Page 424 of 464

424 Technical termsRemote Vehicle Diagnostics
Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to Tele Aid service.
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, airbags and
child restraint systems. As indepen-
dent systems, their protective func-
tions complement one another.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.
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 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)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.
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Page 431 of 464

431 Index
Centigrade
Setting temperature units 142
Central locking
Automatic 107
From inside 108
Locking from inside 108
Switch 108
Switching on/off
(control system) 149
Unlocking from inside 108
Central locking switch 108
Changing
Batteries (SmartKey with
KEYLESS-GO*) 351
Batteries (SmartKey) 350
Key setting 149
Changing CDs 199
Charcoal filter 179
Activating 179
Deactivating 180
Charging
Vehicle battery 386
CHECK ENGINE
malfunction indicator lamp 314Checking
Coolant level 292
Oil level 286, 289
Tire inflate pressure 286
Vehicle lighting 286
Child safety 69
Airbags 60
Infant and child
restraint systems 64, 69
LATCH child seat anchors 73
Child safety switch see
Blocking of rear window operation
Child seat anchors see
LATCH child seat anchors
Cigarette lighter 254Cleaning
Cup holder 309
Distronic* system sensor cover 308
Gear selector lever 309
Hard plastic trim items 310
Headlamps 167
Headliner 310
Instrument cluster 309
Leather upholstery 310
Light alloy wheels 309
Nubuck leather upholstery
(CLK 55 AMG) 310
Parktronic* system sensor 308
Plastic and rubber parts 310
Seat belts 310
Soft top 306
Steering wheel 309
Upholstery 310
Windows 309
Windshield 50
Wiper blades 308
Wood trims 310
CLK 55 AMG
Manual shift program mode 164
Clock 23, 144
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436 IndexEmission control 282
Emission control label 400
Ending
A call (telephone*) 155
Engine
Compartment 287
Message in display 314
Starting 44
Starting with KEYLESS-GO* 44
Starting with the SmartKey 44
Technical data 402
Turning off 54
Engine cleaning 306
Engine compartment 287
Fuse box in 395
Hood 287
Engine malfunction
indicator lamp 23, 314
Engine number 421Engine oil 288, 412
Adding 291
Additives 412
Checking level 289
Consumption 288
Filler cap 291
Filler neck 291
Message in display 332
Messages in display 290
Viscosity 421
Engine oil level see Oil level
ESP 23, 79, 421
Messages in display 324
Switching off 80
Switching on 81
Warning lamp 316, 317
ETD 421
Safety guidelines 62
ETD (Emergency tensioning device) 67
Exterior lamp switch 119
Exterior rear view mirrors
Adjusting 39
Parking position for 151F
Fahrenheit
Setting temperature units 142
Fastening the seat belts 40
Fine adjustment
Cruise control 228
Distronic* 235
First aid kit 343
Flat tire 380
Lowering the vehicle 384
Minispare wheel 346
Mounting the Minispare wheel 380
Preparing the vehicle 380
Flexible Service System (FSS) 302, 421
Floormates*
Installing 255
Removing 255
Floormats* 255
Fog lamp, rear 122, 373
Fog lamps
Replacing bulbs 373
Fog lamps, front
Messages in display 335
Replacing bulbs 374
Switching on 122
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439 Index
Instrument cluster 22, 126, 421
Cleaning 309
Coolant temperature indicator 127
Illumination 126
Lamps in 312–318
Multifunction display 129
Outside temperature indicator 128
Selecting language 143
Instruments and controls see Cockpit
Interior lighting 124
Activating automatic control 124
Deactivating automatic control 125
Delayed switch-off 148
Manual operation 125
Interior rear view mirror
Adjusting 38
Interior storage spaces 250
Armrest 251
Glove box 250
Parcel net 253
Storage bags 252
J
Jack 343, 345
Jump starting 388K
Key, mechanical 348
Key, SmartKey with KEYLESS-GO*
Changing the batteries 351
Key-dependency memory
Settings 151
KEYLESS-GO* 421
Activating ignition with 33
Closing side windows 96
Closing soft top 96
Closing windows with 214
Factory setting 94
Global locking 94
Global unlocking 94
Important notes 92
Locking the vehicle 95
Messages in display 334
Remote controls 91
Starting the engine 44
Turning off the engine 55
Unlocking with 32
Unlocking, trunk lid 96
Kickdown 163, 421
Kilometers/miles in speedometer 142
Km/h or mph in speedometer 142L
Labels, identification 400
Lamp bulbs, exterior 372
Lamp sensor
Messages in display 336
Lamps, exterior
Front 373
Light sensor 336
Messages in display 335–338
Rear 373
Lamps, indicator and warning
ABS 312
Battery (SmartKey) 89, 94
Brakes 313
Center console 319
CHECK ENGINE 314
Coolant 315, 328
Distance warning 316
Distronic* 231, 237
Engine diagnostics 314
ESP 316, 317
Fuel reserve 317
Instrument cluster 312–318
PASS. AIRBAG OFF 63, 319
Roll bar 317
Seat belts 318
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440 Index
Service indicator 302
SRS 59, 318
Turn signals 23
Language
Multifunction display 143
Setting 143
LATCH child seat anchors 73
Folding back 73
Layout of poly-V-belt drive 401
Leather upholstery
Cleaning 310
Lever
For cruise control 226, 233
License plate lamps
Messages in display 336
Replacing bulbs 373, 378
Light alloy wheels
Cleaning 309
Technical data 404
Light sensor 336
Lighter see Cigarette lighterLighting 119
Automatic headlamp mode 120
Combination switch 123
Daytime running lamp mode 121
Door entry lamps 125
Exterior lamp switch 119
Front fog lamps 122
High beam flasher 123
High beams 123
Instrument cluster illumination 126
Interior 124
Locator lighting 121
Low beam 119
Manual headlamp mode 120
Night security illumination 121
Parking lamps 119
Rear fog lamp 122
Settings (control system) 145
Limiting the gear range 159
Limp Home Mode 166
Line of fall 422Loading 245
Instructions 249
Ski sack* 245
Locator lighting 121
Setting 146
Lock button 422
Lock buttons 422
Door handle (KEYLESS-GO*) 56
Locking 52, 88
Fuel filler flap 284
Global with KEYLESS-GO* 94
Global, SmartKey 89
The vehicle with KEYLESS-GO* 95
Trunk lid, separately 106
Vehicle in an emergency 349
Loss of Service and
Warranty Information Booklet 399
Loss of SmartKey 91
Loss of SmartKeys
with KEYLESS-GO* 97
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Page 443 of 464

