Remove/Install Front Seat Belt - AR91.40-P-1010MFA

Model 118, 177, 243, 247

MODIFICATION NOTES

10.03.2021

New operation step added.

Operation step 10

Shown on model 177.0

Courtesy of MERCEDES-BENZ USA

	Risk of injury during testing and repair operations related to pyrotechnical components	Do not expose pyrotechnical component parts to temperatures above 100°C or 212°F. Disconnect current supply when working on such component parts.	AS91.00-Z-0008-01A
	Risk of injury . Injury may result when the tension in the spring in the automatic belt retractor is released.	Never disassemble automatic belt retractors.	AS91.00-Z-0002-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Information, assessment and legal requirements when working with, handling and storing pyrotechnical components		AH91.00-Z-0000-10A
	Remove/install
1	Move front seat all the way forward and upward.
2	Clamp off ground line of on-board electrical system battery (G1).		AR54.10-P-0003MFA
3	Remove B-pillar trim.		AR68.30-P-4705MFA
4	Remove screw from deflection to B-pillar.	Bolt, front belt guide bracket	*BA91.40-P-1002-01X
5	Release and disconnect electrical connectors (3, 4, 5).	The number of electrical connectors (3, 4, 5) varies depending on the vehicle equipment involved.
		Removal lever	Fig 1
6	Remove screw (6).	Model 118, 177, 243, 247 with code 299 (PRE-SAFE®)
		Bolt, front seat belt retractor	*BA91.40-P-1001-01X
7	Remove screw (7).	Bolt, front seat belt retractor	*BA91.40-P-1001-01X
8	Remove left front reversible belt tensioner (A76) or right front reversible belt tensioner (A76/1).	: Make sure that the catch hooks (8) engage correctly.
9	Install in the reverse order.
	Finishing activity
10	Connect diagnostic system, read out fault memory and clear if necessary.
			AD00.00-P-2000-06MFA

SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number	Designation		Model 118	Model 177
BA91.40-P-1001-01X	Bolt, front seat belt retractor	Nm	35	35

SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number	Designation		Model 243	Model 247
BA91.40-P-1001-01X	Bolt, front seat belt retractor	Nm	35	35

SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number	Designation		Model 118	Model 177
BA91.40-P-1002-01X	Bolt, front belt guide bracket	Nm	35	35

SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number	Designation		Model 243	Model 247
BA91.40-P-1002-01X	Bolt, front belt guide bracket	Nm	35	35

Fig 1: Identifying Removal Lever (203 589 04 33 00)

Courtesy of MERCEDES-BENZ USA