Remove/install wiring harness on steering wheel - AR46.10-P-0150MCC

MODEL 451.3/4 

Shown on the steering wheel with code (I75) Leather sport steering wheel with steering wheel rocker switch system 

Fig 1: Identifying Wiring Harness On Steering Wheel Remove/Install Components - Shown On Steering Wheel With Code (I75)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove airbag unit from steering wheel (1)		AR91.60-P-0660MCC
2	Detach electrical connector (6) at fanfare horns and airbag clock spring contact	The electrical connector (arrow C) of the driver airbag unit must not be disconnected, otherwise the fanfare horns and airbag clock spring contact has to be renewed.
3	Release the catch on the plug (5) and detach the plug (5) and the ground line (4) from the steering wheel (1)	After disconnecting the plug (5) from the steering wheel (1), the wiring harness (3) gas to be replaced. For vehicles as of 31.8.10, the connector (5) must not be detached from the steering wheel (1). The new steering wheel (1) is delivered with the corresponding wiring harness and a connector (5) already fitted.
4	Route plug for steering wheel rocker switch system (2) through the opening on the steering wheel (1)	For vehicles with code (I75) Leather sport steering wheel with steering wheel rocker switch system
5	Release wiring harness (3) from holders (arrows A) on steering wheel (1)	For vehicles with code (I75) Leather sport steering wheel with steering wheel rocker switch system
6	Release and remove wiring harness (3) from holders (arrows B) on steering wheel (1)	Observe installation position of wiring harness (3). : Renew wiring harness (3).
7	Install in the reverse order