2008 MERCEDES-BENZ SL55AMG oil pressure

Contents
Power windows .................................. 201
Opening and closing the
windows ....................................... 201
Synchronizing power windows ..... 203
Retractable hardtop ........................... 204
Opening and closing the
retractable hardtop ...................... 204
Driving systems ................................. 214
Cruise control............................... 214
Distronic*..................................... 218
Distance warning function*.......... 229
Active Body Control (ABC) ............ 230
Parktronic system*
(Parking assist)............................. 233
Useful features .................................. 238
Storage compartments................. 238
Cup holders .................................. 243
Ashtray ......................................... 244
Cigarette lighter ........................... 244
Load assist in the trunk ................ 245
Power outlet ................................. 246
Floormat* ..................................... 247
Telephone*................................... 247
Tele Aid ........................................ 250
Garage door opener ..................... 257
Operation......................................... 265
The first 1 000 miles (1 500 km)......... 266
Driving instructions............................ 267
Drive sensibly – save fuel ............. 267
Drinking and driving ..................... 267
Pedals .......................................... 267
Power assistance ......................... 268
Brakes .......................................... 268
Driving off .................................... 270
Parking ......................................... 271
Tires ............................................. 271
Hydroplaning ................................ 272
Tire traction.................................. 273
Tire speed rating .......................... 273
Winter driving instructions ........... 274
Standing water ............................. 275
Passenger compartment .............. 276
Driving abroad.............................. 276
Control and operation of
radio transmitters ........................ 276
Catalytic converter ....................... 277
Emission control .......................... 277
Coolant temperature .................... 278At the gas station .............................. 279
Refueling ...................................... 279
Check regularly and before
a long trip..................................... 280
Engine compartment ......................... 282
Hood ............................................ 282
Engine oil ..................................... 283
Transmission fluid level................ 287
Oil level in the ABC system .......... 287
Coolant ........................................ 288
Windshield washer system and
headlamp cleaning system........... 289
Battery ......................................... 290
Tires and wheels................................ 291
Important guidelines .................... 291
Tire care and maintenance........... 292
Direction of rotation..................... 294
Loading the vehicle ...................... 294
Recommended tire inflation
pressure ....................................... 300
Checking tire inflation pressure ... 302
MOExtended system* .................. 312
Tire labeling ................................. 313
Load identification ....................... 317
DOT, Tire Identification Number
(TIN) ............................................. 317

23 At a glance
Exterior view
ItemPage
1Trunk
Opening the trunk114
Closing the trunk116
Spare wheel400
Vehicle tool kit400
2Rear lamps410
3Rear window defroster187
4Fuel filler flap279
Refueling279
Gasoline461
5Doors
Locking and unlocking104
Opening and closing113
Locking/unlocking in an
emergency403
ItemPage
6Exterior rear view mirrors
Adjusting49
Auto-dimming rear view
mirrors185
7Towing434
Installing towing eye bolt436
8Tires and wheels291
Checking tire inflation
pressure302
General information291
Flat tire417
Vehicle tool kit400
9Hood
Opening282
Engine oil283
Coolant288,
463
ItemPage
aHeadlamp cleaning
system185,
289
bFront lamps410
cWindshield wipers58
Wiper blades, replacing415
Wiper blades, cleaning337
dWindshield
Wiping with windshield
washer fluid60
Cleaning337
eRetractable hardtop
Opening/closing204
Wind screen209
Luggage cover210
Sunshade for panorama
roof*213

147 Controls in detail
Control system
Menus, submenus and functions
Table continued on next page.
Menu 1Menu 2Menu 3Menu 4Menu 5
Standard displayAMG1AUDIO NAVDistronic*
(page 149)(page 150)(page 153)(page 155)(page 156)
Commands/submenus
Calling up digital
speedometer/Outside
temperatureEngine oil temperatureSelecting radio stationShow route guidance
instructions, current
direction traveledCalling up settings
Calling up maintenance
service indicatorVehicle supply voltageSelecting satellite radio
station
Checking tire inflation
pressureRACETIMEROperating CD player
Checking engine oil
level*Overall analysis
Lap analysis
1AMG vehicles only.

149 Controls in detail
Control system
Standard display menu
1Main odometer
2Outside temperature
3Current gear selector lever position
4Trip odometer
5Automatic transmission program mode
Press button è or ÿ repeatedly
until you see the standard display
menu in the multifunction display.You can modify the standard display menu.
Instead of outside temperature 2, you
can choose the digital speedometer to be
displayed in the left multifunction display
by changing the setting in the
Select
Display
function of the Inst. Cluster
submenu (
page 161).
Press button k or jto select
the functions in the standard display
menu.
The following functions are available:Calling up digital speedometer or out-
side temperature
Press button k or juntil the
digital speedometer or, depending on
the chosen setting, the outside temper-
ature appears in the right multifunction
display.
FunctionPage
Calling up digital speedometer or
outside temperature149
Calling up maintenance service
indicator332
Checking tire inflation pressure302
Checking engine oil level*284
iIf you have selected the digital speedometer
for the standard display (
page 161), select the
outside temperature display here.

