Key batteries MERCEDES-BENZ S500 2002 W220 User Guide

374 KEYLESS-GO-card
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Changing batteries in the KEYLESS-GO-cardChecking batteries
Briefly press button (1). The indicator lamp “Unlock
driver’s door” (2) or “Global Unlock” (3) should come on
red or green.
Change batteries if indicator lamps do not illuminate,
see page 375.
P80.30-2027-26
1
2
3

375 KEYLESS-GO-card
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Changing batteries
Pry open cover (1) (e.g. by using a narrow blade screw
driver) and remove batteries.
Install new batteries as indicated by the “+” and “-”
markings in the KEYLESS-GO-card.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 batteries:
Lithium, type CR 2025 or equivalent.

412 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Center console lighting ................................................. 192
Central locking switch .................................................... 48
Central locking system ................................................... 33
Automatic central locking ......................................... 50
Choosing global or selective mode .....................35, 41
Electronic key .............................................................. 29
KEYLESS-GO-card ....................................................... 30
Locking and unlocking .............................................. 35
Locking and unlocking
with KEYLESS-GO-card ......................................... 38
Mechanical keys .......................................................... 45
Remote control ..................................................... 28, 33
Simultaneous use of electronic key
and KEYLESS-GO-card .......................................... 42
Summer opening/convenience feature ................... 43
Changing batteries in the KEYLESS-GO-card ........... 374
Changing wheels ........................................................... 351
CHECK ENGINE malfunction indicator lamp ............ 302
Check regularly and before a long trip ......................299
Checking engine oil level
Via engine oil level indicator .................................. 156
Via oil dipstick ...........................................................342
Child restraint ............................................. 81, 88, 99, 101
Child seat
See Infant and child restraint systems .................... 99CHIP-CARD (KEYLESS-GO) -
malfunction and warning messages ..................... 328
Cleaning and care of the vehicle ................................ 382
COMAND, radio and telephone ................................... 216
Combination switch ....................................................... 162
Consumer information ................................................. 408
Control and operation of radio transmitters .............. 216
COOLANT (coolant level) -
malfunction and warning messages ...................... 316
COOLANT (coolant temperature) -
malfunction and warning messages ...................... 317
Coolant level
Adding ........................................................................ 344
Checking .................................................................... 344
Coolant temperature gauge .......................................... 115
Coolants .......................................................................... 406
Anticorrosion/antifreeze quantity ........................ 407
Courtesy lighting ........................................................... 192
Cruise control ................................................................ 258
CRUISE CONTROL -
malfunction and warning messages ..................... 325
Cup holder
In front seat armrest ................................................ 202
In rear seat armrest ................................................. 203

413 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
DDashboard ......................................................................... 22
Deep water
Driving instructions ................................................. 256
DISPLAY DEFECTIVE (engine control unit) -
malfunction and warning messages ...................... 310
DISPLAY DEFECTIVE (several systems) -
malfunction and warning messages ...................... 310
Display illumination .......................................................114
Distronic (DTR) .......................................................133, 261
Activation of Distronic ............................................. 264
Additional driving hints .......................................... 269
Cleaning sensor ........................................................ 386
Deactivation of Distronic .........................................266
Displays in the speedometer dial ........................... 276
Distance warning function ...................................... 272
Distronic settings ......................................................273
Driving with Distronic activated ............................267
Invalid attempts to activate ..................................... 265
Multifunction display ...............................................275
Warning lamp ............................................................307
DISTRONIC (DTR) -
malfunction and warning messages ......................332
DOOR - malfunction and warning messages ............. 326
Door control panel ........................................................... 20Door entry lamps ........................................................... 192
Doors
Power closing assist .................................................... 48
Drinking and driving .................................................... 247
Drive sensibly - Save Fuel ............................................ 247
Driving instructions ..................................................... 247
Driving off ...................................................................... 249
EEasy-entry/exit feature ...................................................63
Electronic key ................................................................... 29
Changing batteries ................................................... 371
Starting the engine .................................................. 235
Turning off the engine ............................................ 235
Electronic main key
Synchronizing remote control ............................... 373
Electronic stability program (ESP) ............................. 280
ESP control switch ................................................... 282
Malfunction and warning messages ...................... 315
Synchronizing ........................................................... 281
Warning lamp ........................................................... 307
Emergency call
See Tele Aid ............................................................... 219
Emergency engine shut-down ...................................... 376

416 Index
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Heated seats ..................................................................... 71
High beams
See Combination switch .......................................... 162
Hood ................................................................................. 339
HOOD - malfunction and warning messages ............ 326
IIdentification labels ....................................................... 393
Illuminated vanity mirrors ........................................... 195
Indicator lamps in the instrument cluster ................. 302
Individual settings ......................................................... 138
INST. CLUSTER (Instrument cluster) ..................... 140
LIGHTING ................................................................... 142
VEHICLE .................................................................... 146
Infant and child restraint systems ................................ 99
Installation ................................................................. 101
Information call
See Tele Aid ............................................................... 223
Infrared reflecting windshield .................................... 214
Inside rear view mirror ................................................. 103
Instrument cluster ..........................................................112
Activating ....................................................................114
Illumination ................................................................114
Indicator lamps .................................................112, 302Instruments and controls ............................................... 18
Interior
General notes ............................................................. 196
Interior lighting .............................................................. 190
Rear reading lamp ..................................................... 191
JJack .................................................................................. 347
Jump starting ................................................................. 359KKEY - malfunction and warning messages ............... 325
Key dependent memory settings ..................................111
KEYLESS-GO .....................................................................36
Changing batteries ................................................... 374
Checking last KEYLESS-GO-card locking mode ..... 41
Choosing global or selective mode ........................... 41
Starting the engine .................................................. 236
Turning off the engine ............................................ 236
KEYLESS-GO-card ..................................................... 28, 30
Keys, changing battery .................................................. 371
Keys, vehicle .....................................................................28