Page 460 of 498

458 Technical termsMultifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
OCS
(O
ccupant C
lassification S
ystem)
The system automatically turns the
front passenger front air bag on or off
based on the classified occupant size
category determined by weight sensor
readings from the seat.
Overspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.Parktronic (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axlesProgram mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and
comfort operationC.
CLK 55 AMG with steering wheel gear-
shift control and manual shift program:
In addition toS andC (for standardS
or comfortC operation, see above) you
can use theM for manual shift
program.
Page 463 of 498

461 Index
A
ABS 25, 84, 455
Malfunction indicator lamp 354
Messages in display 365
Accelerator position,
automatic transmission 171
Accessory weight 338
Accident
In case of 54
Activating
Air conditioning (cooling) 192, 204
Air recirculation mode 190, 201
Anti-theft alarm system 90
Automatic climate control 195
Central locking (control system) 158
Charcoal filter 203
Climate control 185
Climate control system 187
Defrosting 189
Automatic climate control 200
Easy-entry/exit feature 159
Electric air pump 417
ESP 88Exterior headlamps 50
Exterior lamps 125
Exterior rear view
mirror parking position 180
Front and rear fog lamp 128
Hazard warning flasher 131
Headlamps 50
High beams 129
Ignition 34
Ignition with KEYLESS-GO* 36
Immobilizer 56, 89
Rear window defroster 183
Residual heat 205
Seat heating* 119
Seat ventilation* 120
Tow-away alarm 91, 92
Windshield wipers 52
Adding
Coolant 313
Engine oil 312
Additional turn signals 404
Adjustable air vents, rear
passenger compartment 193, 206Adjusting 37
Air distribution 188, 198
Air volume 199
Backrest tilt 38
Exterior rear view mirror 41
Head restraint height 38
Head restraint tilt 39
Instrument cluster illumination 134
Interior rear view mirror 41
Mirrors 41
Multicontour seat* 118
Seat cushion depth 118
Seat cushion tilt 38
Seat fore and aft adjustment 38
Seat height 38
Seats 37
Steering column in/out 41
Steering column up/down 41
Steering wheel 40
Aids for changing fuses 430
Page 464 of 498

462 IndexAir bags 61
Children 62
Front 65
Passenger 65
Safety guidelines 64
Side impact 66
Window curtain 66
Air conditioning (cooling) 191
Turning off 192, 204
Turning on 192, 204
Air conditioning refrigerant 450
Air distribution
Adjusting 188, 198
Air pressure 338
Air pressure see Tire inflation pressure
Air pump, electric
Turning on 417
Air recirculation mode 190, 201
Activating 190, 201
Deactivating 191, 202
Air vents, rear passenger compartment
Adjustable 193, 206
Air volume
Adjusting 199Alarm
Audible 83, 91, 92
Canceling 91, 92
Visual 90
Alarm system
Anti-theft 90
Alignment bolt (vehicle tool kit) 415, 455
Anticorrosion/antifreeze 453
Antiglare
Auto-dimming 178
Antilock brake system (ABS) 455
Anti-theft alarm system
Arming 90
Canceling alarm 91, 92
Disarming 91
Anti-theft systems 89
Anti-theft alarm system 90
Immobilizer 89
Tow-away alarm 91
Aquaplaning see Hydroplaning
Armrest
Front 273
Rear 274
Storage compartments 273Ashtray (Center console) 276
Opening 276
Reinstalling 276
Removing 276
Ashtray (Rear seat) 276
Opening 277
Reinstalling 277
Removing 277
Aspect ratio 338
At the gas station 305
ATF (automatic transmission fluid) 312
AUDIO menu 143
Operate CD player 144
Selecting radio station 143
Selecting satellite radio* station 143
Audio system 207
Audio and telephone, operation 207
Button and soft key operation 210
CD operation 225
Operating and display elements 208
Operating safety 207
Operation 210
Radio operation 215
Switching off 211
Switching on 210
Telephone* operation 232
Page 465 of 498

463 Index
Auto-dimming rear view mirrors 178
Automatic central locking
Activating/deactivating
(control system) 158
Automatic climate control 194
Activating 195
Adjusting air distribution 198
Air recirculation mode 201
Deactivating 195
Defrosting 200
Rear window defroster 183
Setting the temperature 197
Automatic headlamp mode 125
Automatic lighting control
Activating 132
Deactivating 132
Automatic locking when driving 110
Automatic shift program 170
Automatic time change
(Daylight Saving Time
(DST) summer/winter) 153Automatic transmission 165
Accelerator position 171
Comfort program mode 170
Emergency operation
(Limp Home Mode) 177
Fluid level 312
Gear ranges 168
Gear selector lever 165
Gear selector lever position 165, 169
Gear shifting malfunctions 177
Kickdown 171
Manual shifting 167
One-touch gearshifting 167
Program mode selector switch 170
Starting the engine 47
Transmission fluid 312
Auxiliary fuse box 432B
Backrest
Folding forward 268
Folding rearward 269
Backup lamp 405, 410
Bulbs 405
Back-up lamps
Bulbs 404
Bar 338
BAS 85, 455
Messages in display 366
Batteries, SmartKey
Check lamp 97, 102
Checking 97, 103
Replacing 402
Batteries, SmartKey with KEYLESS-GO*
Check lamp 97, 102
Checking 97, 103
Replacing 403
Battery discharged
Jump starting 423
Page 470 of 498

