Page 477 of 506

475 Technical terms
PTC heating element
(P
ositive T
emperature C
oefficient)
Electronic component that warms up
quickly as electricity is supplied to it
and is used as a ->heater booster sys-
tem in diesel vehicles.
Restraint systems
Seat belts, belt tensioners, air bags and
child restraint systems. As indepen-
dent systems, their protective func-
tions complement one another.
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.SBC
(S
ensotronic B
rake C
ontrol)
Electronically controlled hydraulic
braking system for increased braking
safety and comfort.
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 ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided 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.
Page 478 of 506
476 Technical termsTire speed rating
Part of a tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.
Vehicle level control
The ground clearance of the vehicle is
automatically controlled according to a
selected setting and speed.The driver
can set the ground clearance manually
for example on very rough roads.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
Page 479 of 506

477 Index
A
ABS 85, 471
ABS control 86
Malfunction indicator lamp 356
Messages in display 369
Warning lamp 356
Accelerator position, automatic
transmission* 180
Accessory weight 337
Accident
In case of 54
Activating
Air conditioning (cooling) 201, 214
Air recirculation mode 199, 212
Anti-theft alarm system 94
Automatic climate control
(Dual-zone) 194, 195
Central locking (control system) 166
Defrosting 199
Distance warning function* 244
Distronic* 240
Easy-entry/exit feature* 167ESP 90
Exterior headlamps 50
Exterior lamps 134
Front fog lamps 136
Hazard warning flasher 138
Headlamps 50
High beams 137
Ignition 34
Ignition with KEYLESS-GO* 36
Immobilizer 56, 94
Rear fog lamp 136
Rear window defroster 191
Residual heat 202, 215
Seat heater* 128
Tow-away alarm 95
Windshield wipers 52
Adding
Engine oil 306
Additional turn signal 418
Adjustable air vents, rear passenger
compartment 216Adjusting 37
Air distribution 198, 210
Air volume 198, 211
Backrest tilt 38
Drive-dynamic seat* with multicontour
features 126
Exterior rear view mirror 41
Head restraint height 39
Head restraint tilt 39
Instrument cluster illumination 142
Interior rear view mirror 41
Mirrors 40
Seat cushion tilt 38
Seat fore and aft adjustment 38
Seat height 38
Seats 37
Steering column height 40
Steering wheel 39
Adjusting steering column in or out 40
Adjusting steering column up or down 40
Adjusting the dynamic seat 169
Page 480 of 506

478 IndexAir conditioning (cooling)
Turning off 201, 214
Turning on 201, 214
Air distribution
Adjusting 198, 210
Air pressure 337
Air pressure see Tire inflation
pressure 322
Air pump, electric 430
Air recirculation mode 199, 212
Activating 199, 212
Deactivating 200, 213
Air vents, rear passenger compartment
Adjustable 216
Air volume
Adjusting 198, 211
Airbags 61
Children 62
Front 65
Passenger 65
Safety guidelines 64
Side impact 66
Window curtain 66Airmatic DC (Dual Control)* 247
Alarm
Audible 84, 95
Canceling 95
Visual 94
Alarm system
Anti-theft 94
Alignment bolt (vehicle tool kit) 409,
427, 471
Antilock brake system (ABS) 471
Anti-theft alarm system
Arming 94
Canceling alarm 95
Disarming 95
Anti-theft systems 94
Anti-theft alarm system 94
Immobilizer 94
Tow-away alarm 95
Aquaplaning see Hydroplaning 291Ashtray 268
Aspect ratio 337
At the gas station 299
AUDIO menu 150
Selecting radio station 150
Selecting satellite radio* station 151
Audio system
CD mode 151
Auto-dimming
Automatic 186
Auto-dimming for rear view mirrors 186
Automatic central locking
Activating/deactivating (control
system) 166
Automatic climate control
4-zone automatic climate
control* 204
Dual-zone automatic climate
control 192
Temperature sensor 29
Page 481 of 506

479 Index
Automatic climate control (4-zone*) 204
Adjusting air distribution 210
Adjusting air volume 211
Air conditioning 214
Air recirculation mode 212
Deactivating 209
Defrosting 211
Maximum cooling MAX COOL 212
Rear air conditioning 216
Residual heat and ventilation 215
Setting the temperature 210
Automatic climate control (Dual-zone)
Adjusting air distribution 198
Adjusting air volume 198
Air conditioning 201
Air recirculation mode 199
Defrosting 199
Heater booster system 203
Residual ventilation 202
Setting the temperature 197
Automatic climate control*
Rear window defroster 191
Automatic headlamp mode 134Automatic lighting control
Activating 139
Automatic locking when driving 118
Automatic transmission 174
Emergency operation (Limp Home
Mode) 185
Gear ranges 177
Gear selector lever position 178
Gear shifting malfunctions 185
Manual shift program mode
(E 55 AMG) 183
Manual shifting 176
One-touch gearshifting 176
Program mode selector switch 179
Selector lever position 174
Starting the engine 46
Winter program mode 179
Automatic transmission*
Accelerator position 180
Kickdown 180
Kickdown, manual shift program (E 55
AMG only) 185B
Backrest
Folding forward 257
Folding rearward 258
Bar 337
BAS 87, 471
Batteries, SmartKey
Changing 415, 416
Check lamp 100, 106
Checking 101, 107
Batteries, SmartKey with KEYLESS-GO*
Changing 415, 416
Checking 101, 107
Batteries, vehicle
Charging 435
Disconnecting 434
Messages in display 370, 378, 379
Reconnecting 435
Removing 435
Service 433
Page 482 of 506

