Assembly overview – curtain airbag
Overview shown for left side of vehicle as an example
1 - Electrical connector
2 - Curtain airbag
❏ With driver side curtain airbag igniter -N251- or front passenger side curtain airbag igniter -N252-
❏ → Rep. gr.69; Removing and installing curtain airbag with igniter
3 - Bolt
❏ Renew after removing
❏ 4.5 Nm
4 - Twist prevention line
5 - Retaining clip
❏ Qty. 8
6 - Curtain airbag
Removing and installing curtain airbag with igniter
Special tools and workshop equipment required
♦ release tool -VAS 1978/17-
Curtain airbag with driver side curtain airbag igniter -N251- or front passenger side curtain airbag igniter -N252- is referred to hereafter as curtain airbag.
Removal and installation are described for the left side of vehicle as an example.
Removing
– Disconnect battery earth cable → Electrical system; Rep. gr.27; Battery; Disconnecting and connecting battery.
– Remove moulded headliner → Rep. gr.70; Removing and installing moulded headliner.
– Detach retaining clips in retaining tabs for curtain airbag from body.
– To do this, carefully fit release tool -VAS 1978/17- -1- into opening -A- in straight line with “spoon” -arrow- as far as stop.
– At same time, pull left side of retaining clip out of body.
– Pull release tool -VAS 1978/17- -1- out again and ensure that released side of retaining clip does not engage again.
– Turn release tool -VAS 1978/17- -1- by 180°.
– Repeat procedure at opening -B-.
CAUTION
Pyrotechnic components can trigger unintentionally.
Risk of injury.
– Discharge any static electricity in body by briefly touching door striker plate.
– Release connector lock.
– Disconnect electrical connector.
– Unscrew bolt -2-.
– Remove curtain airbag -1-.
Installing
Install in reverse order of removal, observing the following:
CAUTION
It is possible to trigger pyrotechnic components unintentionally.
Risk of injury
– Discharge static electricity by briefly touching door striker plate.
– Engage curtain airbag -1- in direction of -arrow A-.
– Engage curtain airbag -1- in direction of -arrow B-, and tighten bolt.
Important
● The twist prevention line must be visible throughout the entire length of the curtain airbag.
– Clip in curtain airbag -1- on body without twisting, starting at igniter and working towards front and towards rears.
– Pull curtain airbag -1- downwards at fasteners to make sure it is seated securely.
Connect electrical connector until it engages audibly.
– Connect electrical connectors.
– Lay the electrical cable in such a way that it cannot be jammed.
Continued
CAUTION
It is possible to trigger pyrotechnic components unintentionally.
Risk of injury
– Discharge static electricity by briefly touching door striker plate.
– Fit electrical connector -1- in direction of -arrow A-.
– Engage connector lock -2- in direction of -arrow B-.
– Connect battery earth cable → Electrical system; Rep. gr.27; Battery; Disconnecting and connecting battery.
CAUTION
Pyrotechnic components can trigger unintentionally.
Risk of injury.
– Keep far away from pyrotechnic components when switching on ignition.
– Switch on ignition.
– Read and clear event memory using → Vehicle diagnostic tester.
Tightening torques
♦ → Rep. gr.69; Assembly overview – curtain airbag
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