air conditioning MERCEDES-BENZ SL500 2005 R230 Owner's Manual

Contents
Vehicle status message memory
menu ............................................ 143
Settings menu .............................. 144
Trip computer menu..................... 159
TEL menu* ................................... 161
Automatic transmission ..................... 164
One-touch gearshifting................. 166
Gear ranges ................................. 167
Gear selector lever position ......... 168
Automatic shift program .............. 170
Driving tips ................................... 171
Steering wheel gearshift control
(Speedshift).................................. 172
Manual shift program
SL 55 AMG and SL 65 AMG ......... 175
Emergency operation
(Limp Home Mode) ...................... 177
Good visibility .................................... 178
Headlamp cleaning system .......... 178
Rear window defroster ................. 178
Rear view mirrors ......................... 178
Sun visors .................................... 180Automatic climate control .................. 182
Setting the temperature................ 185
Adjusting air volume ..................... 185
Adjusting air distribution............... 186
Maximum cooling MAXCOOL ........ 186
Defrosting windshield ................... 187
Air recirculation mode .................. 187
Rear window defroster .................. 189
Residual heat and ventilation ........ 190
Deactivating the automatic
climate control system ................. 191
Air conditioning............................. 191
Ventilated storage compartments. 192
Power windows .................................. 193
Opening and closing the windows. 193
Synchronizing power windows ...... 195
Retractable hardtop............................ 196
Opening and closing the
retractable hardtop ....................... 196Driving systems .................................. 205
Cruise control ............................... 205
Distronic* ..................................... 208
Active Body Control (ABC) ............ 220
Parktronic* (Parking assist) .......... 223
Useful features ................................... 228
Storage compartments ................. 228
Ashtray ......................................... 233
Cigarette lighter ............................ 233
Heated steering wheel*
(SL 500, SL 600)........................... 234
Load assist in the trunk ................ 235
Electrical outlet............................. 236
Telephone* ................................... 236
Tele Aid ......................................... 237
Garage door opener ...................... 246

191 Controls in detail
Automatic climate control
Deactivating the automatic climate control system
Deactivating
It is possible to completely deactivate the
automatic climate control system. 
Press button M (
page 183).
The indicator lamp on button M
comes on.Reactivating
There are several ways to reactivate the
automatic climate control system:

Press any button on the automatic cli-
mate control panel (
page 183).
The indicator lamp on button M
switches off.
or

Turn one of the control knobs on the
automatic climate control.
The indicator lamp on button M
switches off.
Air conditioning
The air conditioning is operational while
the engine is running and cools the interior
air to the temperature set by the operator.
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
Press ± button (
page 183).
The indicator lamp on the ±
button comes on.
iThis setting is only recommended when
the retractable hardtop is open.
iCondensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.

192 Controls in detailAutomatic climate controlActivating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press ± again (
page 183).
The indicator lamp on the ± button
goes out.
The air conditioning uses the refrigerant
R134A. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Ventilated storage compartments
The glove box and the armrest storage
compartment have their own air vents that
allow for cooling ventilation when the auto-
matic climate control system is activated.Glove box1Thumbwheel
2Air ventOpening the air vent

Turn thumbwheel1 upwards.
Closing the air vent

Turn thumbwheel1 downwards.
Storage compartment under the armrest1Thumbwheel
2Air vent
Opening the air vent
Turn thumbwheel1 to the right.
Closing the air vent

Turn thumbwheel1 to the left.
!If the ± button on the automatic cli-
mate 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.
iYou should keep these air vents closed
when outside temperatures are low.

305 Operation
Tires and wheels
Tire 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.

419 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
SL 500
1Automatic belt tensioner
2ABC tandem pump (pump for
power-steering assistance and ABC
chassis)
3Air conditioning compressor
4Crankshaft
5Coolant pump
6Generator (alternator)
7Idler pulley
SL 55 AMGThe SL 55 AMG has two poly-V-belts (belt
one shown in purple/belt two shown in
black).1Idler pulley
2Automatic belt tensioner
3ABC tandem pump (pump for
power-steering assistance and ABC
chassis)
4Air conditioning compressor
5Crankshaft
6Coolant pump
7Generator (alternator)
8Idler pulley
9Automatic belt tensioner
aSupercharger
SL 600, SL 65 AMG
1Automatic belt tensioner
2ABC tandem pump (pump for
power-steering assistance and ABC
chassis)
3Air conditioning compressor
4Crankshaft
5Coolant pump
6Generator (alternator)
7Idler pulley
8Idler pulley
9Idler pulley

432 Technical dataFuels, coolants, lubricants, etc.
Model
Capacity
Fuels, coolants, lubricants, etc.
Cooling system
SL 500
SL 600
SL 55 AMG
SL 65 AMG
approx. 12.3 US qt (11.6 l)
approx. 13.6 US qt (12.9 l)
approx. 14.5 US qt (13.7 l)
approx. 16.4 US qt (15,5 l)
MB 325.0 Anticorrosion / Antifreeze
Low temperature cooling system
SL 600
SL 65 AMG
approx. 2.2 US qt (2.1 l)
approx. 3.1 US qt (2.9 l)
MB 325.0 Anticorrosion / Antifreeze
Fuel tank
including a reserve of
All models
SL 500
SL 600
SL 55 AMG
SL 65 AMG
21.1 US gal (80.0 l)
2.6 US gal (10.0 l)
2.6 US gal (10.0 l)
3.7 US gal (14.0 l)
3.7 US gal (14.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON /86 MON)
Air conditioning system
R-134a refrigerant and special PAG lu-
bricant oil (never R-12)
Hydraulic system for retractable hardtop
0.42 US qt (0.4 l)
MB Hydraulic Fluid
Windshield washer and headlamp cleaning system
7.4 US qt (7 l)
MB Windshield Washer Concentrate
1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and commercially available pre-
mixed windshield washer solvent / antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 437).

