manual radio set MERCEDES-BENZ CL500 2004 C215 Owner's Manual

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.).

403 Index
O
Occupant safety 60
Airbags 61
Children and airbags 62
Children in the vehicle 69
Fastening the seat belt 42
Infant and child restraint systems 69
LATCH child seat mounts 74
Seat belts 42, 64
Odometer, main 23
Odometer, trip 23
Oil
Adding 265
Consumption 261
Dipstick 261
Filler neck 265
Viscosity 384
Oil level
Checking 259
Oil level via control system
Checking 262
One-touch gearshifting 158
Canceling gear range limit 158
Downshifting 158
Upshifting 158Opening
Ashtray 227
Cup holder 226
Doors from the inside 96
Fuel filler flap 257
Fuel filler flap manually 334
Glove box 221
Hood 260
Power window with SmartKey 188
Side windows 187
Sliding/pop-up roof 191, 335
In an emergency 335
With SmartKey 193
Storage compartment in the center
console 223
Storage compartments in the
armrest 223
Trunk 96
Trunk from the inside 97
Trunk lid with SmartKey 90
Windows 186, 187
Operating
Cassette player 136
CD player 136COMAND see separate operating in-
structions
Garage door opener 243
Integrated remote control 243
Navigation system 141
Radio 135
Radio transmitters 254
Telephone* 139
Vehicle outside the USA and
Canada 13
Operator’s Manual 10
Ornamental moldings 286
Outside temperature indicator 128
Overdue service 282
Overhead control panel 27
Overspeed range 386
P
Paintwork 285
Panic alarm 76
Panic button on SmartKey 76
Parcel net in front passenger
footwell 226
Parcel net in trunk 226
Parking 53, 249