key battery MERCEDES-BENZ CLK320 COUPE 2003 C209 User Guide

312 Practical hintsUnlocking/locking in an emergencyChanging batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey /
SmartKey with KEYLESS-GO*
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.

Remove mechanical key1
(page 310).

Insert the mechanical key in side open-
ing and push gray slide.
The battery compartment is unlatched.

Pull the battery compartment out of the
key housing in direction of arrow.

Remove the batteries.
3Battery
4Contact spring
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz
Center.

329 Practical hints
Battery
Battery
The battery is located in the engine com-
partment on the right hand side.
Removal of filter box:
Release the three clamps1.

Remove filter box.
Installation of filter box:

Insert filter box properly.

Secure it with the three clamps1.
Warning!
G
Failure to follow these instructions can re-
sult in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking etc.
!Never loosen or detach battery termi-
nal clamps while the engine is running
or the key is in the starter switch. Oth-
erwise the alternator and other elec-
tronic components could be severely
damaged.
Have the battery checked regularly by
an authorized Mercedes-Benz Center.
Refer to Service Booklet for mainte-
nance intervals or contact your autho-
rized Mercedes-Benz Center for further
information.Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof battery only to avoid the risk
of acid burns in the event of an accident.

330 Practical hintsBattery1Negative terminal
2Cover over positive terminal
Disconnecting the battery
Turn off all electrical consumers.

Open the hood (
page 253).

Remove the filter box.

Disconnect battery negative lead1.

Remove cover 2 from the positive ter-
minal.

Disconnect the battery positive lead.
Removing the batteries
Remove the screw securing the bat-
tery.

Remove the battery support and brack-
et. Take out the battery.
Charging and reinstalling batteries
Charge battery in accordance with the
instructions of the battery charger
manufacturer.

Reinstall the charged battery. Follow
the previously described steps in re-
verse order.
Warning!
G
With a disconnected battery

y o u w i l l n o l o n g e r b e a b l e t o t u r n t h e k e y
in the starter switch and pressing the
KEYLESS-GO* start/stop button (if so
equipped) on the selector lever will have
no effect


the selector lever will remain locked in
positionP
Warning!
G
Never charge a battery while still installed in
the vehicle. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.

336 Practical hintsTowing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper2Cover on right side of rear bumper
To remove cover:

Press mark on cover in direction of ar-
row.

L i f t c o v e r o f f t o r e v e a l t h r e a d e d h o l e f o r
towing eye bolt.
The towing eye bolt is supplied with the
tool kit (located in the compartment under-
neath the trunk floor).

Screw towing eye bolt to its stop and
tighten with lug wrench.
To reinstall cover:

Fit cover and snap into place.
!When towing the vehicle with all wheels
on the ground, please note the follow-
ing:
With the automatic central locking acti-
vated and the key in starter switch
position2, or KEYLESS-GO* start/stop
button (if so equipped) in position2,
the vehicle doors lock if the left front
wheel as well as the right rear wheel
are turning at vehicle speeds of approx.
9 mph (15 km / h) or more.
Switch off the tow-away alarm
(page 81).
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking (
page 133).
Towing of the vehicle should only be
done using the properly installed tow-
ing eye bolt. Never attach tow cable,
tow rope or tow rod to the vehicle chas-
sis, frame or suspension parts.
iThe selector lever will remain locked in
positionP and the key will not turn in
the starter switch if the battery is dis-
connected or discharged. See notes on
the battery (
page 329) or on jump
starting (
page 332).

