B. Version W/O Memory Control/Adjusting Seat, Backrest and Head Restraint

Version without memory control for adjusting seat, backrest and head restraint as of 06/90

Function






The seats can be adjusted by a switch combination which is installed in the door trim.

Note: The wiring harness is connected to the switch by four plug connectors.
The switch can be removed without removing the door trim.







Seat and head restraint adjustment switch

S23 Front right seat adjustment switch
S23s1 Head restraint high/low
S23s2 Seat height front
S23s3 Seat forward/back
S23s4 Seat height rear
S23s5 Backrest






A group of three motors is fitted in the frame of the seat for forward/back and height adjustment.






The motors operate at 3 shafts which in turn drive a gear (1) which performs the adjustment.






A further motor (M7m5) is installed in the frame of the backrest for directly moving the backrest forward and back through a gear.


- M7m5 Backrest







Head restraint adjustment motor The motor (M7ml) for adjusting the head restraint is installed in the frame of the backrest. The head restraint is adjusted by a rack (20) which is driven by the motor through a shaft (21).


- M7m1 Head restraint high/low
- 14a Potentiometer