Page 505 of 514

504 IndexO
Occupant Classification System see OCS
Occupant distribution 356
Occupant safety 62
Active head restraints 73
Air bags 63
Children and air bags 64
Children in the vehicle 75
ETD 72
Fastening the seat belts 45
Front air bags 67
Front passenger front
air bag off indicator lamp 81, 381
Head-thorax air bags 68
Infant and child restraint systems 75
LATCH-type child seat anchors 83
OCS 78
Rear side-impact air bags* 68
Roll bars 74
Safety guidelines,
Seat belts, Air bag, ETD 66
Seat belts 45, 69
SRS 62
OCS 78, 490
Self-test 82
Odometer 25Oil level see Engine oil, checking level
Oil see Engine oil
One-touch gearshifting 173
Operating safety 209
Operating the vehicle
outside the USA or Canada 13
Ornamental moldings, cleaning 368
Outside temperature see Displays
Overdue maintenance service 362
Overhead control panel 29
Overspeed range, Engine 490
P
Paintwork, Cleaning 365
Panic alarm 86
Parcel net
Front passenger footwell 280
Parking 57, 310
On hills 57, 310
Over combustible materials 57, 310
Parking assist* see
Parktronic system* (Canada only)
Parking brake 50, 57
Message in display 396
Warning sounds 51Parking lamps 127
Message in display 406
Replacing bulbs 438, 439, 441, 442
Parking position
Exterior
rear view mirrors 126, 161, 183
Parktronic system* (Canada only) 269
Cleaning system sensors 369
Malfunction 272
Range of the sensors 270
Switching on/off 272
Warning indicators 271
Warning sounds 271, 272
Parts service 466
PASS AIR BAG OFF indicator lamp see
Front passenger front
air bag off indicator lamp
Passenger compartment 314
Electrical outlet 287
Interior lighting 134
Interior rear view mirror 43
Main fuse box 463
Parcel net in
front passenger footwell 280
Storage bags,
rear side of the front seats 280
Page 506 of 514

505 Index
Passenger safety see Occupant safety
Pedals 307
Phone see Telephone
Plastic and rubber parts, Cleaning 371
Poly-V-belt drive 490
Layout 469
Positions (Memory function) see
Seats, Power
Power assistance 307
Power seat see Seats, Power
Power train 490
Power washer 365
Power windows 249
Cleaning 370
Convenience closing feature 253
Express opening/closing 251
Opening with soft top switch 254
Operating 249
Rear side windows,
Blocking operation 85
Summer opening feature 252
Synchronizing 251
Practical hints 373
Premium unleaded gasoline 482
Problems
While driving 56With vehicle 17
Product information 9
Production options weight 356
Program mode
Automatic shift program 172
Manual shift program 178
Program mode
selector switch 172, 178, 490
PSI 356
R
Radio
Operation 217
Selecting stations 145
Selecting stations (satellite*) 145
Radio transmitters 315
Range (distance to empty) 163
Reading lamp 29, 135
Rear fog lamp see Fog lamps
Rear lamps see Tail lamps
Rear seat ashtray see Ashtrays
Rear seat head restraints see
Head restraints
Rear side windows
Blocking operation 85
Rear side-impact air bags* 68
Rear view mirrors see MirrorsRear window defroster 185
Recommended
engine oils and oil filter 481
Recommended
tire inflation pressure 356
Recovery services,
Stolen vehicle (Tele Aid) 296
Refrigerant, Air conditioning 481
Refueling 318
Regular checks 320
Reminder, Seat belt see Seat belts, Telltale
Remote control
SmartKey 96, 100
SmartKey with KEYLESS-GO* 100
Remote door unlock (Tele Aid) 295
Removing
Ski sack* (Canada only) 276
Replacing bulbs 438
Additional turn signals 438, 439
Backup lamps 439, 443
Brake lamps 439, 443
Corner-illuminating
front fog lamps* 438, 439
Fog lamps 438, 439, 443
Headlamp bulbs 440
Headlamps 438
Page 507 of 514

506 Index
High beam flasher
(Bi-Xenon*) 438, 442
High beam flasher
(Halogen) 438, 440
High beam headlamps
(Bi-Xenon*) 438, 441
High beam headlamps
(Halogen) 438, 440
High mounted brake lamp 439
License plate lamps 439, 443
Low beam headlamps
(Bi-Xenon*) 438, 441
Low beam headlamps
(Halogen) 438, 440
Parking lamps 438, 439, 441, 442
Side marker lamps 438
Standing lamps 438, 439, 441, 442
Tail lamps 439, 443
Turn signal lamps 438, 439, 443
Turn signal lamps (Bi-Xenon*) 442
Turn signal lamps (Halogen) 441
Reporting safety defects 18
Research Octane Number see RON
Reset button, In
instrument cluster 25, 136, 148, 149
Residual heat and ventilation* see REST*Residual heat utilization* see REST*
REST* 207, 490
Restraint system see
Children in the vehicle
Restraint system see SRS
Restraint systems 491
Reverse gear position 168
RFI see Run Flat Indicator
Rims 356, 471
Roadside Assistance 12, 292
Roll bar 74, 491
Messages in display 408
Operating manually 423
Warning lamp 379
RON 319, 491
Rubber and plastic parts, Cleaning 371
Run Flat Indicator 491
Run Flat Indicator (Canada only) 342
S
Safety
Driving safety systems 87
Occupant 62
Reporting defects 18
Safety belts see Seat belts
Satellite radio* 222
Seat belts 69Automatic comfort-fit feature 72
Children in the vehicle 75
Cleaning 371
ETD 72
Fastening 45
Force limiter 72
Messages in display 409
Proper use of 47, 70
Safety guidelines 66
Telltale 25, 71, 379
Seating capacity 335
Seats, Multicontour* 121
Backrest contour 121
Backrest side bolsters 121
Cushion depth 121
Seats, Power 37, 119
Active head restraints 73
Adjustment 38
Easy entry/exit feature 42
Heating* 122
Memory function 124
Ventilation* 123
Selector lever see Gear selector lever
Self-test
OCS 82
Tele Aid 290
Page 508 of 514

