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How to Reset the Mercedes S-Class Air Conditioner

Model: Mercedes Classe S MK 4, W220 - Years 1999-2005
Part: Warning light – error code

Briefly follow these instructions to reset the air conditioner of the Mercedes S-Class by following these simple steps. First, get in the vehicle and start turning on the ignition; then press and hold the reset button and the air conditioning button for a few seconds, as shown in the video. Now press the "auto" button to clear any errors that appear on the small air conditioning display; this way, you will reset the entire system, following the video tutorial to the end!

Updated on 9 September 2026 by ScegliAuto

Video tutorial

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