2003 MERCEDES-BENZ CLK-CLASS key battery

284 Electronic 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
key.
P80.35-2025-26
5
4
6
P80.35-2027-26
78
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285 Electronic 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 steering lock.
The remote control should once again be operational.
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319 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
KKeys, changing battery ................................................. 283
Keys, vehicle ..................................................................... 24LLamps, exterior .............................................................. 275
Fog lamps ....................................................................116
Headlamp, adjusting ................................................280
Headlamps ...................... 116, 240, 241, 276, 280, 294
Low and high beam .......................................... 119, 277
Parking lamp ..................................................... 116, 277
Replacing bulbs ......................................................... 275
Side marker lamp, front ........................................... 279
Standing lamp ................................................... 116, 277
Taillamp assemblies ......................................... 116, 278
Turn signal lamp ............................................... 119, 277
Layout of poly-V-belt drive ............................................ 300
LIGHT SENSOR - malfunction
and warning messages ............................................ 241
Lighter ............................................................................. 159
LIGHTING SYSTEM - malfunction
and warning messages ............................................ 240
Limp home mode (Automatic transmission) ............. 201
Loading instructions ..................................................... 162Locking and unlocking .................................................... 29
Low engine coolant level warning .............................. 238
MMaintenance ................................................................... 177
Malfunction and indicator lamps
in the instrument cluster ........................................ 226
Malfunction and warning messages .......................... 232
ABS-SYSTEM ............................................................. 235
BATTERY/ALTERNATOR ......................................... 234
BRAKE ASSIST ......................................................... 235
BRAKE FLUID ........................................................... 236
BRAKE LINING WEAR ............................................ 236
COOLANT (coolant level) ........................................ 238
COOLANT TEMP.
(coolant temperature) ......................................... 239
DISPLAY DEFECTIVE
(engine control unit) ........................................... 233
DISPLAY DEFECTIVE
(several systems) ................................................. 233
ELEC. STABIL. PROGR. ............................................ 243
ENGINE FAN ............................................................. 237
ENGINE OIL LEVEL ................................................. 242
LIGHT SENSOR .......................................................... 241
LIGHTING SYSTEM .................................................. 240
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321 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex Power windows ............................................................... 147
Express opening ....................................................... 148
Opening and closing .................................................. 31
Synchronizing ........................................................... 148
Problems with your vehicle ........................................... 14
Product information .......................................................... 7
RRadio
See Audio ................................................................... 135
Radio transmitters ..........................................................176
Rain sensor ..................................................................... 120
Rear seats
Split folding backrest ............................................... 160
Rear view mirrors
Exterior ......................................................................... 81
Inside ............................................................................ 80
Rear window defroster .................................................. 126
Rear window sunshade ................................................. 152
Remote control ................................................................. 27
Battery replacement ................................................. 283
REMOVE KEY - malfunction and warning messages 243
Replacing bulbs .............................................................. 275
Replacing wiper blade insert .......................................287Reporting Safety Defects ................................................. 15
Residual engine heat utilization (REST) .................... 127
Roadside assistance ......................................................... 10
Roadside assistance call
See Tele Aid ............................................................... 184
Roof rack ......................................................................... 289
SSafety guidelines for the seat belt, emergency
tensioning retractor and airbag ................................ 74
Seat belts ...........................................................................58
Fastening ......................................................................60
Seat belt nonusage warning system .........................59
Unfastening .................................................................. 62
Warning lamp ........................................................... 230
Seat belts and integrated restraint system (SRS) .......58
Seats
Backrest ........................................................................ 54
Front seat adjustment ................................................ 45
Heated ...........................................................................56
Memory ........................................................................ 48
Multicontour ................................................................55
Power seat ....................................................................45
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