507 Index
Service and Warranty Booklet
Loss of 467
Service and warranty information 10
Service intervals see
Maintenance, Service indicator
Service life, Tires 331
Service see Maintenance
Service System see
Maintenance service system
(U.S. vehicles) or FSS (Canada vehicles)
Service, Parts 466
Settings
Control system menus 142
Control system submenus 143
Date 154, 155
Factory, KEYLESS-GO* 103
Factory, SmartKey 98
Global, KEYLESS-GO* 103
Global, SmartKey 98
Individual vehicle 148
Memory function 124
Menus and submenus 141
Resetting all, Control system 148
Selective, KEYLESS-GO* 104
Selective, SmartKey 98
Time 153, 154Shelf below rear window, Cleaning 371
Shift lever position indicator 167
Shift lock 491
Shift program mode 172, 178
Shifting
Gear selector lever 48, 166
Gear selector lever positions 168
Shifting,
Automatic transmission 51, 166
Side marker lamps
Cleaning lenses 369
Messages in display 407
Replacing bulbs 438, 439
Side windows see Power windows
Sidewall 356
Ski sack* (Canada only) 273
Removing 276
Ski sack roller blind 273, 276
Unfolding and loading 273
Unloading and folding 275
SmartKey see Key, SmartKey 96
SmartKey with KEYLESS-GO* see
KEYLESS-GO*
Snow chains 360
Snow tires 359Soft top 255, 491
Cleaning 367
Emergency operations 425–433
Locking after raising/lowering 259
Luggage cover 262
Messages in display 410
Opening/closing 255
Opening/closing,
SmartKey 260, 261
Opening/closing,
Soft top switch 256, 257
Wind screen 263
Soft top switch 254, 256
Sound system* 209, 214
Spare fuses 413, 462
Spare parts service see Parts service
Spare wheel 416
Bolts 413, 418
Mounting 447
Sizes 476
Speedometer 25, 151
SRS 63, 70, 491
Indicator lamp 25, 63, 380
Message in display 409
Standard display, Selecting display 152
Page 509 of 514

508 IndexStanding lamps 127
Replacing bulbs 438, 439, 441, 442
Standing water, Driving through 314
Starter switch 23, 34
Positions 34
Starting difficulties, Engine 50
Starting, Engine 48
Status line, Selecting display 152
Steering column 41
Steering gear oil
Message in display 410
Steering wheel 41
Buttons 26
Cleaning 371
Gearshift buttons 175, 176
Gearshift control 175, 176
One-touch gearshifting 174
Stolen Vehicle Recovery services 296
Storage compartments 278
Armrest, Front 281, 282
Armrest, Rear 283
Cup holder 283
Glove box 278
Parcel net 280
Storage bags 280
Storage box 279Storing
Tires 332
Submenus see
Control system submenus 141
Sun visors 184
Supplemental Restraint System see SRS
Switching off
Parktronic system* 272
Switching on
Parktronic system* 272
Symbols used in
this operator’s manual 15
T
Tachometer 25, 138
Overspeed range 138
Tail lamps
Cleaning lenses 369
Messages in display 407
Replacing bulbs 439, 443
Tar stains 365
Technical data
Air conditioning refrigerant 481
Brake fluid 481
Capacities fuels,
coolants, lubricants etc. 479, 480
Coolant 480, 484Electrical system 477
Engine 470
Engine oil 481
Engine oil additives 481
Fuel capacity 480
Fuel requirements 482
Gasoline additives 483
Lubricants 479
Premium unleaded gasoline 482
Rims and tires 471
Tires, Mixed size 475
Tires, Same size 473
Tires, Spare wheel sizes 476
Vehicle dimensions 478
Weights 478
Windshield washer and headlamp
cleaning* system 480, 486
Tele Aid 29, 289, 492
Call priority 294
Emergency calls 290
Hands-free microphone 29
Information 293
Initiating an
emergency call manually 291
Messages in display 409
Remote door unlock 295
Page 510 of 514

