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How to Reset the Air Conditioning on the Mercedes S-Class

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

If you are experiencing malfunctions with the air conditioning system in your vehicle, you will find the instructions and information on how to proceed in the description provided below and in the video. After accessing the cabin and turning on the ignition, locate the reset controls and the button located at the bottom left of the center console. Then press both buttons simultaneously and hold them down; this will initiate the reset procedure. Next, press the auto button and allow the system to complete the procedure, and the job will be done.

Updated on 30 May 2026 by ScegliAuto

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