Mercedes-Benz R 350, Operator'S Manual

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533
Technical terms
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operation (S)
and comfort operation (C).
PSI
(Pounds per square inch)
(
컄
page 387)
Recommended tire inflation pressure
(
컄
page 387)
REST
(Residual Engine Heat Utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Restraint system
Seat belts, belt tensioner, air bags and
child seat restraint systems. As inde-
pendent systems, their protective func-
tions complement one another.
Rim
(
컄
page 387)
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.
Sidewall
(
컄
page 387)
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
Demand)
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 wheel
wrench) with which threaded fasteners
such as wheel bolts are tightened.