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 467 of 506

466 Technical termsTele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.TIN
(T
ire I
dentification N
umber)
(
page 338)
Tire load rating
(page 338)
Tire ply composition and material used
(page 338)
Tire speed rating
(page 338)
Traction
(page 338)
Tread
(page 338)
Treadwear indicators
(page 338)
Uniform Tire Quality Grading Standards
(page 338)Vehicle capacity weight
(
page 338)
Vehicle maximum load on the tire
(page 338)
VIN
(Vehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Wind screen
Screen for deflecting wind from the ve-
hicle interior when the soft top is
lowered.
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 474 of 506

473 Index
Convenience submenu 156
Activating
easy-entry/exit feature 156
Setting key-dependency 157
Setting parking position
for exterior rear view mirror 157
Coolant 310, 458
Adding 310
Anticorrosion/
antifreeze quantity 458
Capacities 453
Checking level 310
Messages in display 376
Temperature 301
Temperature indicator 131
Warning lamp 357, 377
Coolant level
Checking 310Cruise control 462
Canceling 257
Driving downhill 257
Driving uphill 257
Fine adjustment 259
Message in display 368
Setting current speed 256
Setting to last stored speed
(“Resume” function) 259
Cruise control
CLK 320 / CLK 55 AMG 255
Cruise control lever 255
Cruise control lever
CLK 320 / CLK 55 AMG 255
Cup holder
Cleaning 351
Closing 272
In the dashboard 271
Opening 272
Curb weight 336
Customer Assistance Center (CAC) 461D
Date (day)
Setting 150
Date (month)
Setting 149
Date (year)
Setting 151
Daytime running lamp mode 124
Setting 152
Deactivating
Air conditioning (cooling) 188, 198
Air recirculation mode 187, 196
Alarm 90
Anti-theft alarm system 90
Automatic climate control* 191
Central locking (control system) 155
Charcoal filter 197
Climate control 181
Climate control system 183
Defrost 195
Defrosting 185
Engine with KEYLESS-GO* 57
Engine with the SmartKey 56
ESP 87
Exterior lamps 123
Hazard warning flasher 128
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 482 of 506

481 Index
Locator lighting 124
Setting 153
Lock buttons 463
Door handle (KEYLESS-GO*) 58
Locking 55, 94
Fuel filler flap 302
Global with KEYLESS-GO* 102
Global, SmartKey 96
Vehicle in an emergency 398
Loss of Service and
Warranty Information Booklet 441
Loss of SmartKey 98
Loss of SmartKey with
KEYLESS-GO* 105
Low beam headlamps
Messages in display 384
Replacing bulbs (Bi-Xenon*) 414
Replacing bulbs (Halogen) 414, 416
Lowering
Roll bar manually 402
Vehicle 426
Lubricants
Technical data 453
Luggage cover 245
Folding back 245, 264
Latch 245M
Main dimensions 451
Maintenance 12, 342
Maintenance service 342
Basic service (Service A) 342
Calling up the
maintenance service indicator 343
Extended service (Service B) 342
Overdue 343
Types 342
When due 342
Maintenance service indicator 342
Calling up 343
Clearing 343
Resetting 344
Maintenance service system 342
Maintenance system (U.S. vehicles) 463
Malfunction
Displaying 141
Vehicle status
message memory 141, 363
Manual headlamp mode 123Manual operations
Fuel filler flap 399
Interior lighting control 129
Locking the vehicle 398
Roll bar 401
Soft top 403
Unlocking gear selector lever 400
Unlocking the driver’s door 397
Manual shift program 173
MAXCOOL maximum cooling 195
Maximum inflation pressure 337
Maximum load rating 337
Maximum loaded vehicle weight 337
Mechanical key 397
Memory function 119, 463
Recalling
positions from memory 120
Storing exterior rear view
mirror parking positions 121
Storing key-dependent settings 120
Page 484 of 506

483 Index
Roll bar 387
Selector lever 373
SmartKey with KEYLESS-GO* 382
Soft top 389
Steering gear oil level 389
Symbol messages 374–390
Tele Aid 388
Telephone* 390
Text messages 365–373
Trunk 390
Washer fluid 390
Multifunction
steering wheel 26, 134, 464
Buttons 134
N
Navigation system
Operating 141
See separate COMAND*
operating instructions
Night security illumination 124
Normal occupant weight 337
Nubuck leather upholstery (CLK 55 AMG)
Cleaning 352O
Occupant Classification System see OCS
Occupant distribution 337
Occupant safety 60
Air bags 61
Children and air bags 62
Children in the vehicle 72
Fastening the seat belts 43
Front passenger front
air bag off indicator lamp 79, 361
Infant and child restraint systems 72
LATCH child seat anchors 80
OCS 75
Seat belts 43, 64
OCS 75, 464
Self-test 80
Odometer, main 25
Oil
Adding 309
Checking level 307
Consumption 306
Filler cap 309
Filler neck 309
Viscosity 462
Oil level
Checking 304One-touch gearshifting 165
Canceling gear range limit 165
Downshifting 165
Upshifting 165
Opening
Ashtray (Center console) 273
Ashtray (Rear seat) 274
Cup holder 272
Doors from the inside 105
Fuel filler flap 302
Fuel filler flap manually 399
Glove box 269
Hood 305
Side windows 240
Ski sack roller blind* 246, 264
Soft top 244
Soft top (SmartKey) 251
Soft top (switch) 247
Trunk 106
Trunk from the inside 107
Windows 239
Windows with SmartKey 242
Windows with soft top switch 241
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