GF91.29-P-5213RI Seat Adjustment Motor, Component Description

GF91.29-P-5213RI Seat Adjustment Motor, Component Description
- as of model year 2009 [models 230.4 except 230.479]
- with CODE (P99) Special model "AMG Black Series" [model 230.479]
- with CODE (494) USA version [model 230.479]
- as of model year 2009 except CODE (P99) [model 230.479]

Front seat adjustment motor group shown on front passenger seat

Component Identification:

Location
The left front seat adjustment motor group with memory (M27) and the right front seat adjustment motor group with memory (M28) are located under the seat frame and in the backrest.

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

Function
The seat adjustment motors are actuated by the left front seat adjustment control unit with memory (N32/1) or the right front seat adjustment control unit with memory (N32/2).

A Hall sensor is located on each seat adjustment motor for position recognition.