Remove/install heated cushion at front seat backrest - AR91.30-P-0006MCU

MODEL 451.3/4 with CODE (S17) Seat heaters (FFO) 

Fig 1: Identifying Heated Cushion At Front Seat Backrest Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Removing
1	Remove foam section (1) from front seat backrest	The foam section (1) and the left seat heated cushion (R13/1) or the right seat heated cushion (R13/3) cannot be reused and must be replaced.	AR91.10-P-1120MCU
	Install
2	Align left seat heated cushion (R13/1) or right seat heated cushion (R13/3), as illustrated, on foam section (1)	The cutouts (arrows B) on the left heated seat cushion (R13/1) or right heated seat cushion (R13/3) must be over the attachment points (arrows A) of the backrest cover.
3	Pull off adhesive strips (2) one by one and glue left seat heated cushion (R13/1) or right seat heated cushion (R13/3) to foam section (1) starting from above	If the left seat heated cushion (R13/1) or right seat heated cushion (R13/3) is not fully inserted into the recesses, this can lead to the proper assembly of the backrest cover no longer being possible. The left seat heated cushion (R13/1) or right seat heated cushion (R13/3) must be inserted into recesses of foam section (1) in area of fastening points (arrows A).
4	Install foam section (1) of front seat backrest		AR91.10-P-1120MCU