Page 463 of 506

462 Technical termsCruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Curb weight
(
page 336)
DOT
(Department O
f Transportation)
(
page 336)
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS
FSS (Canada vehicles)
(F
lexible S
ervice S
ystem)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. FSS evaluates en-
gine temperature, oil level, vehicle
speed, engine speed, distance driven
and the time elapsed since your last
maintenance service, and calls for the
next maintenance service accordingly.GAWR
(G
ross A
xle W
eight R
ating)
(
page 336)
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector le-
ver.
GPS
(Global P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
GVW
(G
ross V
ehicle W
eight)
(
page 336)
GVWR
(Gross V
ehicle W
eight R
ating)
(
page 336)
Page 465 of 506

464 Technical termsMultifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.
Normal occupant weight
(
page 337)
OCS
(Occupant 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
parking maneuvers.Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all
components used to generate and
transmit motive power to the drive
axles, including
engine
clutch/torque converter
transmission
transfer case
drive shaft
differential
axle shafts/axles
Production options weight
(
page 337)Program mode selector switch
Used to switch the automatic transmis-
sion between regular operationS and
comfort operationC.
CLK 55 AMG with steering wheel gear-
shift control and manual shift program:
In addition toS andC (for regularS or
comfortC operation, see above) you
can use theM for manual shift
program.
PSI
(P
ounds per S
quare I
nch)
(
page 337)
Recommended tire inflation pressure
(page 337)
REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Page 468 of 506

467 Index
A
ABS 25, 84, 461
Malfunction indicator lamp 354
Messages in display 366
Accelerator position, automatic
transmission 170
Accessory weight 335
Accident
In case of 54
Activating
Air conditioning (cooling) 188, 198
Air recirculation mode 186, 196
Anti-theft alarm system 90
Automatic climate control* 191
Central locking (control system) 155
Charcoal filter 197
Climate control 181
Climate control system 183
Defrosting 185
Automatic climate control* 195
Easy-entry/exit feature 156ESP 88
Exterior headlamps 50
Exterior lamps 123
Exterior rear
view mirror parking position 177
Front and rear fog lamp 125
Hazard warning flasher 128
Headlamps 50
High beams 126
Ignition 34
Ignition with KEYLESS-GO* 36
Immobilizer 56, 89
Rear window defroster 179
Residual heat 199
Seat ventilation* 118
Tow-away alarm 91
Windshield wipers 52
Adding
Coolant 310
Engine oil 309
Additional turn signals 414
Adjustable air vents, rear
passenger compartment 189, 200Adjusting 37
Air distribution 184, 194
Air volume 184, 194
Backrest tilt 38
Exterior rear view mirror 41
Head restraint height 38
Head restraint tilt 39
Instrument cluster illumination 130
Interior rear view mirror 41
Mirrors 41
Multicontour seat* 116
Seat cushion depth 116
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
Adjusting air
distribution and volume 184
Adjusting sound functions 205
Adjusting the volume 205
Aids for changing fuses 436
Page 469 of 506

468 IndexAir bags 61
Children 62
Front 65
Head-thorax 66
Passenger 65
Rear side-impact 67
Safety guidelines 64
Air conditioning (cooling) 187
Turning off 188, 198
Turning on 188, 198
Air conditioning refrigerant 456
Air distribution
Adjusting 184, 194
Air pressure 335
Air pressure see Tire inflation pressure
Air recirculation mode 186, 195
Activating 186, 196
Deactivating 187, 196
Air vents, rear passenger compartment
Adjustable 189, 200
Air volume
Adjusting 184, 194
Alarm
Audible 83, 91, 92
Canceling 91, 92
Visual 89Alarm system
Anti-theft 89
Alignment bolt 424
Alignment bolt (vehicle tool kit) 461
Anticorrosion/antifreeze 459
Antiglare
Auto-dimming 176
Antilock brake system (ABS) 461
Anti-theft alarm system
Arming 90
Canceling alarm 91, 92
Disarming 90
Anti-theft systems 89
Anti-theft alarm system 89
Immobilizer 89
Tow-away alarm 91
Aquaplaning see Hydroplaning
Armrest
Storage box 271
Storage compartments 270
Ashtray (Center console) 273
Opening 273
Reinstalling 273
Removing 273
Ashtray (Rear seat) 273
Opening 274Aspect ratio 335
At the gas station 302
ATF (automatic transmission fluid) 309
AUDIO menu 139
Selecting radio station 139
Selecting satellite radio* station 140
Audio system 201
Audio and telephone, operation 201
Button and soft key operation 204
CD operation 218
Operating and display elements 202
Operating safety 201
Operation 204
Radio operation 209
Sound system 201
Switching off 204
Switching on 204
Telephone* operation 224
Auto-dimming for rear view mirror 176
Automatic central locking
Activating/deactivating
(control system) 155
Locking/unlocking
(central locking switch) 110
Page 470 of 506

