Page 5 of 474

Contents
Safety and Security........................... 63
Occupant safety................................... 64
Air bags .......................................... 66
Occupant Classification System ..... 71
Seat belts ....................................... 76
Children in the vehicle .................... 79
Panic alarm .......................................... 83
Activating ....................................... 83
Deactivating ................................... 83
Driving safety systems ......................... 84
ABS ................................................ 84
BAS ................................................ 86
ESP
®............................................... 86
Anti-theft systems................................ 90
Immobilizer..................................... 90
Anti-theft alarm system .................. 90
Tow-away alarm ............................. 91
Controls in detail............................... 93
Locking and unlocking ......................... 94
SmartKey ....................................... 94
Opening the doors from the
inside ............................................. 98
Opening the trunk .......................... 99
Closing the trunk.......................... 100
Valet locking ................................ 101
Trunk lid emergency release ........ 102
Automatic central locking ............ 102
Locking and unlocking from the
inside ........................................... 103
Seats ................................................. 104
Seat heating* ............................... 104
Lumbar support*.......................... 105
AIRSCARF neck-level heating* ..... 105
Memory function* ............................. 107
Storing positions into memory ..... 108
Recalling positions from
memory ........................................ 108Lighting ............................................. 109
Exterior lamp switch .................... 109
Combination switch ..................... 113
Corner-illuminating front
fog lamps* ................................... 114
Hazard warning flasher ................ 115
Interior lighting ............................ 116
Door entry lamps ......................... 117
Instrument cluster ............................. 118
Adjusting instrument cluster
illumination .................................. 118
Tachometer.................................. 119
Outside temperature indicator ..... 119
Resetting trip odometer ............... 120
Clock............................................ 120
Page 102 of 474

101 Controls in detail
Locking and unlocking
Valet locking
The lock is located next to the handle
above the rear license plate recess.1Neutral position
2Locked
Close the trunk (page 100).
Pull the mechanical key out of the
SmartKey (
page 394).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position 2 and remove the mechanical
key in that position to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(
page 99).
iDepending on vehicle production date, your
vehicle may be equipped with a feature that per-
mits separate locking and unlocking of the trunk
with the mechanical key. If present, this function
can permit you to deny any unauthorized person
access to the trunk, e.g. when you valet park the
vehicle. You can lock the trunk separately with
the mechanical key and leave only the SmartKey
less its mechanical key with the vehicle.
To verify the presence of this feature, use the
mechanical key to lock the trunk and then
attempt to open the trunk by pulling on the trunk
lid handle after the vehicle has been centrally
unlocked with the SmartKey.
iYou can only cancel the separate trunk
locking mode by means of the mechanical key.
Page 465 of 474

464 Index
G
Garage door opener* 270
Gasoline see Fuel
GAWR 331
Gear range
Automatic transmission 160
Limiting 160
Shifting into optimal 163, 165
Gear selector lever 155
Gearshift pattern 155
Position 156, 157
Shifting procedure 156
Gear selector lever one-touch gearshifting
Automatic transmission 162
Global locking/unlocking see SmartKey
Glove box 253
Good visibility 168
GPS 90, 91
Tele Aid system* 262
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GSM network phones (Telephone*) 219
GVW 331
GVWR 332H
Hard plastic trim items, cleaning 345
Hazard warning flasher 115, 116
Head restraint height (Seats) 42
Headlamps
Bi-Xenon* 401
Cleaning system* 168, 301, 458
Night security illumination
(Control system) 144
Switching off 61
Switching on 55
Headliner, cleaning 345
Head-thorax air bag 70
Heating
Seats* 104
Steering wheel* 276
High beam
Flasher 113
Headlamps 55, 113
Headlamps, bulbs 401
High beam headlamps 109
High mounted brake lamp 402
High-performance brake system 281
Hood 294
Horn 25
Hydroplaning 284I
Identification labels see Labels
Ignition (Position in starter switch) 37
Immobilizer see Anti-theft systems
Infant and child restraint systems see
Children in the vehicle
Instrument cluster 27, 118
Clock 120
Lamps, indicator and warning 348
Overview 26
Instruments and controls see Cockpit
Interior rear view mirror see Mirrors
Intermittent/interval wiping see
Windshield wipers
J
Jack (Vehicle tool kit) 389
Lifting vehicle 414
Lowering vehicle 420
Jump starting 426
K
Key, Mechanical
Valet locking 101
Kickdown 159
Kilopascal 332
Knee bag see Air bags
Page 472 of 474

471 Index
Tire ply composition and material
used 333
Tire speed rating 323, 333
Tire terminology 331
TIREFIT*
Instructions for use 408
Vehicle tool kit 389, 390
Tires 304, 442
Cleaning 306
Direction of rotation 307
Driving instructions 283
Flat tire 408
Important guidelines 304
Inflating with air pump 418
Low tire pressure telltale 356
MOExtended* 442
Mounting wheel 416
Removing wheel 416
Retreads 304
Rims and tires 442
Rotating 334
Run Flat Indicator* 315
Service life 305Sizes 442
Snow chains 336
Spare wheel 392, 447
Speed rating 285
Storing 306
Temperature 330
Tire Pressure Monitoring System
(TPMS)*, (USA only) 317
TPMS malfunction telltale 356
Traction 284
Tread depth 306, 335
Treadwear indicators (TWI) 283
Wear pattern 334
Wheel chock (Vehicle tool kit) 389
Winter 335
Tools see Vehicle tool kit
Tow-away alarm see Anti-theft systems
Towing (Vehicle) 428
TPMS (USA only) 317
Traction 88, 333
Transmission
Messages in the multifunction
display 364
Transmission see Automatic transmis-
sion* or Manual Transmission
Transporting the vehicle 92Traveling abroad 287
Tread 333
Tread depth 306, 335
Treadwear indicators 283, 333
Trip computer menu (Control
system) 148
Trunk 99
Lighting 116
Luggage cover 241
Trunk lid emergency release 102
Trunk lid lock 395
Valet locking 101
Turn signals 55, 401
Additional in mirrors 401
TWI see Treadwear indicators
U
Uniform Tire Quality Grading
Standards 333
Unlocking 36
Centrally from inside 103
In an emergency 269
With SmartKey 36
Upholstery
Cleaning 346