Remove/install front seat sidebag unit - AR91.60-P-0695MCU

MODEL 451.3/4 

Fig 1: Identifying Front Seat Sidebag Unit Remove/Install Components (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Front Seat Sidebag Unit Remove/Install Components (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Front Seat Sidebag Unit Remove/Install Components (3 Of 3)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  caused by backrest suddenly folding forward if release lever is accidentally operated during inspection and repair work	When working on the seat, be careful not to accidentally release the backrest mechanism allowing the seat to fold forward. Keep body parts clear of the backrest travel area.	AS91.00-Z-0005-01V
	Risk of injury  caused by performing testing or repair work on airbag or emergency tensioning retractor units.	Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply.	AS91.00-Z-0001-01A
	Notes on performing repair, body work and welding on vehicles with airbags and ETR units		AH91.00-P-0002-01SM
	Legal requirements on handling and storing airbags and emergency tensioning retractor units		AH91.00-P-0004-01A
1.1	Remove driver seat	When removing the sidebag unit (11) on the driver seat	AR91.10-P-1010MCU
1.2	Remove passenger seat	When removing the sidebag unit (11) on the front passenger seat	AR91.10-P-1020MCU
2	Expose rear closing strip (2) at the sides (arrows A)
3	Unhook closing strip (2) by turning on rail (3)	Insert closing strip (2) into rail (3) starting from the right. The position of the closing strip (2) to the rail (3) is marked.
4	Route extraction hook (4) behind backrest cover (1) in marked area (arrow B) and insert into side closing strip (5)		Figure
5	Expose the lower section of the side closing strip (5) by pulling extraction hook (4) in direction of arrow		Figure
6	Unhook side closing strip (5) by turning on side rail (6)
7	Route lower section of backrest cover (1) forward between seat cushion and backrest	Ensure that the seat cover is not damaged by the rail (3), as it otherwise must be replaced.
8	Fold up backrest cover (1) in front area	Ensure that the backrest cover (1) is not torn and thus damaged, as it otherwise must be replaced.
9	Fold over backrest
10	Fold over backrest cover (1) in rear area until sidebag unit (11) is accessible
11	Remove cable ties in area of white markings (7)	Fasten cable ties on white markings (7) on sidebag unit wiring harness (8) or seat heater wiring harness. Pay attention to installation position of cable ties.
12	Unscrew nuts (9) of sidebag unit (11)	Replace self-locking nuts (9). Before tightening nuts (9), ensure that electrical connector (10) is positioned in opening of backrest frame, as otherwise sidebag unit (11) or electrical connector (10) may be damaged.
			*BA91.60-P-1007-01C
13	Remove sidebag unit (11) until electrical connector (10) is accessible
14	Release retainer of electrical connector (10)
15	Disconnect electrical connector (10) and remove sidebag unit (11)	If sidebag unit (11) is replaced, the defective sidebag unit (11) must be disposed of properly. Refer to: ↓
		Notes on disposing of airbag and emergency tensioning retractor units	OS91.00-P-0001-01A
16	Install in the reverse order
17	Check supplemental restraint system using STAR DIAGNOSIS	When replacing sidebag unit (11).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04MCC

AIRBAG

Number	Designation		Model 451.3	Model 451.4
BA91.60-P-1007-01C	Nut, sidebag to backrest	Nm	10	10

Fig 4: Identifying Assembly Tool Set (450 589 07 99 00)

Courtesy of MERCEDES-BENZ USA