C 240 4MATIC Wagon (203.281) V6-2.6L (112.916) (2003)
Control Assembly: Locations
Stationary Heater Switch
Stationary Heater Switch
Location Of STH Switch (N72s12) In Models 203, 209, 230
The STH switch (N72s12) is located in the cover on the right next to the shift lever.