Remove/Install Button Groups On Multifunction Steering Wheel - AR82.90-S-0014EH

Model 447, 448 With Code XM7 (MOPF II) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Notice	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment	Model 447 with engine 780	AH00.00-Z-0300-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove driver's airbag (2).		AR91.60-S-0663E
2	Remove electric line (5) at mounting plate (7).	To do so, remove cable lug (6).
3	Remove mounting plate (7).	To do so, remove screws (8). Bolt, mounting plate to steering wheel	*BA46.10-Z-1002-05KOM
4	Remove electrical wiring harness (10) at trim (4).	To do so, unhook electrical wiring harness (10) (arrows A).
5	Remove trim (4).	To do so, remove screws (9) and pull trim (4) forward until electrical connectors (11) are accessible.
6	Remove button groups (1) with trim (4).	To do so, release and disconnect electrical connectors (11).
7	Transfer button groups (1).	When replacing button groups (1). To do so, remove screws (12).
8	Install in the reverse order.
	Check
9	Perform function test of button groups (1).

STEERING WHEEL, STEERING COLUMN TUBE, STEERING SHAFT

Number	Designation		Model 447, 448
BA46.10-Z-1002-05KOM	Bolt, mounting plate to steering wheel	Nm	7