Remove/Install Seat Belt With Emergency Tensioning Retractor - AR91.40-P-0630GW

Model 463 (except 463.202) 

as of model year 2013 up to model year 2019 

/FACELIFT 2012 

Fig 1: Seat Belt With Emergency Tensioning Retractor Components Location - Model 463 (Except 463.202) As Of Model Year 2013 Up To Model Year 2019 /Facelift 2012

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	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
	Legal requirements on handling and storing airbags and emergency tensioning retractor units		AH91.00-P-0004-01A
	Assessment of airbag and belt tensioner units in accident vehicles		AH91.00-P-0006-01B
1	Detach ground line from battery	Model 463 (except 463.202/234/236/241/242/248) as of model year 2013 up to model year 2019	AR54.10-P-0003GW
	Notes on battery		AH54.10-P-0001-01A
2	Check seat belts and buckles for external damage and correct operation
		Model 463 (except 463.202) as of model year 2013 up to model year 2019	AP91.40-P-9150GI
3	Remove paneling on B-pillar	Model 463 (except 463.202) as of model year 2013 up to model year 2019	AR68.30-P-4700GW
4	Remove nut (1) of front seat belt guide bracket	Bolt/nut on front seat belt guide bracket	*BA91.40-P-1002-01C
5	Remove bolt (2) of front automatic belt retractor (3)	Bolt on front seat belt retractor	*BA91.40-P-1004-01C
6	Disconnect electrical connector from driver seat belt tensioner squib (R12/1) or front passenger seat belt tensioner squib (R12/2) Notes on performing repair, body work and welding on vehicles with airbags and RTE units		AH91.00-P-0002-01M
7	Remove seat belt retractors (3)	Never use oil or grease to eliminate noises. Otherwise, the function may be impaired. Warranty no longer applies to automatic belt retractors (3) that have been opened. It is perfectly normal for the inertia reel to make a noise when rolling up the seat belt strap. In the case of a complaint, unacceptable noises can only be rectified by replacing the seat belt. If the seat belt with seat belt tensioner is replaced, the defective seat belt with seat belt tensioner must be disposed of properly. Note if inertia reel is for left or right version.
8	Install in the reverse order