Mercedes-Benz SL-Class 2006 Owners Manual User Manual

Page 459

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458

Technical terms

Retractable hardtop

Hardtop roof that can be opened and
closed at the push of a button and
stored in the trunk.

Rim

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page 312)

Roll bar

Occupant protection system which
consists of tubular steel sheathed in
plastic. The roll bar is lowered into the
car body during normal driving condi-
tions and raised automatically. It may
also be manually raised and lowered by
operating a button during critical driv-
ing situations.

RON

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.

Shift lock

When the vehicle is parked, this lock
prevents the gear selector lever from
being inadvertently moved out of posi-
tion P without SmartKey turned and
brake pedal depressed.

Sidewall

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page 312)

SRS

(Supplemental Restraint System)
Seat belts, emergency tensioning de-
vice and airbags. 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.

Tightening torque

Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.

TIN

(Tire Identification Number)
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page 312)

Tire load rating

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page 312)

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