480 IndexBattery discharged
Jump starting 436
Bead 337
Bi-Xenon headlamps* 471
Bleeding the fuel system 432
Block heater* 342
Blocking
Rear window operation 83
Brake assist system (BAS) 471
Brake fluid 301, 382
Brake pads
Message in display 380
Brakes
Warning lamp 358
Break-in period 286Bulbs, replacing
Additional turn signals 417
Fog lamps 417
Front lamps 417, 420
High beam 418
High mounted brake lamp 418
License plate lamps 418, 422
Low beam 418
Parking lamps 418
Side marker lamps 417, 422
Standing lamps 418
Tail lamp 418
Tail lamp assemblies 422
Turn signal lamp 417
C
CAC (Customer Assistance Center) 471
Calling up
Distronic* settings 152
Maintenance service indicator 345
Range (distance to empty) 171
CAN system 471
Cargo tie-down rings 261
CD player
Operating 151Center console
Lower part 28
PASS AIR BAG OFF indicator
lamp 365
Upper part 27
Centigrade
Setting temperature units 157
Central locking
From inside 119
Switch 119
Switching on/off (control
system) 166
Unlocking from inside 119
Central locking switch 119
Changing
Batteries (SmartKey with
KEYLESS-GO*) 415, 416
Batteries (SmartKey) 415, 416
SmartKey setting 167
Vehicle level 249
Charging
Vehicle batteries 435
CHECK ENGINE malfunction indicator
lamp 359, 360
Page 483 of 506

481 Index
Checking
Coolant level 308
Oil level 301, 304
Tire inflation pressure 301
Vehicle lighting 301
Child safety 71
Airbags 62
Infant and child restraint systems 67,
71
LATCH child seat anchors 81
Child safety switch see Blocking of rear
window operation 83
Cigarette lighter 269
Cleaning
Headlamps 186, 350
Light alloy wheels 351
Parktronic* system sensor 351
side markers 350
tail lamps 350
turn signal lenses 350
Windshield 52
Wood trims 354
Cleaning tires 313Clock 160
Closing
Glove box 262
Panorama sliding/pop-up roof 227
Roller sunblinds 226
Side windows 219
Sliding/pop-up roof* 223
Trunk
Vehicle with KEYLESS-GO* 115,
116
Trunk lid 112
Windows 218
Closing the trunk lid 115, 116
Cockpit 22, 471
Cockpit management and data system
(COMAND) 472
Cold tire inflation pressure 337
Collapsible tire 457
Tire inflation pressure 429
COMAND 472
COMAND* see separate operating instruc-
tionsCombination switch 137
Turn signals 51
Windshield wipers 51
Control system 145, 472
AUDIO menu 150
Convenience submenu 167
Display digital speedometer 150
Distronic* menu 152
Functions 149
Instrument cluster submenu 157,
159
Lighting submenu 162
Menus 148, 149
Multifunction display 145
Multifunction steering wheel 146
Selecting radio system 150
Selecting satellite radio* system 151
Settings menu 154
Standard display menu 150
Submenus 147, 149
TEL* menu 171
Trip computer menu 170
Vehicle status message memory
menu 153
Vehicle submenu 166
Page 484 of 506

482 IndexConvenience submenu 167
Activating easy-entry/exit
feature* 167
Setting parking position for exterior
rear view mirror 168
Setting SmartKey-dependency 168
Coolant
Checking level 308
Messages in display 383, 384, 385
Temperature gauge 143
Warning lamp 361
Coolant temperature 298
Cruise control 231, 472
Canceling 233
Driving downhill 232
Driving uphill 232
Fine adjustment 234
Lever 239
Saving current speed 232
Setting speeds 234Cruise control lever 231
Cup holder in the center console 265
Cup holders 265
Curb weight 337
Customer Assistance Center (CAC) 471
D
Daytime running lamp mode 134
Setting 162
Deactivating
Air conditioning 201
Air recirculation mode 200, 213
Alarm 95
Anti-theft alarm system 95
Automatic climate control
(Dual-zone) 194, 195, 197
Central locking (control system) 166
Cruise control 233
Defrost 199, 211, 212
Distance warning function* 244
Distronic* 242
Engine with KEYLESS-GO* 57ESP 89
Exterior lamps 134
Hazard warning flasher 138
Headlamps 56
Immobilizer 94
Interior lighting delayed
switch-off 165
Manual shift program (E 55 AMG
only) 185
Rear window defroster 191
Residual heat 202
Seat heater* 127
Seat ventilation* 128
SmartKey
Turning off the engine 56
Tow-away alarm 96
Deceleration
With Distronic* 238
Defogging
Windshield 198, 211
Defrosting 199, 211