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Safety precautions when working on airbag: Notes

The safety precautions listed here will be updated as required and should always be consulted before performing repair work.

CAUTION:
  • Testing, removing, installing and repair work must only be performed by qualified, trained Service department personnel.
  • Always disconnect the battery Ground (GND) strap before working on the airbag system. → 27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL
  • Never use test lamp, voltmeter or ohmmeter for checking.
  • Airbag systems are only to be checked using vehicle diagnostic, testing and information system VAS 5051 A. Exception: Coil connector with slip ring
  • No waiting time is necessary after disconnecting the battery.
  • When connecting the airbag system to battery positive voltage (B+), there must be no person inside the vehicle.
  • A technician must be electrostatically discharged before picking up (touching) an airbag unit. This is accomplished by touching a suitable metal part, for example, a water pipe, a heating pipe or a metal frame.
  • Install a new airbag unit in the vehicle as soon as the unit is removed from the packaging. If the work is interrupted, place the airbag unit back in its packaging.
  • Do not leave an undeployed airbag unit unattended if work is interrupted.
  • Always place an airbag unit that has been removed from its packaging with the padded side facing upward.
CAUTION:
  • Airbag units which have dropped onto a hard surface or show signs of damage must not be installed in the vehicle.
  • Airbag units which have not been activated should be marked and returned to the manufacturer for disposal (use airbag unit transport container).
  • Always replace any airbag system component that has been mechanically damaged (example: dented or cracked).
  • The storage and transportation of airbag units must comply with the regulations for explosive substances.
  • Only install original seat covers that have been authorized for use with side airbags (recognizable by AIRBAG label).
  • Do not install commercially available loose fitting seat covers.
  • When installing a backrest cover ensure that the cover seam is straight in the area of the side airbag.
  • Replace all seat cover clips.
  • Only use original seat cover clips.
  • For safety reasons always replace the seat cover if it is damaged in area of the side airbag, e.g. torn, burn holes, etc.
  • Do not open or attempt to repair airbag components.
CAUTION:
  • Always use new components.
  • Airbag units have a limited service life (a sticker showing the replacement date is attached to the B-pillar).
  • When an airbag unit is replaced, pull the sticker off the new airbag unit and stick it over the old sticker on the B-pillar.
  • Airbag units and sticker must be replaced after 14 years.
  • If the vehicle does not have a sticker on the B-pillar, an entry must be made in the Service Schedule to record the airbag replacement.
  • Never treat airbag units with grease, cleaning agents or the like.
  • An airbag unit must never be exposed to temperatures in excess of 100 ° C (212 ° F) even for brief periods.
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