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How to Reset the Mercedes C-Class Air Conditioner

Model: Mercedes Classe C W203 - Years 2000-2007
Part: Warning light – error code

Briefly follow these instructions to reset the air conditioner of the Mercedes C-Class by following these simple and quick steps. First, get in the vehicle and turn on the ignition; then press and hold the two indicated buttons for a few seconds, as well as the recirculation button and the defrost button, as shown in the video. At this point, you will see the warning lights flashing, indicating that the air conditioning reset is in progress; finally, turn off the ignition and start the engine!

Updated on 9 September 2026 by ScegliAuto

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