Page 432 of 464

432 Technical termsCAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Cold tire inflation pressure
(
page 323)
Collapsible tire
An especially compact spare tire that
must be inflated with a provided air
pump before using. It should only be
used to bring the vehicle to the nearest
service station.COMAND
(Co
ckpit Man
agement and
D
ata System)
Information and operating center for
vehicle sound and communications
systems, including the radio,
CD changer and navigation system, as
well as other optional equipment (e.g.
telephone).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.Curb weight
(
page 323)
DOT
(Department o
f Transportation)
(
page 323)
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
(Electronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
Page 433 of 464

433 Technical terms
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 323)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 selector lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers.
GVW
(G
ross V
ehicle W
eight)
(
page 323)
GVWR
(Gross V
ehicle W
eight R
ating)
(
page 324)Head-thorax air bag
Installed in the doors, these air bags
protect occupants during side impact
collisions exceeding a preset thresh-
old. Unlike normal side air bags,
head-thorax air bags are also designed
to provide protection for the head area.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
coolant temperature and fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the automatic
transmission down to the lowest possi-
ble gear. This very quickly accelerates
the vehicle and should not be used for
normal acceleration needs.
Kilopascal (kPa)
(
page 324)
Page 451 of 464

451 Index
O
Occupant distribution 324
Occupant safety 62
Air bags 63
Children and air bags 64
Children in the vehicle 73
Fastening the seat belts 44
Infant and child restraint
systems 69, 73
Seat belts 44, 66, 69
Oil see Engine oil
One-touch gearshifting 154
Canceling gear range limit 154
Downshifting 154
Upshifting 154
Operating safety 16
Audio system 191
Operating vehicle outside the USA and
Canada 13
Operation
Refueling 284
Regular checks 285
Operator’s Manual 10
Ornamental moldings see Vehicle careOutside temperature indicator
Display (Control system) 116, 123
Display mode (Control system) 131
Outside temperature/speed
Mode (Control system) 132
Overhead control panel, overview 30
Overspeed range
Description 434
Tachometer 115P
Paintwork see Vehicle care
Panic alarm 78
Panic button on SmartKey 78
Parcel net (Storage compartment) 251
Parking 276
And locking 56
Parking aid see Parking position
Parking brake 49, 56
Parking lamps 106, 381
Parking position
Activation (Control system) 144
Exterior rear view mirrors 169
Parking position (Memory function) 105
Parts service 408
Passenger air bag see Air bags
Passenger compartment 281
Passenger front air bag off indicator
lamp 347
Passenger safety see Occupant safety
Pedals 273
Phone book see Telephone
Poly-V-belt drive
Description 434
Layout 411
Page 455 of 464

455 Index
Steering column see Steering wheel
Steering wheel
Electrical adjustment 41
Heating 270
Manual adjustment 41
Steering wheel gearshift control 160
SLK 350 161
SLK 55 AMG 162
Stolen vehicle, Recovery services 264
Storage compartments 250
Storing tires 299
Summer opening
Power windows 235
Retractable hardtop 242
Sun vizors 170
Supplemental Restraint System see SRS
Symbols in display 355T
Tachometer 115
Tail lamps 381
Tar stains see Vehicle care
TDMA or CDMA network phones
(Telephone) 223
Technical data
Air conditioning refrigerant 424
Brake fluid 424
Coolants 426
Electrical system 419
Engine 412
Engine oil 424
Fuel additives 425
Fuel requirements 425
Fuels, coolants, lubricants, etc. 422
Headlamp cleaning system 429
Main dimensions 420
Parts service 408
Premium unleaded gasoline 425
Rims and tires 413
Weights 421
Windshield washer system 429
Tele Aid system 257
Description 436
Emergency calls 258GPS 257
Information button 261
Initiating an emergency call 259
Remote door unlock 263
Requirements 257
Roadside Assistance 260
Roadside Information, terminating
a call 262
Stolen Vehicle Recovery
services 264
System self-check 258
Upgrade scenario 262
Telephone 256
Compartment 250
GSM network phones 216
Operation (Audio system) 191
Operation (Control system) 146
Temperature
Tires 307
Tightening torque
Description 436
Wheel bolts 395
Time and date synchronization with
head unit (Control system) 133
TIN 325