Remove/install clock spring contact - AR46.10-P-0200MCU

MODEL 451.3/4 

Fig 1: Identifying Clock Spring Contact Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

	Remove/install
1	Remove airbag unit from steering wheel (1)		AR91.60-P-0660MCU
2	Detach electrical connector (3) at fanfare horns and airbag clock spring contact (A45)	The electrical connector (2) of the driver airbag unit must not be detached at the fanfare horns and airbag clock spring contact (A45) as otherwise the fanfare horns and airbag clock spring contact (A45) will have to be replaced. The wiring harness with the electrical connector (3) must not be detached from the steering wheel (1), as otherwise the steering wheel (1) will have to be replaced.
3	Release latches (arrows) of fanfare horns and airbag clock spring contact (A45) by applying suitable screwdriver to steering wheel (1)
4	Remove fanfare horns and airbag clock spring contact (A45) with mounted wiring harness for driver airbag unit
5	Install in the reverse order