445 Index
A
ABC 220, 439
Messages in display 337
Oil level 275
Setting vehicle level 221
ABC switch 30
ABS 79, 80, 439
ABS control 80
Messages in display 338
Warning lamp 27, 325
ABS/ESP
Warning lamp 25, 324
Accelerator position, automatic
transmission 171
Accessory weight 305
Activating
Air circulation mode 187
Air conditioning (cooling) 192
Anti-theft alarm system 89
Central locking (control system) 156
Distance warning function* 217Distronic* 213
Easy-entry/exit feature 157
Electric air pump 398
ESP 84
Exterior lamps 123
Exterior rear view mirror parking
position 179
Hazard warning flasher 129
High beams 128
Ignition 36
Immobilizer 58
Parktronic* 226
Rear window defroster 189
Residual heat 190
Seat heating 117, 118
Seat ventilation* 119
Tow-away alarm 90
Windshield wipers 53
Active Body Control (ABC) switch 30
Active Body Control see ABC
Adding
Engine oil 274Adjusting
Air distribution 186
Air volume 185
Backrest tilt 40, 41
Exterior rear view mirrors 43
Head restraint height 41
Head restraint tilt 41
Interior rear view mirror 43
Lumbar support 115
Mirrors 43
Multicontour backrest* 116
Seat cushion depth 41
Seat cushion tilt 41
Seat height 41
Seat in the lumbar region 116
Seat in the shoulder region 116
Seats 39
Steering column in/out 42
Steering column up/down 42
Steering wheel 42

446 IndexAir conditioner refrigerant 433
Air conditioning (cooling)
Turning off 191
Turning on 191
Air pressure 305
Air pressure see Tire inflation pressure
Air pump, electric 373
Turning on 398
Air recirculation mode 187
Air volume adjustment 185
AIRBAG OFF
Warning lamp 334
Airbags 63
Children 64
Front 68
Head-thorax 68, 69
Kneebag 68
Passenger 68Alarm
Audible 78, 88
Canceling 90
Visual 88
Alignment bolt 439
Alignment bolt (vehicle tool kit) 396
Anticorrosion/antifreeze 432, 437
Anti-theft alarm system 88
Arming 89
Canceling the alarm 90
Disarming 89
Anti-theft systems
Anti-theft alarm system 88
Tow-away alarm 90
Aquaplaning see Hydroplaning
Armrest
Storage compartment 229
Ashtray 29, 233
Aspect ratio 305
At the gas station 267
ATF (automatic transmission fluid) 275Automatic climate control 29, 182
Center air vents 29
Deactivating 191
Residual heat utilization 190
Side air vents 29
Temperature sensor 31
Automatic shift program 170
Automatic transmission 164
Accelerator position 171
Comfort program mode 170
Emergency operation (Limp Home
Mode) 177
Gear ranges 167
Gear selector lever 30, 164
Gear selector lever position 164, 168
Gear shifting malfunctions 177
Kickdown 171
Manual shifting 166
One-touch gearshifting 166
Program mode selector switch 30,
170
Transmission fluid 275

449 Index
Cockpit 440
Cold tire inflation pressure 305
Collapsible tire 440
COMAND 29, 440
COMAND, radio and telephone 264
Combination switch 23, 52, 128
Comfort driving
Transmission program mode 170
Control system 134, 137, 440
AUDIO menu 139
Convenience submenu 157
Distronic* menu 142
Functions 136
Instrument cluster submenu 148,
149
Lighting submenu 152
Menus 136
Multifunction display 134
Multifunction steering wheel 135
NAVI menu 142
Standard display menu 134, 139Submenus 138
TEL* menu 161
Time submenu 149
Trip computer menu 159
Vehicle status message memory
menu 143
Vehicle submenu 156
Convenience feature 201
Coolant 435
Adding 276
Anticorrosion/antifreeze
quantity 437
Checking level 276
Messages in display 351, 352, 353
Temperature 266
Temperature gauge 131
Temperature warning lamp 25
Warning lamp 328
Coolant temperature gauge 25
Cooling see Air conditioner
Courtesy lighting 130Cruise control 205, 440
“Resume” function 208
Canceling 206
Driving downhill 206
Driving uphill 206
Fine adjustment 208
Setting a higher speed 207
Setting current speed 206
Setting to last stored speed 208
Cruise control lever 23, 205
For cruise control 205
For Distronic* 213
Cup holder 29, 228
Cleaning 320
Curb weight 305
Customer Assistance Center 439
D
Daytime running lamp mode 125
Setting 152
Deactivating
Air conditioning (cooling) 191