Front Seat Backrest Adjustment Motors

Power Front Memory Seats, S6

Rest of world: vehicles from 06/06

Versions for specific countries: vehicles from 08/06

• Modular wiring routing came into effect with series production of seats.

• Check version of front seat and of vehicle and perform repairs accordingly.

• Note the two possible versions of the modular wiring routing, Modular Light or Modular => [ Modular Wiring Routing Versions ] Standard Front Seats Overview.



Front Seat Backrest Adjustment Motors

Removing

CAUTION!
Observe safety precautions for work on airbags => [ Airbag Inspection ] .

- Remove seat => [ Front Seat ].

- Attach front seat to Fixture For Seat Repair (VAS 6136) => [ Front Seat, Installing on Fixture for Seat Repair VAS 6136 ] Power Front Memory Seats, S6 Overview.

- Remove the sill side trim and assembly cover => [ Trim and Assembly Cover, Sill Side ].

- Remove the tunnel side trim => [ Trim, Tunnel Side ].

- Remove backrest cover panel => [ Backrest Cover ].

- Disconnect connector - 5 - at backrest adjustment motor - 1 -.





- Pull cover - 3 - and anti-crush fleece - 2 - aside.

- Remove the bolt - 4 -.

- On backrest motor side, pry out spring washer - 1 - with a screwdriver.





- Tap shaft - 2 - through the side of the backrest frame using a hammer and drift punch.

- Remove shaft - 2 - from backrest frame far enough so fore and aft adjustment motor can be removed.

Installing

CAUTION!
Observe safety precautions for work on airbags => [ Airbag Inspection ] .

- Using a screwdriver, turn the locking pin of splines - 1 - so it aligns with shaft of backrest frame.





- Slide shaft through backrest adjustment motor and backrest frame.

- Place a wood block - 1 - under shaft on side opposite of backrest adjustment motor.





- Drive spring washer - 2 - onto shaft - 3 - using a socket insert (11 mm) - 1 -.





- Install bolt on backrest adjustment motor and tighten to specified tightening specification.

- Connect connector to backrest adjustment motor.

Further installation is performed in the reverse order of removal. Observe the following when doing so:

CAUTION!
Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching door striker, for example.

• Ensure that electrical connections are pushed in as far as stop and engage with a click.

- Switch on ignition.

CAUTION!
Ignition must be on when connecting battery. If pyrotechnic components (e.g. airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.

- Connect battery with ignition on

- If Airbag Malfunction Indicator Lamp (MIL) (K75) indicates a fault after installation, DTC memory must be checked, deleted and checked again.

Tightening specifications => [ Front Seat Backrest Adjustment Motors Assembly Overview ] Power Front Memory Seats, S6 Overview