Page 461 of 481

460 Technical termsLine of fall
The direct line an object moves down-
hill when influenced by the force of
gravity alone.
Locking knob
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the locking knob down
on an individual door from inside locks
that door.
Maintenance System (U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Maintenance
System in your vehicle tracks distance
driven and the time elapsed since your
last maintenance service, and calls for
the next maintenance service accord-
ingly.Maximum loaded vehicle weight
(
page 345)
Maximum load rating
(page 345)
Maximum tire inflation pressure
(page 345)
Memory function*
Used to store three individual seat,
steering wheel and mirror positions.
MON
(Motor O
ctane N
umber)
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 operat-
ing the control system.
Normal occupant weight
(
page 345)
Overspeed range
Engine speeds within the red marking
of 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.
Page 462 of 481

461 Technical terms
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing
Engine
Clutch/torque converter
Transmission
Transfer case
Drive shaft
Differential
Axle shafts/axles
Production options weight
(
page 345)Program mode selector switch*
Used to switch the automatic transmis-
sion between standard operation (S)
and comfort operation (C).
Vehicles with steering wheel gearshift
control and manual shift program: in
addition toS andC (for regularS
or comfortC operation, see above),
you can useM for manual shift pro-
gram.
PSI
(P
ounds per s
quare i
nch)
(
page 345)
Recommended tire inflation pressure
(page 345)REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Restraint systems
Seat belts, belt tensioners, air bags
and child restraint systems. As inde-
pendent systems, their protective func-
tions complement one another.
Rim
(
page 345)
Retractable hardtop
Hardtop that can be opened and closed
at the push of a button and stored in
the trunk.
Page 463 of 481

462 Technical termsRoll bar
Occupant protection system which
consists of tubular steel sheathed in
plastic.
RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line 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.
Shift lock*
When the vehicle with automatic trans-
mission is parked, this lock prevents
the gear selector lever from being inad-
vertently moved out of positionP with-
out the SmartKey turned and the brake
pedal depressed.Sidewall
(
page 345)
SRS
(Supplemental R
estraint S
ystem)
Seat belts, emergency tensioning
device and air bags. Though indepen-
dent systems, they are closely inter-
faced to provide effective occupant
protection.
Tele Aid system
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, Roadside Assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
TIN
(T
ire I
dentification N
umber)
(
page 346)
Tire load rating
(page 346)
Tire ply composition and material used
(page 346)
Tire speed rating
(page 346)
Traction
(page 346)
Tread
(page 346)
Treadwear indicators
(page 346)
Uniform Tire Quality Grading Standards
(page 346)
Page 467 of 481

466 IndexB
BabySmart
TM
Air bag deactivation system 457
Compatible child seats 76, 457
Passenger front air bag off indicator
lamp 77
Back-up lamp 401
Bar 344
BAS 83, 457
Battery (SmartKey)
Replacing 398
Battery (Vehicle) 314, 421
Jump starting 424
Bead 344
Bi-Xenon* 457
Headlamps 401
Brake Assist System see BAS
Brakes 294
Brake fluid 306, 451
Display message 375
SLK 55 AMG 295
Warning lamp 363
Break-in period 292
Bulbs
Front/rear lamps 401
Replacing 400, 401C
CAC 457
California, important notice 11
CAN system 458
Capacities (Fuels, coolants, lubricants,
etc.) 449
Cargo compartment cover 253
Carpets, cleaning 359
Catalytic converter 302
CD
Changer* 219, 266
Player/Changer*, operation 131,
219
CD changer* (Audio system) 223
Center console 28
Lamp 367
Central locking
Automatic 101, 147
From outside (SmartKey) 62
Locking/unlocking from inside 102
Certification label 436
CHECK ENGINE indicator lamp 364
Child safety
Air bags 66
Children in the vehicle 75Cigarette lighter 270
Cleaning tires 319
Climate control 178
Air conditioning 187
Air recirculation mode 185
Control panel, overview 179
Switching on/off 181
Clock 122
Cockpit 458
Overview 22
Cold tire inflation pressure 344
Collapsible tire 458
Collapsible wheel chock 390
COMAND* 122, 458
Navigation 132
Radio transmitter 301
Combination switch 114
High beam flasher 114
High beam headlamps 55, 114
Low beam headlamps 55
Turn signals 55
Windshield wipers 56
Comfort driving
Transmission program mode* 163
Compatible child seat see BabySmart
TM
Page 468 of 481

