Save/call up seat position, function - GF91.29-P-2006GZ

MODEL 164, 251 with CODE (275) Memory package (driver seat, steering column, mirrors) with CODE (242) Electrically adjustable front passenger seat with memory up to Model Year 8 

General 

The position of the driver seat at any given time can be stored and called up again. For vehicles with code (242) Electrically adjustable front passenger seat with memory, this is also available for the front passenger seat.

The position of the steering column and outside mirrors are also stored on the driver side.

Function requirements 

• Circuit 15R ON or the respective front door open (up to 31.5.07)
• Seat adjustment normalized

Save seat position (using driver seat as an example) 

There are two options available for storing data:

• First press and hold the memory switch (S91s9) and then press the corresponding button of memory position 1, 2 or 3 switch (S91s14) for t > 40 ms.
• First press the memory switch for t > 200 ms and then release it again. Then within 3 s press the corresponding button of the memory position 1, 2 or 3 switch.

The buttons and memory button for the driver seat adjustment switch group with memory (S91) are read in discretely by the driver-side front seat adjustment control unit with memory (N32/1). The front seat adjustment control unit saves the current seat position.

Call up seat position (using driver seat as an example) 

Function requirements 

• Voltage not to high or too low

Move to stored positions 

To move to a stored seat position, the corresponding button on the driver seat adjustment switch group has to be pressed and held until the stored seat position is reached. If the switch is released, the adjustment procedure is terminated immediately.

Abort conditions:

Moving to a stored position is interrupted when:

• Undervoltage or overvoltage
• Manual seat adjustment
• Manual mirror adjustment (driver only)
• Manual steering column adjustment (driver only)

Vehicles up to 31.5.06:

When the transmitter key (A8/1) is removed from the EIS (EZS) control unit (N73), the currently set positions of the driver seat, steering column and outside mirrors are saved in a "key-specific" manner.

When the transmitter key (circuit 15C ON) is inserted and the door closed, these positions are then moved to.

This function can be activated or deactivated in the instrument cluster (A1).

	Front seat adjustment motor group with memory, component description	M27/1, M27/2, M27/3, M27/4, M27/5; M28/1, M28/2, M28/3, M28/4, M28/5 (with code (242) Electrically adjustable front passenger seat with memory)	GF91.29-P-5219GZ
	Component description of driver-side front seat adjustment control unit with memory	N32/1 Model 164	GF91.29-P-5223GZ
		Model 251	GF91.29-P-5223RT
	Component description of passenger-side front seat adjustment control unit with memory	N32/2 Model 164 with code (242) Electrically adjustable front passenger seat with memory	GF91.29-P-5224GZ
		Model 251 with code (242) Electrically adjustable front passenger seat with memory	GF91.29-P-5224RT
	Front seat adjustment switch group, component description	S91; S92 (with code (242) Electrically adjustable front passenger seat with memory)	GF91.29-P-5220GZ