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C-pillar support > < Servicing head airbag

A2

Removing and installing head airbag
   
Removing and installing head airbag
  WARNING
Always consult current safety precautions for working on airbags → Chapter.
  WARNING
Always consult current head airbag safety regulations → Chapter.
  Note
Establish radio code before disconnecting battery.
1 - Head airbag
t  Removing
–  On vehicles with encoded radio/radio navigation system (RNS), heed and if necessary establish code.
–  Disconnect battery earth strap/cable and cover negative terminal.
–  Remove rear cross panel trim → Chapter.
–  Remove rear seat bench  → Chapter.
–  Remove wheel housing trim → Chapter.
–  Remove luggage compartment floor lining → Chapter.
–  Remove luggage compartment trim → Chapter.
–  Remove D-pillar trim → Chapter.
–  Remove C-pillar trim → Chapter.
–  Remove upper B-pillar trim → Chapter.
–  Remove upper A-pillar trim → Chapter.
–  Remove moulded headliner → Chapter.
–  Unscrew bolts -5- (2x) → Fig.
–  Unscrew bolts -2- (3x).
–  Set down front section of airbag module on seats.
–  Unplug connector -6- for head airbag → Fig.
–  Swivel gas generator -7- out of D-pillar → Fig.
–  Take head airbag -1- out of vehicle.
  WARNING
Always keep to head airbag installation sequence.
t  Installing
–  Take head airbag -1- out of transportation container and secure head airbag -1- in the following sequence.
–  Swivel gas generator -7- into D-pillar → Fig.
–  Screw in bolts -2- (3x) loosely at tab -3-.
–  Screw in bolts -5- (2x) → Fig.
–  Screw in bolts -2- (3x) firmly at tab -3-.
–  Perform remaining installation operations in reverse order of removal.
–  Switch on ignition.
  WARNING
Make sure there is no-one in the vehicle when connecting battery.
–  Connect battery.
2 - Bolts (3x)
q   Tightening torque 4.5 Nm
q   Use riveting tool to re-tighten threaded bushings if loose.
3 - Tab
4 - Spacers
q   Part of head airbag scope of delivery
5 - Bolts (2x)
q   Tightening torque 4.5 Nm
q   Use riveting tool to re-tighten threaded bushings if loose.
6 - Connector for head airbag
7 - Gas generator

   
Gas generator to D-pillar
–  Bolts -5- (2x)
–  Tightening torque 4.5 Nm
–  Swivel gas generator -7- into D-pillar.
1 - Head airbag
6 - Airbag connector
7 - Gas generator
  A69-0242
Unplugging connector for head airbag
–  Press release mechanism -A- and pull out connector in direction of arrow.
1 - Retainer for connector
  Note
t  Coil connector with slip ring is only to be removed and installed in centre position (wheels in straight-ahead position).
t  New coil connectors with slip ring are secured in centre position with a cable tie or tear-off ring.
t  ESP sensor must be calibrated on vehicles with ESP sensor in coil connector with slip ring. → Vehicle diagnosis, testing and information system VAS 5051
  A69-0182

C-pillar support > < Servicing head airbag