................. 241
WASHER FLUID .........................242

4 ContentsTELE AID .....................................243
Practical hintsFirst aid kit .....................................246
Shelf below rear window ..............246
Stowing things in the vehicle ......246
Luggage cover .................................246
Fuses ................................................248
Hood .................................................250
Checking engine oil level .............252
Automatic transmission fluid
level .............................................253
Coolant level ...................................253
Adding coolant ...........................254
Windshield washer / headlamp
cleaning system .........................255
Windshield and headlamp washer
fluid mixing ratio .......................255
Spare wheel, vehicle tools, storage
compartment .............................256
Vehicle jack .....................................257
Wheels .............................................258
Tire replacement ........................258
Rotating wheels ..........................259Spare wheel .................................... 260
Spare wheel bolts .......................... 260
Spare wheel bolts ...................... 260
Spare wheel .................................... 260
Changing wheels ........................... 263
Tire inflation pressure ................. 268
Battery ............................................. 270
Jump starting ..................................271
Towing the vehicle ........................ 273
Exterior lamps ............................... 277
Headlamp assembly .................. 278
Taillamp assemblies .................. 280
Adjusting headlamp aim .............. 282
Changing batteries in the electronic
key .............................................. 285
Synchronizing remote
control ........................................ 287
Raising soft top manually ............ 288
Antenna .......................................... 295
Manual release for fuel filler
flap .............................................. 296
Replacing wiper blade insert ...... 296
Vehicle careCleaning and care of the
vehicle ........................................300
Power washer .............................. 301
Paintwork, painted body
components ................................. 301
Engine cleaning ..........................302
Tar stains .....................................302
Vehicle washing .........................302
Ornamental moldings ................302
Headlamps, taillamps, turn signal
lenses ...........................................303
Window cleaning .......................303
Plastic and rubber parts ............303
Wiper blade .................................303
Light alloy wheels ......................303
Instrument cluster .....................304
Steering wheel and gear selector
lever ..............................................304
Cup holder ...................................304
Seat belts .....................................304
Headliner .....................................304
Upholstery ...................................305

5 ContentsHard plastic trim items .............305
Plastic and rubber parts ............305
Wind screen ...............................305
Rubber weatherstrip .................305
Soft top .........................................306
Technical dataSpare parts service ....................... 308
Warranty coverage ........................ 308
Identification labels ...................... 309
Layout of poly-V-belt drive ............ 310
Technical data ................................. 311
Fuels, coolants, lubricants etc. –
capacities .................................... 316
Engine oils ....................................... 318
Engine oil additives ....................... 318
Air conditioner refrigerant ........... 318
Brake fluid ....................................... 318
Premium unleaded gasoline ......... 319
Fuel requirements ......................... 319
Gasoline additives ......................... 320
Coolants .......................................... 320
Consumer information ................. 322
IndexIndex ................................................324

10 Introduction
Operating your vehicle outside the USA or Canada
If you plan to operate your vehicle in foreign countries, please be aware that:
•Service facilities or replacement parts may not be readily available,
•unleaded gasoline for vehicles with catalytic converters may not be available; the use of leaded fuels will damage
the catalysts,
•gasoline may have a considerably lower octane rating, and improper fuel can cause engine damage.
Certain Mercedes-Benz models are available for delivery in Europe under our European Delivery Program. For details,
consult your authorized Mercedes-Benz Center or write to:
In the USA: In Canada:
Mercedes-Benz USA, LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 07645-0350Mercedes-Benz Canada, Inc.
European Delivery Department
849 Eglinton Avenue East
Toronto, Ontario M4G 2L5

12 Introduction
Where to find it
The Operator’s Manual is divided into eight sections:
• Instruments and controls: An overview of all the controls that can be operated from the driver’s seat.
•Operation: Information on the vehicle’s equipment and its operation.
•Driving: Important information on driving.
• Instrument cluster display: Displays and indicator lamps on the instrument cluster with brief instructions.
•Practical hints: Assistance and instructions in the event of an emergency.
•Car care: Instructions on caring for your vehicle.
•Technical data: All the important technical data for your vehicle as well as consumer information such as fuels,
coolants, lubricants etc. is contained here.
•Index: Key terms to help you find a topic quickly.
Other documents may also be supplied, depending on your vehicle’s equipment.
Explanation of color used:
Warning notices for the protection of yourself and
others appear on red background.

