Page 453 of 506
452 Technical dataWeightsTrunk load max.
220 lbs (100 kg)
Page 466 of 506

465 Technical terms
Restraint systems
Seat belts, child restraints, lower an-
chors and tethers for children (LATCH).
As independent systems, their protec-
tive functions complement one anoth-
er.
Rim
(
page 337)
Roll bars
Occupant protection system which
consists of tubular steel, integrated in
the rear head restraints. The roll bars
are lowered into the car body during
normal driving conditions and raised
automatically in an accident or in a crit-
ical driving situation.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 is parked, this lock
prevents the gear selector lever from
being inadvertently moved out of
positionP without SmartKey turned
and brake pedal depressed.
Sidewall
(
page 337)Soft top
Soft top roof that can be opened by
pulling and closed by pressing a switch
and stored in the soft top compartment
in the trunk area.
Speedshift (CLK 500, CLK 55 AMG)
Steering wheel gearshift control. You
can change the gears yourself with the
steering wheel gearshift buttons.
SRS
(S
upplemental R
estraint S
ystem)
Air bags, air bag control unit (with
crash sensor), emergency tensioning
device. Though independent systems,
they are closely interfaced to provide
effective occupant protection.
Page 473 of 506

472 IndexClosing
Cup holder 272
Glove box 269
Hood 306
Side windows 240
Side windows
with KEYLESS-GO* 243
Ski sack roller blind* 246, 267
Soft top 244
Soft top (SmartKey) 252
Soft top (switch) 248
Soft top in an emergency 403
Trunk 107
Windows 239
Windows with KEYLESS-GO* 243
Windows with SmartKey 242
Windows with soft top switch 241
Cockpit 22, 461
Cockpit management
and data system (COMAND*) 461
Cold tire inflation pressure 336
Collapsible wheel chock 394
COMAND* 461
COMAND* see
separate operating instructionsCombination switch 126
High beam flasher 126
Turn signals 51
Windshield wipers 52
Comfort driving
Transmission program mode 169
Control and operation
of radio transmitters 299Control system 133, 461
AUDIO menu 139
Convenience submenu 156
Display digital speedometer 139
Functions 134, 137
Instrument
cluster submenu 145, 147
Lighting submenu 151
Menus 136, 137, 463
Multifunction display 133
Multifunction steering wheel 134
NAV menu 141
Selecting radio system 139
Selecting satellite radio* system 140
Settings menu 142
Standard display menu 138
Submenus 135, 137
TEL* menu 160
Trip computer menu 158
Vehicle status
message memory menu 141
Vehicle submenu 155
Page 478 of 506
477 Index
Fuses 436
Aids for changing fuses 436
Auxiliary fuse box in trunk 438
Fuse box in engine compartment 437
Fuse box
in passenger compartment 437
Fuse chart 436
Fuse extractor 436
Spare fuses 436G
Garage door opener 29, 284
Gasoline see Fuel
Gasoline additives 457
GAWR 336
Gear range 462
Automatic transmission 166
Limiting 166
Shifting into optimal 165
Gear range limit
Canceling 165
Gear selector lever 25, 163, 400
Cleaning 351
Position 25
Position
(Automatic transmission) 163, 167
Unlocking manually 400
Global
Locking 96
Locking with KEYLESS-GO* 102
Unlocking 96
Unlocking with KEYLESS-GO* 101Global Positioning System (GPS) 462
Glove box 23, 269
Closing 269
Opening 269
Good visibility 176
GPS 462
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 336
GVWR 336
Page 480 of 506

479 Index
Instrument cluster 24, 130, 463
Cleaning 351
Coolant temperature indicator 131
Illumination 130
Lamps in 354–360
Multifunction display 133
Outside temperature indicator 132
Selecting language 146
Instruments and controls see Cockpit
Interior lighting 128
Activating automatic control 128
Deactivating automatic control 129
Delayed switch-off 154
Manual operation 129
Interior rear view mirror
Adjusting 41
Intermittent wipe 53J
Jack 391, 393
Jump starting 430
K
Key 209
Key, mechanical 397
Key, SmartKey with KEYLESS-GO*
Replacing the batteries 413
Key-dependency memory
Settings 157
KEYLESS-GO* 463
Activating ignition with 36
Closing side windows with 243
Closing windows with 243
Factory setting 101
Global locking 102
Global unlocking 101
Important notes 100
Messages in display 382
Remote control 98Starting the engine 47
Turning off the engine 57
Unlocking with 33
Unlocking, trunk lid 104
Kickdown 170, 463
Kilometers/miles in speedometer 145
Kilopascal 336
Km/h or mph in speedometer 145
L
Labels, identification 442
Lamp bulbs, exterior 414
Lamp sensor
Messages in display 384
Lamps, exterior
Front 414
Light sensor 384
Messages in display 383–386
Rear 415
Page 484 of 506

