C 280 (202.029) V6-2.8L (112.920) (1999)
Power Window Switch: Locations
Door Power Window Sw., LR - S21/3
In left rear door
Door Power Window Sw., RR - S21/4
In right rear door
Power Window Safety Switch, Rear - N72S5
Center console, lower control panel
Power Window Switch, Left Front - N72S1