25 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic key has an integrated radio frequency
and infrared remote control.
Due to the extended operational range of the remote
control, it could be possible to unintentionally lock or
unlock the vehicle by pressing the transmit button. If
one of the transmit buttons is pressed, the battery check
lamp lights up briefly – indicating that the batteries are
in order. See page 285 for checking batteries.
The vehicle doors, trunk and fuel filler flap can be
centrally locked and unlocked via remote control.
Opening and closing the windows remotely can only be
done with the infrared portion of the remote control.
Aim transmitter eye at a receiver (6 or 7), press and
hold transmit button Œ or ‹.
If the electronic key is inserted in steering lock, the
vehicle cannot be locked or unlocked with the remote
control.1Transmit button
‹ Locking
ΠUnlocking
Š Opening trunk
2Lamp for battery check (see page 285 for changing
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.35-2032-26
24
3
5
1

27 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Locking and unlocking with remote control
Unlocking:
Press transmit button Œ. All turn signal lamps blink
once to indicate that the vehicle is unlocked.
The remote control can be programmed for two kinds of
unlocking modes (see below):
Selective unlocking mode –
Press transmit button Œ o nce to un lock dr iver’s d oor
and fuel filler flap.
Press transmit button Πtwice to unlock both doors,
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Πonce to unlock both doors,
fuel filler flap, and trunk.
Notes:
The presently active unlocking mode (selective or
global) can only be determined by unlocking the vehicle
with the remote control (see below for changing mode).If within 40 seconds of unlocking with the remote
control, neither door nor trunk is opened, the electronic
key is not inserted in the steering lock, or the central
locking switch is not activated, the vehicle will
automatically lock.
Locking:
Press transmit button ‹ once. All turn signal lamps
blink three times to indicate that the vehicle is locked.
If they do not blink three times, a door or trunk is not
properly closed.
Note:
If the vehicle cannot be locked or unlocked by pressing
the transmit button, then it may be necessary to change
the batteries in the electronic key (if ok, battery check
lamp in electronic key will light briefly when pressing
transmit button) or to synchronize the remote control,
see pages 285 and 287.

30 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Panic button
To activate press and hold button (1) for at least one
second. An audible alarm and blinking exterior lamps
will operate for approximately 3 minutes.
To deactivate press button (1) again, or insert electronic
key in steering lock.Note:
For operation in the USA only: This device complies
with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Any unauthorized modification to this device could void
to the user’s authority to operate the equipment.
Mechanical keys
The mechanical keys work only in the driver’s door,
trunk, and storage compartment locks.
Notes:
The mechanical key does not operate the central locking
system or antitheft alarm system.
The fuel filler flap cannot be locked or unlocked with
the mechanical key.
P80.35-2035-26
1

32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
If the vehicle has previously been locked from the
outside, opening a door from the inside will trigger the
alarm. When opening a door while the central locking
system is in the:
•selective unlocking mode, only that individual door
is unlocked. The remaining door, the trunk and fuel
filler flap remain locked,
•global unlocking mode, both doors, the trunk and
fuel filler flap are unlocked.
Notes:
When opening a door, the door window lowers slightly.
After closing the door, the window closes again.
In case of a malfunction in the central locking system
the doors can be locked and unlocked individually.To lock, push down lock button and turn mechanical key
in driver’s door lock to position 3. In addition lock the
trunk.
To unlock, pull inside door handle and turn mechanical
key in driver’s door lock to position 2.
When unlocking the driver’s door with the mechanical
key, the exterior lamps will flash and the alarm will
sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic key.

33 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unlocking
The central locking switch is located in the center
console.
The doors and trunk can only be locked with the central
locking switch, if both doors are closed.
If the vehicle was previously locked with the central
locking switch, while in the selective remote control
mode, only the door opened from the inside is unlocked.If the vehicle was previously locked with the central
locking switch, while in the global remote control mode,
the complete vehicle is unlocked when a door is opened
from the inside.
Notes:
If the vehicle was previously locked with the remote
control, the doors and trunk cannot be unlocked with
the central locking switch.
If the vehicle has previously been locked from the
outside, opening a door with the inside door handle will
trigger the alarm. To cancel the alarm, insert the
electronic key in the steering lock or press buttonŒ
or‹ on the electronic key.
The fuel filler flap cannot be locked or unlocked with
the central locking switch.
Wa r n i n g !
When leaving the vehicle, always remove the
electronic key from the steering lock, and lock your
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may cause
an accident and/or serious personal injury.