Notes on supplemental restraint system
84
Design
Introduction of smart fortwo electric drive (3rd Generation) • Model Series 451
Airbag or emergency tensioning retractor
units
Before performing work on the airbag or emer-
gency tensioning retractor units, which requires
intervention in their electric circuits (e.g. disas-
sembly), the high-voltage system must always be
deenergized.
The vehicle may only be deenergised by an "Elec-
trical specialist for HV systems in motor vehicles
(series production vehicles)".
i Note
Airbag or emergency tensioning retractor units
which have been dropped from a height of over
0.5 m must be replaced.
Do not allow airbag or emergency tensioning
retractor units to come into contact with grease,
oil or cleaning agents.
To allow emergency tensioning retractor units to
be installed without damage or soiling, they are
fitted with a PVC protective hose. After installa-
tion, these protective components can be
removed. No sharp-edged tools may be used for
removal to prevent damaging the belt strap.
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