Remove/install front seat backrest cover - AR91.18-P-1820NKC

Model 117, 156, 176, 205.0/2 with code 555 (AMG Performance seats) 

Model 253 with code 555 (AMG Performance seats) 

Fig 1: Identifying Front Seat Backrest Cover Remove/Install Components (1 Of 5)

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Fig 2: Identifying Front Seat Backrest Cover Remove/Install Components (2 Of 5)

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Fig 3: Identifying Front Seat Backrest Cover Remove/Install Components (3 Of 5)

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Fig 4: Identifying Front Seat Backrest Cover Remove/Install Components (4 Of 5)

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Fig 5: Identifying Front Seat Backrest Cover Remove/Install Components (5 Of 5)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove front seat	Model 205.0/2 with code 555 (AMG Performance seats) Model 253 with code 555 (AMG Performance seats)	AR91.10-P-1000LW
		Model 117, 156, 176 with code 555 (AMG Performance seats)	AR91.10-P-1000NKA
2	Remove cover frame (1) from integrated head restraint		AR91.16-P-0300NKB
3	On paneling (2), unclip guide lugs (8) towards rear (arrow A), unclip guide lugs (9) towards side (arrow B) and remove paneling (2)	Mounting wedge	Figure
4	On paneling (3) unclip guide lugs (8) towards rear (arrow A), unclip guide lugs (9) towards side (arrow B) and remove paneling (3)	Mounting wedge	Figure
5	Remove screws/bolts (10) and remove cover (4) from front seat sidebag unit	Bolt, cover for sidebag to backrest frame	*BA91.10-P-1002-02A
6	Remove paneling (5, 6) from front seat frame	Model 205.0/2 with code 555 (AMG Performance seats) Model 253 with code 555 (AMG Performance seats)	AR91.10-P-1200LW
		Model 117, 156, 176 with code 555 (AMG Performance seats)	AR91.10-P-1200NKB
7	Unclip retaining clips (14) and release check straps (11) at back shell (13)
8	Detach seat cover (7) from bottom of back shell (13) and fold over (arrows C)	Mounting wedge	Figure
9	Detach seat cover (7) from backrest all-around (arrows D) using assembly wedge (12) and fold over
10	Detach padding (16) from backrest all-around using assembly wedge (12)	Attach padding (16) to backrest all-round with standard upholstery adhesive.
		Mounting wedge	Figure
11	Disconnect electrical connector (15)	Model 117, 156, 176, 205.0/2 with code 555 (AMG Performance seats) with code 873 (Seat heating for driver and front passenger) Model 253 with code 555 (AMG Performance seats) with code 873 (Seat heating for driver and front passenger)
12	Remove padding (16) with seat cover (7)
13	Fold over seat cover (7) at padding (16) and separate staple hooks (17)
14	Remove seat cover (7) from padding (16)
15	Modify AMG badge (19)	When replacing the seat cover (7).
16	Install in the reverse order

Fig 6: Identifying Mounting Wedge (110 589 03 59 00)

Courtesy of MERCEDES-BENZ USA