2004 MERCEDES-BENZ CL500 tires

387 Technical terms
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 AN-
TI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being inadvertently moved out
of positionP without SmartKey turned
and brake pedal depressed.
Speedshift
Steering wheel gearshift control and
manual shift program. In the manual
shift program mode you can change
the gears yourself on the steering
wheel or by using the selector lever. SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.
Tele 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.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).

395 Index
Limiting opening height of
trunk lid 153
Rear window defroster 182
Residual heat 184
Seat heater 113, 114
Seat ventilation* 115
Tow-away alarm 84
Deactivating steering wheel gearshift
control 166
Deceleration
With Distronic* 201
Deep water see Standing water 253
Defrosting 179
Delayed switch-off
Interior illumination 152
Dialing
A number (telephone) 140
Difficulties
While driving see Problems while
driving 52
Digital clock 23
Digital speedometer 134
Direction of rotation (tires) 271
Discharged battery
Jump starting 351Disconnecting
Vehicle battery 349
Displays
Digital speedometer 134
Distronic* 200
Messages 263, 299
Service indicator 282
Showing malfunctions 145
Distance
Decreasing in Distronic* 206
Increasing in Distronic* 206
Setting in Distronic* 205
Warning function 206
Distance to empty (range)
Calling up 143
Distance warning function* 206
Activating 207
Deactivating 207
Distronic* warning lamp 206
Intermittent warning sound 206
Symbol in multifunction display 142
Distronic* 198, 384
Activated 202
Activating 203
Calling up settings 142, 201Cleaning system sensor 287
Cruise control lever 202
Deactivated 202
Deactivating 205
Deceleration 201
Decreasing distance 206
Decreasing time interval 205
Displays in the speedometer dial 200
Distance warning function 206
Driving hints 207
Fine adjustment 204
Increasing distance 206
Increasing time interval 205
Intermittent signal tone 200
Menu 201
Messages in display 302
Resetting stored speed 204
Sensor cover 287
Setting a higher speed 203
Setting a lower speed 204
Setting following distance 205
Setting the current speed 203
Warning and indicator lamps 200
Door control panel 19, 28

402 Index
Storing exterior rear view mirror
parking positions 117
Storing key dependent settings 117
Menus 131
AUDIO 134
Distronic* 142, 201
In control system 132, 133
Malfunction memory 144
NAVI 141
Settings menu 145
Standard display 134
Submenus 131
TEL* 139
Trip computer 143
Microphone
Hands-free microphone 27
Miles/kilometers in speedometer
Setting 148
Mirrors
Activating exterior rear view mirror
parking position 168
Adjusting 40
Automatic antiglare for rear view
mirror 167
Exterior rear view mirror 40Exterior rear view mirror parking
position 156
Exterior rear view mirror parking
positions 156
Interior rear view mirror 40
Storing exterior rear view mirror
parking position 117
MON (Motor Octane Number) 258, 385
Mph or km/h in speedometer 148
Multicontour backrest* 111
Multifunction display 24, 129, 386
Selecting language 149
Standard display 133
Multifunction display messages
ABC 300
ABS 301
BAS 302
Brake fluid 305
Brake pads 305
Check engine 294
Coolant 306
Coolant level 306
Distronic* 302
Doors 309
Engine 294Engine oil level 310
Entry position 312
Hood 312
Key 312
Lamps 315
Parking brake 305
Selector lever 302
SmartKey with KEYLESS-GO* 313
Tele Aid 318
Telephone* 319
Tires 321, 324
Trunk 319
Washer fluid 319
Multifunction steering wheel 24, 130,
386
Buttons 130
N
Navigation system
Operating 141
See separate COMAND operating in-
structions
Night security illumination 121
Nubuck leather upholstery
Cleaning 290

406 IndexResidual ventilation 183
REST (Residual engine heat
utilization) 386
Restraint system see Infant and child re-
straint systems 69, 73
Rims and Tires 365
Roadside Assistance
Tele Aid 234
Roadside assistance 12
Rolling code programming 241
RON (Research Octane Number) 258,
387
Roof rack 219
Rotating wheels 279
Rubber parts
Cleaning 290
S
Safety
Occupant 60
Safety belts see Seat belts 42
Safety defects
Reporting 18
Safety systems
Driving 77
Saving current speed 196Screwdriver (vehicle tool kit) 329
Seat
Heating 113
Seat belt force limiter 68
Seat belts 66
Cleaning 289
Fastening 42
Proper use of 44, 67
Safety guidelines 64
Warning lamp 296
Seat cushion depth
Adjusting 111
Seat heater
Switching off 113
Switching on 113
Seat ventilation*
Switching off 115
Switching on 115
Seats 107
Adjusting 34
Adjusting lumbar support 112
Adjusting shoulder support 111
Easy entry/exit feature 107
Massage function 112
Multicontour backrest* 111Securing cargo
Cargo tie-down hooks 220
Selector lever
Message in display 302
Position (automatic
transmission) 157
Self-test
BabySmart
TM airbag deactivation
system 72
Tele Aid 231
Service
Calling up the service indicator 283
Major service (Service B) 282
Minor service (Service A) 282
Overdue 282
Types 282
When due 282
Service (maintenance) 282
Service and warranty information 10
Service indicator 282
Calling up 283
Clearing 282, 283
Service life (tires) 271
Service System see FSS 282

