Contents: Removal ↡ Installation ↡
Removal
1. Remove the heater control unit.
2. Remove the regulator mounting bracket from the console.
3. Remove the trim panel under the steering column.
4. Under the instrument panel, remove the control cable from the lever at the base of the heater and remove the cable from the mounting brackets.
(Material borrowed from an online resource: «mercedesman»)
5. Move the air flow control to the right, remove the control unit and disconnect the electrical connector from the back of the control unit.
6. Remove the switch from the console by routing the control cable through the heater unit.
Installation
1. Installation is carried out in the reverse order of removal.