steering MERCEDES-BENZ SLR CLASS 2007 Repair Manual

399 Technical terms
ABS
(A
nti-lock Braking System)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Accessory weight
(
page 284)
ACL
(A
irbrake/Central Locking)
Controls the locking mechanism of the
Airbrake and the central locking
system.
Air pressure
(
page 284)
Aspect ratio
(
page 284)
Bar
(
page 284)BAS
(B
rake Assist System)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bead
(
page 284)
Bi-Xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-Xenon headlamps produce low
beam and high beam.
CAC
(C
ustomer Assistance Center)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a
breakdown.CAN system
(C
ontroller Area Network)
Data bus network serving to control
vehicle functions such as door locking
or windshield wiping depending on
vehicle settings and/or ambient
conditions.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.
Cold tire inflation pressure
(
page 284)
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to
adjust settings.

400 Technical terms
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Curb weight
(
page 284)
DOT
(D
epartment of Transportation)
(
page 284)
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine
produced.
Engine oil viscosity
Measure of the internal oil friction (vis-
cosity) at different temperatures. The
higher the temperature the oil can tol-
erate without thinning too much, or the
lower the temperature it can tolerate
without thickening too much, the bet-
ter the viscosity characteristics of the
oil.ESP
®
(Eectronic Stability Program)
Improves vehicle handling and
directional stability.
ETD
(E
mergency Tensioning Device)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem’s threshold to tighten the seat
belts.
->SRS
GAWR
(G
ross Axle Weight Rating)
(
page 284)
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector lever
or the steering wheel gearshift control
buttons.GPS
(G
lobal Positioning System)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
GVW
(G
ross Vehicle Weight)
(
page 284)
GVWR
(G
ross Vehicle Weight Rating)
(
page 285)
Head-thorax air bag
Installed in the doors, these air bags
protect occupants during side impact
collisions exceeding a preset thresh-
old. Unlike normal side air bags,
head-thorax air bags are also designed
to provide protection for the head area.

401 Technical terms
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible. This
very quickly accelerates the vehicle
and should not be used for normal
acceleration needs.
Kilopascal (kPa)
(
page 285)
Maximum load rating
(
page 285)
Maximum loaded vehicle weight
(
page 285)
Maximum tire inflation pressure
(
page 285)MON
(M
otor Octane Number)
The Motor Octane Number for gasoline
as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the MON (Motor Octane Number) and
RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
Two display fields in the instrument
cluster used to present information
provided by the control system.
Multifunction steering wheel
Steering wheel with buttons for
operating the control system.
Normal occupant weight
(
page 285)OCS
(O
ccupant Classification System)
The system automatically turns the
front passenger front air bag on or off
based on the classified occupant size
category determined by weight sensor
readings from the seat.
Overspeed range
Engine speeds within the red marking
on the tachometer dial. Avoid this
engine speed range, as it may result in
serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Poly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.

406 Index
Ashtray 208
Aspect ratio 284
AUDIO menu 126
Audio system 31, 145
Button and soft key operation 148
Cassette operation 154
CD operation 158
Location 145
Operating and display elements 146
Operating safety 145
Operation 148
Radio operation 151
Switching on/off 148
Telephone operation 162, 210
Auto-dimming, Interior rear view
mirror 182
Automatic car wash 296
Automatic central locking, Control
system 104, 139Automatic climate control 186
Adjusting air volume 193
Air conditioning refrigerant 391
Air conditioning, Cooling 196
Air distribution 191, 192
Air recirculation mode 195
Air vents 187
Air volume 191
Control panel 188
Deactivating system 190
Defrosting 185, 194
MAXCOOL 193
Residual heat utilization 197
Side air vents 31
Temperature 191
Temperature sensor 33
Automatic headlamp mode 107
Automatic lighting control, Interior
lighting 112Automatic transmission 169
Accelerator position 173
Damage 372
Driving tips 173
Emergency operation (Limp-Home
Mode) 181
Gear ranges 174
Gear selector lever 32, 169
Gear selector lever control one-touch
gearshifting 175
Gear selector lever position 171
Gear shifting malfunctions 181
Kickdown 173
Manual shift program 179
Shift program mode selector
switch 175
Shifting procedure 170
Starting the engine 47
Steering wheel gearshift control
one-touch gearshifting 177
Towing 372
Transmission fluid level 254
Automatic transmission fluid 254

