Mercedes Benz 2005 e 320 用户手册

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页码 506
475
Technical terms
PTC heating element
(Positive Temperature Coefficient)
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
(Research Octane Number)
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 
(Sensotronic Brake Control) 
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 position P 
without the ignition or engine on and 
brake pedal depressed.
SRS
(Supplemental Restraint System)
Seat belts, emergency tensioning de-
vice and air bags. Though independent 
systems, they are closely interfaced to 
provide effective occupant protection.
Tele Aid System
(Telematic Alarm Identification on De-
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.