410 IndexTar stains 285
Tele Aid 230
Emergency calls 232
Information 235
Initiating an emergency call
manually 233
Messages in display 318
Remote door unlock 237
Roadside Assistance 234
Stolen vehicle tracking services 238
System self-check 231
Upgrade signals 236
Tele Aid System 387
Telematics* 387
Telephone* 24, 229
Answering a call 140
Dialing a number from the phone
book 140
Ending a call 140
Hands-free microphone 27
Loading phone book* 140
Messages in display 319
Operating 139
Redialing 141Temperature
Display mode 148
Setting interior temperature 176
Setting units in display 148
Tires 272
Tie-down hooks (Trunk) 220
Tightening torque 387
Tightening torque (Wheel bolts) 347
Tire inflation pressure
Checking 259, 271
Tire inflation pressure see the placard on
the fuel filler flap
Tire speed rating 251, 387
Tire traction 251
Tires 270, 380
Direction of rotation 271
Driving instructions 250
Messages in display 321, 324
Retreads 270
Service life 271
Temperature 272
Tire pressure monitor indicator
lamp* 296
Tread depth 280Wear pattern 279
Winter 280
Tools 329
Tow-away alarm 25, 84
Arming 84
Disarming 84
Disarming for transport 84
Towing eye bolt (vehicle tool kit) 329
Installing 355
Towing the vehicle 353
Tracking services
For stolen vehicle 238
Traction 163, 387
Transmission see Automatic
transmission 266
Tread depth (tires) 280
Trip computer 143
Trip odometer
Resetting 127
Trunk
Closing 98
Lock button 95
Lock button, KEYLESS-GO* 95
Locking separately 104

412 IndexVehicle battery 348
Vehicle care 284
Cup holder 289
Distronic* system sensor cover 287
Engine cleaning 286
Gear selector lever 289
Hard plastic trim items 289
Headlamps 286
Instrument cluster 289
Leather upholstery 290
Light alloy wheels 289
Nubuck leather upholstery 290
Ornamental moldings 286
Paintwork 285
Parktronic* system sensor 287
Plastic and rubber parts 290
Power washer 285
Seat belts 289
Side markers 286
Steering wheel 289
Tail lamps 286
Tar stains 285
Turn signals 286Upholstery 290
Vehicle washing 286
Window cleaning 288
Wiper blades 287
Wood trims 290
Vehicle level 211
Changing 212
Setting 212
Automatic 212
Manual 212
Vehicle lighting
Checking 259
Vehicle submenu
Limiting opening height of trunk
lid(Control system) 153
Vehicle tool kit 329
Alignment bolt 329
Fuse chart 329
Fuse extractor 329
Gloves 329
Screwdriver 329
Spare fuses 329Wheel bolt wrench with socket
wrench 329
Vehicle washing 286
VIN (Vehicle Identification Number) 387
Voice control system* 387
Hands-free microphone 27
W
Warning indicators
Parktronic* 216
Warning lamps see Lamps, indicator and
warning
Warning sounds
Distance warning function* 206
Distronic* 200
Drivers seat belts 66
Parking brake 48
Warranty coverage 361
Washing the vehicle 284
Wear pattern (tires) 279
Weights 371
Wheel bolt wrench with socket wrench
(vehicle tool kit) 329

413 Index
Wheel change
Tightening torque 347
Wheels
Rotating 279
Tires and wheels 270
Window curtain airbags 65
Windows see Side windows
Windshield
Refilling washer fluid 269
Replacing wiper blades 341
Washer fluid 269, 379
Windshield washer 258
Windshield washer fluid
Message in display 319
Refilling 269, 379
Wiping with 51
Windshield wipers 50, 170
Fast wiper speed 50
Intermittent wiping 50
Replacing wiper blades 341
Single wipe 51
Switching on 50
Wiping with windshield washer
fluid 51Winter driving 280
Block heater (Canada only) 281
Snow chains 281
Tires 280
Transmission program mode 163,
164
Winter driving instructions 252
Winter tires 280
Wiper blades
Cleaning 287
Installing 342
Removing 341
Replacing 341
Wiping
And washing simultaneously 51
Interval 50
With windshield washer fluid 51
Wood trims
Cleaning 290X
Xenon headlamps
Bi-Xenon 383