Button(s )
AC
----·
Meaning
Turn cooling system on/off
<=> page 83
Seat heating
<=>page 91
aJ The reg ulato r is a lso used to set the fan speed, ai r di s
tributio n an d seat h eat ing.
(D Tips
The grille on the controls <=> fig. 94 must
remain unobstructed and must not be tap
ed over. Measuring sensors are located be
hind it.
Turning the climate control system on and off
Applies to vehicles: with deluxe automatic climate co ntrol
.. Briefly press the IOFFI button, or press the
IAUTOI button to turn the climate control
system
on .
.. Press the ~ ,o~ F=F ~I button to turn the climate
control system off and to block the a ir sup
ply from the outside.
The climate control system switches back on
when a control button is operated.
Automatic mode~
Applies to vehicles: with deluxe automatic cl imate control
The standard operating mode for all times of
the year.
Tu rning on au tomatic mode
.. Set the temperature between 60° F (+16°()
and 84°F (+28°() .
.. Press the
!AUTO l button.
Automatic mode ensures constant tempe ra
tures in the interior and dehumidifies the air
ins ide the veh icle. Air temperat ure, volume
and d istribution are controlled automatically
to reach or maintain the desired inter ior tem
perature as quickly as possible . Fluctuations
i n exte rior temperature and the effects of
temperature from the pos ition of the sun are
compensated fo r automat ically.
W arm and cold 81
This operating mode wo rks on ly in an adjusta
ble temperature range of 60°F (+16°() to
84°F (+28°(). If a temperature be low 60°F
( + 16°() is selected,
LO appears in the disp lay.
At temperatures above 84°F (+28°(),
HI is
displayed . At both extreme settings, climate
control runs co ntinuously at maximum cool
ing o r heating powe r. The re is no temperature
r egulation.
Setting the temperature
Applies to vehicles: with deluxe automatic climate control
Fig. 95 Tempe rat ure sett ing regula tor
.. Rotate the regulator to the left to reduce
the temperature, or to the right to i ncrease
the temperature<=>
fig. 95 .
The selected temperature appears on the cl i
mate control display. The temperature setting
will also appear for a few seconds in the radio
or MM I* display .
Fan[!]
Applies to vehicles: with deluxe a utomatic clima te control
The automatically preset fan speed can be re
duced or increased .
Fig . 9 6 Fan button a nd regu lato r
.. Press the~ button.
Energy management
Starting ability is optimized
Energy management controls the distribution
of electrical energy and thus optimizes the
availability of electrical energy for starting the engine .
If a vehicle with a conventional energy system
is not driven for a long period of time , the bat
tery is discharged by idling current consumers
(e.g. immobilizer). In ce rtain c ircumstances it
can result in there being insuff icient ene rgy
avai lab le to start the engine .
Intell igent energy management in your vehi
cle hand les the d istribution of electrical ener
gy. Starting ab il ity is markedly improved and
the life of the battery is extended.
Basically, energy management consists of
batt ery di ag nosis, idlin g current man ag e
m ent
and dyn ami c en ergy manage ment .
Batter y diagnosis
Battery diagnosis continuously determines
the state of the battery . Sensors determ ine
battery vo ltage, battery current and battery
temperature. This determ ines the current
state of charge and the powe r of the battery.
Idling curr ent man agement
Idling current management reduces ene rgy
consumption while the vehicle is stand ing .
W ith the ignition switched off, it cont ro ls the
energy supply to the va rious electr ical compo
nents . Data from battery diagnosis is consid
ered.
Depending on the battery's state of charge,
i nd ividua l consumers are gradual ly t urned off
to prevent excess ive d ischarge of the bat tery
and thus maintain starting capability .
Dynam ic en ergy management
While the vehicle is being driven, dynamic en
e rgy management dist ributes the energy gen
e rated according to the needs of the individu
a l components.
It reg ulates cons umption, so
that more electrical energy is not being used
Int ellig ent technolog y 211
than is being generated and ensures an opti
mal state of charge for the battery.
(0 Tips
- But even energy management canno t
negate the limits of physics . Consider
that the power and life of a battery are
limited .
- If starting ability is threatened, you are
informed by a warning
r:!) page 212,
Driver notification in the instrument
cluster display.
What you should know
The highest priority is given to maintaining
starting capability.
The battery is severe ly taxed in short -distance
driving, in city traffic and during the cold time
of year. Abundant electrical energy is re quired, but only a little is generated .
It is also
critical if the engine is not running and electri
cal components are turned on . In this in
stance energy is be ing consumed but none is
being generated.
It is in precisely these situations that you will
notice energy management actively regulat
ing the d istribution of energy .
Vehicle stands for an e xtended peri od
If you do not drive your vehicle over a period
of several days or weeks, e lectr ical compo
nents are gradually cut back or switched off.
This reduces energy consumption and ma in
ta ins start ing capability over a longer period .
Some of the convenience functions may not
operate, such as the interior lights or the power seat adjustment . The convenience
funct ions w ill be available again when you
tu rn o n the ign ition and start the engine.
With the eng ine tu rned off
If you listen to the radio, for examp le, w ith
the engine turned off or use other MMI func -
tions, the battery is be ing discharged.
IJJ,-
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