Stepper Motor Installation Details (M2/5) damper actuator for switching air circulation modes
1. On models of the corresponding configuration (code ET2) activate the service mode of the TELE AID emergency call system (see Section Activation / deactivation of the service mode of the TELE AID emergency call system).
2. Disconnect the negative cable from the battery.
3. Remove the glove box (see chapter Body).
4. Remove the three fixing screws (1) (TORX sockets), disconnect the connector (3) electrical wiring and remove the electric motor (M2/5) damper actuator for switching circulation modes from the evaporator casing.
5. Installation is carried out in the reverse order. On models of the corresponding configuration, do not forget to deactivate the service mode of the TELE AID system (see Section Activation / deactivation of the service mode of the TELE AID emergency call system).
6. In conclusion, the electric motor should be normalized (M2/6) left mixing flap using the STAR DIAGNOSIS reader, - contact a Mercedes-Benz workshop for assistance.
7. Do not forget to also clear the OBD processor memory (see chapter Engine Electrical Systems).
8. Make sure that the K / V system is working properly.