369 Index
Automatic lighting control
Activating 109
Deactivating 109
Automatic locking when driving 95
Automatic transmission 141
Accelerator position 146
Activating steering wheel gearshift
control 147
Deactivating steering wheel gearshift
control 148
Emergency operation (Limp Home
Mode) 146
Fluid level 256
Gear ranges 143
Gear selector lever position 144
Gear shifting malfunctions 146
Kickdown 146
Manual shift program, CLK 55 AMG
146
One-touch gearshifting 142
Program mode selector switch 145
Selector lever position 141
Speedshift, CLK 55 AMG 146
Starting the engine 43
Steering wheel gearshift control
(Speedshift), CLK 55 AMG 146Transmission fluid 256
Winter program mode 145, 147
Auxiliary fuse box 338
B
BabySmart
TM
Airbag deactivation system 68
Compatible child seats 68, 361
Self-test 68
BabySmart
TM airbag deactivation system
361
Backrest
Folding forward 216
Folding rearward 217
Backup lamps 317, 322
Bulbs 317
BAS 76, 361
Messages in display 285
Batteries, SmartKey
Changing 312
Check lamp 85
Checking 86
Batteries, SmartKey with KEYLESS-GO*
Changing 312
Checking 86
Battery discharged
Jump starting 332Battery, vehicle 258, 329
Charging 330
Disconnecting 330
Messages in display 303
Reconnecting 331
Reinstalling 330
Removing 330
Bi-Xenon headlamps* 361
Block heater* 265
Blocking
Rear window operation 72
Bolts
For Minispare wheel 309
Brake assist system (BAS) 361
Brake fluid 353
Brake lamp bulbs 317
Brake lamp, high mounted 317
Brake pads
Message in display 286
Brakes 242
Warning lamp 279
Break-in period 240

370 IndexBulbs, replacing 316
Additional turn signals 317
Backup lamps 317
Brake lamps 317
Fog lamps 317
Front lamps 317
High beam 317
High mounted brake lamp 317
License plate lamps 317, 322
Low beam 317
Parking lamps 317, 319, 321
Rear fog lamp 317
Rear fog lamps 322
Side marker lamps 317, 321
Standing lamps 317, 319, 321
Tail lamp assemblies 317, 322
Turn signal lamps 317
Button
Audio system 168C
CAC (Customer Assistance Center) 362
Calling up
Distronic* settings 121
Range (distance to empty) 137
Service indicator 267
CAN system 362
Capacities
Fuels, coolants, lubricants, etc. 351
Cargo tie-down rings 218
Casette mode
Playing cassettes 174
Cassette player
Operating 121
Catalytic converter 248
CD changer* 178
CD mode 178
CD player
Operating 120
Center console 25
AIRBAG OFF indicator lamp 282
Lower part 26
Upper part 25
Centigrade
Setting temperature units 126Central locking
Automatic 95
From inside 95
Switch 95
Switching on/off (control system) 133
Unlocking from inside 95
Central locking switch 95
Changing
Batteries (SmartKey with KEY-
LESS-GO*) 312
Batteries (SmartKey) 312
Key setting 133
Changing CDs 178
Charcoal filter 161
Activating 161
Deactivating 161
Charging
Vehicle battery 330
CHECK ENGINE malfunction indicator
lamp 280
Checking
Coolant level 256
Oil level 252, 254
Tire inflate pressure 252
Vehicle lighting 252

378 IndexIntegrated remote control
Canadian programming 237
Erasing memory 238
Hand-held transmitter 236
Operating 238
Rolling code programming 237
Interior lighting 109
Activating automatic control 109
Deactivating automatic control 109
Delayed switch-off 132
Manual operation 110
Interior storage spaces 219
Armrest 221
Glove box 219
Parcel net 222
Storage bags 222
J
Jack 305, 306
Jump starting 332K
Key dependency memory
Settings 135
Key positions in starter switch 31
Key, mechanical 310
Key, SmartKey
Battery check lamp 85
Changing battery 312
Changing the batteries 312
Checking the batteries 86
Factory setting 85
Global locking 85
Global unlocking 85
Loss of 87
Positions in starter switch 31
Remote controls 84
Restoring to factory setting 85
Selective setting 85
Starting the engine 44
Turning off the engine 51
Unlocking with 30
Key, SmartKey with KEYLESS-GO*
Changing the batteries 312
Turning off the engine 52KEYLESS-GO* 363
Activating ignition with 33
Closing side windows 91
Closing sliding/pop-up roof with 189,
192
Closing sliding/pop-up roof* 91
Closing windows with 189, 192
Factory setting 89
Global locking 90
Global unlocking 89
Important notes 88
Locking the vehicle 91
Messages in display 288
Remote controls 88
Starting the engine 44
Turning off engine 52
Unlocking with 32
Unlocking, trunk lid 90
Keys 84
Kickdown 146, 363
Kilometers/miles in speedometer 126
Km/h or mph in speedometer 126

