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Reset and Calibration of the Mercedes S-Class Air Conditioner

Model: Mercedes Classe S MK 4, W220 - Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Warning light – error code

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Video tutorial

Follow these brief instructions to reset and calibrate the automatic air conditioner of the Mercedes S-Class in simple steps. First, get in the vehicle and turn on the instrument cluster, then the air conditioner.

Next, press and hold the "rest" button and the air flow direction button located at the bottom left, as shown in the video. At this point, wait for the air conditioner test and recalibration to complete, then check the proper functioning.


Updated on 19 October 2026 by ScegliAuto


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by ScegliAuto

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