469 Index
Automatic climate control 190
Activating 191
Adjusting air distribution 194
Air recirculation mode 195
Deactivating 191
Defrosting 195
Rear window defroster 179
Setting the temperature 193
Automatic headlamp mode 123
Automatic lighting control
Activating 128
Deactivating 129
Automatic locking when driving 110
Automatic shift program 169Automatic transmission 163
Accelerator position 170
Comfort program mode 169
Emergency operation
(Limp Home Mode) 175
Fluid level 309
Gear ranges 166
Gear selector lever 163
Gear selector lever position 163, 167
Gear shifting malfunctions 175
Kickdown 170
Manual shifting 165
One-touch gearshifting 165
Program mode selector switch 169
Starting the engine 47
Transmission fluid 309
Auxiliary fuse box 438B
Backup lamps 415, 420
Bulbs 415
Bar 336
BAS 85, 461
Messages in display 367
Batteries, SmartKey
Check lamp 97, 103
Checking 97, 103
Replacing 412
Batteries, SmartKey with KEYLESS-GO*
Check lamp 97, 103
Checking 97, 103
Replacing 413
Battery discharged
Jump starting 430
Battery, vehicle 311, 427
Charging 428
Disconnecting 428
Messages in display 374
Reconnecting 429
Reinstalling 428
Removing 428
Bead 336
Bi-Xenon headlamps* 461
Block heater* 341
Page 475 of 506

474 Index
Headlamps 56
Immobilizer 89
Interior lighting
delayed switch-off 154
Rear window defroster 179
Residual heat 199
Seat ventilation* 118
Tow-away alarm 92
Deep water see Standing water
Defogging
Windshield 185, 194
Defrosting 185, 195
Delayed switch-off
Interior lighting 154
Department of Transportation see DOT
Dialing
A number (telephone) 161
Difficulties
While driving see
Problems while driving
With starting 48
Digital speedometer 138
Direction of rotation (tires) 316
Discharged battery
Jump starting 430Disconnecting
Vehicle battery 428
Display
Selecting 146, 147
Display elements
Audio system 202
Displays
Digital speedometer 139
Maintenance service indicator 342
Messages 308, 363
Selecting 146
Showing vehicle
status message memory 141
Distance to empty (range)
Calling up 158
Door control panel 30
Door entry lamps 129
Door handle 30
Door unlock
With Tele Aid 283
Doors
Message in display 379
Opening from inside vehicle 105
Opening from outside 96, 101
DOT 336Downhill driving
Cruise control 257
Downshifting
Automatic transmission 165
Drinking and driving 291
Driving
General instructions 43, 291
Hydroplaning 295
In winter 297
Problems 54
Safety systems 84
Through standing water 298
Traveling abroad 299
Driving instructions 291
Driving off 294
Driving safety systems
ABS 84
BAS 85
ESP 86
Driving systems 255
Cruise control
CLK 320 / CLK 55 AMG 255
Driving safety systems 84
Parktronic system* 260
Page 478 of 506
477 Index
Fuses 436
Aids for changing fuses 436
Auxiliary fuse box in trunk 438
Fuse box in engine compartment 437
Fuse box
in passenger compartment 437
Fuse chart 436
Fuse extractor 436
Spare fuses 436G
Garage door opener 29, 284
Gasoline see Fuel
Gasoline additives 457
GAWR 336
Gear range 462
Automatic transmission 166
Limiting 166
Shifting into optimal 165
Gear range limit
Canceling 165
Gear selector lever 25, 163, 400
Cleaning 351
Position 25
Position
(Automatic transmission) 163, 167
Unlocking manually 400
Global
Locking 96
Locking with KEYLESS-GO* 102
Unlocking 96
Unlocking with KEYLESS-GO* 101Global Positioning System (GPS) 462
Glove box 23, 269
Closing 269
Opening 269
Good visibility 176
GPS 462
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 336
GVWR 336
Page 486 of 506

485 Index
Positions (Memory function)
Recalling from memory 120
Storing into memory 120
Potential problems associated
with underinflated
and overinflated tires 325
Power assistance 291
Power seat
Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting head restraint tilt 39
Adjusting seat cushion tilt 38
Adjusting seat height 38
Front seat head restraints 114
Seat fore and aft adjustment 38
Power train 464
Power washer 346
Power windows 239
Blocking of rear window operation 82
Side windows 239
Synchronizing 243Practical hints
Collapsible wheel chock 394
First aid kit 391
Fuses 436
Lamp in center console 361
Lamps in instrument cluster 354
Messages in the display 363
Minispare wheel 394
Minispare wheel bolts 396
Towing the vehicle 432
Unlocking/locking
in an emergency 397
Vehicle jack 393
Vehicle tool kit 391
Premium unleaded gasoline 456
Problems
While driving 54
With vehicle 17
Product information 9
Production options weight 337
Program mode selector switch 464
Automatic transmission 169
PSI 337Q
Quick search
Phone book* 162
R
Radio
Selecting stations 139
Radio operation 209
Radio see Radio operation
Radio transmitters,
control and operation 299
Radio*
Selecting stations (satellite) 140
Range (distance to empty)
Calling up 159
Reading lamp 29
Rear fog lamp 415
Bulb 415
Switching on 125
Rear lamp bulbs
Replacing 420
Rear lamps see Tail lamps
Rear passenger compartment
Adjustable air vents 200
Rear passenger compartment
Adjustable air vents 189