483 Index
Roll bar 387
Selector lever 373
SmartKey with KEYLESS-GO* 382
Soft top 389
Steering gear oil level 389
Symbol messages 374–390
Tele Aid 388
Telephone* 390
Text messages 365–373
Trunk 390
Washer fluid 390
Multifunction
steering wheel 26, 134, 464
Buttons 134
N
Navigation system
Operating 141
See separate COMAND*
operating instructions
Night security illumination 124
Normal occupant weight 337
Nubuck leather upholstery (CLK 55 AMG)
Cleaning 352O
Occupant Classification System see OCS
Occupant distribution 337
Occupant safety 60
Air bags 61
Children and air bags 62
Children in the vehicle 72
Fastening the seat belts 43
Front passenger front
air bag off indicator lamp 79, 361
Infant and child restraint systems 72
LATCH child seat anchors 80
OCS 75
Seat belts 43, 64
OCS 75, 464
Self-test 80
Odometer, main 25
Oil
Adding 309
Checking level 307
Consumption 306
Filler cap 309
Filler neck 309
Viscosity 462
Oil level
Checking 304One-touch gearshifting 165
Canceling gear range limit 165
Downshifting 165
Upshifting 165
Opening
Ashtray (Center console) 273
Ashtray (Rear seat) 274
Cup holder 272
Doors from the inside 105
Fuel filler flap 302
Fuel filler flap manually 399
Glove box 269
Hood 305
Side windows 240
Ski sack roller blind* 246, 264
Soft top 244
Soft top (SmartKey) 251
Soft top (switch) 247
Trunk 106
Trunk from the inside 107
Windows 239
Windows with SmartKey 242
Windows with soft top switch 241
Page 494 of 506

493 Index
Tread 338
Tread depth 315
Tread depth (tires) 340
Treadwear indicators 338
Trip computer 158
Trip odometer
Resetting 131
Trunk
Auxiliary fuse box 438
Closing 107
Luggage cover 245
Message in display 390
Opening 106
Opening from inside vehicle 107
Trunk lid 106
Trunk lock 398
Unlocking with KEYLESS-GO* 104
Unlocking with SmartKey 98
Trunk lid emergency release 109
Turn signal lamps
Replacing bulbs 414, 415Turn signals 51
Additional in mirrors 414
Cleaning lenses 348
Front bulbs 414
Front bulbs (Bi-Xenon*) 419
Front bulbs (Halogen) 417
Indicator lamps 25
Rear bulbs 415, 420
Turning off
Engine 56U
Uniform Tire
Quality Grading Standards 338
Units
Setting speedometer units 145
Setting temperature units 145
Unlocking 32, 94
Driver’s door in an emergency 397
Fuel filler flap 302
Gear selector lever manually 400
Global 96
Global with KEYLESS-GO* 101
In an emergency 397
Selective setting 96, 102
Trunk lid with KEYLESS-GO* 104
Trunk lid with SmartKey 98
Vehicle in an emergency 283
With KEYLESS-GO* 33
With the SmartKey 32
Page 496 of 506

495 Index
Collapsible wheel chock 391
Fuse Extractor 391
Gloves 391
Hex wrench (in trunk) 391
Removing 391
Spare fuses 391
Straps for
soft top emergency operation 391
Towing eye bolt 391
Vehicle jack 391
Wheel bolts 391
Wheel wrench 391
Vehicle washing 347
VIN (Vehicle Identification Number) 466
W
Warning indicators
Parktronic system* 262
Warning sounds
Drivers seat belts 67
Parking brake 49
Parktronic system* 262, 263
Warranty coverage 441
Washer fluid see Windshield washer fluid
Washing the vehicle 345
Wear pattern (tires) 339
Weights 452Wheel bolts
For Minispare wheel 396
Wheel change
Tightening torque 426
Wheels
Tires and wheels 313
Wind screen 253, 466
Installing 253
Removing 254
Windows see Side windows
Windshield
Defogging 185, 194
Refilling washer fluid 312
Replacing wiper blades 421
Washer fluid 312, 460
Washer system 460
Windshield washer fluid 460
Message in display 390
Mixing ratio 460
Refilling 312
Wiping with 53
Windshield washer system 460
Windshield wipers 52
Fast wiper speed 52
Intermittent wipe 53
Intermittent wiping 52Replacing wiper blades 421
Single wipe 53
Switching on 52
Wiping with
windshield washer fluid 53
Winter driving 340
Block heater* 341
Snow chains 341
Tires 340
Winter driving instructions 297
Winter tires 340
Wiper blades
Cleaning 349
Installing 421
Removing 421
Replacing 421
Wiping
And washing simultaneously 53
Interval 52
With windshield washer fluid 53
Wood trims
Cleaning 352
X
Xenon headlamps
Bi-Xenon 461