2003 MERCEDES-BENZ SL55AMG coolant temperature

345 Technical data
Fuels, coolants, lubricants, etc.
Damage or malfunctions resulting from
poor fuel quality or from blending specific
fuel additives are not covered by the
Mercedes-Benz Limited Warranty.Coolants
The engine coolant is a mixture of water
and anticorrosion / antifreeze, which pro-
vides:

corrosion protection


freeze protection


boiling protection (by increasing the
boiling point)
The cooling system was filled at the factory
with a coolant providing freeze protection
to approximately -22°F (-30°C) and corro-
sion protection.
If the antifreeze mixture is effective to
-22°F (-30°C), the boiling point of the cool-
ant in the pressurized cooling system is
reached at approximately 266°F (130°C).The coolant solution must be used year
round to provide the necessary corrosion
protection and increase in the boil-over
protection. You should have it replaced ev-
ery 15 years or 150 000 miles (250 000
km), whichever comes first.
Coolant system design and coolant used
stipulate the replacement interval. The
above replacement interval is only applica-
ble if MB 325.0 anticorrosion/antifreeze
solution or other Mercedes-Benz approved
products of equal specification (see Facto-
ry Approved Service Products pamphlet)
are used to renew the coolant concentra-
tion or bring it back up to the proper level.
To provide important corrosion protection,
the solution must be at least 45% anticor-
rosion/antifreeze (equivalent to freeze
protection to approx. - 22°F [-30°C]). If
you use a solution that is more than 55%
anticorrosion/antifreeze (freeze protec-
tion to approx. - 49°F [-45°C]), the engine
temperature will increase due to the lower heat transfer capability of the solution.
Therefore, do not use more than this
amount of anticorrosion/antifreeze.
If the coolant level is low, water and
MB 325.0 Anticorrosion /Antifreeze
should be used to bring it up to the proper
level (have cooling system checked for
signs of leakage). Please make sure that
the mixture is in accordance with label in-
structions.
The water in the cooling system must meet
minimum requirements, which are usually
satisfied by normal drinking water. If you
are not sure about the water quality, con-
sult your authorized Mercedes-Benz
Center.

347 Technical data
Fuels, coolants, lubricants, etc.
Windshield and headlamp washer system
Both the windshield and headlamp washer
systems are supplied from the windshield
washer fluid reservoir.
The windshield and headlamp washer fluid
reservoir has a capacity of approx.
7.4 US qt. (7 l).
Refill the reservoir with MB Windshield
Washer Concentrate and water (or con-
centrate and commercially available
premixed windshield washer
solvent / antifreeze, depending on am-
bient temperatures).Windshield and headlamp washer fluid
mixing ratio
For temperatures above freezing use
MB Windshield Washer Concentrate “S”
and water:


1 part “S” to 100 parts water
(40 ml “S” to 4 l water)
For temperatures below freezing use
MB Windshield Washer Concentrate “S”
and commercially available premixed
windshield washer solvent / antifreeze:


1 part “S” to 100 parts solvent
(40 ml “S” to 4 l solvent).
Warning!
G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts because it may ignite.
You could be seriously burned.

359 Index
Brakes 216
Warning lamp 253
Break-in period 214
Bulbs, replacing
Backup lamps 299
Brake lamps 296
Front lamps 295, 298
License plate lamps 300
Parking lamps 299
Rear fog lamp 299
Standing lamps 299
Tail lamp assemblies 299
Turn signal lamps, front 298
Turn signal lamps, rear 299
C
CAC (Customer Assistance Center) 351
CAN System 351
Capacities
Fuels, coolants, lubricants etc. 342
Catalytic converter 223
CD player
Operating 116
Center air vents 23
Center console
Lower part 24
Upper part 23Centigrade
Setting temperature units 122
Central locking
Automatic 91
Central locking switch 92
Switching on/off (control
system) 128
Unlocking from inside 92
Central locking switch 23
Central unlocking switch 23
Changing
Batteries (key) 293
Batteries (KEYLESS-GO* card) 294
Key setting 81
KEYLESS-GO* card setting 86
Vehicle level 185
Charging
Vehicle batteries 321
CHECK ENGINE malfunction indicator
lamp 21, 256
Checking
Batteries (KEYLESS-GO* card) 87
Coolant level 230
Oil level 226, 228
Tire inflate pressure 226
Vehicle lighting 226Vehicle lock status (KEYLESS-GO*
card) 87
Child safety
Airbags 54
Automatic child seat recognition 64
Infant and child restraint systems 52
Cigarette lighter 23, 197
Cleaning
Headlamps 146
Windshield 44
Clock 19
Closing
Glove box 190
Hood 228
Retractable hardtop (electronic
key) 164
Retractable hardtop (switch) 161
Side windows 158
Side windows (KEYLESS-GO*) 88
Sunshade* 167
Trunk lid 83, 91
Cockpit 352
Collapsible tire 352
COMAND 23
COMAND* 352
COMAND*, radio and telephone 222

360 IndexCombination switch 19, 43, 104
Consumer information 348
Control system 110, 113, 352
AUDIO menu 115
Convenience submenu 129
Distronic* menu 117
Functions 111
Instrument cluster submenu 122
Lighting submenu 124
Malfunction memory menu 118
Menus 111
Multifunction display 110
Multifunction steering wheel 111
NAVI menu 117
Standard display menu 110, 115
Submenus 114
TEL* menu 133
Trip computer menu 131
Vehicle submenu 127
Coolant 345
Adding 231
Anticorrosion/antifreeze
quantity 346
Checking level 230
Messages in display 272, 273, 274
Temperature 224Temperature gauge 108
Temperature warning lamp 21
Warning lamp 254
Cooling see Air conditioner
Courtesy lighting 107
Cruise control 168, 262, 352
Canceling 169
Driving downhill 169
Driving uphill 169
Fine adjustment 170
Setting 170
Setting a higher speed 170
Setting a lower speed 170
Setting speed 169, 170
Cruise control lever 19, 168
For cruise control 168
For Distronic* 175
Cup holder 23, 190
Opening 190
Customer Assistance Center 351
D
Daytime running lamp mode 103
Setting 124
Deactivating
Air conditioning (cooling) 155
Air recirculation mode 152Alarm 76
Anti-theft alarm system 76
Automatic climate control 154
Central locking (control system) 128
Cruise control 169
Distance warning function* 180
Distronic* 178
Engine with KEYLESS-GO* 49
Engine with the key 48
ESP 71
Exterior lamps 102
Hazard warning flasher 105
Headlamps 48, 102
Immobilizer 75
Interior light delayed switch-off 127
Parktronic* 189
Rear window defroster 153
Residual heat 154
Seat heater 97, 98
Seat ventilation* 96
Steering wheel gearshift control
(SL 55 AMG Kompressor) 143
Tow-away alarm 77
Deep water see Standing water
Defrosting 151