buttons MERCEDES-BENZ R500 2006 W251 Owner's Guide

530 Technical termsCollapsible 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.
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
automatically maintaining the vehicle
speed set by the driver.
Curb weight
(
page 386)
DOT
(Department o
f Transportation)
(
page 386)Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine
produced.
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.
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.
->SRSFSS PLUS (Canada vehicles)
(F
lexible S
ervice S
ystem PLUS)
Maintenance service indicator in the
speedometer 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
service, and calls for the next mainte-
nance service accordingly.
GAWR
(G
ross A
xle W
eight R
ating)
(
page 386)
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 gear selector
lever.

532 Technical termsMemory function*
Used to store three individual seat,
steering wheel and mirror positions.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(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.
Multifunction display
The display field in the instrument clus-
ter used to present information provid-
ed by the control system.
Multifunction steering wheel
Steering wheel with buttons for operat-
ing the control system.Normal occupant weight
(
page 387)
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.
Occupant distribution
(page 387)
Parktronic (Parking assist)*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing


engine


clutch / torque converter


transmission


transfer case


drive shaft


differential


axle shafts / axles
PRE-SAFE
®*
(Pre
ventive Occupant Safe
ty System)
Vehicles equipped with PRE-SAFE
®*
take preventive measures when the
system senses certain driving dynam-
ics suggesting a possible accident.
Production options weight
(
page 387)

545 Index
L
Labels, identification 510
Lamp bulbs, exterior 465
Lamps, exterior
Front 466
Light sensor 444
Messages in display 442, 444
Rear 466
Lamps, indicator and warning
ABS 404
Air bag Off 76
Battery (SmartKey with
KEYLESS-GO*) 118
Battery (SmartKey) 112
Brakes 405
CHECK ENGINE 407, 408
CHECK Engine malfunction indicator
lamp 408
Engine diagnostics 407, 408
ESP
®
409
Front fog lamps 147
Fuel reserve 409
Rear fog lamp 147
Seat belts 410
SRS 411Language
Multifunction display 178
Setting 178
LATCH child seat anchors 92
LATCH child seat mounts 92
Layout of poly-V-belt drive 512
Lever
For cruise control 264
License plate lamps
Messages in display 444
Replacing bulbs 466, 474
Light alloy wheels
Cleaning 401
Light sensor 444
Lighter see cigarette lighter*
Lighting 147
Automatic headlamp mode 148
Cargo compartment lamp 157
Daytime running lamp mode 149
Door entry lamps 157
Front fog lamps* 151
High beams 151
Instrument cluster illumination 158
Interior 154
Locator lighting 150
Low beam 147Night security illumination 150
Parking lamps 147
Rear fog lamp 151
Settings (control system) 182
Standing lamps 147
Limiting the gear range 202
Limp Home Mode 207
Line of fall 531
Loading 279
Cargo compartment cover
blind* 288
Cargo tie-down rings 281
Hooks 282
Instructions 280
Parcel nets 298
Partition net* 290
Roof rack 279
Loading terminology 385
Loading the vehicle 356
Locator lighting 150
Setting 183
Lock button 531
Lock buttons
Door handle (KEYLESS-GO*) 68