2003 MERCEDES-BENZ E320 4MATIC WAGON key

306 Electronic key
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Important!
Batteries contain materials that can harm the
environment if disposed of improperly. Recycling of
batteries is the preferred method of disposal. For
disposal, please follow manufacturer’s recommendation
on battery package.
Replacement Battery:
Lithium, type CR 2025 or equivalent.Synchronizing remote control
The remote control may have to be resynchronized, if
the vehicle cannot be locked or unlocked.
To synchronize insert electronic key in starter switch.
The remote control should once again be operational.

308 Manual release for fuel filler flap
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Manual release for fuel filler flap
The manual release knob is located behind the right
side rear compartment trim panel.
In case the central locking system does not release the
fuel filler flap, pull the manual release knob (arrow)
while simultaneously opening the fuel filler flap.Replacing wiper blade insert
For safety reasons, remove electronic key from steering
lock before replacing the wiper blade, otherwise the
motor can suddenly turn on and cause injury.
Notes:
Do not open engine hood with wiper arm folded forward.
Do not allow the wiper arm to contact the windshield
glass without a wiper blade inserted. The glass may be
scratched or broken.
Make certain that the wiper blade is properly installed.
An improperly installed wiper blade may cause
windshield damage.
P80.20-2089 -26

317 Cleaning and care of the vehicle
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex Cleaning the parktronic system sensors
Use a mild car wash detergent, such as Mercedes-Benz
approved Car Shampoo, with plenty of water.
When using a steam cleaner or power washer, aim
nozzle only briefly from a minimum distance of 4 in.
(10 cm) at sensors (1).
To prevent scratches, never apply strong force and use
only a soft, non-scratchy cloth when cleaning the
sensors. Do not attempt to wipe dirty sensors with a dry
cloth or sponge.Window cleaning
Use a window cleaning solution on all glass surfaces. An
automotive glass cleaner is recommended.
Note:
For safety reasons, remove electronic key from steering
lock before cleaning the windshield, otherwise the
wiper motor can suddenly turn on and cause injury.
Wiper blade
Clean the wiper blade inserts with a clean cloth and
detergent solution.
Note:
For safety reasons, remove electronic key from steering
lock before cleaning the wiper blade, otherwise the
wiper motor can suddenly turn on and cause injury.
P88.20-2049-261
1
1

336 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Index
AABS (Antilock brake system) .......................................227
Malfunction indicator lamp ..................................... 248
ABS-SYSTEM - malfunction and warning
messages .................................................................... 253
Adjusting steering wheel ................................................ 81
Air conditioner refrigerant ........................................... 330
Air distribution .............................................................. 130
Air volume ...................................................................... 130
Airbag deactivation system ............................................ 65
AIRBAG OFF indicator lamp ........................................249
Airbags .............................................................................. 68
Alarm system ..............................................................39, 41
Anticorrosion/antifreeze ................... 220, 275, 328, 332
Antilock brake system (ABS) .......................................227
Malfunction indicator lamp ..................................... 248
Antitheft alarm system ................................................... 39
Aquaplaning ................................................................... 217
Armrest, rear bench ...................................................... 162
Ashtrays .......................................................................... 166
Center console, front ................................................ 166
Rear doors .................................................................. 167Audio system .................................................................. 135
Anti-theft system ....................................................... 137
Button and soft key operation ................................. 138
Cassette mode ............................................................ 143
CD changer ................................................................. 148
CD mode ..................................................................... 147
Operating and display elements ............................. 136
Operating safety ........................................................ 135
Operation – audio and telephone ........................... 135
Radio mode ................................................................ 141
Telephone operation ................................................. 151
Audio systems ................................................................... 97
Cassette player ............................................................ 99
CD player ......................................................................98
Radio .............................................................................97
Automatic central locking .............................................. 35
Automatic climate control ............................................ 126
Activated charcoal filter ........................................... 132
Air distribution .......................................................... 130
Air recirculation ........................................................ 131
Air volume .................................................................. 130
Basic setting ............................................................... 129
Defogging windows ................................................... 129
Defrosting ...................................................................129
Display and controls .................................................128
Dust filter ................................................................... 131

338 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Central locking switch .................................................... 34
Central locking system ................................................... 27
Automatic central locking ......................................... 35
Choosing global or selective mode ........................... 30
Electronic key .............................................................. 25
Locking and unlocking .............................................. 29
Mechanical keys .......................................................... 31
Remote control ............................................................ 25
Summer opening/convenience feature ................... 30
CHECK ENGINE malfunction indicator lamp ............ 244
Check regularly and before a long trip ...................... 241
Checking engine oil level
Via engine oil level indicator ...................................117
Via oil dipstick ...........................................................273
Child restraint ..................................................... 57, 65, 77
Child seat
Infant and child restraint systems ........................... 77
Cleaning and care of the vehicle ................................. 314
Clock, setting ...................................................................110
Coin holder in glove box lid ......................................... 163
COMAND, radio, telephone and two-way radio ........ 186
Combination switch ...................................................... 122
Consumer information .................................................. 334
Control and operation of radio transmitters ............. 186
COOLANT (coolant level) - malfunction and
warning messages ....................................................256Coolant level ................................................................... 274
Adding coolant .......................................................... 275
Checking ..................................................................... 274
COOLANT TEMP. - malfunction and warning
messages ................................................................... 257
Coolant temperature gauge ............................................90
Coolants .......................................................................... 332
Anticorrosion/antifreeze quantity ........................ 333
Cruise control ................................................................ 222
Cup holder
In center console ....................................................... 165
In glove box lid .......................................................... 163
In rear bench armrest ............................................... 162
DDaytime running lamps ................................................120
Standing water
Driving instructions .................................................221
DISPLAY DEFECTIVE (engine control unit) -
malfunction and warning messages ......................251
DISPLAY DEFECTIVE (several systems) - malfunction
and warning messages ............................................. 251
Display illumination ........................................................89
Doors ..................................................................................32
Drinking and Driving .................................................... 213

