Removing and installing front seat - RA91001290100X(91-100)

Roadster soft top open or hardtop removed

Front seat cushion removed (91-055) 

Operation no. of operation texts and work units or standard texts and flat rates

Front seat (1)	move all the way to the front with forward/ backward adjustment mechanism.
Screws (2, 3, 4, 7 and 8) (5 each)	unscrew on rear of seat rail at left and right. 17 Nm.
Screw (9) (1 each)	unscrew at front on right seat rail. 17 Nm.
Front seat (1)	allow to run toward rear with forward/backward adjustment mechanism.
Screws (5 and 6) (2 each)	unscrew at center and front of left seat rail. 17 Nm.
Ignition key	turn to zero position.
Negative pole on battery	disconnect and cover.
Red 10-pin connector in footwell	disconnect.
Connectors on control module (12)	disconnect, open cable straps and expose cable.
Front seat (1)	when removing first tilt toward outside and then lift out of vehicle together with a second person.
Reinstall	in opposite order. Observe installation note.

Installation note 

The threads on the seat mounting screws (8 each) are micro-encapsulated. Following disassembly they must be replaced or coated with screw securing agent. Tightening torque: 17 Nm.

Observe the following sequence when tightening seat mounting bolts:

1. All bolts on outer seat rail on longitudinal member.
2. Both rear bolts on inner seat rail on tunnel floor.
3. Front bolt on inner seat rail on tunnel floor. Compensate gap resulting here between seat rail retaining bracket and tunnel floor console with washer, part no. 129 984 00 56.

Vehicles with airbag 

When one or both front seats are removed (connectors to seat belt buckles must be disconnected) the SRS malfunction indicator lamp comes on when the ignition key is in position 1 or 2 and goes out when the seats are reinstalled after reconnecting the disconnected connectors.

This is stored as a malfunction in the control module for the airbag and emergency tensioning retractors. The memory must be erased after reinstalling the seats (Diagnosis Manual, Body, Volume 1, Index no. 11 Airbag).

Checking emergency tensioning retractors after removing or installing one or both front seats 

• Emergency tensioning retractors  (standard), Diagnosis Manual, Body, Volume 1, Index no. 12
• Airbag  Diagnosis Manual, Body, Volume 1, Index no. 11

Commercially available tools	e.g. company
Attachment for T40 Torx socket bolts	Eduard Wille GmbH & Co. Postfach 12 01 03 5000 Wuppertal 12 Tel. (0202)-4791-0 Telex: 8591413

Removal, installation 

1. Move front seat to front position with forward/backward adjustment mechanism.
2. Unscrew screws (3 each) at rear on left seat rail (arrows). Use attachment for T40 Torx socket bolts.
   Fig 2: Locating Seat Rail Screws

   
3. Unscrew screws (2 each) at rear on right seat rail.
   Fig 3: Locating Right Seat Rail Screws

   
4. Unscrew screw (1 each) at front on right seat rail.
5. Move front seat all the way to the rear.
   Fig 4: Identifying Right Seat Rail Screw

   
6. Unscrew screw (1 each) on left seat rail (arrow).
   Fig 5: Identifying Screw

   
7. Unscrew screw (1 each) at front on left seat rail.
8. Turn ignition key to 0 position.
9. Disconnect negative pole on battery and cover.
10. Disconnect red 10-pin connector in footwell.
    Fig 6: Identifying Left Seat Rail Screw

    
11. Disconnect connectors from control module. Expose cable.
12. Tilt front seat outwards and lift out of vehicle together with second person.
13. Reinstall in opposite order. Observe installation note.
    Fig 7: Locating Connectors

    

Seat mounting points on longitudinal member.

Seat mounting points on floor assembly - tunnel area.