Front seat adjustment switch group, component description - GF91.29-P-5220GZ

MODEL 164.1/8, 251 with CODE (242) Electrically adjustable front passenger seat with memory with CODE (275) Memory package (driver seat, steering column, mirrors) up to Model Year 8

Shown on driver seat switch group

Fig 1: Identifying Front Seat Adjustment Switch Group Components

Courtesy of MERCEDES-BENZ USA

Location

The driver seat adjustment with memory switch group is located in the front area of the seat cushion paneling of the driver seat on the exit side. The front passenger seat adjustment with memory switch group (S92) is located in the front area of the seat cushion paneling of the front passenger seat on the exit side.

Tasks (indicated on the driver seat switch group)

The seat can be adjusted electrically with the driver seat adjustment with memory switch group and driver seat adjustment switch. A previously stored position can be actuated via the memory button 1, 2, 3 switch. The following positions can be stored with the memory switch (e.g. driver seat):

Seat position
Position of electrically adjustable steering column
Position of both outside mirrors

Design (indicated on the driver seat switch group)

The driver seat adjustment with memory switch group is a composite component consisting of individual buttons for:

seat fore/aft switch (S22s3)
seat rear raise/lower switch (S22s4)
seat front raise/lower switch (S22s2)
backrest switch (S22s5)
Head restraint up/down (by actuating the backrest switch in the longitudinal direction)
Memory switch
Memory button 1, 2, 3 switch

Function (described for driver seat)

By pressing:

the driver seat adjustment with memory switch group or the driver seat adjustment switch, the driver seat can moved forward or back,
the driver seat adjustment with memory switch group or the driver seat adjustment switch, the rear seat height can be adjusted
the driver seat adjustment with memory switch group or the driver seat adjustment switch, the front seat height can be adjusted,
the driver seat adjustment with memory switch group or the driver seat adjustment switch, the head restraint can moved up or down,
the driver seat adjustment with memory switch group or the driver seat adjustment switch, the backrest can be adjusted,
the memory button 1, 2, 3, switch, the stored adjustment can be called up again;
the memory button 1, 2, 3, switch and memory switch, the adjusted seat positions can be stored;
the memory button 1, 2, 3 switch and the memory switch, the set steering column position and the position of the outside mirrors can be stored.

By actuating the driver seat adjustment with memory switch group, the adjustment requirements are sent to the driver-side front seat adjustment control unit with memory, which then correspondingly actuates the motors for driver seat adjustment, the steering column and the outside mirror (via the left front door control unit (N69/1)).

Function (described for passenger seat)

By pressing:

the front passenger seat adjustment with memory switch group or the front passenger seat adjustment switch (S23), the front passenger seat can be moved forward or back;
the front passenger seat adjustment with memory switch group or the front passenger seat adjustment switch, the rear seat height can be adjusted
the front passenger seat adjustment with memory switch group or the front passenger seat adjustment switch, the front seat height can be adjusted;
the front passenger seat adjustment with memory switch group or the front passenger seat adjustment switch, the head restraint can be moved up or down;
the front passenger seat adjustment with memory switch group or the front passenger seat adjustment switch, the backrest angle can be adjusted;
the memory button 1, 2, 3 switch (S92s14), the stored settings can be called up again;
the memory button 1, 2, 3, switch and the memory switch (S92s9), the adjusted seat positions can be stored.

When the passenger seat adjustment with memory switch group is actuated, adjustment requests are transmitted to the front passenger front seat adjustment control unit with memory (N32/2), which actuates the passenger seat adjustment motors correspondingly.