2007 MERCEDES-BENZ SL55AMG engine

448 Technical dataFuels, coolants, lubricants, etc.Fuel requirements
Only use premium unleaded fuel:

The octane number (posted at the
pump) must be 91 min. It is an average
of both the Research (R) octane num-
ber and the Motor (M) octane number:
(R+M)/2). This is also known as the
ANTI-KNOCK INDEX.
Unleaded gasoline containing oxygenates
such as ethanol, IPA, IBA and TBA can be
used provided the ratio of any one of these
oxygenates to gasoline does not exceed
10%; MTBE must not exceed 15%.
The ratio of methanol to gasoline must not
exceed 3% plus additional cosolvents.Using mixtures of ethanol and methanol is
not allowed. Gasohol, which contains
10% ethanol and 90% unleaded gasoline,
can be used.
These blends must also meet all other fuel
requirements, such as resistance to spark
knock, boiling range, vapor pressure, etc.
Gasoline additives
A major concern among engine manufac-
turers is carbon build-up caused by gaso-
line. Mercedes-Benz recommends only the
use of quality gasoline containing additives
that prevent the build-up of carbon depos-
its.
After an extended period of using fuels
without such additives carbon deposits
can build up, especially on the intake
valves and in the combustion area, leading
to engine performance problems such as:

Warm-up hesitation


Unstable idle


Knocking/pinging


Misfire


Power loss

449 Technical data
Fuels, coolants, lubricants, etc.
In areas where carbon deposits may be en-
countered due to lack of availability of gas-
olines which contain these additives,
Mercedes-Benz recommends the use of
additives approved by us for use on
Mercedes-Benz vehicles. Refer to Factory
Approved Service Products pamphlet for a
listing of approved product(s). Follow di-
rections on product label.
Do not blend other fuel additives with fuel.
This only results in unnecessary cost and
may be harmful to the engine operation.
Damage or malfunction resulting from
poor fuel quality or from blending addition-
al fuel additives other than those tested
and approved by us for use on
Mercedes-Benz vehicles listed in the
Factory Approved Service Products pam-
phlet 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. Refer to Maintenance Booklet
for replacement interval.
Coolant system design and coolant used
stipulate the replacement interval. The re-
placement interval published in the
Maintenance Booklet is only applicable if
MB 325.0 anticorrosion/antifreeze solu-
tion or other Mercedes-Benz approved
products of equal specification (see
Factory Approved Service Products pam-
phlet) are used to renew the coolant con-
centration or bring it back up to the proper
level.
!
Add premixed coolant solution only. Adding
water and MB 325.0 Anticorrosion/Antifreeze
separately from each other, could cause engine
damage not covered by the Mercedes-Benz
Limited Warranty.

450 Technical dataFuels, coolants, lubricants, etc.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 the
mixture is in accordance with label instruc-
tions.
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 an authorized Mercedes-Benz Center.

451 Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze
Your vehicle contains a number of alumi-
num parts. The use of aluminum compo-
nents in motor vehicle engines
necessitates that anticorrosion/antifreeze
coolant used in such engines be specifical-
ly formulated to protect the aluminum parts. (Failure to use such anticorro-
sion/antifreeze coolant will result in a sig-
nificantly shortened service life.)
Therefore, the following product is strongly
recommended for use in your vehicle:
Mercedes-Benz 325.0 anticorrosion/anti-
freeze agent.Before the start of the winter season (or
once a year in hot southern regions), you
should have the anticorrosion/antifreeze
concentration checked. The coolant is also
regularly checked each time you bring your
vehicle to an authorized Mercedes-Benz
Center for service.
Anticorrosion/antifreeze quantityModel
Approx. freeze protection
– 35°F (– 37°C)
– 49°F (– 45°C)
SL 550
6.1 US qt (5.8 l)
6.8 US qt (6.4 l)
SL 600 (main cooling system)
6.9 US qt (6.5 l)
7.5 US qt (7.1 l)
SL 600 (low temperature cooling system)
1.2 US qt (1.1 l)
1.3 US qt (1.2 l)
SL 55 AMG
6.3 US qt (6.0 l)
7.0 US qt (6.6 l)
SL 65 AMG (main cooling system)
8.2 US qt (7.75 l)
9.0 US qt (8.5 l)
SL 65 AMG (low temperature cooling system)
1.5 US qt (1.45 l)
1.7 US qt (1.6 l)

452 Technical dataFuels, 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 point, use
MB Windshield Washer Concentrate
“MB SummerFit” and water:


1 part “MB SummerFit” to 100 parts
water
(1.34 fl oz [40 ml] “MB SummerFit” to
1gal [4.0l] water)
For temperatures below freezing point, use
MB Windshield Washer Concentrate
“MB SummerFit” and commercially avail-
able premixed windshield washer
solvent/antifreeze:


1 part “MB SummerFit” to 100 parts
solvent
(1.34 fl oz [40 ml] “MB SummerFit” to
1 gal [4.0 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
and burn. You could be seriously burned.