408 Index
Central locking
Automatic 104, 139
Central locking switch 31
Locking/unlocking from inside 105
Central locking switch 105
Child restraints 60
Children in the vehicle 75
Air bags 63
Indicator lamp, passenger front air
bag 70
Infant and child restraint systems 60,
70, 78
Occupant Classification System
(OCS) 67
Passenger front air bag off indicator
lamp 70, 312
Cigarette lighter 208
Clock 29, 133
Setting time 134
Closed circuit racing
Brakes 238
Cockpit 26, 399Cold tire inflation pressure 284
Combination switch 27, 51, 110
Compact guide 354
Control and operation of radio
transmitters 243
Control system 117, 399
Multifunction display 117
Multifunction steering wheel 118
Control system menus 120
722 Edition menu 123
AUDIO menu 126
Settings menu 129
Standard display menu 122
TEL menu 141
Trip computer menu 139
Vehicle status message memory
menu 128
Control system submenus 121, 130
Instrument cluster 132
Lighting 134
Time 133
Vehicle 138Controller Area Network see CAN
Coolant 248, 255, 394
Anticorrosion/antifreeze mixing ratio
and quantity 396
Capacities 390
Checking coolant level 248, 255
Messages in the multifunction
display 335
Temperature 245
Temperature gauge 115
Warning lamp 29, 306
Courtesy lighting 113
Cruise control 27, 203, 400
Messages in the multifunction
display 317
Curb weight 284
Customer Assistance Center see CAC

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

415 Index
Multifunction display messages
ABS 316, 317
ACL malfunction 323
Airbrake 327
Battery, Vehicle 327
Brake pads 334
Coolant 335
Coolant level 335
Differential 338
Doors 352
Electro-hydraulic brake system 329
Engine oil 339
ESP
®318
Fuel system 339
Hood 352
Lamps 341
Parking brake 334
Passenger front air bag 321
Reserve fuel 340
Seat belt 352
Service brake 334
SmartKey 340
Telephone 340
Tires 346
Trunk lid 352
Washer fluid 352Multifunction steering wheel 30, 118,
401
Button operation 118
N
Net, parcel 207
Neutral gear position, Automatic
transmission 169
Night security illumination 109, 136
Normal occupant weight 285
Number, Vehicle Identification
(VIN) 378, 403
O
Occupant Classification System see OCS
Occupant distribution 285
Occupant safety
Air bags 62
Children and air bags 63
Children in the vehicle 75
Fastening the seat belts 45
Infant and child restraint systems 76
OCS 67
Passenger front air bag off indicator
lamp 70
Seat belts 71
SRS 60OCS 67, 401
Self-test 71
Octane number 402
Odometer
Main 117
Trip 115
Oil level see Engine oil, Checking level
Oil see Engine oil
One-touch gearshifting
Gear selector lever 175
Steering wheel gearshift
control* 177
Operating safety
Audio system 145
Vehicle 20
Operator’s manual 353
Outside temperature 122
Outside temperature see Displays
Overdue maintenance service 293
Overhead control panel 33
Overspeed range, Engine 116, 401

418 Index
Side marker lamps
Messages in the multifunction
display 343
Replacing bulbs 360
Side windows see Power windows
Sidewall 285
SmartKey see Key, SmartKey
Snow chains 291
Snow tires* 290
Spare fuses 373
Spare parts service 376
Speed setting
Cruise control 205
Speed settings
Cruise control 205
Speedometer 29
SRS 60, 402
Indicator lamp 29, 310
Messages in the multifunction
display 323
Standing lamps 106
Standing water, Driving trough 243Start button 48
Starter battery 256, 367
Starter switch 27, 40
Starting difficulties, Engine 49
Starting the engine 47
Steering wheel 42
Buttons 30
Steering wheel gearshift control
Indicator lamp 307
Steering wheel gearshift control one-touch
gearshifting
Automatic transmission 177
Stolen Vehicle Recovery services 221
Storage compartments 206
Armrest 206
Center 207
Map pocket, Passenger footwell 206
Parcel net in trunk 207
Rear 207
Storing tires 261
Submenus see Control system submenus
Sun visors 183
Supplement Restraint System see SRS
Symbols used in this Operator’s
Manual 19T
Tachometer 29
Overspeed range 116
Tail lamps
Messages in the multifunction
display 344
Replacing bulbs 359
Technical data 374
Air conditioning refrigerant 391
Brake fluid 392
Coolants 394
Electrical system 386
Engine 380
Engine oil additives 391
Engine oils 391
Fuel requirements 393
Fuels, coolants, lubricants etc. 389
Gasoline additives 393
Main dimensions 387
Poly-V-belt 379
Premium unleaded gasoline 392