468 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 157
Rear window defroster 183
Residual heat 205
Seat heating* 119
Seat ventilation* 120
Tow-away alarm 91, 92
Deep water see Standing water
Defogging
Windshield 189, 199
Defrosting 189, 200
Delayed switch-off
Interior lighting 157
Department of Transportation see DOT
Dialing
A number (telephone) 163
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 142
Direction of rotation (tires) 319
Discharged battery
Jump starting 423Disconnecting
Vehicle battery 421
Display
Selecting 150, 151
Display elements
Audio system 208
Displays
Digital speedometer 142
Maintenance service indicator 344
Messages 311, 362
Selecting 150
Showing vehicle
status message memory 145
Distance to empty (range)
Calling up 160
Door control panel 30
Door entry lamps 133
Door handle 30
Door unlock
With Tele Aid 286
Doors
Message in display 378
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 338Downhill driving
Cruise control 257
Downshifting
Automatic transmission 167
Drinking and driving 295
Driving
General instructions 43, 295
Hydroplaning 299
In winter 301
Problems 54
Safety systems 84
Through standing water 302
Traveling abroad 302
Driving instructions 295
Driving off 297
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control 255
Parktronic system* 260
Page 473 of 498

471 Index
Fuels, coolants, lubricants etc.
Capacities 447
Functions (control system) 138, 141
Resetting 147
Fuse box 430, 431
Fuse chart 430
Fuse extractor 430
Fuses 429
Aids for changing fuses 430
Auxiliary fuse box in trunk 432
Fuse box in engine compartment 431
Fuse box in
passenger compartment 430
Fuse chart 430
Fuse extractor 430
Spare fuses 430G
Garage door opener 29, 287
Gasoline see Fuel
Gasoline additives 451
GAWR 338
Gear range 456
Automatic transmission 168
Limiting 168
Shifting into optimal 167
Gear range limit
Canceling 167
Gear selector lever 25, 165, 400
Cleaning 351
Lock 47
Message in display 372
Position 25
Position
(Automatic transmission) 165, 169
Unlocking manually 400Global
Locking 96
Locking with KEYLESS-GO* 101
Unlocking 96
Unlocking with KEYLESS-GO* 101
Global Positioning System (GPS) 456
Glove box 23, 272
Closing 272
Opening 272
Good visibility 178
GPS 456
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 338
GVWR 339
Page 482 of 498

480 IndexPremium unleaded gasoline 450
Problems
While driving 54
With vehicle 17
Product information 9
Production options weight 339
Program mode selector switch 458
Automatic transmission 170
PSI 339
Q
Quick search
Phone book* 164R
Radio
Selecting stations 143
Selecting stations (satellite*) 143
Radio operation 215
Radio transmitters,
control and operation 302
Range (distance to empty)
Calling up 162
Reading lamp 29
Rear bench seat
Foldable 267
Rear fog lamp 405
Bulb 405
Switching on 128
Rear lamp bulbs
Replacing 410
Rear lamps see Tail lamps
Rear passenger compartment
Adjustable air vents 193, 206Rear seat head restraints
Folding back with release button 116
Folding back with switch 116
Installing 117
Placing upright 116
Rear seats 115
Removing 117
Rear seats
Rear seat head restraints 115
Rear view mirrors auto-dimming 178
Rear view mirrors see Mirrors
Rear window
Blocking operation 82
Rear window defroster 183
Activating 183
Deactivating 183
Rear window sunshade* 182
Recommended inflation pressure 339
Reconnecting
Vehicle battery 422
Refrigerant
Air conditioning 450
Refueling 305
Regular checks 307
Page 485 of 498

483 Index
Speedometer display mode 149
Temperature (Interior) 187
Temperature (interior) 197
Temperature indicator 149
To last stored speed
("Resume" function)
in cruise control 259
Units
Speedometer 149
Temperature 149
Setting current speed 256
Setting the temperature 187
Settings
Convenience functions 158
Factory, KEYLESS-GO* 101
Factory, SmartKey 96
Individual (SmartKey) 160
Lighting (control system) 154
Menus and submenus 139
Resetting all (control system) 146
Resetting in the submenu 147
Selective 96, 102
Settings menu
Functions in 146
Individual vehicle settings 146
Submenus 147Shift lock 459
Shifting
Gear selector lever 165
Gear selector lever positions 169
Into optimal gear range
(Automatic transmission) 167
Side impact air bags 66
Side marker lamps
Replacing bulbs 404, 405, 409
Side windows
Automatic opening 248
Cleaning 351
Closing 247, 248, 249
Closing with KEYLESS-GO* 250, 253
Closing with SmartKey 249
Opening 247, 248, 249
Opening fully 248
Opening with SmartKey 249
Stopping 249
Synchronizing power windows 250
Sidewall 339
Simultaneous wiping and washing
Windshield wipers 53
Single wipe 53Ski sack* 264
Removing 267
Unfolding and loading 264
Unloading and folding 266
SmartKey 94
Battery check lamp 96, 102
Checking the batteries 97, 103
Factory setting 96
Global locking 96
Global unlocking 96
Locking and unlocking 94
Loss of 98
Message in display 381
Opening and closing the power
tilt/sliding sunroof* with 253
Opening and closing
windows with 249
Positions in starter switch 34
Remote controls 94
Replacing the batteries 402
Restoring to factory setting 97, 102
Selective setting 96, 102
Starting the engine 47
Turning off the engine 56
Unlocking with 32