454 Index
Gear shifting malfunctions 179
Kickdown 171
Manual shifting 174
One-touch gearshifting 174
Program mode selector switch 32,
173
Starting the engine 52
Transmission fluid level 279
Automatic Transmission Fluid see ATF
B
Backrest
Lumbar support 122
Multicontour seat* 122
Power seat 44
Shoulder region support 122
Backup lamp
Messages in the multifunction
display 382
Replacing bulb 398, 402
Bar 312
BAS 89
Batteries, SmartKey
Checking battery condition 105
Replacing 395Batteries, SmartKey with KEYLESS-GO*
Checking battery condition 110
Replacing 395
Batteries, Vehicle 281
Charging 417
Consumer battery 281, 389, 414
Jump starting 419
Messages in the multifunction
display 366
Starter battery 281, 414
Bead 312
Bi-Xenon headlamps* 398
Block heater (Canada only) 317
Brake Assist System see BAS
Brake lamps 398
High mounted 398
Messages in the multifunction
display 380
Brake pads
Messages in the multifunction
display 366
Brake system
Messages in the multifunction
display 370Brakes 260
BAS 89
Brake fluid 272, 445, 447
Electro-hydraulic brake system 92
High-performance brake system (AMG
vehicles only) 262
Warning lamp 335
Break-in period 258
Bulbs
Messages in the multifunction
display 380
Replacing 397
C
California retail buyers and lessees,
important notice for 11
Call priority, Tele Aid 249
Capacities and recommended
fuel/lubricants 444
Cargo area see Trunk
Carpets, cleaning 329
Catalytic converter 269
CD changer 150
CD player 150
Operating 151

455 Index
Center console
Lower part 32
Upper part 31
Central locking
Automatic 119, 162
Central locking/unlocking switch 31,
119
Locking/unlocking from inside 119
Certification label 430
Check engine see Lamps, indicator and
warning
Checking tire pressure electronically with
the Advanced Tire Pressure Monitoring
System (Advanced TPMS)*,
(Canada only) 298
Children in the vehicle
Air bags 83
Front passenger front air bag off indica-
tor lamp 76, 345
Infant and child restraint systems 83
Occupant Classification System
(OCS) 72
Cigarette lighter 239
Clock 25, 157
Cockpit 24
Cold tire inflation pressure 312COMAND system 31
Driving instructions 268
Combination switch
High beam 56, 133
Turn signals 56
Windshield wipers 57
Consumer battery 281
Control and operation of radio
transmitters 268
Control system 139, 142
Control system menus
AMG Menu 146
AUDIO 149
NAV 151
Settings 153
Standard display 145
TEL* 165
Trip computer 163
Vehicle status message memory 152
Control system submenus 143
Convenience 162
Instrument cluster 156
Lighting 159
Time 157
Vehicle 162
Convenience feature 201Coolant 449
Anticorrosion/antifreeze mixing ratio
and quantity 451
Checking coolant level 280
Coolant warning lamp 337
Messages in the multifunction
display 371, 373
Temperature 270
Temperature gauge 137
Corner-illuminating front fog lamps 132
Corner-illuminating front fog lamps*
Replacing bulbs 397
Courtesy lighting 135
Cruise control 209
Messages in the multifunction
display 352, 353
Cup holder 238
Curb weight 312
D
Daytime running lamp mode 130
Setting 159
Deep water see Standing water
Defogging, Windshield 191
Defrosting, Front 190
Defrosting, Rear 183

456 IndexDelayed switch-off
Exterior lamps 160
Interior lighting 161
Department of Transportation see DOT
Difficulties
While driving 59
With starting the engine 53
Digital clock see Clock
Digital speedometer 145
Dimensions, Vehicle 442
Dipstick see Oil dipstick
Direction of rotation (tires) 286
Displays
Digital speedometer 145
Distronic* 215
Maintenance service indicator 319
Multifunction display 139
Outside temperature 138, 145
Symbol messages 365
Text messages 349
Vehicle status message memory 152
Vehicle status messages 347
Distance to empty (range), Trip
computer 165Distance warning function* 224
Activating 225
Deactivating 225
Intermittent warning sound 224
Symbol 217
Distronic indicator lamp* 27
Distronic* 213
“Resume” function 220
Activating 218
Cleaning system sensor cover 325
Control system 151, 217
Distance warning function 224
Driving hints 222
System sensor cover 325
Warning and indicator lamps 215,
216, 224, 339
Door
Control panel 36
Handle, Inside 36
Locking/unlocking,
KEYLESS-GO* 39, 64
Locking/unlocking, Mechanical
key 391, 393
Locking/unlocking, SmartKey 38, 63
Messages in the multifunction
display 374Opening from inside 111
Storage compartment 233
Door control panel 36
Door handle 36
DOT 312
Drinking and driving 259
Driving
Abroad 268
Driving off 262
Electro-hydraulic brake system 95
Hydroplaning 264
In winter 266, 316
Instructions 54, 259
Problems 59
Safety systems 87
Systems 209
Through standing water 267
With Distronic* 222
Driving safety systems 87
ABS 87
BAS 87, 89
Electro-hydraulic brake system 87,
92
Electronic traction system 91
ESP
®
87, 89