
4 Contents 
Malfunction and 
indicator lamps in the 
center console  ........................... 231
AIRBAG OFF indicator lamp ..... 231
Malfunction and 
warning messages in the 
multifunction display  ...............232
DISPLAY DEFECTIVE 
(engine control unit) ..................233
DISPLAY DEFECTIVE 
(several systems)  ........................233
BATTERY/ALTERNATOR  ...........234
ABS-SYSTEM  ...............................235
BRAKE ASSIST  ...........................235
BRAKE LINING WEAR  ..............236
BRAKE FLUID  .............................236
PARKING BRAKE  .......................237
ENGINE FAN  ...............................237
COOLANT 
(coolant level)  .............................238
COOLANT TEMP. 
(coolant temperature)  ................239
LIGHTING SYSTEM  ....................240
LIGHT SENSOR ........................... 241STEER. WHEEL ADJUST.  .......... 241
ENGINE OIL LEVEL  ................... 242
ELEC. STABIL. PROGRAM. 
(Electronic stability 
program)  ..................................... 243
REMOVE KEY  ............................. 243
WASHER FLUID  ......................... 244
TELE AID ..................................... 245
Practical hintsFirst aid kit  ..................................... 248
Shelf below rear window .............. 248
Stowing things in 
the vehicle  ................................. 248
Fuses  ............................................... 249
Hood  ................................................ 251
Checking engine oil level ............. 253
Automatic transmission 
fluid level  ................................... 254
Coolant level ................................... 254
Adding coolant  ........................... 255
Windshield washer / headlamp 
cleaning system  ........................ 256Windshield and headlamp 
washer fluid mixing ratio  .........256
Spare wheel, vehicle tools, 
storage compartment ................257
Vehicle jack .....................................258
Wheels  .............................................259
Tire replacement  ........................259
Rotating wheels  ..........................260
Spare wheel  .................................... 261
Changing wheels  ...........................262
Tire inflation pressure  ..................267
Battery  .............................................268
Jump starting  ..................................270
Towing the vehicle .........................272
Transmission selector lever, 
manually unlocking  ................... 274
Exterior lamps  ................................275
Headlamp assembly ................... 276
Taillamp assemblies  ..................278
Adjusting headlamp aim ...............280
Changing batteries in 
the electronic key  .....................283
Synchronizing remote 
control  ..........................................285
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26 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Start lock-out
Important!
Removing the electronic key from the steering lock 
activates the start lock-out. The engine cannot be 
started.
Inserting the electronic key in the steering lock 
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is 
in order), 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).General notes on the central locking system
If the electronic key is inserted in the steering lock, the 
vehicle cannot be locked or unlocked with the remote 
control.
If the vehicle cannot be locked or unlocked:
•Aim transmitter eye at a receiver of either door 
handle. Check the batteries of the electronic key, see 
page 283 or to synchronize the remote control, see 
page 285.
•Use the mechanical key to unlock the driver’s door. 
To start the engine, insert the electronic key in the 
steering lock. There could be a slight delay until the 
electronic key can be turned in the steering lock.
Important!
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.
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27 Central locking system
Technical
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 283 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 and sliding/pop-up 
roof 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 ‹.
With vehicle centrally locked, the trunk can also be 
opened by using the remote control.
If the electronic key is inserted in steering lock, the 
vehicle cannot be locked or unlocked, and the trunk lid 
cannot be opened with the remote control.1Transmit button
‹ Locking
Œ Unlocking
Š Opening trunk (if not separately locked)
2Lamp for battery check (see page 283 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
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29 Central locking system
Technical
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 Œ twice to unlock both doors, 
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Œ  once to unlock both doors, 
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will 
remain locked, see page 37.
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 or 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 page 283 and 285.
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30 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Choosing global or selective mode on remote control
Press and hold transmit buttons ‹ and Œ 
simultaneously for approx. 6 seconds to reprogram the 
remote control. Battery check lamp will blink two times 
indicating the completed mode change.
Opening the trunk
The trunk lid will swing open automatically. You should 
always make sure there is sufficient clearance.
A minimum height clearance of 5.9 ft. (1.8 m) is 
required to open the trunk lid.
Press transmit button Š until trunk lid is open.Important!
Do not place remote control in trunk since trunk is 
locked when the lid is closed if the vehicle is centrally 
locked.
Note:
If the trunk was previously locked separately, it will 
remain locked, see page 37.
J_C208_II.book Seite 30 Donnerstag, 31. Mai 2001 10:13 10 

31 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Opening and closing windows and 
sliding/pop-up roof from outside
Aim transmitter eye of remote control at a door receiver.
To o pen :
Continue to press transmit button Œ after unlocking 
the vehicle.
The windows and sliding/pop-up roof begin to open 
after approx. 1 second.
To interrupt opening procedure, release transmit 
button.
To c lo se:
Continue to press transmit button ‹ after locking 
the vehicle.
The windows and sliding/pop-up roof begin to close 
after approx. 1 second.
To interrupt closing procedure, release transmit button.Note:
If the windows and sliding/pop-up roof cannot be 
operated automatically by pressing the transmit button 
of t he r emo te c ontr ol then  it m ay  be n ece ssar y to chan ge 
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 page 283 and 285.
Wa r n i n g !
Never operate the windows or sliding/pop-up roof if 
there is the possibility of anyone being harmed by 
the opening or closing procedure.In case the procedure causes potential danger, the 
procedure can be immediately halted by releasing 
the remote control button. To reverse direction of 
movement press Œ for opening or ‹ for 
closing.
J_C208_II.book Seite 31 Donnerstag, 31. Mai 2001 10:13 10 

39 Trunk lamp
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Trunk lampIf the trunk is to remain open for a long period of time, 
the trunk lamp can be switched off by pulling out the 
plunger in the switch (arrow). This prevents the vehicle 
battery from being discharged.
When the trunk lid is closed, the switch will reset and 
turn on the lamp next time the lid is opened.
P82.20-2029-26
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41 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Trunk lid emergency release 
(vehicles built prior to September 2001)
The emergency release button (1) is located in the trunk 
lid.
Briefly press emergency release button (1).
All doors, the fuel filler flap, and the trunk unlock; and 
the trunk lid opens.
The vehicle production date (e.g. 09 / 01) can be found 
on the certification label, which is located on the 
driver’s door pillar, see page 299.Note:
The emergency release button (1) only unlocks and 
opens the trunk while the vehicle is not in motion.
Important!
The emergency trunk lid release button (1) does not 
open the trunk lid, if the trunk has been locked using 
the mechanical key or if the vehicle battery is 
discharged or disconnected.
Illumination of the emergency release button (1):
The button will blink for 30 minutes after opening the 
trunk.
The button will blink for 60 minutes after closing the 
trunk.
1
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