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 492 of 506

490 IndexMaintenance service
Calling up the maintenance service
indicator 345
Maintenance service data
information 347
Overdue 343, 344
Resetting maintenance service
indicator 345
Service type A - H 343
Types 343
When due 343
Maintenance service indicator 343
Calling up 345
Clearing 344
Resetting 345
Maintenance Service System 343
Maintenance System (U.S. vehicles) 473
Malfunction
Displaying 153
MANUAL
Shift program mode (E 55 AMG) 183
Manual headlamp mode 134
Manual operations
Fuel filler flap 412
Sliding/pop-up roof* or panorama slid-
ing/pop-up roof* 414Unlocking the driver’s door 410
Unlocking the transmission lever 412
Unlocking the trunk lid 411
Manual shift program (E 55 AMG only)
Deactivating 185
Massage function 127
MAXCOOL maximum cooling 212
Maximum inflation pressure 338
Maximum load rating 338
Maximum loaded vehicle weight 338
Mechanical key 410
Memory function 130, 474
Recalling positions from
memory 131
Storing exterior rear view mirror park-
ing positions 132
Storing SmartKey dependent
settings 131
Menus 148
AUDIO 150
Distronic* 152, 238
In control system 148, 149
Settings menu 154
Standard display 150
Submenus 147
TEL* 171Trip computer 170
Vehicle status message memory 153
Miles/kilometers in speedometer
Setting 157
Mirrors
Adjusting 40
Auto-dimming for rear view
mirrors 186
Exterior rear view mirror 41
Exterior rear view mirror parking
positions 168, 187
Interior rear view mirror 41
Storing exterior mirror parking
position 132
MON 300
MON (Motor Octane Number) 474
Mph or km/h in speedometer 157
Multifunction display 145, 474
Selecting language 158
Standard display 149
Page 496 of 506

494 IndexRemote door unlock
With Tele Aid* 278
Removing
Ski sack 257
Vehicle battery 435
Wheel 427
Wiper blades 424
Removing and installing
Front seat head restraints 123
Replacing
Bulbs 417
Front lamp bulbs 420
Fuses 443
License plate lamp bulbs 422
Rear lamp bulbs 418, 422
Side marker lamp bulb 422
Wiper blades 423
Reporting
Safety defects 18Reprogramming
integrated remote control 284
Reset button in the instrument
cluster 154
Resetting
All functions (control system) 154
All functions of a submenu 155
Fuel consumption 170
Maintenance service indicator 345
Service indicator (FSS) 346
Trip odometer 143
Residual heat and ventilation 215
Residual heat utilization 202
Residual ventilation 202
Restraint system see Infant and child re-
straint systems 71
Rim 338
Rims and Tires 453
Roadside Assistance
Tele Aid* 271
Roadside assistance 12
Rolling code programming 282
RON 300RON (Research Octane Number) 475
Roof rack* 254
Rotating tires 340
Rubber parts
Cleaning 354
S
Safety
Occupant 60
Safety belts see Seat belts 43
Safety defects
Reporting 18
Safety systems
Driving 85
Saving current speed 232
SBC 90
SBC brake system 475
Activation 91
Deactivation 92
Driving hints 92
Messages in display 380, 381
Self-check 92
Warning lamp 90
Seat belt force limiter 70