Voice control system (VCS [SBS]) switch, component description - GF82.70-P-4301GZ

MODEL 164, 251 with CODE (813) Voice control system (VCS [SBS]) except CODE (498) Japan version up to Model Year 2008 

Fig 1: Identifying Voice Control System Switch Control Unit

Courtesy of MERCEDES-BENZ USA

Location 

The VCS [SBS] off button is centrally located in the left multifunction steering wheel button group.

The VCS [SBS] on button is centrally located in the right multifunction steering wheel button group.

Task 

The VCS [SBS] off button is used to deactivate the voice control system (VCS [SBS]), code 813.

The VCS [SBS] on button is used to activate the voice control system (VCS [SBS]), code 813.