509 Index
Roadside Assistance 292
SOS button 291
Stolen Vehicle
Recovery services 296
System self-check 290
Tele Aid System 289
Telematics* 492
Telephone* 26, 163, 288
Answering/ending a call 164
Hands-free microphone 29
Messages in display 411
Operation 163, 233
Phone book* 164
Redialing 165
TEL menu* 163
Temperature
Interior temperature 190, 200
Tightening torque, Wheel bolts 451, 492
Time 153
Time, Setting 153, 154
TIN 357
Tire and Loading Information
Placard 334
Terminology 355
Tire inflation pressure
Checking 339Tire inflation pressure see
the placard on the fuel filler flap
Tires 330, 471
Air pressure 355
Care and maintenance 331
Chains 360
Cleaning 332
Direction of rotation, Spinning 333
Driving instructions 311
Important notes,
Tire inflation pressure 340
Inflation pressure 320, 339, 341
Inflation pressure,
Information placard 339
Inspection 331
Load rating 357
MOExtended system* 452
Ply composition
and material used 357
Problems under-/overinflated 344
Retreads 330
Rims and tires 471
Rotation 358
Run Flat Indicator 342
Service life 331
Sizes 473Snow 359
Spare wheel 416, 447, 476
Speed rating 312, 348, 357
Storing 332
Temperature 354
Terminology 355
Tire Identification Number see TIN
Traction 312, 357
Tread 357
Tread depth 332, 359
Treadwear indicators 357
Wear pattern 358
Winter 359
Tools 413
Tow-away alarm 27, 94
Towing eye bolt 460
CLK 500, CLK 55 AMG 461
Towing the vehicle 458
Traction 312, 357
Transmission gear selector lever see
Gear selector lever
Transmission see Automatic transmission
Traveling abroad 315
Tread 357
Tread depth 332, 359
Treadwear indicators 357
Page 511 of 514

510 IndexTrip computer 161
Trip odometer 137
Trunk
Closing from inside 110
Fuse box 464
Lamp 135
Lid 108
Lock button, KEYLESS-GO* 106
Luggage cover 262
Message in display 412
Opening 108
Opening from inside 109
Trunk lid 110
Trunk lid emergency release 115
Unlocking in an emergency 420
Unlocking/opening,
KEYLESS-GO* 106
Unlocking/opening,
SmartKey 99
Valet locking 116
Turn signal lamps
Cleaning lenses 369
Messages in display 407
Replacing bulbs (Bi-Xenon*) 442
Replacing bulbs (Halogen) 441
Replacing bulbs (rear) 443Turn signals 53
Additional in mirrors 438
Bulbs 438, 439
Bulbs (Bi-Xenon*) 442
Bulbs (Halogen) 441
Bulbs (rear) 443
Cleaning lenses 369
Indicator lamps 25
Turning off engine 58
U
Uniform Tire Quality
Grading Standards 357
Units, Settings
Speedometer 151
Unleaded gasoline, Premium 482
Upholstery, Cleaning 372
Useful features 278V
Vacuum line routing diagram label 468
Vehicle
Battery 328, 453
Break-in the vehicle 306
Care 364
Control system, Settings menu 148
Dimensions 478
Jump starting 456
Locking/unlocking,
KEYLESS-GO* 33, 60, 100
Locking/unlocking,
SmartKey 32, 60, 96
Lowering 451
Modifications and alterations,
Operating safety 16
Towing 458
Unlocking/locking
in an emergency 419, 420
Washing 366
Weights 478
Vehicle capacity weight 357
Vehicle identification number see VIN
Vehicle jack 415, 448
Vehicle lighting 127, 320
Page 512 of 514

511 Index
Vehicle loading
Instructions 277, 333
Load limit 333
Terminology 355
Vehicle maximum load on the tire 357
Vehicle recovery services,
Stolen (Tele Aid) 296
Vehicle status message memory 146
Vehicle status messages 383
Vehicle system settings,
Control system 139
Vehicle tool kit 413
Vehicle washing 366
VIN 468, 492W
Warning indicators
Parktronic system*
(Canada only) 271
Warning sounds
Parking brake 51
Parktronic system*
(Canada only) 271, 272
Seat belt telltale 71
Warranty coverage 10, 467
Washer fluid see Windshield washer fluid
Washer reservoir level 480
Washing the vehicle 366
Wear pattern, Tires 358
Weights, Vehicle 478
Wheel
Bolts 418
Change 447
Collapsible wheel chock 416
Removing 449
Spare 416
Tightening torque 451
Wrench 448
Wheels, Sizes 473
Wheels, Tires and 330
Wind screen 263, 492Windows see Power windows
Windshield
Cleaning 55, 370
Defogging 192, 202
Windshield washer fluid 329, 486
Message in display 412
Mixing ratio 486
Refilling 329
Reservoir level 480
Wiping 55
Windshield washer system 480, 486
Windshield wipers 53
Cleaning wiper blades 370
Replacing wiper blades 444
Winter driving 359
Block heater (Canada only) 360
Snow chains 360
Tires 359
Winter driving instructions 313
Winter tires 359
Wood trims, cleaning 372
X
Xenon headlamps* see Headlamps