467 Index
Control system 123, 458
AUDIO menu 129
Convenience* submenu 147
Coolant temperature 128
Instrument cluster submenu 137
Lighting submenu 143
Maintenance service indicator 350
Menus 124
Messages in display 368
Multifunction display 123
Multifunction steering wheel 124
NAV* menu 132
Overview (Menus) 126
Overview (Settings submenus) 136
Resetting 134
Settings menu 134
Standard display 128
TEL* menu 151
Time/date submenu 139
Trip computer menu 149
Vehicle status message memory
menu 132
Vehicle submenu 147
Controller Area Network see CAN systemConvenience closing*
Power windows 249
Retractable hardtop 257
Coolant 313
Adding water 306
Anticorrosion/antifreeze 454
Fuels, coolants, lubricants, etc. 453
Technical data 449
Temperature 303
Temperature, checking (Control
system) 128
Corner-illuminating front fog lamps*
(Lighting) 115
Cruise control 260, 458
Display message 370
Cup holder 268
Curb weight 344
Customer Assistance Center see CACD
Date (Control system) 141, 142
Daytime running lamp mode 112
Control system 143
Deep water see Standing water
Defrosting
Rear window 177
Windshield (Automatic climate
control*) 197
Windshield (Climate control) 184
Department of Transportation see DOT
Difficulties with starting 52
Direction of rotation (Tires) 320
Display text see Messages in display
Doors
Control panel, overview 31
Entry lamps 119
Locking/unlocking from outside 95
Opening from inside 97
Unlocking with Tele Aid 280
DOT 344
Drink holder see Cup holder
Drinking and driving 293
Driver’s air bag see Air bags
Page 470 of 481

469 Index
F
First aid kit 388
Flat tire 408
Inflating collapsible spare tire 417
Lifting vehicle 413
Lowering vehicle 419
Mounting spare wheel 412, 415
TIREFIT kit* 408
Floormat (Driver’s side only) 271
Fog lamps 113, 401
Corner-illuminating front fog
lamps* 115
Footwell lighting* 118
FSS PLUS (Canada vehicles) 459
Control system 350
Fuel
Additives 453
Consumption statistics (Control
system) 149
Filler flap 304
Fuel tank capacity 450
MON 304
Premium unleaded gasoline 304,
452Refueling 304
Reserve warning lamp 365, 366
RON 304
Technical data 449
Fuel filler flap
Localization 25
Fuel gauge (Instrument cluster) 25
Fuse extractor (Vehicle tool kit) 388
Fuses 430
Auxiliary fuse box 432
Main fuse box 431
Spare fuses (Vehicle tool kit) 388G
Garage door opener* 281
Gasoline see Fuel
GAWR 344
Gear range (Automatic
transmission*) 160, 459
Limiting 160
Shifting into optimal 164
Gear selector lever (Automatic
transmission*) 157
Position 157, 159
Global locking/unlocking see SmartKey
Global Positioning System see GPS
Glove box 266
Good visibility 173
GPS 87, 88, 459
Tele Aid system 273
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GSM network phones (Telephone*) 229
GVW 344
GVWR 345
Page 471 of 481

470 IndexH
Hard plastic trim items, cleaning 359
Hazard warning flasher 117
Head restraint height (Seats) 41
Headlamps
Bi-Xenon* 401, 457
Cleaning system* 173, 315, 456
Night security illumination (Control
system) 145
Switching off 60
Switching on 55
Headliner, cleaning 360
Head-thorax air bag 71, 459
Heating
Seats* 104
Steering wheel* 288
High beam
Flasher 115
Headlamps 55, 115
Headlamps, bulbs 401
High mounted brake lamp 401
High-performance brake system
(SLK 55 AMG) 295
Hood 307
Horn 23
Hydroplaning 297I
Identification labels see Labels
Ignition (Position in starter switch) 36
Immobilizer see Anti-theft systems
Infant and child restraint systems 75
Instrument cluster 25, 120, 459
Clock 122
Lamps, indicator and warning 362
Overview 24
Instruments and controls see Cockpit
Interior rear view mirror see Mirrors
Intermittent/interval wiping see Wind-
shield wipers
J
Jack (Vehicle tool kit) 388
Lifting vehicle 413
Lowering vehicle 419
Jump starting 424K
Key 209
Kickdown (Automatic
transmission*) 162, 459
Kilopascal 345
Kneebag see Air bags
Page 472 of 481

471 Index
L
Labels 436
Lamp in center console 367
Lamps in instrument cluster 362
Lamps, indicator and warning
ABS 362
Battery (SmartKey) 95
Brakes 363
CHECK ENGINE 364
ESP
®
84, 86, 365
Fuel reserve 365, 366
Passenger front air bag off 367
Seat belts 366
SRS 64, 65, 366
Language in multifunction display (Control
system) 137
Layout of poly-V-belt drive 437
License plate lamps 401
Light alloy wheels
Cleaning 358
Technical data 441, 442
Lighter see Cigarette lighterLighting 110
Combination switch 114
Corner-illuminating front fog
lamps* 115
Daytime running lamp mode 112
Door entry lamps 119
Exterior lamp switch 110
Exterior lamps, cleaning 357
Fog lamps 113
Footwell lighting* 118
Hazard warning flasher 117
Headlamp mode,
automatic/manual 111
High beam 115
High beam flasher 115
Individual settings (Control
system) 143
Instrument cluster illumination 120
Interior lighting 117
Low beam headlamps 110
Night security illumination (Control
system) 145
Reading lamps 119
Standing lamps 110
Trunk 118Limp Home Mode (Automatic
transmission*) 172
Line of fall 460
Loading 265, 320, 344
Loading the vehicle 320
Locator lighting (Control system) 144
Locking
And parking 59
Centrally (Control system) 147
Centrally from inside 102
Locking knob (Doors) 97, 460
Locking the vehicle 62
Long trip, checking before 305
Loss of
Service and Warranty Booklet 435
SmartKey or mechanical key 97
Low beam headlamps 110, 401
Lubricants, technical data 449