281 Operation
At the gas station
Windshield washer and headlamp
cleaning system
For information on refilling the reservoir,
see “Windshield washer system and
headlamp cleaning system” (
page 289).
Brake fluid
For information on brake fluid, see “Fuels,
coolants, lubricants, etc.” (
page 457).Coolant level
For information on checking the coolant
level, see “Coolant” (
page 288).
Engine oil level
For more information on checking the en-
gine oil level, see “Engine oil”
(
page 283).
Vehicle lighting
Check function and cleanliness. For more
information, see “Replacing bulbs”
(
page 409).
Exterior lamp switch, see “Switching on
headlamps” (
page 57).
Tire inflation pressure
For information on checking the tire infla-
tion pressure, see “Checking tire inflation
pressure” (
page 302).
!If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum mark or
below, have the brake system checked for brake
pad thickness and leaks immediately. Notify an
authorized Mercedes-Benz Center immediately.
Do not add brake fluid as this will not solve the
problem. For more information, see the “Practi-
cal hints” section (
page 381).

323 Operation
Tires and wheels
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
driven 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 (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 B-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 B-pillar.GVWR (G
ross Vehicle Weight Rating)
This is the maximum permissible vehicle
weight of the fully loaded vehicle (weight of
the vehicle including all options, passen-
gers, fuel, and cargo and, if applicable,
trailer tongue load). It is indicated on
certification label located on the driver’s
door B-pillar.
Kilopascal (kPa)
The metric unit for air pressure. There are
6.9 kPa to 1 psi; another metric unit for air
pressure is bars. There are 100 kilopascals
(kPa) to 1 bar.
Maximum load rating
The maximum load in kilograms and
pounds that can be carried by the tire.
Maximum loaded vehicle weight
The sum of curb weight, accessory weight,
total load limit and production options
weight.

339 Operation
Vehicle care
Plastic and rubber parts
Use a gentle dishwashing detergent or
mild detergent for delicate fabrics as a
washing solution.
Wipe with a cloth moistened in a luke-
warm solution.
The surface may temporarily change
color. If this is the case, wait for it to
dry.Hard plastic trim items
Use Mercedes-Benz approved Interior
Care, a soft, lint-free cloth and apply
with light pressure.
Steering wheel and gear selector lever
Wipe with a damp cloth and dry
thoroughly or clean with
Mercedes-Benz approved Leather
Care.
Carpets
Use Mercedes-Benz approved
Carpet and Fabric Care for cleaning
the carpets.
!The vehicle should not be parked for an
extended period of time immediately after it has
been cleaned, especially not after the wheel rims
have been cleaned with wheel rim cleaner.
Wheel rim cleaners can lead to increased corro-
sion of the brake disks and brake pads.
Non-approved wheel cleaners may also damage
the wheel paint if the car is not driven after
cleaning. Therefore, the vehicle’s brake system
should always be warmed-up before it is parked
after cleaning. To do so, please drive your vehicle
for several minutes to allow the brakes to dry.
When applying Mercedes-Benz approved Tire
Care and Mercedes-Benz approved Wheel Care
products, take care not to spray them on the
brake disks. Warning!G
Do not use cleaners containing solvents or
cockpit care sprays to clean the cockpit or
the steering wheel. Cleaners containing sol-
vents will make the surface porous and vehi-
cle occupants could suffer serious injuries
from plastic parts coming loose in the event
of air bag deployment.
!Do not use oil, wax or scouring agents on
these parts.
Never apply strong force and only use a soft,
non-scratching cloth when cleaning the surface.
Do not attempt to wipe the surface with a dry
cloth or sponge.
Otherwise you may scratch or damage the
surface.
!Never apply strong force and only use a soft,
non-scratching cloth when cleaning the surface.
Do not attempt to wipe the surface with a dry
cloth or sponge.
Otherwise you may scratch or damage the
surface.

422 Practical hints
Flat tire
Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Inflating the spare tire (collapsible tire)
Take the electric air pump out of the
trunk (
page 400).1Flap
2Air pump switch
3Electrical plug
4Air hose with pressure gauge and vent
screw
5Union nut
Open flap 1 on air pump.
Pull out electrical plug 3 and air hose
with the pressure gauge 4.
Remove the valve cap from the tire
valve.
Screw union nut 5 onto the tire valve.
Warning!G
Always replace wheel bolts that are dam-
aged or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be
repaired immediately. Do not continue to
drive under these circumstances! Contact
an authorized Mercedes-Benz Center or call
Roadside Assistance.
Incorrect wheel bolts or improperly tight-
ened wheel bolts can cause the wheel to
come off. This could cause an accident. Be
sure to use the correct wheel bolts.
Warning!G
Only use genuine Mercedes-Benz wheel
bolts. They are identified by the Mercedes
star. Other wheel bolts may come loose.
Do not tighten the wheel bolts when the ve-
hicle is raised. Otherwise the vehicle could
fall off the jack.
!Do not lower the vehicle before inflating the
spare wheel tire. Otherwise the rim may be dam-
aged.
Warning!G
Observe instructions on air pump label.