2007 MERCEDES-BENZ SL550 air conditioning

Contents
Vehicle status message memory
menu ............................................ 152
Settings menu .............................. 153
Trip computer menu..................... 163
TEL menu* ................................... 165
Automatic transmission ..................... 168
Gear selector lever position ......... 170
Driving tips ................................... 171
Gear ranges ................................. 172
Automatic shift program .............. 173
Gear selector lever one-touch
gearshifting .................................. 174
Steering wheel gearshift control
one-touch gearshifting* ............... 175
Manual shift program
(SL55AMGandSL65AMG only) 177
Emergency operation
(Limp-Home Mode) ...................... 179
Good visibility .................................... 180
Headlamp cleaning system .......... 180
Rear view mirrors ......................... 180
Sun visors .................................... 182
Rear window defroster ................. 183Automatic climate control .................. 184
Deactivating the automatic
climate control system ................. 187
Operating the automatic climate
control system in automatic mode 187
Setting the temperature................ 188
Adjusting air distribution............... 189
Adjusting air volume ..................... 190
Maximum cooling MAXCOOL ........ 190
Front defroster.............................. 190
Air recirculation mode .................. 191
Air conditioning............................. 193
Residual heat and ventilation ........ 194
Ventilated glove box ..................... 195
Power windows .................................. 196
Opening and closing the
windows ........................................ 196
Synchronizing power windows ...... 198
Retractable hardtop............................ 199
Opening and closing the
retractable hardtop ....................... 199Driving systems .................................. 209
Cruise control ............................... 209
Distronic* ..................................... 213
Distance warning function* .......... 224
Active Body Control (ABC) ............ 225
Parktronic system*
(Parking assist) ............................. 228
Useful features ................................... 233
Storage compartments ................. 233
Cup holders .................................. 238
Ashtray ......................................... 239
Cigarette lighter............................ 239
Heated steering wheel* ................ 240
Load assist in the trunk ................ 241
Power outlet ................................. 242
Telephone* ................................... 243
Tele Aid......................................... 244
Garage door opener ...................... 251

ContentsFuels, coolants, lubricants, etc. ......... 444
Capacities .................................... 444
Engine oils .................................... 446
Engine oil additives ...................... 446
Air conditioning refrigerant .......... 446
Brake fluid .................................... 447
Premium unleaded gasoline ......... 447
Fuel requirements ........................ 448
Gasoline additives ........................ 448
Coolants ....................................... 449
Windshield and headlamp
washer system ............................. 452Index................................................. 453

186 Controls in detailAutomatic climate controlThe automatic climate control is operation-
al whenever the engine is running. You can
operate the automatic climate control sys-
tem in either the automatic or manual
mode. The system cools or heats the inte-
rior depending on the selected interior
temperature and the current outside tem-
perature.Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.
The air conditioning will not engage (no
cooling) if the A/Cmode is deactivated
(
page 193).
Warning!
G
When operating the automatic climate con-
trol, the air that enters the passenger com-
partment through the air vents can be very
hot or very cold (depending on the set tem-
perature). This may cause burns or frostbite
on unprotected skin in the immediate area
of the air vents. Always keep sufficient dis-
tance between unprotected parts of the
body and the air vents. If necessary, use the
air distribution control (
page 185) to di-
rect the air to air vents in the vehicle interior
that are not in the immediate area of unpro-
tected skin.
Warning!
G
Follow the recommended settings for heat-
ing and cooling given on the following pag-
es. Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
i
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before its
scheduled interval. A clogged filter will reduce
the air volume to the interior.
If the vehicle interior is hot, ventilate the interior
before driving off. The automatic climate control
will then adjust the interior temperature to the
set value much faster.
Keep the air intake grille in front of the wind-
shield free of snow and debris.
When the retractable hardtop is closed, do not
obstruct air flow by placing objects on the air
flow-through exhaust slots below the rear win-
dow.

