Page 474 of 498

473 Technical terms
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to
adjust settings.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Distronic*
A driving convenience cruise control
system which helps the driver maintain
a pre-selected speed:
If there is no vehicle directly ahead,
the system operates in the same
way as conventional ->cruise con-
trol.
If a slower moving vehicle is ahead,
Distronic will reduce your vehicle
speed to the extent permitted by
reduced throttle and up to 20%
braking power to maintain the pre-
set minimum following distance.
DOT
(Department o
f Transportation)
(
page 332)
DTR
(->Distronic*)
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.Engine oil viscosity
Measurement for the inner friction
(viscosity) of the oil at different temper-
atures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
®(Electronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem’s threshold to tighten the seat
belts.
->SRS
Page 478 of 498

477 Technical terms
Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being moved out of positionP
without the ignition or engine on and
brake pedal depressed.
SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and air bags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.Tele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially
activated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational
provided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.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 334)
Tire load rating
(page 334)
Tire ply composition and material used
(page 334)
Tire speed rating
(page 334)
Traction
(page 334)
Tread
(page 334)
Page 484 of 498

483 Index
Door
Entry lamps 143
Message in display 382
Remote door unlock (Tele Aid) 269
Door control panel 32
Door handle 32
Doors
Opening from inside vehicle 111
DOT 332, 473
Drinking and driving 279
Drive-dynamic seat* 127
Driving
Abroad 287
Hydroplaning 283
In winter 285
Instructions 46
Problems 56
Safety systems 84
Systems 222
Through standing water 287
Driving hints
Electro-hydraulic brake system 92
Driving instructions 279
Driving off 282Driving safety systems
ABS 84
BAS 86
Electro-hydraulic brake system 89
ESP
®
86, 473
Driving systems 222
Airmatic DC 238
Cruise control 222
Distronic* 226
Driving safety systems 84
Vehicle level control 239
DTR see Distronic*
Dual control
Airmatic DC 238
E
Easy-entry/exit feature* 42
Electric air pump 427
Electrical fuses see fuses
Electrical system, Technical data 458Electro-hydraulic brake system 89, 476
Activation 90
Deactivation 91
Driving hints 92
Messages in display 375, 376
Self-check 91
Warning lamp 89
Electronic Stability Program see ESP
®
Emergency calls
Tele Aid calls 263
Emergency operation
(Limp-Home Mode) 190
Emergency operations 406
Fuel filler flap 404
Gear selector lever, Unlocking 404
Locking/unlocking the vehicle 402
Power tilt/sliding sunroof,
manual operation 406
Remote door unlock 269
Trunk lid, Releasing trunk from
inside 120
Trunk lid, Unlocking 403
Emergency tensioning device see ETD
Page 485 of 498

484 IndexEmission control 289
Emission control information label 446
Emission control system warranties 10
Emission control vacuum line routing
diagram label 446
Engine 448
Belt layout 447
Block heater* (Canada only) 337
Break-in recommendations 278
Cleaning 344
Compartment 293
Malfunction indicator lamp 355
Maximum engine speed 448
Number 473
Starting 49
Technical data 448
Turning off with the key 60
Engine compartment
Hood 293Engine oil
Adding 296
Additives 464
Changing 464
Checking level 294
Consumption 294
Filler neck 297
Messages in display 295, 382, 383
Recommended engine oils rand
oil filters 464
Viscosity 473
Engine oil level 295
ESP
®
86, 473
Synchronizing 368
Warning lamp 353
ETD 73, 473
Safety guidelines 68
Exterior lamp switch 134
Exterior rear view mirrors 44
Parking position 169, 192F
First aid kit 398
Flat tire 419
Collapsible tire 426, 427
Jacking up the vehicle 425
Lowering the vehicle 429
Mounting the spare wheel 423, 426
Preparing the vehicle 419
Spare wheel 423
TIREFIT kit* 419
Flexible Service System
(Canada vehicles) 339
Flexible Service System (FSS) 474
Floormats 260
Fog lamp, rear 138
Fog lamps
Messages in display 387, 388, 389,
390
Fog lamps, front
Switching on 137
Front lamps 412
Replacing bulbs 414
Switching on 134
Page 488 of 498

