Remove/install voice control system (VCS [SBS]) switch - AR82.70-P-0002T

MODEL 211.0 /2 as of 3.3.08 with CODE (511) Audio 50 APS with DVD changer with CODE (527) COMAND APS with single DVD drive (with navigation) with CODE (512) COMAND APS with DVD changer 

MODEL 211.0 /2 with CODE (809) Model year 2009 with CODE (511) Audio 50 APS with DVD changer with CODE (527) COMAND APS with single DVD drive (with navigation) with CODE (512) COMAND APS with DVD changer 

Fig 1: Identifying VCS Switch Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1	Remove steering angle sensor		AR46.10-P-0300TA
2	Remove steering column adjustment/steering wheel heater switch	In vehicles with code (275) Memory package (driver seat, steering column, mirror).	AR46.11-P-0004T
3	Remove combination switch (S4) from carrier plate (1) of CC [TPM] push button (S40/4) with integrated VCS [SBS] switch (S93/2)		AR54.25-P-2800TA
4	Install in the reverse order
5	Perform function check of CC [TPM] push button (S40/4) and VCS [SBS] switch (S93/2)