Page 285 of 425

284 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 (Department of Transportation)
A tire branding symbol which denotes the
tire meets requirements of the
U.S. Department of Transportation.
GAWR (G
ross Axle Weight Rating)
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 A-pillar.
GVW (G
ross Vehicle Weight)
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 A-pillar.
Page 390 of 425

389 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
Capacities
Vehicle components and their respective
lubricants must match. Therefore only use
products tested and approved by
Mercedes-Benz.
Please refer to the Factory Approved
Service Products pamphlet (USA only), or
inquire at an authorized Mercedes-Benz
Center.
Warning!G
Comply with all valid regulations with
respect to handling, storing and disposing of
service fluids. Otherwise you could
endanger persons or the environment.
Keep service fluids out of the reach of
children.
For health reasons, you should prevent ser-
vice fluids from coming into direct contact
with your skin or clothing.
If a service fluid is swallowed, contact a
physician immediately.
CapacityFuels, coolants, lubricants, etc.
Engine with oil filter9.0 US qt (8.5 l)Approved engine oils
Automatic transmission8.5 US qt (8.0 l)MB Automatic Transmission Fluid
Rear axle2.3 US qt (2.2 l)Hypoid gear oil SAE 75 W 85
Power steeringapprox. 1.15 US qt (1.1 l)MB Power Steering Fluid
(Pentosin CHF 11S)
Brake system1.6 US qt (1.5 l)MB Brake Fluid (DOT 4+)
Page 391 of 425

390 Technical data
Fuels, coolants, lubricants, etc.
CapacityFuels, coolants, lubricants, etc.
Cooling systemapprox. 10.6 US qt (10.0 l)MB 325.0 Anticorrosion/Antifreeze
Low temperature cooling system
Mercedes-Benz SLR McLaren
Mercedes-Benz SLR McLaren 722 Edition
approx. 5.3 US qt (5.0 l)
approx. 6.3 US qt (6.0 l)MB 325.0 Anticorrosion/Antifreeze
MB 325.0 Anticorrosion/Antifreeze
Fuel tank
including a reserve of25.6 US gal (97.0 l)
3.2 US gal (12.0 l)Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Air conditioning systemR-134a refrigerant and special PAG lubricant
oil (never R-12)
Windshield washer and headlamp cleaning
system7.4 US qt (7 l)MB Windshield Washer Concentrate1
1Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing or MB Windshield Washer Concentrate “MB SummerFit” and
commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 397).
Page 398 of 425

397 Technical data
Fuels, coolants, lubricants, etc.
Windshield washer system and head-
lamp cleaning system
Both the windshield washer system and
headlamp cleaning system are supplied
from the windshield washer reservoir.
The windshield washer reservoir has a
capacity of approximately 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 sol-
vent/antifreeze, depending on ambient
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.
Page 412 of 425

411 Index
F
Filler neck, Engine oil 253
First aid kit 353
Flat tire 362
Preparing the vehicle 362
TIREFIT kit 362
Floormats* 226
Floormats* (Only Mercedes-Benz SLR
McLaren 722 Edition) 227
Fluids
Automatic transmission fluid 254,
389
Brake fluid 248, 389, 392
Capacities 389
Engine coolant 255, 390, 394
Engine oil 253, 389, 391
Power steering fluid 389
Windshield washer and headlamp
cleaning system 257, 390
Fog lamps 109, 360
Message in the multifunction
display 341Front air bags 65
Front lamps see Headlamps
Fuel 247
Additives 393
Capacity, Fuel tank 390
Consumption statistics 139, 140
Filler flap 247
Filling the tank 247
Fuel reserve warning lamp 29, 307
Gauge 29
Premium unleaded gasoline 247,
392
Requirements, Octane rating 390,
393
Fuel cap
Messages in the multifunction
display 305, 340
Fuel filler flap
Locking/unlocking 247
Fuel reserve
Message in the multifunction
display 340Fuel reserve warning lamp 29
Fuel system
Message in the multifunction
display 339
Fuel tank
Capacity 390
Filler flap 247
Fuels, coolants, lubricants etc. 389
Fuses 373
G
Garage door opener 221
Gasoline see Fuel
GAWR 284
Gear range
Automatic transmission 174
Canceling limit 176
Limiting 174
Shifting into optimal 176, 178
Gear selector lever 32, 169
Gearshift pattern 169
Lock 48, 50, 169, 402
Position 170, 171
Position indicator 170
Shifting procedure 170