72 12 ... Procedure After Airbag Triggering As Result of an Accident

72 12 ... - Procedure after airbag triggering as result of an accident

Check and/or replace following components after airbag triggering:
Satellites (control unit + sensor)
- Components
- Satellite, A-/B-pillar, left/right
- Satellite, front door
- Satellite, rear seat
- Satellite, driver's/front passenger seat
- Satellite, vehicle center
- Procedure
- Read out fault memory
- Clamp off battery and observe waiting period
- Rectify faults
- Reconnect battery and observe waiting period
- Clear fault memory
- Turn off ignition and wait at least 2 minutes (no consumers may be switched on during this period such as e.g. inside lights, radio, etc.)
- Switch ignition on
- Clear fault memory and if necessary rectify faults
Cables and plugs
- Components and procedure
- Check cables and plugs for damage, replace if necessary.
Belt system
- Components
- Retractor mechanism
- Belt buckle tensioner
- Seatbelt height adjustment
- Procedure
- Check components, replace if necessary
Seats
- Components
- Seat
- Airbag module
- Active head restraint
- Procedure
- Check seats (function check of seat mechanism), replace if necessary
- Check seat screw/bolt connections
- Replace gas generator, active head restraint system
If the severity of the impact has not caused any other damage to the seat, only the triggered gas generator needs to be replaced.
External feature: The triggered head restraint is folded forwards and engaged.
The repair work can be carried out in the car with the rear panel removed. The entire system can be pushed back into its original position and the new gas generator installed.
The gas generator can be replaced up to 5 times.
- Replace airbag module and seat cover with padding
Driver's airbag
- Components
- Airbag module
- Steering wheel
- Steering column
- Procedure
- Replace faulty components
Passenger airbag
- Components
- Airbag module
- Instrument panel trim
- Supporting tube (if damaged)
- Procedure
- Replace faulty components
Side airbag, front/rear
- Components
- Airbag module
- Door trim panel
- Door in white
- Seat
- Procedure
- Replace faulty components
Head airbag (AHPS)
- Components
- Airbag module
- Trim, A-pillar
- Roofliner
- Trim, B-pillar (if damaged)
- Trim, C-pillar (if damaged)
- Connection/mounting (on side frame)
- Procedure
- Replace faulty components
Knee airbag
- Components
- Panel (driver's side)
- Lower section of glovebox
- Active knee protector (driver's and passenger sides)
- Procedure
- Replace faulty components
Passive knee protector
- Components
- Panel (driver's side)
- Glovebox incl. knee protector (passenger side)
- Procedure
- Replace faulty components
- Check fastening elements