Remove/install airbag unit on the steering wheel - AR91.60-P-0660Q

MODEL 209 

Fig 1: Identifying Airbag Unit On Steering Wheel Components

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

3.3.04

Disconnect/connect ground line on battery

	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
	Notes on performing repair, body work and welding on vehicles with airbags and ETR units		AH91.00-P-0002-01M
	Assessment of airbag and belt tensioner units in accident vehicles		AH91.00-P-0006-01B
	Legal regulations on handling and storing airbags and emergency tensioning retractors		AH91.00-P-0004-01A
1	Switch off ignition, detach transmitter key from electronic ignition switch control unit	On vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until ignition is switched off. Remove transmitter key from vehicle and store it at a location beyond its transmission range (minimum distance 2 m).
2	Remove bolts (1)		*BA91.60-P-1001-01A
			Fig 2
3	Lift driver airbag unit (2) and release electrical connectors at driver airbag ignition squib 1 (R12/13) and driver airbag ignition squib 2 (R12/14)	Electrical connectors of driver airbag ignition squib 1 (R12/13) and of driver airbag ignition squib 2 (R12/14) are color coded.
			Fig 3
4	Disconnect multifunction steering wheel electrical connector (3)
5	Remove driver airbag unit (2)	If the driver airbag unit (2) is replaced, it must be disposed of correctly. Refer to: ↓ Make airbag units unusable (not )	AR91.60-P-0611A
		Notes on disposing of airbag and emergency tensioning retractor units	OS91.00-P-0001-01A
6	Install in the reverse order
7	Connect STAR DIAGNOSIS, read out and erase fault memory
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS system	*WH58.30-Z-1048-13A

AIRBAG

Number	Designation		Model 209
BA91.60-P-1001-01A	Bolt, airbag to steering wheel	Nm	8

Fig 2: Identifying Screwdriver Bit (126 589 00 10 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Removal Lever (203 589 04 33 00)

Courtesy of MERCEDES-BENZ USA

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS system, Compact Passenger Car	6511 1801 00