443 Index
Roll bar 338
Selector lever 325
SmartKey with KEYLESS-GO* 334
Soft top 340
Steering gear oil level 341
Symbol messages 326–342
Tele Aid 341
Telephone* 342
Text messages 321–325
Trunk 342
Washer fluid 342
Multifunction
steering wheel 24, 130, 422
Buttons 130
N
Navigation system
Operating 137
See separate COMAND*
operating instructions
Night security illumination 121
Nubuck leather upholstery (CLK 55 AMG)
Cleaning 310O
Occupant safety 58
Airbags 59
Children and airbags 60
Children in the vehicle 69
Fastening the seat belts 40
Infant and child restraint systems 69
LATCH child seat anchors 73
Seat belts 40, 62
Odometer, main 23
Oil
Adding 291
Checking level 289
Consumption 288
Filler cap 291
Filler neck 291
Viscosity 421
Oil level
Checking 286
One-touch gearshifting 158
Canceling gear range limit 158
Downshifting 158
Upshifting 158Opening
Ashtray (Center console) 253
Ashtray (Rear seat) 254
Cup holder 251
Doors from the inside 97
Fuel filler flap 284
Fuel filler flap manually 352
Glove box 250
Hood 287
Side windows 211
Ski sack roller blind* 217, 245
Soft top 215
Soft top (SmartKey) 222
Soft top (switch) 218
Trunk 98
Trunk from the inside 99
Windows 210
Windows with SmartKey 213
Windows with soft top switch 212
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Page 444 of 464

444 IndexOpening from the inside
Trunk 100
Operating
Audio system 183
Cassette player 136
CD player 136
COMAND* see
separate operating instructions
Navigation system 137
Radio 135
Radio transmitters 281
Telephone* 154, 183, 203
Vehicle outside the
USA and Canada 13
Operating roll bar manually 353
Operating safety
Audio system 183
Operator’s Manual 10
Ornamental moldings 307
Outside temperature indicator 128
Overdue service 302
Overhead control panel 27
Overspeed range 423P
Paintwork 305
Panic alarm 75
Panic button on SmartKey 75
Parcel net in
front passenger footwell 253
Parking 52, 275
Parking assist* see Parktronic*
Parking brake 46, 53
Engaging 53
Message in display 327
Releasing 46
Parking lamps
Replacing bulbs 373, 375, 377
Switching on 119
Parking position
Exterior rear
view mirrors 118, 151, 169
Parktronic* 241, 423
Sensor 308
Parts see Spare parts service
PASS. AIRBAG OFF indicator lamp 319
Passenger airbags 63Passenger compartment 280
Fuse box in 394
Interior lighting 124
Interior rear view mirror 38
Parcel net in
front passenger footwell 253
Storage bags,
rear side of the front seats 252
Passenger safety see Occupant safety
Pedals 273
Phone book*
Loading 155
Quick search 156
Phone number*
Dialing 155
Redialing 156
Plastic and rubber parts
Cleaning 310
Playing
CDs 201
Poly-V-belt drive 423
Layout 401
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Page 447 of 464
447 Index
Reporting
Safety defects 18
Reset button in the
instrument cluster 139
Resetting
All functions (control system) 139
All functions of a submenu 140
Fuel consumption 153
Last stored speed ("Resume" function)
in Distronic* 235
Service indicator (FSS) 303
Trip odometer 127
Residual heat utilization 181, 424
Residual ventilation 181
REST
(Residual engine heat utilization) 424
Restraint system see
Infant and child restraint systemsRims 403
Roadside assistance 12
Tele Aid* 260
Roll bar 68, 424
Lowering manually 354
Messages in display 338
Operating manually 353
Warning lamp 317
RON 285
RON (Research Octane Number) 424
Rotating wheels 299
Rubber parts
Cleaning 310S
Safety
Occupant 58
Safety belts see Seat belts
Safety defects
Reporting 18
Safety systems
Driving 76
Searching
Radio station 135
Seat belt force limiter 67
Seat belts 64
Cleaning 310
Fastening 40
Proper use of 42, 66
Safety guidelines 62
Warning lamp 318
Seat cushion depth
Adjusting 112
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