2005 MERCEDES-BENZ CLK320 CABRIOLET Owner's Manual

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.

465 Technical terms
Restraint systems
Seat belts, child restraints, lower an-
chors and tethers for children (LATCH).
As independent systems, their protec-
tive functions complement one anoth-
er.
Rim
(
page 337)
Roll bars
Occupant protection system which
consists of tubular steel, integrated in
the rear head restraints. The roll bars
are lowered into the car body during
normal driving conditions and raised
automatically in an accident or in a crit-
ical driving situation.RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the gear selector lever from
being inadvertently moved out of
positionP without SmartKey turned
and brake pedal depressed.
Sidewall
(
page 337)Soft top
Soft top roof that can be opened by
pulling and closed by pressing a switch
and stored in the soft top compartment
in the trunk area.
Speedshift (CLK 500, CLK 55 AMG)
Steering wheel gearshift control. You
can change the gears yourself with the
steering wheel gearshift buttons.
SRS
(S
upplemental R
estraint S
ystem)
Air bags, air bag control unit (with
crash sensor), emergency tensioning
device. Though independent systems,
they are closely interfaced to provide
effective occupant protection.

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.

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

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

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

470 IndexBlocking
Rear window operation 82
Bolts
For Minispare wheel 396
Brake assist system (BAS) 461
Brake fluid 456
Message in display 375
Brake lamp bulbs 415
Brake lamp, high mounted 415
Brake pads
Message in display 375
Brakes 292
Warning lamp 355
Break-in period 290Bulbs, replacing 414
Additional turn signals 414
Backup lamps 415
Brake lamps 415
Fog lamps 414
Front lamps 414
High beam (Bi-Xenon*) 414
High beam (Halogen) 414
High beam flasher (Bi-Xenon*) 414
High beam flasher (Halogen) 414
High mounted brake lamp 415
License plate lamps 415, 420
Low beam (Bi-Xenon*) 414
Low beam (Halogen) 414
Parking lamps 414, 415, 417, 419
Rear fog lamp 415, 420
Side marker lamps 414, 419
Standing lamps 414, 415, 417, 419
Tail lamp assemblies 415, 420
Turn signal lamps 414, 415
Button
Audio system 204C
CAC (Customer Assistance Center) 461
Calling up
Maintenance service indicator 343
Range (distance to empty) 159
CAN system 461
Canceling
Cruise control 257
Capacities
Fuels, coolants, lubricants, etc. 453
Catalytic converter 300
CD changer* 218
CD changer* operation 220
CD operation 218
CD player
Operating 140
Center console 27
Front passenger front
air bag off indicator lamp 361
Lower part 28
Upper part 27
Centigrade
Setting temperature units 145

471 Index
Central locking
Automatic 110
From inside 110
Locking from inside 110
Switch 110
Switching on/off
(control system) 155
Unlocking from inside 110
Central locking switch 110
Certification label 442
Changing
CDs 218
Key setting 156
Charcoal filter 197
Activating 197
Deactivating 197
Charging
Vehicle battery 428
CHECK ENGINE
malfunction indicator lamp 356
Checking
Coolant level 310
Oil level 304, 307
Tire inflate pressure 304
Vehicle lighting 304Child safety 72
Air bags 62
Front passenger front
air bag off indicator lamp 79
Infant and child
restraint systems 67, 72
LATCH child seat anchors 80
OCS 75
Child safety switch see
Blocking of rear window operation
Child seat anchors see
LATCH child seat anchors
Cigarette lighter 274Cleaning 345
Cup holder 351
Gear selector lever 351
Hard plastic trim items 351
Headlamps 176
Headliner 351
Instrument cluster 351
Leather upholstery 352
Light alloy wheels 350
Nubuck leather upholstery
(CLK 55 AMG) 352
Parktronic system* sensor 349
Plastic and rubber parts 352
Seat belts 351
Soft top 347
Steering wheel 351
Upholstery 352
Windows 350
Windshield 53
Wiper blades 349
Wood trims 352
Cleaning and care of vehicle 345
Cleaning tires 315
Climate control 180
Clock 25, 148