339 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex Drive sensibly - Save Fuel ............................................ 213
Driving instructions ...................................................... 213
Driving off ....................................................................... 215
EELEC. STABIL. PROG. - malfunction and warning
messages .................................................................... 263
Electrical outlet .............................................................. 269
Electronic key ................................................................... 25
Changing batteries ................................................... 304
Synchronizing remote control ................................ 306
Electronic stability program (ESP) .............................. 230
Control switch ...........................................................232
Malfunction indicator lamp ..................................... 247
Synchronizing ........................................................... 231
Warning lamp ............................................................247
Emergency call
See Tele Aid ............................................................... 188
Emergency engine shut-down ..................................... 306
Emergency tensioning device (ETD) ............................. 67
Emergency tensioning device (ETD) ............................. 67
SRS indicator lamp ................................................... 246
Emergency unlocking in case of accident ................... 35
Emission control ............................................................ 199Emission control label .................................................. 324
Engine compartment .................................................... 270
ENGINE FAN - malfunction and warning
messages ................................................................... 255
Engine malfunction
CHECK ENGINE malfunction indicator lamp ...... 244
Engine oil additives ...................................................... 330
Engine oil consumption ................................................ 118
Engine oil level
Checking ............................................................. 117, 273
Warning ...................................................................... 261
ENGINE OIL LEVEL - malfunction and warning
messages .................................................................... 261
Engine oil level indicator .............................................. 117
Engine oils ..................................................................... 330
ESP (Electronic Stability Program) ............................ 230
Control switch .......................................................... 232
Malfunction indicator lamp .................................... 247
Synchronizing ........................................................... 231
Warning lamp ........................................................... 247
ETD (Emergency tensioning device) ............................. 67
ETD (Emergency tensioning device)
SRS indicator lamp .................................................. 246
Express opening and closing
Power windows .......................................................... 154
Exterior lamp switch ..................................................... 119

341 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
HHazard warning flasher switch ................................... 125
Head restraints
Front seat ..................................................................... 48
Rear seat ....................................................................... 49
Rear seat head restraint, storage .............................. 50
Synchronizing ............................................................. 44
Headlamp cleaning system .......................................... 121
Headlights ........................................................................119
Heated seats ..................................................................... 52
High beams
Combination switch .................................................. 122
Hood ................................................................................. 270IIdentification labels ....................................................... 323
Illuminated vanity mirrors ........................................... 161
Indicator lamps in the instrument cluster .......... 88, 244
Individual settings ..........................................................110
Infant and child restraint systems ................................ 77
Information call
See Tele Aid ............................................................... 188
Instrument cluster ........................................................... 86Activating .....................................................................89
Illumination ................................................................. 89
Indicator lamps ............................................................ 88
Instruments and controls ............................................... 18
Interior
General notes ............................................................. 162
Interior lighting .............................................................. 159
JJump starting ..................................................................291KKeys, changing batteries .............................................. 304
Keys, vehicle .....................................................................24LLamps, exterior
Fog lamps ........................................................... 119, 301
Headlamps ........................................ 119, 258, 298, 316
Parking lamps ........................................... 119, 300, 301
Replacing bulbs ........................................................ 297

342 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Side marker lamp, front ................................... 119, 303
Standing lamps ......................................... 119, 300, 301
Taillamps ........................................... 119, 258, 301, 316
Layout of poly-V-belt drive ............................................ 324
LIGHT SENSOR - malfunction and warning
messages .................................................................... 259
Lighter ............................................................................. 168
LIGHTING SYSTEM - malfunction and warning
messages .................................................................... 258
Limp home mode ........................................................... 211
Loading instructions ..................................................... 177
Locking and unlocking ................................................... 29
Low beams
Exterior lamps ...........................................................297
MMaintenance ................................................................... 187
Malfunction and indicator lamp in the
center console ...........................................................249
Malfunction and indicator lamps in the instrument
cluster .........................................................................244
Malfunction and warning messages ...........................250
ABS-SYSTEM ............................................................. 253
BATTERY / ALTERNATOR .......................................252
BRAKE ASSIST ..........................................................253BRAKE FLUID ........................................................... 254
BRAKE LINING WEAR ............................................ 254
COOLANT (coolant level) ........................................ 256
COOLANT TEMP. ...................................................... 257
DISPLAY DEFECTIVE (engine control unit) .........251
DISPLAY DEFECTIVE (several systems) ................251
ELEC. STABIL. PROG. .............................................. 263
ENGINE FAN ............................................................. 255
ENGINE OIL LEVEL .................................................. 261
LIGHT SENSOR ......................................................... 259
LIGHTING SYSTEM .................................................. 258
PARKING BRAKE ..................................................... 255
REMOVE KEY ........................................................... 259
STEERING GEAR OIL ............................................... 260
TELE AID ................................................................... 263
WASHER FLUID ........................................................ 262
Malfunction message memory .................................... 108
Manual release for fuel filler flap .............................. 308
Mechanical keys ............................................................... 31
Memory ................................................................ 45, 81, 84
Recalling ....................................................................... 46
Storing ...........................................................................45
Mirror, exterior, adjusting .............................................. 83
Mirror, exterior, rear view .............................................. 83
Mirror, inside, rear view .................................................82
Multicontour seat ............................................................. 51