Remove/install backrest motor for front seat - AR91.29-P-1431SC

MODEL 216.3

Backrest angle adjustment motor

Shown on right front seat

Fig 1: Identifying Front Seat Backrest Motor Remove/Install Components

G07544546

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove seat-back lining from front seat backrest		AR91.10-P-1910SC
2	Removing front seat backrest upholstery		AR91.10-P-1090SC
3	Detach clamping plate (1) from axle (2)	Installation: Replace clamping plate (1).
4	Remove cable tie (3)
5	Disconnect electrical connector (4)	Release electrical connector (4) carefully, risk of breakage to electrical connector plug (4). The plug is not available as a replacement part.
6	Detach left front backrest angle adjustment motor (M27/5) or right front backrest angle adjustment motor (M28/5) from the shaft (6) and axle (2)	Observe bearing bushing (5). Installation: Use suitable pair of pliers (7) to turn shaft (6) far enough until the left front backrest angle adjustment motor (M27/5) or the right front backrest angle adjustment motor (M28/5) can be slipped onto the axle (2). When doing so, protect the shaft (6) against damage using a rag (8).
7	Install in the reverse order
8	Normalize front seat
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A