379 Index
L
Labels, identification 342
Lamp bulbs, exterior 316
Lamps, exterior
Front 317
Light sensor 296
Messages in display 296–299
Rear 317
Lamps, indicator and warning
ABS 277
Airbag Off 61
Battery (SmartKey) 85
Brakes 279
CHECK ENGINE 280
Coolant 281, 289
DTR* 198
Engine diagnostics 280
ESP 276
Fuel reserve 280
Instrument cluster 276–281
Seat belts 280
Service indicator 266
SRS 57
Turn signals 23Language
Multifunction display 127
Setting 127
LATCH child seat mounts 71
Folding back 71
Layout of poly-V-belt drive 343
Leather upholstery
Cleaning 273
Lever
For cruise control 200
License plate lamps
Messages in display 298
Replacing bulbs 317, 322
Light alloy wheels
Cleaning 272
Technical data 345
Light sensor 296
Lighter see Cigarette lighter 224Lighting 105
Automatic headlamp mode 106
Combination switch 108
Daytime running lamp mode 106
Door entry lamps 110
Exterior lamp switch 105
Front fog lamps 107
High beam flasher 108
High beams 108
Instrument cluster illumination 111
Interior 109
Locator lighting 107
Low beam 105
Manual headlamp mode 106
Night security illumination 107
Parking lamps 105
Rear fog lamp 107
Settings (control system) 129
Limiting the gear range 143
Limp Home Mode 146
Line of fall 363

381 Index
Mirrors
Adjusting 38
Automatic antiglare for rear view mirror
149
Exterior rear view mirror 38
Exterior rear view mirror parking posi-
tion 150
Exterior rear view mirror parking posi-
tions 135
Inside rear view mirror 38
Storing exterior mirror parking position
103
MON 251
MON (Motor Octane Number) 364
Mph or km/h in speedometer 126
Multicontour seat* 100
Multifunction display 114, 364
Selecting language 127
Standard display 118
Multifunction display messages
ABS 284
BAS 285
Battery 303
Brake fluid 287
Brake pads 286
Check engine 280Coolant 290
Coolant level 289
Display 304
Distronic* 292
Doors 292
Engine 280
ESP 293
Fuel reserve tank 296
Hood 296
Key 296
Lamps 296–299
Parking brake 299
Selector lever 292
SmartKey with KEYLESS-GO* 288
Steering gear oil level 300
Tele Aid 301
Telephone* 301
Trunk 301
Washer fluid 301
Multifunction steering wheel 24, 115, 364
Buttons 115N
Navigation system
Operating 121
See separate COMAND* operating in-
structions
Night security illumination 107
O
Occupant safety 56
Airbags 57
Children and airbags 58
Children in the vehicle 66
Fastening the seat belt 40
Infant and child restraint systems 66
LATCH child seat mounts 71
Seat belts 40, 60
Odometer, main 23
Oil
Adding 255
Checking level 254
Consumption 254
Filler neck 255
Viscosity 363
Oil level
Checking 252

384 IndexRear fog lamp 317
Bulb 317
Switching on 107
Rear lamp bulbs
Replacing 322
Rear lamps see Tail lamps
Rear passenger compartment
Adjustable air vents 164
Rear seat head restraints
Folding back with release button 99
Folding back with switch 98
Installing 99
Placing upright 99
Rear seats 98
Removing 99
Rear seats
Rear seat head restraints 98
Rear view mirror automatic antiglare 149
Rear view mirrors see Mirrors
Rear window
Blocking operation 72
Rear window defroster 162
Activating 162
Deactivating 162
Rear window sunshade* 153Reconnecting
Vehicle battery 331
Refrigerant
Air conditioning 353
Regular checks 252
Reinstalling vehicle battery 330
Remote controls
Integrated 236
SmartKey 84
SmartKey with KEYLESS-GO* 88
Remote door unlock
With Tele Aid* 234
Remote Vehicle Diagnostics 365
Removing
Ski sack 215
Vehicle battery 330
Wheel 326
Wiper blades 323Replacing
Backup lamp bulbs 322
Brake lamp bulbs 322
Bulbs 316
Front lamp bulbs 318
Front turn signal bulbs 319
Fuses 338
High beam bulbs 319
License plate lamp bulbs 322
Low beam bulbs 319
Parking lamp bulbs 319, 321
Rear fog lamp bulbs 322
Rear lamp bulbs 317, 322
Rear turn signal bulbs 322
Side marker lamp bulbs 321
Standing lamp bulbs 319, 321
Wiper blades 323
Reporting
Safety defects 18
Reset knob in the instrument cluster 124