ML 320 (163.154) V6-3.2L (112.942) (1998)
Lock Cylinder Switch: Description and Operation
GF82.20-P-4105-02GH Rotary Tumbler Microswitches, Function
The contact in the left rear rotary tumbler microswitch (S87/2), the right rear rotary tumbler microswitch (S87/3), the right front door rotary tumbler
microswitch (S87/6), the left front door rotary tumbler microswitch (S87/7) or the rear door rotary tumbler microswitch (S88/1) is closed when the
respective door is closed (rotary tumbler snapped in place). The status of the switch contact is read by the All Activity Module (AAM) (N10).
The central locking microswitches, which are also installed in the rotary tumbler, indicate whether a door is locked or unlocked. These microswitches are
no longer used as of 31.08.02.