28 At a glanceCenter consoleUpper part
Item
Page
1
Cup holder
268
2
Audio system, or
COMAND* (see separate
operating instructions)
129
3
AIRSCARF neck-level
heating* switch,
passenger-side
105
4
Seat heater* switch,
passenger-side
104
5
Central unlocking switch
101
6
Hazard warning flasher
switch
117
7
Central locking switch
101
8
ESP
® switch
84
9
Seat heater* switch,
driver’s side
104
Item
Page
a
AIRSCARF neck-level
heating* switch,
driver’s side
105
b
Passenger front air bag off
indicator lamp
77,
367
c
Climate control
Automatic climate control*
Rear window defroster
switch
178
190
177
d
Cigarette lighter
270
e
Ashtray
269
106 Controls in detailSeatsRed indicator lamps2 on the AIRSCARF
switches show which heating level you
have selected:
Switch on the ignition (
page 36).Switching on
Press the respective AIRSCARF switch
for the desired side.
All three indicator lamps on the respec-
tive AIRSCARF switch come on. After
a preheating time of approximately
7 seconds, the blower starts.
Press the respective AIRSCARF switch
repeatedly until the desired AIRSCARF
heating level for the corresponding
seat is reached.Switching off
Press the respective AIRSCARF switch
repeatedly until all indicator lamps on
the AIRSCARF switch go out.
Level3
Three indicator lamps on
(highest heating level).
2
Two indicator lamps on.
1
One indicator lamp on
(lowest heating level).
off
No indicator lamp on.
iAfter switching off the AIRSCARF
neck-level heating, the AIRSCARF fan
continues to operate for approximately
10 seconds to cool down the heater
elements.iIf one or more of indicator lamps2 on
the AIRSCARF switch are flashing,
there is insufficient voltage available
since too many electrical consumers
are turned on. The AIRSCARF neck-lev-
el heating switches off automatically.
The AIRSCARF neck-level heating will
switch back on again automatically as
soon as sufficient voltage is available.
344 OperationTires and wheelsTire and loading terminology
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio, and heater, to the extent that
these items are available as
factory-installed equipment (whether
installed or not).
Air pressure
The amount of air inside the tire pressing
outward on each square inch of the tire.
Air pressure is expressed in pounds per
square inch (psi), or kilopascal (kPa), or
bars.
Aspect ratio
Dimensional relationship between tire
section height and section width
expressed in percentage.Bar
Another metric unit for air pressure. There
are 14.5038 pounds per square inch (psi)
to 1 bar; there are 100 kilopascals (kPa)
to 1 bar.
Bead
The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the
rim.
Cold tire inflation pressure
Tire inflation pressure when your vehicle
has been sitting for at least three hours or
driven no more than one mile (1.6 km).
Curb weight
The weight of a motor vehicle with stan-
dard equipment including the maximum
capacity of fuel, oil, and coolant, and, if so
equipped, air conditioning and additional
optional equipment, but without passen-
gers and cargo.DOT (D
epartment o
f T
ransportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight on
each axle must never exceed the GAWR for
the front and rear axle indicated on the
certification label located on the driver’s
door B-pillar.
GVW (G
ross V
ehicle W
eight)
The GVW comprises the weight of the
vehicle including fuel, tools, spare wheel,
installed accessories, passengers and
cargo and, if applicable, trailer tongue
load. The GWV must never exceed the
GWVR indicated on the certification label
located on the driver’s door B-pillar.