GF91.29-P-5219FA Front Seat Adjustment Motor Group With Memory, Component Description

GF91.29-P-5219FA Front Seat Adjustment Motor Group With Memory, Component Description

- with CODE (275) Memory package (driver seat, steering column, mirrors)
- with CODE (242) Electrically adjustable front passenger seat with memory
- as of model year 09/YoM 08 model refinement package







M27 Driver seat adjustment motor group with memory
M27m1 Fore/aft motor
M27m2 Rear up/down motor
M27m3 Front up/down motor
M27m4 Head restraint up/down motor
M27m5 Backrest motor
M28 Front passenger seat adjustment motor group with memory
M28m1 Fore/aft motor with code (242)
M28m2 Rear up/down motor with code (242)
M28m3 Front up/down motor with code (242)
M28m4 Head restraint up/down motor with code (242)
M28m5 Backrest motor with code (242)

Location
The motors are mounted in each seat at the bottom in the seat frame and in the backrest.

Task
Implementation of the following adjustments:
- Seat lengthwise adjustment
- Backrest adjustment
- Seat height adjustment front
- Seat height adjustment rear
- Head restraint adjustment

Function
The seat adjustment motors are actuated by the driver-side front seat adjustment control unit with memory (N32/1) or passenger-side front seat adjustment control unit with memory (N32/2).
A Hall sensor is located on each seat adjustment motor for position recognition.