Mercedes-Benz M-Class 2006 Owners Manual User Manual
Page 506

505
Technical terms
Production options weight
(
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page 366)
PSI
(Pounds per square inch) (
୴
page 366)
Recommended tire inflation pressure
(
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page 366)
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 systems
Seat belts, belt tensioner, air bags and
child restraints, lower anchors and
tethers for children (LATCH). As inde-
pendent systems, their protective func-
tions complement one another.
Rim
(
୴
page 367)
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
(
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page 367)
SRS
(Supplemental Restraint System)
Air bags, air bag control unit (with
crash sensor), emergency tensioning
device. 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
activated 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.