191 Controls in detail
Automatic climate control
Activating
Press button P (
page 185).
The indicator lamp on the button
comes on.
The air conditioning switches to the fol-
lowing functions automatically:


cooling on to dehumidify


maximum blower speed and
heating power


air flows onto the windshield
and the front side windows


the air recirculation mode is
switched off
Deactivating

Press button P (
page 185).
The indicator lamp on the button goes
out. Defrosting is turned off.
The previous settings are in effect
again.Windshield fogged on the outside

Switch the windshield wipers on
(page 57).
If the automatic air distribution and air vol-
ume are switched off:

Turn air distribution controls1 and 5
(page 185) to position h ork.
or

Press control buttons 1, 5 and 9
(page 185).
The control buttons are engaged. The
U symbol on the control buttons
come on. Air distribution and air vol-
ume are adjusted automatically.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
i
The cooling remains switched on.
i
Keep this setting selected only until the
windshield is clear again.
Warning!
G
Fogged windows impair visibility, endanger-
ing you and others. If the windows begin to
fog on the inside, switching off the air
recirculation mode immediately should clear
interior window fogging. If interior window
fogging persists, make sure the air
conditioning (
page 193) is activated, or
press buttonP.

192 Controls in detailAutomatic climate controlActivating
Briefly press button,
(page 185).
The indicator lamp on the button
comes on.Deactivating

Briefly press button,
(page 185).
The indicator lamp on the button goes
out.
At outside temperatures above 79°F
(26 °C) the system will not automatically
switch back to outside air.Air recirculation mode with conve-
nience closing or opening feature
Activating

Press and hold button,.
The indicator lamp on the button
comes on. The air recirculation mode is
activated. The windows will close.
i
The air recirculation mode is activated auto-
matically


at high outside temperatures


if the concentration of carbon monoxide
(CO) and/or nitrogen oxide (NO
x) in the out-
side air increases, for example in a tunnel
The indicator lamp on button, is not lit when
the air recirculation mode is automatically
switched on.
A quantity of outside air is added after approxi-
mately 30 minutes.
i
The manually selected air recirculation
mode is deactivated automatically


after 5 minutes if the outside temperature is
below approximately 41°F (5 °C)


after 5 minutes if the air conditioning is
turned off


after 30 minutes if the outside temperature
is above approximately 41°F (5 °C)
Warning!
G
Never operate the windows if there is the
possibility of anyone being harmed by the
closing procedure.
In the event that the procedure causes po-
tential danger, the closing of the windows
can be immediately halted by releasing
the, button or by pressing and pulling
the respective window switch.

193 Controls in detail
Automatic climate control
Deactivating
Press and hold button,.
The indicator lamp on the button goes
out. The air recirculation mode is deac-
tivated. The windows will return to their
previous position.
Air conditioning
The air conditioning (cooling) function is
operational when the engine is running and
cools the vehicle interior down to the se-
lected temperature. In addition, the cool-
ing function dehumidifies the air in the
vehicle interior, thus preventing the win-
dows from fogging up.Deactivating
It is possible to deactivate the cooling
function of the automatic climate control
system. The air in the vehicle will then no
longer be cooled or dehumidified.

Press button 2 (
page 185).
The indicator lamp on the button goes
out. The cooling function switches off
after a short delay.
i
A window will only return to its previous po-
sition if it has not moved to another position us-
ing the respective window switch after it was
closed with button
,
.
i
Condensation may drip out from underneath
the vehicle. This is normal and not an indication
of a malfunction.Warning!
G
If you turn off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog
up more quickly. Window fogging may
impair visibility and endanger you and
others.

194 Controls in detailAutomatic climate controlActivating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button 2 once more
(page 185).
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134A. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.Activating
With the SmartKey:

Turn the SmartKey in the starter switch
to position1 or0, or remove it from
the starter switch.

Press button T (
page 185).
The indicator lamp on the button
comes on.
With KEYLESS-GO*:

Turn off the engine by pressing the
KEYLESS-GO* start/stop button and
open the driver’s door (with the driver’s
door open, the starter switch is in posi-
tion 0, same as with the SmartKey re-
moved from the starter switch)

Press button T (
page 185).
The indicator lamp on the button
comes on.
!
If the 2 button on the automatic climate
control panel starts to flash, this indicates that
the air conditioning is losing refrigerant. The
compressor has turned off. The air conditioning
cannot be turned on again.


Have the air conditioning checked at the
nearest authorized Mercedes-Benz Center.
i
How long the system will provide heating de-
pends on the coolant temperature and the se-
lected temperature. The blower will run at low
speed regardless of the air distribution control
setting.

312 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 3 hours or driv-
en no more than 1 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 GVW must never exceed the
GVWR indicated on the certification label
located on the driver’s door B-pillar.