2001 MERCEDES-BENZ E320 key

291 Electronic main key
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Changing batteries in the electronic main key
1Transmit buttons
2Lamp for battery check and function control
Checking batteries
If one of the transmit buttons (1) is pressed, the battery
check lamp (2) lights up briefly – indicating that the
batteries are in order.
Change batteries if the battery check lamp (2) does not
light up briefly.Changing batteries
Move locking tab (3) in direction of right arrow and
remove mechanical key (4, left arrow).
P80.20-2201-26
1
2
P80.35-2029-26
4
3

292 Electronic main key
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Insert mechanical key (4) in side opening (5) to open
latch. Press briefly (do not use mechanical key as lever)
to release battery compartment.
Remove mechanical key from side opening.
Carefully remove battery compartment in direction of
arrow (6).Change batteries (7), inserting new ones under contact
spring (8) with plus (+) side facing up.
Return battery compartment into housing until locked
in place and slide mechanical key back into electronic
main key.
P80.35-2025-26
5
4
6
P80.35-2027-26
78

293 Electronic main key
Technical
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.Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key, the engine can be turned off by removing
two fuses.
For easy removal of fuses use the fuse extractor
(supplied with vehicle tool kit) to pull out the fuses
marked on the fuse chart as “ENGINE EMERGENCY
OFF”.
The fuse chart is also located in the vehicle tool kit,
seepage264.
For fuses see page 255.

296 Manual release for fuel filler flap
Technical
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 trunk panel.
In case the central locking system does not release the
fuel filler flap, pull the manual release knob while
simultaneously opening the fuel filler f lap.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.
P80.20-2090-26

303 Cleaning and care of the vehicle
Technical
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 rubber 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

326 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Index
AABS (Antilock brake system) ....................................... 217
Malfunction indicator lamp .....................................237
ABS-SYSTEM -
malfunction and warning messages ......................242
Adjusting steering wheel ................................................ 81
Air conditioner refrigerant ...........................................320
Air distribution .............................................................. 130
Air volume ...................................................................... 130
Airbag deactivation system ............................................ 67
AIRBAG OFF indicator lamp ........................................238
Airbags .............................................................................. 70
Alarm system ............................................................. 43, 45
Anticorrosion/antifreeze .................... 210, 262, 319, 322
Antilock brake system (ABS) ....................................... 217
Malfunction indicator lamp .....................................237
Antitheft alarm system ................................................... 43
Aquaplaning ...................................................................207
Armrest, rear bench ...................................................... 162
Ashtrays .......................................................................... 166
Center console ........................................................... 166
Rear doors .................................................................. 167Aud io system
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 ..............................................38
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

328 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Choosing global or selective mode ........................... 32
Electronic main key .................................................... 25
Electronic reserve key ................................................ 26
Locking and unlocking .............................................. 31
Mechanical keys .......................................................... 34
Remote control ............................................................ 25
Summer opening/convenience feature ................... 33
CHECK ENGINE malfunction indicator lamp ............234
Check regularly and before a long trip ...................... 231
Checking engine oil level
Via engine oil level indicator ...................................117
Via oil dipstick ...........................................................260
Child restraint ..................................................... 60, 67, 78
Cleaning and care of the vehicle .................................300
Clock, setting ................................................................... 111
Coin holder in glove box lid ......................................... 163
COMAND, radio and telephone ....................................176
Combination switch ...................................................... 122
Consumer information ..................................................324
Control and operation of radio transmitters ..............176
COOLANT (coolant level) -
malfunction and warning messages ......................245
Coolant level ................................................................... 261
Adding coolant ..........................................................262
Checking .................................................................... 261COOLANT TEMP. -
malfunction and warning messages ..................... 246
Coolant temperature gauge ............................................ 90
Coolants .......................................................................... 322
Anticorrosion/antifreeze quantity ........................ 323
Cruise control ................................................................. 212
Cup holder
In center console ....................................................... 165
In glove box lid .......................................................... 163
In rear bench armrest ............................................... 162
DDaytime running lamps ................................................120
Deep water
Driving instructions ................................................. 211
DISPLAY DEFECTIVE (engine control unit) -
malfunction and warning messages ..................... 240
DISPLAY DEFECTIVE (several systems) -
malfunction and warning messages ..................... 240
Display illumination ........................................................ 89
Doors .................................................................................. 35
Drinking and driving .................................................... 203
Drive sensibly - Save Fuel ............................................ 203
Driving instructions ..................................................... 203
Driving off ...................................................................... 205

329 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
EELEC. STABIL. PROG. - malfunction and
warning messages ....................................................252
Electronic main key ......................................................... 25
Changing batteries ................................................... 291
Synchronizing remote control ................................293
Electronic stability program (ESP) ..............................220
Control switch ...........................................................222
Malfunction indicator lamp .....................................237
Synchronizing ........................................................... 221
Warning lamp ............................................................237
Emergency call
See Tele Aid ............................................................... 178
Emergency engine shut-down .....................................293
Emergency tensioning retractor (ETR) ......................... 69
SRS Indicator lamp ...................................................236
Emergency trunk lid release button ............................. 42
Emergency unlocking in case of accident ................... 38
Emission control ............................................................ 189
Emission control label .................................................. 310
Engine compartment .....................................................257
ENGINE FAN - malfunction and
warning messages ....................................................244
Engine malfunctionCHECK ENGINE malfunction
indicator lamp ...................................................... 234
Engine Oil Additives ..................................................... 320
Engine oil consumption ................................................ 118
Engine oil level
Checking ............................................................. 117, 260
Warning ..................................................................... 250
ENGINE OIL LEVEL -
malfunction and
warning messages ................................................... 250
Engine oil level indicator .............................................. 117
Engine oils ..................................................................... 320
ESP (Electronic Stability Program) ............................ 220
Control switch .......................................................... 222
Malfunction indicator lamp .................................... 237
Synchronizing ...........................................................221
Warning lamp ........................................................... 237
ETR (Emergency tensioning retractor) .........................69
SRS Indicator lamp .................................................. 236
Exterior lamp switch ..................................................... 119
Exterior lamps ............................................................... 285
Additional turn signals on the
exterior mirror ..................................................... 290
Headlamp assembly ................................................. 286
High mounted stop lamp ......................................... 290
Low and high beams ................................................ 287