190E 2.3 (201.028) L4-2.3L (102.985) (1987)
Air Door Position Sensor / Switch: Testing and Inspection
Feedback Potentiometer, Blend Air Flap
1.
Remove the instrument panel. Refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES
Connector Location
2.
Disconnect the 3-pin plug connection (arrow).
Potentiometer Removal
3a. On vehicles with 1st. version potentiometers, unscrew the three screws and pull the potentiometer (4) from lever (a) of the blend air flaps.