487 Index
L
Labels 446
Lamp bulbs, exterior 411
Lamps, exterior
Front 412
Messages in display 387
Rear 412
Replacing bulbs for rear 416
Lamps, indicator and warning
ABS 352
Air bag Off 69
Battery (SmartKey with
KEYLESS-GO*) 107
Battery (SmartKey) 101
Brakes 354
Coolant 357
DTR* 229, 235
Electro-hydraulic brake system 89
Engine diagnostics 355
ESP
®
353
Fog lamps 137
Front passenger front air bag off 78
Fuel reserve 358
Seat belts 358
SRS 65Language, Setting 160
LATCH child seat anchors 81
Layout of poly-V-belt drive 447
Leather upholstery, Cleaning and
care of 350
License plate lamps 412
Messages in display 388
Replacing bulbs 416
Light alloy wheels, cleaning 348
Lighter see Cigarette lighter 258
Lighting 134
Automatic headlamp mode 135
Combination switch 138
Daytime running lamp mode 136
Door entry lamps 143
Exterior lamp switch 134
Fog lamps 137
Front fog lamps 137
High beams 138
Instrument cluster illumination 144
Interior 141
Locator lighting 136
Low beam 134
Manual headlamp mode 135
Night security illumination 136Parking lamps 134
Rear fog lamp 138
Settings (control system) 164
Trunk lamp 143
Limp-Home Mode 190
Loading 246
Instructions 247
Loading the vehicle 304
Locator lighting 136, 165
Lock button 62, 218
Locking 58, 98
Locking knob 474
Loss of SmartKey with
KEYLESS-GO* 111
Loss of SmartKeys 103
Low beam headlamps 53
Replacing bulbs 414
Switching on 53
Lumbar support 125
Page 490 of 498

489 Index
Electro-hydraulic brake system 375,
376
Engine oil 382, 383
ESP
®
368
Fog lamps 387, 388, 389, 390
Hood 384
Light sensor 389
Maintenance service 392
Parking brake 375
Parking lamps 388
Power tilt/sliding sunroof 392
Reserve fuel 384
Seat belts 392
SmartKey with KEYLESS-GO* 385,
386
SRS 393
Taillamps 390
Tele Aid 393
Telephone* 396
Tires 370, 395
Trunk 396
Turn signals 391
Windshield washer fluid 396
Multifunction steering wheel 26, 148,
475
Button operation 148N
Navigation system
See separate COMAND operating
instructions 155
Night security illumination 136
Normal occupant weight 333
O
Occupant distribution 333
Occupant safety 64
Air bags 65
Children and air bags 66
Children in the vehicle 75
Fastening the seat belt 46
Infant and child restraint systems 76
LATCH-type child seat anchors 81
Seat belts 46, 68
Oil
Consumption 294
Viscosity 473
Oil see Engine oil
One-touch gearshifting 183
Opening
Fuel filler flap 290
Operating safety 16
Ornamental moldings, cleaning 345Outside temperature indicator 146
Overdue maintenance service 339
Overhead control panel 29
Overspeed range, engine 475
P
Paintwork, Cleaning 343
Panic alarm 83
Parking 58
Parking brake 51, 59
Message in display 375
Parking lamps 412
Replacing bulbs 415
Switching on 134
Parking position
Exterior rear view mirrors 133
Parktronic 242
Activating/deactivating 245
Minimum distance 243
Range 242
Warning indicators 244
Parktronic system (Parking assist)* see
Parktronic
Page 492 of 498

491 Index
Rear passenger compartment
Air vents 210
Rear storage compartment in the rear
center console 253
Rear view mirrors auto-dimming 191
Rear view mirrors see Mirrors
Rear window defroster 195
Rear window sunshade* 194
Recommended tire inflation
pressure 333
Regular checks 291
Releasing seat belts 60
Remote control
SmartKey 98
Remote controls
SmartKey with KEYLESS-GO* 103
Remote door unlock (Tele Aid) 269
Replacing bulbs
Front lamps 414
High beam headlamps 415
License plate lamps 416
Low beam headlamps 414
Parking lamps 415
Tail lamps 416
Turn signal lamp 415Reporting safety defects 18
Reserve fuel
Message in display 384
Reset button in the instrument
cluster 158
Reset tool
Despositori 407
Resetting
Maintenance service indicator 341
Restraint system see Infant and child
restraint systems
Rims 333
Roadside assistance 12, 265
RON 291
RON (Research Octane Number) 476
Roof rack* 246
Rotating tires 335
Rubber parts, cleaning 349
Run Flat Indicator* 314S
Safety
Driving safety systems 84
Occupant 64
Reporting defects 18
Safety belts see Seat belts
Seat belt force limiter 73
Seat belts 70
Cleaning 350
Fastening 46
Messages in display 392
Proper use of 48, 72
Safety guidelines 68
Telltale 358
Seat cushion depth
Adjusting 126
Seat heating*
Switching off 129
Switching on 129
Seat ventilation*
Switching off 130
Switching on 130
Seating capacity 306